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31,926 | åŒãšèšç® | æååŒã®åé¡ æ¬¡æ°
åé¡é
åŒã®å æž åé
æ³å è€éãªåŒã®å æž
åé
åŒã®ä¹æ³ åé
åŒã®é€æ³ ææ°æ³å ä¹é€æ··åèšç®
代å
¥ãšåŒã®å€ äœç©,衚é¢ç©ã®å€å
é£ç¶ããæ°ã«ã€ããŠã®èª¬æ 2ãã以äžã®æŽæ°ã«ã€ããŠã®èª¬æ åæ°ã«ã€ããŠã®èª¬æ
åºæ¬åé¡ å¿çšåé¡ çºå±åé¡ | [
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åŒã®å æž åé
æ³å è€éãªåŒã®å æž",
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åŒã®ä¹æ³ åé
åŒã®é€æ³ ææ°æ³å ä¹é€æ··åèšç®",
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¥ãšåŒã®å€ äœç©,衚é¢ç©ã®å€å",
"title": "åŒãšèšç®"
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"title": "åŒãšèšç®"
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"text": "é£ç¶ããæ°ã«ã€ããŠã®èª¬æ 2ãã以äžã®æŽæ°ã«ã€ããŠã®èª¬æ åæ°ã«ã€ããŠã®èª¬æ",
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"title": "åŒãšèšç®"
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| null | == åŒãšèšç® ==
=== ïŒãæååŒã®ããã¿ ===
æååŒã®åé¡<br>
次æ°<br>
=== ïŒãåŒã®å æž ===
åé¡é
<br>
åŒã®å æž<br>
åé
æ³å<br>
è€éãªåŒã®å æž<br>
=== ïŒãåé
åŒã®ä¹é€ ===
åé
åŒã®ä¹æ³<br>
åé
åŒã®é€æ³<br>
ææ°æ³å<br>
ä¹é€æ··åèšç®<br>
=== ïŒãæååŒã®å©çšâ
===
代å
¥ãšåŒã®å€<br>
äœç©ïŒè¡šé¢ç©ã®å€å<br>
=== ïŒãæååŒã®å©çšâ
¡ ===
é£ç¶ããæ°ã«ã€ããŠã®èª¬æ<br>
ïŒãã以äžã®æŽæ°ã«ã€ããŠã®èª¬æ<br>
åæ°ã«ã€ããŠã®èª¬æ<br>
=== ïŒãç·åæŒç¿ ===
åºæ¬åé¡<br>
å¿çšåé¡<br>
çºå±åé¡
[[ã«ããŽãª:äžåŠæ ¡æ°åŠ]] | null | 2022-11-27T17:36:06Z | []
| https://ja.wikibooks.org/wiki/%E5%BC%8F%E3%81%A8%E8%A8%88%E7%AE%97 |
31,943 | æ
å ±å¹ŸäœåŠ | æ
å ±å¹ŸäœåŠã¯çµ±èšã¢ãã«ã埮å幟äœåŠã®ææ³ãçšããŠç ç©¶ããåéã§ãããç矩ã«ã¯å察ã¢ãã£ã³æ¥ç¶ã®åŸ®å幟äœåŠãæããŸãããã®ããŒãžã®ç«å ŽãšããŠã¯ãçŽç²ãªåŸ®å幟äœåŠã®äžåéãšããŠèšè¿°ããäžã§ããã®å¿çšãšããŠçµ±èšçæšè«ã玹ä»ããŸãããŸããæ°åŠçãªæ¡ä»¶èšå®ã¯å¯èœãªéãçŸä»£çã§æœè±¡çãªãã®ãæ¡çšããããšã«ããçè«äœç³»ã®æ çµã¿ãä»åŸã®äžè¬åã«å¯ŸããèŠéããç«ã¡ããããªãããã«åªããããšã«ããŸãããããããåã¿ç ããããããªåãããããã¯èŠåãããã«ããã§ãããããçŸåšæµéããŠããã»ãŒå
šãŠã®æ
å ±å¹ŸäœåŠã®ããã¹ãã¯åã¿ç ããŠèª¬æãããŠããã®ã§ããã®ããŒãžã¯éã«æ°åŠçãªæ§é ãæç¢ºã«ããããšãç®æšã«ããŸãã | [
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å ±å¹ŸäœåŠã¯çµ±èšã¢ãã«ã埮å幟äœåŠã®ææ³ãçšããŠç ç©¶ããåéã§ãããç矩ã«ã¯å察ã¢ãã£ã³æ¥ç¶ã®åŸ®å幟äœåŠãæããŸãããã®ããŒãžã®ç«å ŽãšããŠã¯ãçŽç²ãªåŸ®å幟äœåŠã®äžåéãšããŠèšè¿°ããäžã§ããã®å¿çšãšããŠçµ±èšçæšè«ã玹ä»ããŸãããŸããæ°åŠçãªæ¡ä»¶èšå®ã¯å¯èœãªéãçŸä»£çã§æœè±¡çãªãã®ãæ¡çšããããšã«ããçè«äœç³»ã®æ çµã¿ãä»åŸã®äžè¬åã«å¯ŸããèŠéããç«ã¡ããããªãããã«åªããããšã«ããŸãããããããåã¿ç ããããããªåãããããã¯èŠåãããã«ããã§ãããããçŸåšæµéããŠããã»ãŒå
šãŠã®æ
å ±å¹ŸäœåŠã®ããã¹ãã¯åã¿ç ããŠèª¬æãããŠããã®ã§ããã®ããŒãžã¯éã«æ°åŠçãªæ§é ãæç¢ºã«ããããšãç®æšã«ããŸãã",
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å ±å¹ŸäœåŠã¯çµ±èšã¢ãã«ã埮å幟äœåŠã®ææ³ãçšããŠç ç©¶ããåéã§ãããç矩ã«ã¯å察ã¢ãã£ã³æ¥ç¶ã®åŸ®å幟äœåŠãæããŸãããã®ããŒãžã®ç«å ŽãšããŠã¯ãçŽç²ãªåŸ®å幟äœåŠã®äžåéãšããŠèšè¿°ããäžã§ããã®å¿çšãšããŠçµ±èšçæšè«ã玹ä»ããŸãããŸããæ°åŠçãªæ¡ä»¶èšå®ã¯å¯èœãªéãçŸä»£çã§æœè±¡çãªãã®ãæ¡çšããããšã«ããçè«äœç³»ã®æ çµã¿ãä»åŸã®äžè¬åã«å¯ŸããèŠéããç«ã¡ããããªãããã«åªããããšã«ããŸãããããããåã¿ç ããããããªåãããããã¯èŠåãããã«ããã§ãããããçŸåšæµéããŠããã»ãŒå
šãŠã®æ
å ±å¹ŸäœåŠã®ããã¹ãã¯åã¿ç ããŠèª¬æãããŠããã®ã§ããã®ããŒãžã¯éã«æ°åŠçãªæ§é ãæç¢ºã«ããããšãç®æšã«ããŸãã æ°åŠçæºå
å察平åŠç©ºé
æééåäžã®ç¢ºçååžç©ºé
çµ±èšçæšè«
éåæ
å ±å¹Ÿäœ | {{Pathnav|æ°åŠ|幟äœåŠ|frame=1}}
{{Wikipedia|æ
å ±å¹ŸäœåŠ}}
<div style="text-align:center; margin-top:2em;">ãŠã£ãããã¯ã¹ãžãããã
<div style="font-size:4em;margin:.5em">'''æ
å ±å¹ŸäœåŠ'''</div>
</div>
æ
å ±å¹ŸäœåŠã¯çµ±èšã¢ãã«ã埮å幟äœåŠã®ææ³ãçšããŠç ç©¶ããåéã§ãããç矩ã«ã¯å察ã¢ãã£ã³æ¥ç¶ã®åŸ®å幟äœåŠãæããŸãããã®ããŒãžã®ç«å ŽãšããŠã¯ãçŽç²ãªåŸ®å幟äœåŠã®äžåéãšããŠèšè¿°ããäžã§ããã®å¿çšãšããŠçµ±èšçæšè«ã玹ä»ããŸãããŸããæ°åŠçãªæ¡ä»¶èšå®ã¯å¯èœãªéãçŸä»£çã§æœè±¡çãªãã®ãæ¡çšããããšã«ããçè«äœç³»ã®æ çµã¿ãä»åŸã®äžè¬åã«å¯ŸããèŠéããç«ã¡ããããªãããã«åªããããšã«ããŸãããããããåã¿ç ããããããªåãããããã¯èŠåãããã«ããã§ãããããçŸåšæµéããŠããã»ãŒå
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å ±å¹ŸäœåŠã®ããã¹ãã¯åã¿ç ããŠèª¬æãããŠããã®ã§ããã®ããŒãžã¯éã«æ°åŠçãªæ§é ãæç¢ºã«ããããšãç®æšã«ããŸãã
# [[/æ°åŠçæºå|æ°åŠçæºå]]
# [[/å察平åŠç©ºé|å察平åŠç©ºé]]
# [[/æééåäžã®ç¢ºçååžç©ºé|æééåäžã®ç¢ºçååžç©ºé]]
# [[/çµ±èšçæšè«|çµ±èšçæšè«]]
# [[/éåæ
å ±å¹Ÿäœ|éåæ
å ±å¹Ÿäœ]]
[[ã«ããŽãª:幟äœåŠ]] | null | 2022-11-20T07:21:05Z | [
"ãã³ãã¬ãŒã:Pathnav",
"ãã³ãã¬ãŒã:Wikipedia"
]
| https://ja.wikibooks.org/wiki/%E6%83%85%E5%A0%B1%E5%B9%BE%E4%BD%95%E5%AD%A6 |
31,944 | æ
å ±å¹ŸäœåŠ/æ°åŠçæºå | å®çŸ©1.1 éå X {\displaystyle X} ãš X {\displaystyle X} ã®éšåéåæ O {\displaystyle {\mathcal {O}}} ã®çµ ( X , O ) {\displaystyle (X,{\mathcal {O}})} ãäœçžç©ºéã§ãããšã¯, 次ã®2æ¡ä»¶ãæºããããããšããã:
X {\displaystyle X} ãå°éå, O {\displaystyle {\mathcal {O}}} ãäœçžæ§é ãããã¯åã«äœçžãšãã.
泚æ1.2 èª€è§£ã®æãã®ãªããšãã«ã¯, äœçžç©ºéãå°éåãšåã X {\displaystyle X} ãšããèšå·ã§è¡šãããšãå€ã. ããã, å°éå X {\displaystyle X} ãå®ãããããšãã£ãŠäœçžç©ºéãäžæã«æ±ºãŸãããã§ã¯ãªã.
å®çŸ©1.3 äœçžç©ºé X {\displaystyle X} ãäœçžå€æ§äœã§ãããšã¯, 次ã®3æ¡ä»¶ãæºããããããšããã:
çµ ( U , Ï ) {\displaystyle (U,\psi )} ã x {\displaystyle x} ã®åº§æšè¿åãšãã.
äºå®1.4 n â m {\displaystyle n\neq m} ãªãã° R n {\displaystyle \mathbf {R} ^{n}} ã®ç©ºã§ãªãééåãš R m {\displaystyle \mathbf {R} ^{m}} ã®ç©ºã§ãªãééåã¯åçžã§ãªã.
泚æ1.5 ããã¯ãã¢ããžãŒè«ã®åæ©çã ãéèŠãªçµæã§ãã.
å®çŸ©1.6 äœçžå€æ§äœ X {\displaystyle X} ã®åç¹ x {\displaystyle x} ã«å¯Ÿå¿ããèªç¶æ° n {\displaystyle n} ã¯äžæã«å®ãŸã, ããã dim x X {\displaystyle \dim _{x}X} ãšè¡šã, ããã x {\displaystyle x} ã«ãããäžå®ã§ããããšã X {\displaystyle X} ãçŽæ¬¡å
äœçžå€æ§äœã§ãããšãã. ä»»æã®ç¹ x {\displaystyle x} ã«å¯Ÿã㊠dim x X = n {\displaystyle \dim _{x}X=n} ã§ããã°ç¹ã« X {\displaystyle X} ã n {\displaystyle n} 次å
äœçžå€æ§äœãšãã.
泚æ1.7 ãã®ãçŽæ¬¡å
ããšããèªã¯ pure dimension ã equidimension ã®èš³èªã§ããã¹ããŒã è«ã§ããçšãããã.
å®çŸ©1.8 äœçžå€æ§äœ X {\displaystyle X} ã®ééå U {\displaystyle U} äžã®é¢æ°ãããªãéå A ( U ) {\displaystyle {\mathcal {A}}(U)} ãå®ããå¯Ÿå¿ A {\displaystyle {\mathcal {A}}} ã X {\displaystyle X} äžã® C r {\displaystyle C^{r}} çŽåŸ®åæ§é ã§ãããšã¯, 次ã®3æ¡ä»¶ãæºããããããšããã:
çµ ( X , A ) {\displaystyle (X,{\mathcal {A}})} ã C r {\displaystyle C^{r}} çŽå€æ§äœãšãã.
泚æ1.9 èª€è§£ã®æãã®ãªããšãã«ã¯, C â {\displaystyle C^{\infty }} çŽå€æ§äœ(resp. åŸ®åæ§é )ã®ããšãåã«å€æ§äœ(resp. åŸ®åæ§é )ãšãã, 倿§äœãäœçžå€æ§äœãšåã X {\displaystyle X} ãšããèšå·ã§è¡šãããšãå€ã. ããã, äœçžç©ºé X {\displaystyle X} ãå®ãããããšãã£ãŠå€æ§äœãäžæã«æ±ºãŸãããã§ã¯ãªãããšã«æ³šæãã. | [
{
"paragraph_id": 0,
"tag": "p",
"text": "å®çŸ©1.1 éå X {\\displaystyle X} ãš X {\\displaystyle X} ã®éšåéåæ O {\\displaystyle {\\mathcal {O}}} ã®çµ ( X , O ) {\\displaystyle (X,{\\mathcal {O}})} ãäœçžç©ºéã§ãããšã¯, 次ã®2æ¡ä»¶ãæºããããããšããã:",
"title": "倿§äœ"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "X {\\displaystyle X} ãå°éå, O {\\displaystyle {\\mathcal {O}}} ãäœçžæ§é ãããã¯åã«äœçžãšãã.",
"title": "倿§äœ"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "泚æ1.2 èª€è§£ã®æãã®ãªããšãã«ã¯, äœçžç©ºéãå°éåãšåã X {\\displaystyle X} ãšããèšå·ã§è¡šãããšãå€ã. ããã, å°éå X {\\displaystyle X} ãå®ãããããšãã£ãŠäœçžç©ºéãäžæã«æ±ºãŸãããã§ã¯ãªã.",
"title": "倿§äœ"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "å®çŸ©1.3 äœçžç©ºé X {\\displaystyle X} ãäœçžå€æ§äœã§ãããšã¯, 次ã®3æ¡ä»¶ãæºããããããšããã:",
"title": "倿§äœ"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "çµ ( U , Ï ) {\\displaystyle (U,\\psi )} ã x {\\displaystyle x} ã®åº§æšè¿åãšãã.",
"title": "倿§äœ"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "äºå®1.4 n â m {\\displaystyle n\\neq m} ãªãã° R n {\\displaystyle \\mathbf {R} ^{n}} ã®ç©ºã§ãªãééåãš R m {\\displaystyle \\mathbf {R} ^{m}} ã®ç©ºã§ãªãééåã¯åçžã§ãªã.",
"title": "倿§äœ"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "泚æ1.5 ããã¯ãã¢ããžãŒè«ã®åæ©çã ãéèŠãªçµæã§ãã.",
"title": "倿§äœ"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "å®çŸ©1.6 äœçžå€æ§äœ X {\\displaystyle X} ã®åç¹ x {\\displaystyle x} ã«å¯Ÿå¿ããèªç¶æ° n {\\displaystyle n} ã¯äžæã«å®ãŸã, ããã dim x X {\\displaystyle \\dim _{x}X} ãšè¡šã, ããã x {\\displaystyle x} ã«ãããäžå®ã§ããããšã X {\\displaystyle X} ãçŽæ¬¡å
äœçžå€æ§äœã§ãããšãã. ä»»æã®ç¹ x {\\displaystyle x} ã«å¯Ÿã㊠dim x X = n {\\displaystyle \\dim _{x}X=n} ã§ããã°ç¹ã« X {\\displaystyle X} ã n {\\displaystyle n} 次å
äœçžå€æ§äœãšãã.",
"title": "倿§äœ"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "泚æ1.7 ãã®ãçŽæ¬¡å
ããšããèªã¯ pure dimension ã equidimension ã®èš³èªã§ããã¹ããŒã è«ã§ããçšãããã.",
"title": "倿§äœ"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "å®çŸ©1.8 äœçžå€æ§äœ X {\\displaystyle X} ã®ééå U {\\displaystyle U} äžã®é¢æ°ãããªãéå A ( U ) {\\displaystyle {\\mathcal {A}}(U)} ãå®ããå¯Ÿå¿ A {\\displaystyle {\\mathcal {A}}} ã X {\\displaystyle X} äžã® C r {\\displaystyle C^{r}} çŽåŸ®åæ§é ã§ãããšã¯, 次ã®3æ¡ä»¶ãæºããããããšããã:",
"title": "倿§äœ"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "çµ ( X , A ) {\\displaystyle (X,{\\mathcal {A}})} ã C r {\\displaystyle C^{r}} çŽå€æ§äœãšãã.",
"title": "倿§äœ"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "泚æ1.9 èª€è§£ã®æãã®ãªããšãã«ã¯, C â {\\displaystyle C^{\\infty }} çŽå€æ§äœ(resp. åŸ®åæ§é )ã®ããšãåã«å€æ§äœ(resp. åŸ®åæ§é )ãšãã, 倿§äœãäœçžå€æ§äœãšåã X {\\displaystyle X} ãšããèšå·ã§è¡šãããšãå€ã. ããã, äœçžç©ºé X {\\displaystyle X} ãå®ãããããšãã£ãŠå€æ§äœãäžæã«æ±ºãŸãããã§ã¯ãªãããšã«æ³šæãã.",
"title": "倿§äœ"
}
]
| null | == 倿§äœ ==
'''å®çŸ©1.1''' éå <math>X</math> ãš <math>X</math> ã®éšåéåæ <math>\mathcal{O}</math> ã®çµ <math>(X,\mathcal{O})</math> ã'''äœçžç©ºé'''ã§ãããšã¯, 次ã®2æ¡ä»¶ãæºããããããšããã:
# <math>O_{1},\dots,O_{n}\in {\mathcal {O}}\implies O_{1}\cap\cdots\cap O_n\in {\mathcal {O}}</math>
# <math>\{O_{\lambda }\}_{\lambda \in \Lambda }\subset {\mathcal {O}}\implies \bigcup_{\lambda \in \Lambda }O_{\lambda }\in {\mathcal {O}}</math>
<math>X</math> ã'''å°éå''', <math>\mathcal{O}</math> ã'''äœçžæ§é '''ãããã¯åã«'''äœçž'''ãšãã.
'''泚æ1.2''' èª€è§£ã®æãã®ãªããšãã«ã¯, äœçžç©ºéãå°éåãšåã <math>X</math> ãšããèšå·ã§è¡šãããšãå€ã. ããã, å°éå <math>X</math> ãå®ãããããšãã£ãŠäœçžç©ºéãäžæã«æ±ºãŸãããã§ã¯ãªã.
'''å®çŸ©1.3''' äœçžç©ºé <math>X</math> ã'''äœçžå€æ§äœ'''ã§ãããšã¯, 次ã®3æ¡ä»¶ãæºããããããšããã:
# <math>X</math> 㯠Hausdorff 空éã§ãã.
# <math>X</math> ã¯ç¬¬äºå¯ç®ç©ºéã§ãã.
# ä»»æã® <math>x\in X</math> ã«å¯ŸããŠ, <math>x</math> ã®éè¿å <math>U</math>, èªç¶æ° <math>n</math>, <math>\mathbf{R}^n</math> ã®ééå <math>U'</math>, åçžåå <math>\psi\colon U\to U'</math> ãååšãã.
çµ <math>(U,\psi)</math> ã <math>x</math> ã®'''座æšè¿å'''ãšãã.
'''äºå®1.4''' <math>n\neq m</math> ãªãã° <math>\mathbf{R}^n</math> ã®ç©ºã§ãªãééåãš <math>\mathbf{R}^m</math> ã®ç©ºã§ãªãééåã¯åçžã§ãªã.
'''泚æ1.5''' ããã¯ãã¢ããžãŒè«ã®åæ©çã ãéèŠãªçµæã§ãã.
'''å®çŸ©1.6''' äœçžå€æ§äœ <math>X</math> ã®åç¹ <math>x</math> ã«å¯Ÿå¿ããèªç¶æ° <math>n</math> ã¯äžæã«å®ãŸã, ããã <math>\dim_xX</math> ãšè¡šã, ããã <math>x</math> ã«ãããäžå®ã§ããããšã <math>X</math> ã'''çŽæ¬¡å
'''äœçžå€æ§äœã§ãããšãã. ä»»æã®ç¹ <math>x</math> ã«å¯Ÿã㊠<math>\dim_xX=n</math> ã§ããã°ç¹ã« <math>X</math> ã <math>n</math> 次å
äœçžå€æ§äœãšãã.
'''泚æ1.7''' ãã®ãçŽæ¬¡å
ããšããèªã¯ pure dimension ã [https://en.wikipedia.org/wiki/Equidimensionality equidimension] ã®èš³èªã§ããã¹ããŒã è«ã§ããçšãããã.
'''å®çŸ©1.8''' äœçžå€æ§äœ <math>X</math> ã®ééå <math>U</math> äžã®é¢æ°ãããªãéå <math>\mathcal{A}(U)</math> ãå®ããå¯Ÿå¿ <math>\mathcal{A}</math> ã <math>X</math> äžã® <math>C^r</math> çŽ'''åŸ®åæ§é '''ã§ãããšã¯, 次ã®3æ¡ä»¶ãæºããããããšããã:
# <math>V\subset U</math> ãæºãã <math>X</math> ã®ééå <math>U</math>, <math>V</math> ã«å¯Ÿã, <math>f\in\mathcal{A}(U)</math> ãªãã° <math>\left.f\right|_{V}\in\mathcal{A}(V)</math>.
# <math>X</math> ã®ééå <math>U</math>, <math>U\subset X</math>, <math>U</math> äžã®é¢æ° <math>f</math>, <math>U</math> ã®éè¢«èŠ <math>\{U_{\lambda}\}_{\lambda\in\Lambda}</math> ã«å¯Ÿã, <math>\left.f\right|_{U_{\lambda}}\in\mathcal{A}(U_{\lambda})\ (\lambda\in\Lambda)</math> ãªãã° <math>f\in\mathcal{A}(U)</math>.
# ä»»æã® <math>x\in X</math> ã«å¯Ÿã, <math>x</math> ã®åº§æšè¿å <math>(U,\psi)</math> ã§æ¬¡ãæºãããã®ãååšãã: ä»»æã® <math>U</math> ã®ééå <math>V</math> ã«å¯Ÿã, <math>f\in\mathcal{A}(V)\iff f\circ\psi^{-1}\in C^r(\psi(V))</math>. ãããæãç«ã€ããšãã<math>\mathcal{A}</math> ãšäž¡ç«ããããšãã.
çµ <math>(X,\mathcal{A})</math> ã <math>C^r</math> çŽ'''倿§äœ'''ãšãã.
'''泚æ1.9''' èª€è§£ã®æãã®ãªããšãã«ã¯, <math>C^{\infty}</math> çŽå€æ§äœïŒresp. åŸ®åæ§é ïŒã®ããšãåã«å€æ§äœïŒresp. åŸ®åæ§é ïŒãšãã, 倿§äœãäœçžå€æ§äœãšåã <math>X</math> ãšããèšå·ã§è¡šãããšãå€ã. ããã, äœçžç©ºé <math>X</math> ãå®ãããããšãã£ãŠå€æ§äœãäžæã«æ±ºãŸãããã§ã¯ãªãããšã«æ³šæãã.
[[ã«ããŽãª:幟äœåŠ]] | null | 2022-11-20T07:21:20Z | []
| https://ja.wikibooks.org/wiki/%E6%83%85%E5%A0%B1%E5%B9%BE%E4%BD%95%E5%AD%A6/%E6%95%B0%E5%AD%A6%E7%9A%84%E6%BA%96%E5%82%99 |
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察象:",
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{
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"title": "é£è§£èšèªã£ãŠäœã§ããã"
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"text": "äŸãã°ãã³ãŒããŽã«ãã§ããåºãŠããåé¡(ãããŒã¯ãŒã«ãã99 Bottles of beerãªã©)ã1æåã§èšè¿°ã§ãããããã以å€ã¯ã»ãšãã©äœãã§ããªããHQ9+ãã åœä»€ã8ã€ãããªãããããããçµã¿åãããããšã§ããããã§ãããBrainfuckãã",
"title": "é£è§£èšèªã£ãŠäœã§ããã"
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"title": "ã©ããã£ãŠäœããŸãããã"
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ãããŸãããããããããŸã!ãªããªãç°¡åã«äœã£ãŠããããã§ãã",
"title": "ã©ããã£ãŠäœããŸãããã"
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"paragraph_id": 0,
"tag": "p",
"text": "ãã®ããŒãžã§ã¯ãæåãªé£è§£ããã°ã©ãã³ã°èšèªã§ããw:Brainfuckãããšã«ããŠæ°ããªé£è§£ããã°ã©ãã³ã°èšèªãäœæããæé ã玹ä»ããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ãŸãæåã«ããã¹ãããšã¯ãã©ã®ãããªèšèªãã€ããã®ããèšç»ãç«ãŠãŠãããªããã°ãªããŸããã è¡ãåœããã°ã£ããã§ãäœãšããªããšã¯æããŸããããã¯ãèšç»ããã£ãã»ãããããããã§ãããã",
"title": "èšèªã®èšèš"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ãã®ããŒãžã§äœæããèšèªã¯ã以äžã®ãããªèšèªãšããŸããã§ããéãC#åå¿è
ã§ãå®è£
ã§ãããããåçŽã«ããŸããã",
"title": "èšèªã®èšèš"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "åœä»€ã®è©³çްã¯ä»¥äžã«ç€ºããŸãã",
"title": "èšèªã®èšèš"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "èšç»ãåºæ¥äžãã£ãã®ã§ããã£ããäœã£ãŠãããŸãããã",
"title": "å®è£
"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "ããã¯ãã åã«å€æ°ãäœã£ãŠããã ãã§ããåãåäœã®ããã«æ¯åéãã³ãŒããå
¥åããã®ã¯é¢åãªã®ã§ãã€ã³ã¿ããªã¿ã®ã«ãŒãã«å
¥ããŠããŸãããšã«ããŸãã",
"title": "å®è£
"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "ç¡éã«ãŒããäœãããã®äžã§å
¥åãåãä»ããæãæžããŠããŸãããã®ããšãåœä»€ãå®è¡ããŸãã",
"title": "å®è£
"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "?åœä»€ã§äœ¿ããRandomã¯ã©ã¹ã¯ããããŒã¯ãŒã«ãã«ã¯(ãããã)åºãŠããŸããã Randomã¯ã©ã¹ã¯ãä¹±æ°ãçæããããã®ã¯ã©ã¹ã§ãã倿°ã«ããŠãããªããšå©çšã§ããŸããã ããããããªãæ¹ã¯èª¿ã¹ãŠäžããã",
"title": "å®è£
"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "ãããæãèå¿ã§ãããã ãåçŽã«switchæã§åå²ããŠããã ããªã®ã§ç¹ã«é£ãããšããã¯ãããŸããã",
"title": "å®è£
"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "ãããã®ã³ãŒããäžã€ã®ãœãŒã¹ã³ãŒãã«ãŸãšããŠãããŸãã§ãããããããŠã¿ãŸãããã ãã¹ãã®ã³ãŒããããã€ãçšæããŠãããŸãã䜿ã£ãŠã¿ãŸãããã ããŸããããªãå Žåã¯ãœãŒã¹ã³ãŒããèŠçŽããŠã¿ãŸããããããã§ãããããªãå Žåã¯ãå
šäœå³ãåããŸãããã",
"title": "ãã¹ã"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "ãã€ã³ã¿ã䜿ã£ãŠæåãåºåããŠããŸãã",
"title": "ãã¹ã"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "ã³ãŒã: ++++++++++ ++++++++++ ++++++++++ ++++++++++ ++++++++++ ++++++++++ +++++ . >",
"title": "ãã¹ã"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "++++++++++ ++++++++++ ++++++++++ ++++++++++ ++++++++++ ++++++++++ +++++++-- . < .",
"title": "ãã¹ã"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "åºå: AAA",
"title": "ãã¹ã"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "å
¥åãæ±ããããå
¥åããæåããã®ãŸãŸè¡šç€ºããŸãã",
"title": "ãã¹ã"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "ã³ãŒã: ,.",
"title": "ãã¹ã"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "å
¥åäŸ: R",
"title": "ãã¹ã"
},
{
"paragraph_id": 17,
"tag": "p",
"text": "åºåäŸ: R",
"title": "ãã¹ã"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "0~65535ã®éã®ä¹±æ°ãåºåãããŸãã",
"title": "ãã¹ã"
},
{
"paragraph_id": 19,
"tag": "p",
"text": "ã³ãŒã: ?!",
"title": "ãã¹ã"
},
{
"paragraph_id": 20,
"tag": "p",
"text": "åºåäŸ: 157",
"title": "ãã¹ã"
},
{
"paragraph_id": 21,
"tag": "p",
"text": "ãã¹ãŠã®ãœãŒã¹ã³ãŒããã®ããŸãããããã³ã³ãã€ã«ããã°ã€ã³ã¿ããªã¿ãåäœããŸãã",
"title": "å
šäœå³"
}
]
| ãã®ããŒãžã§ã¯ãæåãªé£è§£ããã°ã©ãã³ã°èšèªã§ããw:Brainfuckãããšã«ããŠæ°ããªé£è§£ããã°ã©ãã³ã°èšèªãäœæããæé ã玹ä»ããŸãã | ãã®ããŒãžã§ã¯ãæåãªé£è§£ããã°ã©ãã³ã°èšèªã§ãã[[w:Brainfuck]]ãããšã«ããŠæ°ããªé£è§£ããã°ã©ãã³ã°èšèªãäœæããæé ã玹ä»ããŸãã
== èšèªã®èšèš ==
ãŸãæåã«ããã¹ãããšã¯ãã©ã®ãããªèšèªãã€ããã®ããèšç»ãç«ãŠãŠãããªããã°ãªããŸããã
è¡ãåœããã°ã£ããã§ãäœãšããªããšã¯æããŸããããã¯ãèšç»ããã£ãã»ãããããããã§ãããã
ãã®ããŒãžã§äœæããèšèªã¯ã以äžã®ãããªèšèªãšããŸããã§ããéãC#åå¿è
ã§ãå®è£
ã§ãããããåçŽã«ããŸããã
* åœä»€ã¯ã<code>+</code>ã<code>-</code>ã<code>></code>ã<code><</code>ã<code>.</code>ã<code>,</code>ã<code>?</code>ã<code>!</code>ãšããã<ref>Brainfuckã«ã¯ã<code>[</code>ãš<code>]</code>ãšããã«ãŒãã®åœä»€ããããŸããããå®è£
ã倧å€ãªã®ã§çããŸããã</ref>
* ã¡ã¢ãªã¯charåãã»ã«ã¯256åããã ããã¡ã¢ãªã®äž¡ç«¯ã¯ã€ãªãã£ãŠããªããã®ãšããã
* byteåã®æ°å€1ã€ããã€ã³ã¿ãŒãšããŠçŸåšã®ã¡ã¢ãªã»ã«ã®äœçœ®ãæã瀺ãã
* ããã«æžããŠããªããã®ã¯ãã¹ãŠBrainfuckã®ä»æ§ã«åŸãã
åœä»€ã®è©³çްã¯ä»¥äžã«ç€ºããŸãã
{| class="wikitable"
|+ åœä»€ãªã¹ã
|-
! åœä»€ !! æå³ !! åè
|-
| <code>+</code> || Brainfuckã«ååšãããçŸåšã®ã»ã«ãã€ã³ã¯ãªã¡ã³ãããã || 65535ãè¶
ããå ŽåããªãŒããŒãããŒããã
|-
| <code>-</code> || Brainfuckã«ååšãããçŸåšã®ã»ã«ããã¯ãªã¡ã³ãããã || 0ãäžåã£ãå Žåãè² ã«ãªãŒããŒãããŒããã
|-
| <code>></code> || Brainfuckã«ååšããããã€ã³ã¿ãŒãã€ã³ã¯ãªã¡ã³ãããã»ã«ãç§»åããã || ããã«ãããã€ã³ã¿ãŒã65535ãè¶
ããç¶æ
ã§ã¡ã¢ãªãæäœããå ŽåäŸå€ãçºçããã
|-
| <code><</code> || Brainfuckã«ååšããããã€ã³ã¿ãŒããã¯ãªã¡ã³ãããã»ã«ãç§»åããã || ããã«ãããã€ã³ã¿ãŒã0ãäžåã£ãç¶æ
ã§ã¡ã¢ãªãæäœããå ŽåäŸå€ãçºçããã
|-
| <code>.</code> || Brainfuckã«ååšãããçŸåšã®ã»ã«ãæåã³ãŒããšããŠåºåããã ||
|-
| <code>,</code> || Brainfuckã«ååšããã1æåå
¥åãåãä»ããçŸåšã®ã»ã«ã«æåã³ãŒãã代å
¥ããã ||
|-
| <code>?</code> || Brainfuckã«ååšããªããçŸåšã®ã»ã«ã«ä¹±æ°ã代å
¥ããã || 0ïœ65535
|-
| <code>!</code> || Brainfuckã«ååšããªããçŸåšã®ã»ã«ã®æ°å€ãåºåããã ||
|}
== å®è£
==
èšç»ãåºæ¥äžãã£ãã®ã§ããã£ããäœã£ãŠãããŸãããã
=== ã¡ã¢ãªã»ãã€ã³ã¿ã®å®è£
===
ããã¯ãã åã«å€æ°ãäœã£ãŠããã ãã§ããåãåäœã®ããã«æ¯åéãã³ãŒããå
¥åããã®ã¯é¢åãªã®ã§ãã€ã³ã¿ããªã¿ã®ã«ãŒãã«å
¥ããŠããŸãããšã«ããŸãã
<syntaxhighlight lang="C#">
char[] memory = new char[256];
byte ptr = 0;
</syntaxhighlight>
=== ã€ã³ã¿ããªã¿ã®äœæ ===
ç¡éã«ãŒããäœãããã®äžã§å
¥åãåãä»ããæãæžããŠããŸãããã®ããšãåœä»€ãå®è¡ããŸãã
<syntaxhighlight lang="C#">
while (true)
{
char[] memory = new char[256];
byte ptr = 0;
Random rnd = new Random(); // ?åœä»€ã§äœ¿ããŸãã
Console.Write("> ");
string cmd = Console.ReadLine();
for(int i = 0;i <= cmd.Length; i++)
{
// TODO: ããã«åœä»€ã远å ããŸãã
}
Console.WriteLine();
}
</syntaxhighlight>
?åœä»€ã§äœ¿ãã<code>Random</code>ã¯ã©ã¹ã¯ããããŒã¯ãŒã«ãã«ã¯(ãããã)åºãŠããŸããã
<code>Random</code>ã¯ã©ã¹ã¯ãä¹±æ°ãçæããããã®ã¯ã©ã¹ã§ãã倿°ã«ããŠãããªããšå©çšã§ããŸããã
ããããããªãæ¹ã¯èª¿ã¹ãŠäžããã
=== åœä»€ã®å®è£
===
ãããæãèå¿ã§ãããã ãåçŽã«switchæã§åå²ããŠããã ããªã®ã§ç¹ã«é£ãããšããã¯ãããŸããã
<syntaxhighlight lang="C#">
switch (cmd[i])
{
case '+':
memory[ptr]++;
break;
case '-':
memory[ptr]--;
break;
case '>':
ptr++;
break;
case '<':
ptr--;
break;
case '.':
Console.Write(memory[ptr]);
break;
case ',':
memory[ptr] = Console.ReadKey().KeyChar;
break;
case '?':
memory[ptr] = (char)rnd.Next(0, 65536); // 65536 = 65535 + 1
break;
case '!':
Console.WriteLine(memory[ptr].ToString());
break;
}
</syntaxhighlight>
== ãã¹ã ==
ãããã®ã³ãŒããäžã€ã®ãœãŒã¹ã³ãŒãã«ãŸãšããŠãããŸãã§ãããããããŠã¿ãŸãããã
ãã¹ãã®ã³ãŒããããã€ãçšæããŠãããŸãã䜿ã£ãŠã¿ãŸãããã
ããŸããããªãå Žåã¯ãœãŒã¹ã³ãŒããèŠçŽããŠã¿ãŸããããããã§ãããããªãå Žåã¯ãå
šäœå³ãåããŸãããã
=== ã€ã³ã¯ãªã¡ã³ãã»ãã¯ãªã¡ã³ãã»ãã€ã³ã¿ã®ãã¹ã ===
ãã€ã³ã¿ã䜿ã£ãŠæåãåºåããŠããŸãã
ã³ãŒã:<code>
++++++++++ ++++++++++ ++++++++++ ++++++++++ ++++++++++ ++++++++++ +++++ . >
++++++++++ ++++++++++ ++++++++++ ++++++++++ ++++++++++ ++++++++++ +++++++-- . < .
</code>
åºå:
<code>
AAA
</code>
=== å
¥åºåã®ãã¹ã(cat) ===
å
¥åãæ±ããããå
¥åããæåããã®ãŸãŸè¡šç€ºããŸãã
ã³ãŒã:<code>
,.
</code>
å
¥åäŸ:
<code>
R
</code>
åºåäŸ:
<code>
R
</code>
=== ä¹±æ°ã»æ°å€åºåã®ãã¹ã ===
0ïœ65535ã®éã®ä¹±æ°ãåºåãããŸãã
ã³ãŒã:<code>
?!
</code>
åºåäŸ:
<code>
157
</code>
== å
šäœå³ ==
ãã¹ãŠã®ãœãŒã¹ã³ãŒããã®ããŸãããããã³ã³ãã€ã«ããã°ã€ã³ã¿ããªã¿ãåäœããŸãã
<syntaxhighlight lang="C#">
using System;
namespace not_brainfuck
{
class Program
{
static void Main(string[] args)
{
while (true)
{
char[] memory = new char[256];
byte ptr = 0;
Random rnd = new Random();
Console.Write("> ");
string cmd = Console.ReadLine();
for(int i = 0;i < cmd.Length; i++)
{
switch (cmd[i])
{
case '+':
memory[ptr]++;
break;
case '-':
memory[ptr]--;
break;
case '>':
ptr++;
break;
case '<':
ptr--;
break;
case '.':
Console.Write(memory[ptr]);
break;
case ',':
memory[ptr] = Console.ReadKey().KeyChar;
break;
case '?':
memory[ptr] = (char)rnd.Next(0, 65535);
break;
case '!':
Console.WriteLine(((int)memory[ptr]).ToString());
break;
}
}
Console.WriteLine();
}
}
}
}
</syntaxhighlight>
== èæ³š ==
<references />
次ã¯ã[[é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹/HQ9+ãããšã«ãã]]ãã§ãã
[[Category:é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹]] | 2021-07-10T09:09:21Z | 2024-01-30T07:27:44Z | []
| https://ja.wikibooks.org/wiki/%E9%9B%A3%E8%A7%A3%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0%E8%A8%80%E8%AA%9E%E3%81%AE%E4%BD%9C%E3%82%8A%E6%96%B9/Brainfuck%E3%82%92%E3%82%82%E3%81%A8%E3%81%AB%E3%81%99%E3%82%8B |
31,963 | é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹/HQ9+ãããšã«ãã | ãã®ããŒãžã§ã¯ãHQ9+ãããšã«ããŠé£è§£ããã°ã©ãã³ã°èšèªãèªäœããŸãã
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ããã¯ãã å°éã«Switchæãæžãã ãã§ãããéåžžã«éèŠã§ããããã°ããŸãããã
äŸå€ãã¹ããŒããããã«ã¯throwæã䜿ããŸãã
ã ãããäºåã®äžã§ã¡ãã»ãŒãžã衚瀺ãããŸãã
ã³ãŒã: HH
åºåäŸ: Hello, world! Good afternoon!
å
¥åããã®ãŸãŸè¡šç€ºããŸãã
ã³ãŒã: Q
åºå: Q
å
šéšã®ãœãŒã¹ã³ãŒãã§ãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ãã®ããŒãžã§ã¯ãHQ9+ãããšã«ããŠé£è§£ããã°ã©ãã³ã°èšèªãèªäœããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "HQ9+ã¯ãåœä»€ã4ã€ãããªãé£è§£ããã°ã©ãã³ã°èšèªã§ãã",
"title": "HQ9+ã£ãŠäœã§ãã"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ãã£ãããã ãã§ããå®è£
ãéåžžã«ç°¡åãªã®ã§ãæ°å€ãã®æŽŸçèšèªãäœãããŠããŸãã äŸãã°...",
"title": "HQ9+ã£ãŠäœã§ãã"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "ãªã©ãªã©ã",
"title": "HQ9+ã£ãŠäœã§ãã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "HQ9+ãäœè
ãåŠãã ã®ã§ãèšç»ãç«ãŠãŸãããã",
"title": "èšç»ãç«ãŠãŸããã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "åœä»€ã¯ä»¥äžã®éãã§ãã",
"title": "èšç»ãç«ãŠãŸããã"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "Eåœä»€ã§ã¹ããŒãããäŸå€ã¯ä»¥äžã®éãã§ãã",
"title": "èšç»ãç«ãŠãŸããã"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "èšç»ãã§ããŸãããäœããŸãããã",
"title": "å®è£
"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "ããã¯éåžžã«ç°¡åã§ã倿°ãå¿
èŠãªåçšæããã ãã§çµãããŸãã",
"title": "å®è£
"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "åã®ããŒãžã§äœã£ãBrainfuck掟çèšèªã®ãœãŒã¹ã³ãŒããæµçšããããšã«ããŸãããã",
"title": "å®è£
"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "ããã¯ãã å°éã«Switchæãæžãã ãã§ãããéåžžã«éèŠã§ããããã°ããŸãããã",
"title": "å®è£
"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "äŸå€ãã¹ããŒããããã«ã¯throwæã䜿ããŸãã",
"title": "å®è£
"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "ã ãããäºåã®äžã§ã¡ãã»ãŒãžã衚瀺ãããŸãã",
"title": "ãã¹ã"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "ã³ãŒã: HH",
"title": "ãã¹ã"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "åºåäŸ: Hello, world! Good afternoon!",
"title": "ãã¹ã"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "å
¥åããã®ãŸãŸè¡šç€ºããŸãã",
"title": "ãã¹ã"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "ã³ãŒã: Q",
"title": "ãã¹ã"
},
{
"paragraph_id": 17,
"tag": "p",
"text": "åºå: Q",
"title": "ãã¹ã"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "å
šéšã®ãœãŒã¹ã³ãŒãã§ãã",
"title": "å
šäœå³"
}
]
| ãã®ããŒãžã§ã¯ãHQ9+ãããšã«ããŠé£è§£ããã°ã©ãã³ã°èšèªãèªäœããŸãã | ãã®ããŒãžã§ã¯ãHQ9+ãããšã«ããŠé£è§£ããã°ã©ãã³ã°èšèªãèªäœããŸãã
== HQ9+ã£ãŠäœã§ãã ==
HQ9+ã¯ãåœä»€ã4ã€ãããªãé£è§£ããã°ã©ãã³ã°èšèªã§ãã
{{See also|w:HQ9+}}
{| class="wikitable"
|+ HQ9+ã®åœä»€ã»ãã
|-
! åœä»€ !! åäœ
|-
! <code>H</code>
| <code>Hello, world!</code>ã衚瀺
|-
! <code>Q</code>
| ã¯ã¯ã€ã³<ref>ãœãŒã¹ã³ãŒãããã®ãŸãŸåºåããããšã§ããã»ãšãã©ã®ããã°ã©ãã³ã°èšèªã§ã¯å®è£
ãéåžžã«å€§å€ã§ãããããšããšãããç°¡åã«ããããã«èšèšãããŠãããããã®ã§ããã ãã§ããããŸãã</ref>
|-
! <code>9</code>
| 99 bottles of beer
|-
! <code>+</code>
| ã¢ãã¥ã ã¬ãŒã¿(倿°ã®ãããªãã®)ãã€ã³ã¯ãªã¡ã³ã
|}
ãã£ãããã ãã§ããå®è£
ãéåžžã«ç°¡åãªã®ã§ãæ°å€ãã®æŽŸçèšèªãäœãããŠããŸãã
äŸãã°...
* FizzBuzzã远å ãããHQ9F+ãã
* HãšQãš9ããªããªã£ãŠããŸã£ãã+ãã
* ã¢ãã¥ã ã¬ãŒã¿ãäºæ¬¡å
é
åã«ãªã£ããHQ9+2Dãã
* Deadfishãšããå¥ã®èšèªãšãã£ã€ãããããFISHQ9+ãã
ãªã©ãªã©ã
== èšç»ãç«ãŠãŸããã ==
HQ9+ãäœè
ãåŠãã ã®ã§ãèšç»ãç«ãŠãŸãããã
* ã¢ãã¥ã ã¬ãŒã¿ã¯uint<ref>32ãããã®ç¬Šå·ãªãæŽæ°åã0ïœ4,294,967,295ãŸã§ã®æŽæ°ãæ±ããŸãã</ref>å(ãªã®ã§EAX<ref>ã¢ã»ã³ãã©ã«ããã倿°ã®ãããªãã®ã®äžã€ããµã€ãºã¯32ããããšæ±ºãŸã£ãŠããŸããã»ãã«ãEBXãECXãªã©ããããŸãã</ref>ã§ã)ã
* åœä»€ä»¥å€ã®æåã¯ãã®ãŸãŸåºåã
* ããã«æžãããŠããªããã®ã¯ãã¹ãŠHQ9+ã®ä»æ§ã«åŸãã
åœä»€ã¯ä»¥äžã®éãã§ãã
{| class="wikitable"
|+ åœä»€
|-
! åœä»€ !! æå³
|-
| <code>H</code> || ã©ã³ãã ã§<tt>Hello, world!</tt>ã<tt>Good afternoon!</tt>ã衚瀺ã
|-
| <code>Q</code> || ã¯ã¯ã€ã³ã
|-
| <code>E</code> || äŸå€(ã¢ãã¥ã ã¬ãŒã¿ã«å¿ããŠå€ãããäžã®è¡šãåç
§)ãã¹ããŒããã
|-
| <code>+</code> || ã¢ãã¥ã ã¬ãŒã¿ãã€ã³ã¯ãªã¡ã³ãã
|-
|}
<code>E</code>åœä»€ã§ã¹ããŒãããäŸå€ã¯ä»¥äžã®éãã§ãã
{| class="wikitable"
|+ äŸå€
|-
! ã¢ãã¥ã ã¬ãŒã¿ !! äŸå€ã®åå !! çšé
|-
| 1 || Exception || äŸå€å
šè¬ã
|-
| 2 || ArgumentNullException || nullãæž¡ããŠã¯ãããªã颿°ã«nullãæž¡ããå Žåã«ã¹ããŒãããã
|-
| 3 || IOException || I/Oãšã©ãŒãçºçããéã«ã¹ããŒãããã
|-
| 4 || MissingMemberException || ååšããªãã¡ã³ããŒã«åç<ref>ã³ã³ãã€ã«ãªã©å®è¡åã«æ±ºããŠããããå®è¡æã«ãã®éœåºŠæ±ºããŠããããšã</ref>ã«ã¢ã¯ã»ã¹ããããšããå Žåã«ã¹ããŒãããã
|-
| 5 || EntryPointNotFoundException || ãšã³ããªãã€ã³ã<ref>æåã«å®è¡ããã颿°ã®ããšã<code>Main()</code>ãªã©ã</ref>ãååšããªãå Žåã«ã¹ããŒãããã
|-
| ããä»¥å€ || Exception || äŸå€å
šè¬ã
|}
== å®è£
==
èšç»ãã§ããŸãããäœããŸãããã
=== 倿°ã®å®è£
===
ããã¯éåžžã«ç°¡åã§ã倿°ãå¿
èŠãªåçšæããã ãã§çµãããŸãã
<syntaxhighlight lang="C#">
uint accumulator = 0; // ã¢ãã¥ã ã¬ãŒã¿
Random rnd = new Random();
</syntaxhighlight>
=== ã€ã³ã¿ããªã¿ã®å®è£
===
åã®ããŒãžã§äœã£ãBrainfuck掟çèšèªã®ãœãŒã¹ã³ãŒããæµçšããããšã«ããŸãããã
=== åœä»€ã®å®è£
===
ããã¯ãã å°éã«Switchæãæžãã ãã§ãããéåžžã«éèŠã§ããããã°ããŸãããã
<syntaxhighlight lang="C#">
switch (cmd[i])
{
case 'H':
if (rnd.Next(0, 2) == 0) // äžæã®ã¿ã®å Žåããã£ããã€ããªããŠããã
Console.WriteLine("Good afternoon!");
else
Console.WriteLine("Hello, world!");
break;
case 'Q':
Console.WriteLine(cmd);
break;
case 'E':
switch (accumulator)
{
case 1:
throw new Exception(); // äŸå€ãèµ·ãããšããªã©ãå¿
ãçµããå Žåbreakæã¯å¿
èŠãªãã
case 2:
throw new ArgumentNullException();
case 3:
throw new System.IO.IOException();
case 4:
throw new MissingMemberException();
case 5:
throw new EntryPointNotFoundException();
default:
throw new Exception();
}
case '+':
accumulator++;
break;
default:
Console.Write(cmd[i]);
break;
}
</syntaxhighlight>
äŸå€ãã¹ããŒããããã«ã¯<code>throw</code>æã䜿ããŸãã
== ãã¹ã ==
=== Håœä»€ ===
ã ãããäºåã®äžã§ã¡ãã»ãŒãžã衚瀺ãããŸãã
ã³ãŒã:
<code>HH</code>
åºåäŸ:
<code>
Hello, world!
Good afternoon!
</code>
=== Qåœä»€ ===
å
¥åããã®ãŸãŸè¡šç€ºããŸãã
ã³ãŒã:
<code>Q</code>
åºå:
<code>Q</code>
== å
šäœå³ ==
å
šéšã®ãœãŒã¹ã³ãŒãã§ãã
<syntaxhighlight lang="C#">
using System;
namespace not_HQ9plus
{
class Program
{
static void Main()
{
while (true)
{
uint accumulator = 0; // ã¢ãã¥ã ã¬ãŒã¿
Random rnd = new Random();
Console.Write("> ");
string cmd = Console.ReadLine();
for (int i = 0; i < cmd.Length; i++)
{
switch (cmd[i])
{
case 'H':
if (rnd.Next(0, 2) == 0) // äžæã®ã¿ã®å Žåããã£ããã€ããªããŠããã
Console.WriteLine("Good afternoon!");
else
Console.WriteLine("Hello, world!");
break;
case 'Q':
Console.WriteLine(cmd);
break;
case 'E':
switch (accumulator)
{
case 1:
throw new Exception(); // äŸå€ãèµ·ãããšããªã©ãå¿
ãçµããå Žåbreakæã¯å¿
èŠãªãã
case 2:
throw new ArgumentNullException();
case 3:
throw new System.IO.IOException();
case 4:
throw new MissingMemberException();
case 5:
throw new EntryPointNotFoundException();
default:
throw new Exception();
}
case '+':
accumulator++;
break;
default:
Console.Write(cmd[i]);
break;
}
}
Console.WriteLine();
}
}
}
}
</syntaxhighlight>
== æŒç¿åé¡ ==
# äžèšã®ã¹ã¯ãªããã®ã¢ãã¥ã ã¬ãŒã¿ã®åæå€ã10000ã«èšå®ãã+åœä»€ã®åäœããã¯ãªã¡ã³ãã«æžãæããŸãããã
== èæ³š ==
<references />
åã¯ã[[é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹/Brainfuckãããšã«ãã]]ãã§ãã
次ã¯ã[[é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹/Deadfishãããšã«ãã]]ãã§ãã
[[Category:é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹]] | null | 2022-06-01T02:50:30Z | [
"ãã³ãã¬ãŒã:See also"
]
| https://ja.wikibooks.org/wiki/%E9%9B%A3%E8%A7%A3%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0%E8%A8%80%E8%AA%9E%E3%81%AE%E4%BD%9C%E3%82%8A%E6%96%B9/HQ9%2B%E3%82%92%E3%82%82%E3%81%A8%E3%81%AB%E3%81%99%E3%82%8B |
31,964 | é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹/åèæç® | ãã®ããŒãžã¯ããã®æ¬ãäœãéçšã§èªãã ãµã€ãããããŠããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ãã®ããŒãžã¯ããã®æ¬ãäœãéçšã§èªãã ãµã€ãããããŠããŸãã",
"title": ""
}
]
| ãã®ããŒãžã¯ããã®æ¬ãäœãéçšã§èªãã ãµã€ãããããŠããŸãã | ãã®ããŒãžã¯ããã®æ¬ãäœãéçšã§èªãã ãµã€ãããããŠããŸãã
== åèæç®ã®ãªã¹ã ==
# åèæç®1: [https://ja.wikipedia.org/wiki/%E9%9B%A3%E8%A7%A3%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0%E8%A8%80%E8%AA%9E é£è§£ããã°ã©ãã³ã°èšèª] 2021幎7æ10æ¥é²èЧãåçå·çè
:Xenix~jawikiãã
# åèæç®2: [https://esolangs.org/wiki/Brainfuck Brainfuck] 2021幎7æ10æ¥é²èЧãåçå·çè
:Graueãã
# åèæç®3: [https://esolangs.org/wiki/HQ9%2B HQ9+] 2021幎7æ11æ¥é²èЧãåçå·çè
:Graueãã
# åèæç®4: [https://esolangs.org/wiki/Deadfish Deadfish] 2021幎7æ11æ¥é²èЧãåçå·çè
:Jonskinnerãã
[[Category:é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹]] | null | 2021-07-11T06:27:28Z | []
| https://ja.wikibooks.org/wiki/%E9%9B%A3%E8%A7%A3%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0%E8%A8%80%E8%AA%9E%E3%81%AE%E4%BD%9C%E3%82%8A%E6%96%B9/%E5%8F%82%E8%80%83%E6%96%87%E7%8C%AE |
31,965 | é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹/Deadfishãããšã«ãã | ãã®ããŒãžã§ã¯ãDeadfishãããšã«ããŠæ°ããªèšèªãäœããŸãã
Deadfish(çŽèš³:æ»ãã é)ã¯ãé£è§£ããã°ã©ãã³ã°èšèªã®ã²ãšã€ã§ãããšããšHQ9+ã®ãµãã»ãããšããäºå®ã ã£ãããã§ãã åœä»€ã¯4ã€ã§ãããHQ9+ã®ãããªåœä»€ã¯ãããŸããã
ãã£ãããã ã!HQ9+ãããäžå±€äœããããã§ãã ãŸããXKCDããªãšãŒã·ã§ã³ãšããåœä»€ã®çš®é¡ããããŸããããã¯ã€ã³ã¯ãªã¡ã³ããxã2ä¹ãkã«ãªã£ãŠããŸãã
仿§ã¯ä»¥äžã®ããã«ããŸãã
åœä»€ã決ããŸãããã
æ°å€ã«ãŠã³ã¿ãäœããŸãã
ãã¡ããBrainfuckããæµçšããŸãã
ããã§äžçªå€§äºãªã®ã¯gåœä»€ã§Int32.TryParseã䜿ã£ãŠãããšããã§ãã仿§ã決ãããšãã«ããããã®ã§ãConvert.ToInt32ãªã©ã䜿ãã®ã¯ãã¡ã§ãã
ãŸããTryParseã®2ã€ç®ã®åŒæ°ããout xããšãªã£ãŠããŸããã颿°åŽãããã®å€æ°ãžã®å€æŽãåæ ãããã§ã~ããšèšå®ãããšãã«outãã€ããå¿
èŠãããããã§ãã
ãµã€ã颿°ã®äžã§åŒæ°ããããããŠãå
ã®å€æ°ã«ã¯åœ±é¿ããŸãããã§ããoutãã€ããŠãããšå€æŽãåæ ãããã®ã§ãã䌌ããããªãã®ã«refããŒã¯ãŒãããããŸãã
äœæ
GOããšèšããŸããšãããã°ã©ã ãgoã ããã§ããæ°åãå
¥åãããããã®ãŸãŸãããè¿ããããŸãã
ã³ãŒã:go
å
¥åäŸ: 44
åºåäŸ: 44 | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ãã®ããŒãžã§ã¯ãDeadfishãããšã«ããŠæ°ããªèšèªãäœããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "Deadfish(çŽèš³:æ»ãã é)ã¯ãé£è§£ããã°ã©ãã³ã°èšèªã®ã²ãšã€ã§ãããšããšHQ9+ã®ãµãã»ãããšããäºå®ã ã£ãããã§ãã åœä»€ã¯4ã€ã§ãããHQ9+ã®ãããªåœä»€ã¯ãããŸããã",
"title": "Deadfishã£ãŠäœã§ãã"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ãã£ãããã ã!HQ9+ãããäžå±€äœããããã§ãã ãŸããXKCDããªãšãŒã·ã§ã³ãšããåœä»€ã®çš®é¡ããããŸããããã¯ã€ã³ã¯ãªã¡ã³ããxã2ä¹ãkã«ãªã£ãŠããŸãã",
"title": "Deadfishã£ãŠäœã§ãã"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "仿§ã¯ä»¥äžã®ããã«ããŸãã",
"title": "ãã£ããèšç»ããŸããã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "åœä»€ã決ããŸãããã",
"title": "ãã£ããèšç»ããŸããã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "æ°å€ã«ãŠã³ã¿ãäœããŸãã",
"title": "å®è£
ããŸããã"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "ãã¡ããBrainfuckããæµçšããŸãã",
"title": "å®è£
ããŸããã"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "ããã§äžçªå€§äºãªã®ã¯gåœä»€ã§Int32.TryParseã䜿ã£ãŠãããšããã§ãã仿§ã決ãããšãã«ããããã®ã§ãConvert.ToInt32ãªã©ã䜿ãã®ã¯ãã¡ã§ãã",
"title": "å®è£
ããŸããã"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "ãŸããTryParseã®2ã€ç®ã®åŒæ°ããout xããšãªã£ãŠããŸããã颿°åŽãããã®å€æ°ãžã®å€æŽãåæ ãããã§ã~ããšèšå®ãããšãã«outãã€ããå¿
èŠãããããã§ãã",
"title": "å®è£
ããŸããã"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "ãµã€ã颿°ã®äžã§åŒæ°ããããããŠãå
ã®å€æ°ã«ã¯åœ±é¿ããŸãããã§ããoutãã€ããŠãããšå€æŽãåæ ãããã®ã§ãã䌌ããããªãã®ã«refããŒã¯ãŒãããããŸãã",
"title": "å®è£
ããŸããã"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "äœæ
GOããšèšããŸããšãããã°ã©ã ãgoã ããã§ããæ°åãå
¥åãããããã®ãŸãŸãããè¿ããããŸãã",
"title": "ãã¹ã"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "ã³ãŒã:go",
"title": "ãã¹ã"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "å
¥åäŸ: 44",
"title": "ãã¹ã"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "åºåäŸ: 44",
"title": "ãã¹ã"
}
]
| ãã®ããŒãžã§ã¯ãDeadfishãããšã«ããŠæ°ããªèšèªãäœããŸãã | ãã®ããŒãžã§ã¯ãDeadfishãããšã«ããŠæ°ããªèšèªãäœããŸãã
== Deadfishã£ãŠäœã§ãã ==
Deadfish(çŽèš³:æ»ãã é)ã¯ãé£è§£ããã°ã©ãã³ã°èšèªã®ã²ãšã€ã§ãããšããšHQ9+ã®ãµãã»ãããšããäºå®ã ã£ãããã§ã<ref>[[é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹/åèæç®|åèæç®]]4ãåç
§ã</ref>ã
åœä»€ã¯4ã€ã§ãããHQ9+ã®ãããªåœä»€ã¯ãããŸããã
{| class="wikitable"
|+ Deadfishã®åœä»€ã»ãã
|-
! åœä»€ !! æå³
|-
| <code>i</code> || ã€ã³ã¯ãªã¡ã³ã
|-
| <code>d</code> || ãã¯ãªã¡ã³ã
|-
| <code>s</code> || æ°å€ã2ä¹
|-
| <code>o</code> || æ°å€ãåºå
|}
ãã£ãããã ãïŒHQ9+ãããäžå±€äœããããã§ãã
ãŸããXKCDããªãšãŒã·ã§ã³ãšããåœä»€ã®çš®é¡ããããŸããããã¯ã€ã³ã¯ãªã¡ã³ãã<code>x</code>ã2ä¹ã<code>k</code>ã«ãªã£ãŠããŸãã
== ãã£ããèšç»ããŸããã ==
仿§ã¯ä»¥äžã®ããã«ããŸãã
* æ°å€ã®åã¯intåãšããã
* åœä»€ä»¥å€ã®æåã¯ãã®ãŸãŸåºåã
* ãã以å€ã¯Deadfishã®ä»æ§ã«åŸãã
åœä»€ã決ããŸãããã
{| class="wikitable"
|+ åœä»€
|-
! åœä»€ !! æå³
|-
| <code>i</code> || æ°å€ãã€ã³ã¯ãªã¡ã³ãããã
|-
| <code>d</code> || æ°å€ããã¯ãªã¡ã³ãããã
|-
| <code>x</code> || æ°å€ãåã«ããã
|-
| <code>z</code> || æ°å€ã0ã«ããã
|-
| <code>g</code> || æ°å€ã®å
¥åãæ±ãããããæ°å€ã«ä»£å
¥ãããSystemåå空é<ref>åå空éãšã¯ãè€æ°ã®ã¯ã©ã¹ãã€ã³ã¿ãŒãã§ãŒã¹ãªã©ããŸãšããè¡çªã®å¯èœæ§ãæžãããã®ã§ããããã§ãSystemãšããã®ã¯ãã®åã®éã.NETã®éèŠãªéšåãæ
ã£ãŠããŸãã</ref>ã®Int32.TryParse<ref>æååããæ°å€ãååŸãã颿°ã§ãã</ref>ããããã¯ãããšåçãªãã®ã䜿çšããã倿ã«å€±æããå Žåã0ã代å
¥ããã
|-
| <code>o</code> || æ°å€ãåºåããã
|}
== å®è£
ããŸããã ==
=== 倿°ã®å®è£
===
æ°å€ã«ãŠã³ã¿ãäœããŸãã
<syntaxhighlight lang="C#">
int counter = 0;
</syntaxhighlight>
=== ã€ã³ã¿ããªã¿ã®å®è£
===
ãã¡ããBrainfuckããæµçšããŸãã
=== åœä»€ã®å®è£
===
ããã§äžçªå€§äºãªã®ã¯gåœä»€ã§Int32.TryParseã䜿ã£ãŠãããšããã§ãã仿§ã決ãããšãã«ããããã®ã§ãConvert.ToInt32<ref>TryParseãšåãããã«æååãæ°å€ã«å€æãããã现ããéšåãããã€ãç°ãªã£ãŠããŸããäŸãã°ã倿ã«å€±æãããäŸå€ãæããããšãªã©ã§ãã</ref>ãªã©ã䜿ãã®ã¯ãã¡ã§ãã
ãŸããTryParseã®2ã€ç®ã®åŒæ°ããout xããšãªã£ãŠããŸããã颿°åŽãããã®å€æ°ãžã®å€æŽãåæ ãããã§ãïœããšèšå®ãããšãã«outãã€ããå¿
èŠãããããã§ãã
ãµã€ã颿°ã®äžã§åŒæ°ããããããŠãå
ã®å€æ°ã«ã¯åœ±é¿ããŸãããã§ããoutãã€ããŠãããšå€æŽãåæ ãããã®ã§ãã䌌ããããªãã®ã«refããŒã¯ãŒãããããŸãã
<syntaxhighlight lang="C#">
switch (cmd[i])
{
case 'i':
counter++;
break;
case 'd':
counter--;
break;
case 'x':
counter *= 2; // counter = counter * 2; ãšåç
break;
case 'z':
counter = 0;
break;
case 'g':
string s = Console.ReadLine();
int x = 0;
if (Int32.TryParse(s, out x))
{
counter = x;
}
else
{
counter = 0;
}
break;
case 'o':
Console.WriteLine(counter);
break;
}
</syntaxhighlight>
== ãã¹ã ==
=== GO!ãã¹ã ===
äœæ
GOããšèšããŸããšãããã°ã©ã ã<code>go</code>ã ããã§ã<ref>ããããããã°ã©ã ã¯catããã°ã©ã ãšãåŒã°ãããããŸãããã䜿ãããã®ã§ããããªçš®é¡ããããŸãã</ref>ãæ°åãå
¥åãããããã®ãŸãŸãããè¿ããããŸãã
ã³ãŒã:<code>go</code>
å
¥åäŸ:
<code>44</code>
åºåäŸ:
<code>44</code>
== å
šäœå³ ==
<syntaxhighlight lang="C#">
using System;
namespace not_Deadfish
{
class Program
{
static void Main()
{
while (true)
{
int counter = 0;
Console.Write("> ");
string cmd = Console.ReadLine();
for (int i = 0; i < cmd.Length; i++)
{
switch (cmd[i])
{
case 'i':
counter++;
break;
case 'd':
counter--;
break;
case 'x':
counter *= 2; // counter = counter * 2; ãšåç
break;
case 'z':
counter = 0;
break;
case 'g':
string s = Console.ReadLine();
int x = 0;
if (Int32.TryParse(s, out x))
{
counter = x;
}
else
{
counter = 0;
}
break;
case 'o':
Console.WriteLine(counter);
break;
}
}
Console.WriteLine();
}
}
}
}
</syntaxhighlight>
== èæ³š ==
<references />
åã¯ã[[é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹/HQ9+ãããšã«ãã]]ãã§ãã
次ã¯ã[[é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹/ã¡ãã£ãšã³ãŒããŒãã¬ã€ã¯(1) Esolang wikiã«æçš¿ããŠã¿ãã]]ãã§ãã
[[Category:é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹]] | null | 2022-06-01T02:59:50Z | []
| https://ja.wikibooks.org/wiki/%E9%9B%A3%E8%A7%A3%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0%E8%A8%80%E8%AA%9E%E3%81%AE%E4%BD%9C%E3%82%8A%E6%96%B9/Deadfish%E3%82%92%E3%82%82%E3%81%A8%E3%81%AB%E3%81%99%E3%82%8B |
31,966 | é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹/ã¡ãã£ãšã³ãŒããŒãã¬ã€ã¯(1) Esolang wikiã«æçš¿ããŠã¿ãã | 3ã€ãèšèªãäœã£ãŠããŸã£ãã®ã§ãã¡ãã£ãšäŒæ©ããŸãããã
Esolang wikiã¯ããããããªäººãäœã£ãé£è§£ããã°ã©ãã³ã°èšèªãæçš¿ããWikiã§ããWikipediaãšåããã®ã䜿ã£ãŠããã®ã§ãWikipediaã®å·çãã§ããã°ã¹ã¿ã€ã«ã¯åé¡ãªãã§ãã
ãã ããäžã€åé¡ããããŸããããã¯èšèªã®å£ã§ããEsolang wikiã¯è±èªã§æžãããŠããŸããè±èªãæžããã®ã§ããã°å
šãåé¡ãããŸããããè±èªãããããªããã°äžå€§äºã§ãã
...ãšãŸããããããã©ãããŸããããäžçã¯æ
å ±ç€ŸäŒã§ãã翻蚳ããããŸãããããŸãã!
ã»ãã«ããè±èªãæžããªãã®ã§èª¬æãæžããªãã²ãšã¯ã説æãæžããã«ãœãŒã¹ã³ãŒãã®ãªã³ã¯ãã®ããŠããã®ãããã§ããããGithubãGoogle Driveãªã©ã§ãããããèŠãã»ãã®ãŠãŒã¶ãŒãæžãè¶³ããŠããããããããŸãããå®äœéšã§ãã
ç¯ã®ååã«ããåºãŠããæžãæ¹ãããã€ãèŒããŠãããŸãããŸããããŒãžãæžããªã人ãç¥ã£ãŠããã°èªã¿ããããªããããããŸãããç¹ã«ç®æ¬¡ã
æŠèŠã§ãã
ãã®èšèªã䜿ã£ããœãŒã¹ã³ãŒãã®ãµã³ãã«ãèŒããŠããç¯ã§ããHello, worldãQuine(ã¯ã¯ã€ã³)ãªã©ã
å®è£
ãšãããæå³ã§ããCãšãã§æžããããœãŒã¹ã³ãŒããæžããŠãããŸãã
ãã¡ããã芧ãã ããããšããæå³ã§ããé¡äŒŒèšèªãå
ã«ããèšèªãªã©ãé¢é£ã®ããããŒãžããªã¹ãã«ããŸãããã
å€éšãœãŒã¹ãšããæå³ã§ããwikiã®å€ã®ãµã€ãã貌ããããšãã¯See alsoã§ã¯ãªããã¡ããžã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "3ã€ãèšèªãäœã£ãŠããŸã£ãã®ã§ãã¡ãã£ãšäŒæ©ããŸãããã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "Esolang wikiã¯ããããããªäººãäœã£ãé£è§£ããã°ã©ãã³ã°èšèªãæçš¿ããWikiã§ããWikipediaãšåããã®ã䜿ã£ãŠããã®ã§ãWikipediaã®å·çãã§ããã°ã¹ã¿ã€ã«ã¯åé¡ãªãã§ãã",
"title": "Esolang wikiã£ãŠäœã§ãã"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ãã ããäžã€åé¡ããããŸããããã¯èšèªã®å£ã§ããEsolang wikiã¯è±èªã§æžãããŠããŸããè±èªãæžããã®ã§ããã°å
šãåé¡ãããŸããããè±èªãããããªããã°äžå€§äºã§ãã",
"title": "Esolang wikiã£ãŠäœã§ãã"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "...ãšãŸããããããã©ãããŸããããäžçã¯æ
å ±ç€ŸäŒã§ãã翻蚳ããããŸãããããŸãã!",
"title": "Esolang wikiã£ãŠäœã§ãã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ã»ãã«ããè±èªãæžããªãã®ã§èª¬æãæžããªãã²ãšã¯ã説æãæžããã«ãœãŒã¹ã³ãŒãã®ãªã³ã¯ãã®ããŠããã®ãããã§ããããGithubãGoogle Driveãªã©ã§ãããããèŠãã»ãã®ãŠãŒã¶ãŒãæžãè¶³ããŠããããããããŸãããå®äœéšã§ãã",
"title": "Esolang wikiã£ãŠäœã§ãã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "ç¯ã®ååã«ããåºãŠããæžãæ¹ãããã€ãèŒããŠãããŸãããŸããããŒãžãæžããªã人ãç¥ã£ãŠããã°èªã¿ããããªããããããŸãããç¹ã«ç®æ¬¡ã",
"title": "Esolang wikiã£ãŠäœã§ãã"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "æŠèŠã§ãã",
"title": "Esolang wikiã£ãŠäœã§ãã"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "ãã®èšèªã䜿ã£ããœãŒã¹ã³ãŒãã®ãµã³ãã«ãèŒããŠããç¯ã§ããHello, worldãQuine(ã¯ã¯ã€ã³)ãªã©ã",
"title": "Esolang wikiã£ãŠäœã§ãã"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "å®è£
ãšãããæå³ã§ããCãšãã§æžããããœãŒã¹ã³ãŒããæžããŠãããŸãã",
"title": "Esolang wikiã£ãŠäœã§ãã"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "ãã¡ããã芧ãã ããããšããæå³ã§ããé¡äŒŒèšèªãå
ã«ããèšèªãªã©ãé¢é£ã®ããããŒãžããªã¹ãã«ããŸãããã",
"title": "Esolang wikiã£ãŠäœã§ãã"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "å€éšãœãŒã¹ãšããæå³ã§ããwikiã®å€ã®ãµã€ãã貌ããããšãã¯See alsoã§ã¯ãªããã¡ããžã",
"title": "Esolang wikiã£ãŠäœã§ãã"
}
]
| 3ã€ãèšèªãäœã£ãŠããŸã£ãã®ã§ãã¡ãã£ãšäŒæ©ããŸãããã | 3ã€ãèšèªãäœã£ãŠããŸã£ãã®ã§ãã¡ãã£ãšäŒæ©ããŸãããã
== Esolang wikiã£ãŠäœã§ãã ==
Esolang wikiã¯ããããããªäººãäœã£ãé£è§£ããã°ã©ãã³ã°èšèªãæçš¿ããWikiã§ããWikipediaãšåããã®ã䜿ã£ãŠããã®ã§ãWikipediaã®å·çãã§ããã°<ref>ããããªãã²ãšã¯ãã[[ãŠã£ãããã£ã¢ã®æžãæ¹]]ããèªãã§ã¿ãŠãã ããã</ref>ã¹ã¿ã€ã«ã¯åé¡ãªãã§ãã
ãã ããäžã€åé¡ããããŸããããã¯èšèªã®å£ã§ããEsolang wikiã¯è±èªã§æžãããŠããŸããè±èªãæžããã®ã§ããã°å
šãåé¡ãããŸããããè±èªãããããªããã°äžå€§äºã§ãã
âŠãšãŸããããããã©ãããŸããããäžçã¯æ
å ±ç€ŸäŒã§ãã翻蚳ããããŸãããããŸããïŒ
ã»ãã«ããè±èªãæžããªãã®ã§èª¬æãæžããªãã²ãšã¯ã説æãæžããã«ãœãŒã¹ã³ãŒãã®ãªã³ã¯ãã®ããŠããã®ãããã§ããããGithubãGoogle Driveãªã©ã§ãããããèŠãã»ãã®ãŠãŒã¶ãŒãæžãè¶³ããŠããããããããŸãããå®äœéšã§ãã
ç¯ã®ååã«ããåºãŠããæžãæ¹ãããã€ãèŒããŠãããŸãããŸããããŒãžãæžããªã人ãç¥ã£ãŠããã°èªã¿ããããªããããããŸãããç¹ã«ç®æ¬¡ã
*Overview
æŠèŠã§ãã
*Example
ãã®èšèªã䜿ã£ããœãŒã¹ã³ãŒãã®ãµã³ãã«ãèŒããŠããç¯ã§ããHello, worldãQuineïŒã¯ã¯ã€ã³ïŒãªã©ã
*Implementation
å®è£
ãšãããæå³ã§ããCãšãã§æžããããœãŒã¹ã³ãŒããæžããŠãããŸãã
*See also
ãã¡ããã芧ãã ããããšããæå³ã§ããé¡äŒŒèšèªãå
ã«ããèšèªãªã©ãé¢é£ã®ããããŒãžããªã¹ãã«ããŸãããã
*External resources
å€éšãœãŒã¹ãšããæå³ã§ããwikiã®å€ã®ãµã€ãã貌ããããšãã¯See alsoã§ã¯ãªããã¡ããžã
== å€éšãªã³ã¯ ==
* [https://www.esolangs.org/wiki Esolang wiki]
== èæ³š ==
<references />
[[Category:é£è§£ããã°ã©ãã³ã°èšèªã®äœãæ¹]] | null | 2022-06-01T03:28:37Z | []
| https://ja.wikibooks.org/wiki/%E9%9B%A3%E8%A7%A3%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0%E8%A8%80%E8%AA%9E%E3%81%AE%E4%BD%9C%E3%82%8A%E6%96%B9/%E3%81%A1%E3%82%87%E3%81%A3%E3%81%A8%E3%82%B3%E3%83%BC%E3%83%92%E3%83%BC%E3%83%96%E3%83%AC%E3%82%A4%E3%82%AF(1)_Esolang_wiki%E3%81%AB%E6%8A%95%E7%A8%BF%E3%81%97%E3%81%A6%E3%81%BF%E3%82%88%E3%81%86 |
31,969 | Brainfuck | Brainfuckã¯ã Urban MÃŒllerã«ãã£ãŠ1993幎ã«éçºãããé£è§£ããã°ã©ãã³ã°èšèªã§ãã
P"ãFALSEã«åœ±é¿ãåããŸããããŸããèšå€§ãªæ°ã®é£è§£ããã°ã©ãã³ã°èšèªã«åœ±é¿ãäžããèšèªã§ãã
æ¡åŒµåã¯ãã.bããããã¯ã.bfãã§ãã
fuckãåèªã§ãããããæ§ã
ãªå¥åããããŸããããã以äžã«ç€ºããŸã:
ãã®ããã«ãæ§ã
ãªå¥åã®ããã§ãæ
å ±ãæ¢ãããšãå°é£ã«ãªã£ãŠãããããŸãã
Brainfuckã¯ä»¥äžã®ãã®ã§æããŸã:
Brainfuckã¯ã8ã€ã®åœä»€ãæã¡ãŸããåœä»€ã¯ä»¥äžã®éãã§ã:
ãŸããåœä»€ã§ãªãæåã¯ç¡èŠãããŸãã
Brainfuckã«ããããããŒã¯ãŒã«ãããã°ã©ã ã以äžã«ç€ºããŸãã
Brainfuckãå©çšããã«ã¯ããœãããŠã§ã¢ãã€ã³ã¹ããŒã«ããã»ãã«ããã©ãŠã¶ã§å®è¡ããæ¹æ³ããããŸãã以äžã¯ãã®äžäŸã§ãã
| [
{
"paragraph_id": 0,
"tag": "p",
"text": "Brainfuckã¯ã Urban MÃŒllerã«ãã£ãŠ1993幎ã«éçºãããé£è§£ããã°ã©ãã³ã°èšèªã§ãã",
"title": "æŠèŠ"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "P\"ãFALSEã«åœ±é¿ãåããŸããããŸããèšå€§ãªæ°ã®é£è§£ããã°ã©ãã³ã°èšèªã«åœ±é¿ãäžããèšèªã§ãã",
"title": "æŠèŠ"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "æ¡åŒµåã¯ãã.bããããã¯ã.bfãã§ãã",
"title": "æŠèŠ"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "fuckãåèªã§ãããããæ§ã
ãªå¥åããããŸããããã以äžã«ç€ºããŸã:",
"title": "æŠèŠ"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ãã®ããã«ãæ§ã
ãªå¥åã®ããã§ãæ
å ±ãæ¢ãããšãå°é£ã«ãªã£ãŠãããããŸãã",
"title": "æŠèŠ"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "Brainfuckã¯ä»¥äžã®ãã®ã§æããŸã:",
"title": "仿§"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "Brainfuckã¯ã8ã€ã®åœä»€ãæã¡ãŸããåœä»€ã¯ä»¥äžã®éãã§ã:",
"title": "仿§"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "ãŸããåœä»€ã§ãªãæåã¯ç¡èŠãããŸãã",
"title": "仿§"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "Brainfuckã«ããããããŒã¯ãŒã«ãããã°ã©ã ã以äžã«ç€ºããŸãã",
"title": "Hello world"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "Brainfuckãå©çšããã«ã¯ããœãããŠã§ã¢ãã€ã³ã¹ããŒã«ããã»ãã«ããã©ãŠã¶ã§å®è¡ããæ¹æ³ããããŸãã以äžã¯ãã®äžäŸã§ãã",
"title": "å®è£
"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "",
"title": "Brainfuckã®å®æ°"
}
]
| null | == æŠèŠ ==
'''Brainfuck'''ã¯ã Urban MÃŒllerã«ãã£ãŠ1993幎ã«éçºãããé£è§£ããã°ã©ãã³ã°èšèªã§ãã
P"ãFALSEã«åœ±é¿ãåããŸããããŸããèšå€§ãªæ°ã®é£è§£ããã°ã©ãã³ã°èšèªã«åœ±é¿ãäžããèšèªã§ãã
æ¡åŒµåã¯ãã.bããããã¯ã.bfãã§ãã
fuckãåèªã§ãããããæ§ã
ãªå¥åããããŸããããã以äžã«ç€ºããŸã:
* bf
* Brainf**k
* Brainf*ck
ãã®ããã«ãæ§ã
ãªå¥åã®ããã§ãæ
å ±ãæ¢ãããšãå°é£ã«ãªã£ãŠãããããŸãã
== 仿§ ==
=== èŠçŽ ===
Brainfuckã¯ä»¥äžã®ãã®ã§æããŸã:
* çŸåšã®ã¡ã¢ãªãæã瀺ãåœä»€ãã€ã³ã¿ãåæå€ã¯ã¡ã¢ãªã®å·Šç«¯ãæãã
* å°ãªããšã30000åã®èŠçŽ ãããã¡ã¢ãªãåæå€ã¯0ã
* å
¥åºåã®ã¹ããªãŒã ã
=== åœä»€ ===
Brainfuckã¯ã8ã€ã®åœä»€ãæã¡ãŸããåœä»€ã¯ä»¥äžã®éãã§ã:
{| class="wikitable"
|+ Brainfuckã®åœä»€ã»ãã
|-
! åœä»€ !! åäœ
|-
| <code>+</code> || çŸåšã®ã¡ã¢ãªãã€ã³ã¯ãªã¡ã³ãããã
|-
| <code>-</code> || çŸåšã®ã¡ã¢ãªããã¯ãªã¡ã³ãããã
|-
| <code>></code> || åœä»€ãã€ã³ã¿ã1ã€å³ã«ç§»åãããã
|-
| <code><</code> || åœä»€ãã€ã³ã¿ã1ã€å·Šã«ç§»åãããã
|-
| <code>.</code> || çŸåšã®ã¡ã¢ãªã®å€ãæåã³ãŒããšã¿ãªãåºåããã
|-
| <code>,</code> || å
¥åãæ±ããå
¥åãããå€ãçŸåšã®ã¡ã¢ãªã«ä»£å
¥ããã
|-
| <code>[</code> || çŸåšã®ã¡ã¢ãªã®å€ã0ãªãã察å¿ãã<code>]</code>ã«ãžã£ã³ãããã
|-
| <code>]</code> || çŸåšã®ã¡ã¢ãªã®å€ã0ã§ãªããªãã察å¿ãã<code>[</code>ã«ãžã£ã³ãããã
|}
ãŸããåœä»€ã§ãªãæåã¯ç¡èŠãããŸãã
== Hello world ==
Brainfuckã«ããããããŒã¯ãŒã«ãããã°ã©ã ã以äžã«ç€ºããŸãã
<syntaxhighlight lang="brainfuck">
++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.
</syntaxhighlight>
== å®è£
==
Brainfuckãå©çšããã«ã¯ããœãããŠã§ã¢ãã€ã³ã¹ããŒã«ããã»ãã«ããã©ãŠã¶ã§å®è¡ããæ¹æ³ããããŸãã以äžã¯ãã®äžäŸã§ãã
* [https://copy.sh/brainfuck/ El Brainfuck]
* [https://www.jdoodle.com/execute-brainfuck-online/ Online Brainf**k Compiler]
* [http://moon.kmc.gr.jp/~prime/brainf_ck/env/ ãªã³ã©ã€ã³brainf*ckãããã¬] æ¥æ¬èªã§ã!
== Brainfuckã®å®æ° ==
=== è±æ°å ===
==== 0(48) ====
<syntaxhighlight lang="bf">
+++++++[>+++++++<-]>-
</syntaxhighlight>
==== 1(49) ====
<syntaxhighlight lang="bf">
+++++++[>+++++++<-]>
</syntaxhighlight>
==== 2(50) ====
<syntaxhighlight lang="bf">
+++++++[>+++++++<-]>+
</syntaxhighlight>
==== 3(51) ====
<syntaxhighlight lang="bf">
+++++[>++++++++++<-]>++
</syntaxhighlight>
==== 4(52) ====
<syntaxhighlight lang="bf">
++++[>++++++++++++<-]>
</syntaxhighlight>
==== 5(53) ====
<syntaxhighlight lang="bf">
++++[>+++++++++++++<-]>+
</syntaxhighlight>
==== 6(54) ====
<syntaxhighlight lang="bf">
+++++[>+++++++++++<-]>-
</syntaxhighlight>
==== 7(55) ====
<syntaxhighlight lang="bf">
+++++++[>++++++++<-]>-
</syntaxhighlight>
==== 8(56) ====
<syntaxhighlight lang="bf">
+++++++[>++++++++<-]>
</syntaxhighlight>
==== 9(57) ====
<syntaxhighlight lang="bf">
+++++++[>++++++++<-]>+
</syntaxhighlight>
=== ã¢ã«ãã¡ãããã»å€§æå ===
==== A(65) ====
<syntaxhighlight lang="brainfuck">
>+[+[<]>>+<+]>
</syntaxhighlight>
==== B(66) ====
<syntaxhighlight lang="brainfuck">
--[++>+[<]>+]>
</syntaxhighlight>
==== C(67) ====
<syntaxhighlight lang="brainfuck">
+[->-[--<]>-]>
</syntaxhighlight>
==== D(68) ====
<syntaxhighlight lang="brainfuck">
+[->-[--<]>-]>+
</syntaxhighlight>
==== E(69) ====
<syntaxhighlight lang="brainfuck">
+[->-[--<]>-]>++
</syntaxhighlight>
==== F(70) ====
<syntaxhighlight lang="brainfuck">
-[+[>---<<]>+]>
</syntaxhighlight>
==== G(71) ====
<syntaxhighlight lang="brainfuck">
-[>+<-------]>--
</syntaxhighlight>
==== H(72) ====
<syntaxhighlight lang="brainfuck">
-[>+<-------]>-
</syntaxhighlight>
==== I(73) ====
<syntaxhighlight lang="brainfuck">
-[>+<-------]>
</syntaxhighlight>
==== J(74) ====
<syntaxhighlight lang="brainfuck">
-[>+<-------]>+
</syntaxhighlight>
==== K(75) ====
<syntaxhighlight lang="brainfuck">
-[>+<-------]>++
</syntaxhighlight>
==== L(76) ====
<syntaxhighlight lang="brainfuck">
>+[+<[-<]>>++]<
</syntaxhighlight>
==== M(77) ====
<syntaxhighlight lang="brainfuck">
>+++[[-<]>>--]<
</syntaxhighlight>
==== N(78) ====
<syntaxhighlight lang="brainfuck">
+[+[>>+<+<-]>]>
</syntaxhighlight>
==== O(79) ====
<syntaxhighlight lang="brainfuck">
-[+>++[++<]>]>-
</syntaxhighlight>
==== P(80) ====
<syntaxhighlight lang="brainfuck">
-[+>++[++<]>]>
</syntaxhighlight>
==== Q(81) ====
<syntaxhighlight lang="brainfuck">
-[>+<---]>----
</syntaxhighlight>
==== R(82) ====
<syntaxhighlight lang="brainfuck">
-[>+<---]>---
</syntaxhighlight>
==== S(83) ====
<syntaxhighlight lang="brainfuck">
-[>+<---]>--
</syntaxhighlight>
==== T(84) ====
<syntaxhighlight lang="brainfuck">
-[>+<---]>-
</syntaxhighlight>
==== U(85) ====
<syntaxhighlight lang="brainfuck">
-[>+<---]>
</syntaxhighlight>
==== V(86) ====
<syntaxhighlight lang="brainfuck">
-[>+<---]>+
</syntaxhighlight>
==== W(87) ====
<syntaxhighlight lang="brainfuck">
-[>+<---]>++
</syntaxhighlight>
==== X(88) ====
<syntaxhighlight lang="brainfuck">
-[+[+<]>>+]<
</syntaxhighlight>
==== Y(89) ====
<syntaxhighlight lang="brainfuck">
-[+[+<]>>+]<+
</syntaxhighlight>
==== Z(90) ====
<syntaxhighlight lang="brainfuck">
-[+[+<]>>+]<++
</syntaxhighlight>
{{stub}}
[[Category:ããã°ã©ãã³ã°èšèª]] | null | 2022-07-07T08:00:15Z | [
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/Brainfuck |
31,970 | JavaScript/å奿§é | JavaScriptã¯å€§æåãšå°æåãåºå¥ããŸããã€ãŸããHello()ã¯HELLO()ãhello()ãããã«ã¯hEllo()ãšã¯åãã§ã¯ãããŸããã
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以äžã¯ããã¯ã€ãã¹ããŒã¹ãã»ãšãã©ãªãJavaScriptã§ãã
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žåçãªéã®ãã¯ã€ãã¹ããŒã¹ãå ãããã®ã§ãã
以äžã¯ãåãJavaScriptã空çœãå€ãããŠè¡šç€ºãããã®ã§ãã
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JSDocã¯ãJavaScriptã®ã³ãŒãå
ã«ããã¥ã¡ã³ããŒã·ã§ã³ã³ã¡ã³ããèšè¿°ããããã®ããŒã«ã§ããJSDocã䜿çšããããšã§ãJavaScriptã®é¢æ°ãã¯ã©ã¹ãã¡ãœãããªã©ã®ããã¥ã¡ã³ããŒã·ã§ã³ãèªååããããã¥ã¡ã³ãçæããŒã«ãªã©ã§åºåããããšãã§ããŸãã
JSDocã¯ã以äžã®ãããªåœ¢åŒã§ã³ã¡ã³ããèšè¿°ããŸãã
ãŸãã颿°ãã¡ãœããã®åŒæ°ãæ»ãå€ã®åãæå®ããããšãã§ããŸãã
ãã®ããã«ãJSDocã䜿çšããããšã§ãã³ãŒãå
ã«èªå·±å®çµçãªããã¥ã¡ã³ããŒã·ã§ã³ãèšè¿°ããããšãã§ããŸãããŸããJSDocã«å¯Ÿå¿ããããã¥ã¡ã³ãçæããŒã«ã䜿çšããããšã§ãç°¡åã«èªã¿ãããããã¥ã¡ã³ããçæããããšãã§ããŸãã
以äžã¯ãã¯ã©ã¹æ§æã䜿ããã«è€çŽ æ°ã¯ã©ã¹ãäœæããäŸã§ããJSDocã䜿çšããŠãã³ãŒãã®æå³ã説æããŸãã
ãã®ã³ãŒãã§ã¯ãComplexãšãã颿°ãå®çŸ©ããŠããŸãããã®é¢æ°ã¯ãrealãšimagãšãã2ã€ã®åŒæ°ãåãåããããããããããã£ãšããŠæã€ãªããžã§ã¯ããè¿ããŸãããŸããComplexã®ãããã¿ã€ãã«ãaddãsubãmulãabsãšãã£ãã¡ãœãããå®çŸ©ããŠããŸãã
ããããã®ã¡ãœããã«ã¯ãJSDocã§èª¬æã远å ããŠããŸããäŸãã°ãaddã¡ãœããã«ã¯ãåŒæ°ãšããŠComplexåã®ãªããžã§ã¯ããåãåããæ»ãå€ãšããŠãComplexåã®ãªããžã§ã¯ããè¿ããšããããšã瀺ã@paramãš@returnsãå«ãŸããŠããŸãã
ãã®ããã«JSDocã䜿çšããããšã§ãã³ãŒãã®æå³ãæç¢ºã«ããããšãã§ããŸãã
å€ãã®ã³ã³ãã¥ãŒã¿èšèªã§ã¯ãåã³ãŒãæã®æåŸã«ã»ãã³ãã³ãå¿
èŠã§ããJavaScriptã§ã¯ã»ãã³ãã³ã®äœ¿çšã¯ä»»æã§ãæ¹è¡ããããšã§æã®çµããã瀺ããŸããããã¯ã»ãã³ãã³ã®èªåæ¿å
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ãšè§£éããã®ã§ã¯ãªããæ¬¡ã®ããã«è§£éããããšãæå³ããŠããã®ãããããŸããã
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åãããŒãªã¢ã³ã®ãªãã©ã«ããªããžã§ã¯ããªãã©ã«ãªã©ããããŸãã
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ãããã®åã®è©³çްã«ã€ããŠã¯ã倿°ã§èª¬æããŠããŸãã
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åã颿°ãªã©ã®ããŒã¿ã®äžéšã衚ãååã§ããã«ãŒã«ããããŸãã
æå¹ãªèå¥åã®äŸã§ãã
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倿°ã®ååãã€ããã«ããã£ãŠãããã€ãã®ã«ãŒã«ããããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "JavaScriptã¯å€§æåãšå°æåãåºå¥ããŸããã€ãŸããHello()ã¯HELLO()ãhello()ãããã«ã¯hEllo()ãšã¯åãã§ã¯ãããŸããã",
"title": "倧æåå°æåã®åºå¥"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ãã¯ã€ãã¹ããŒã¹ãšã¯ãäœåãªã€ã³ãã³ããæ¹è¡ãã¹ããŒã¹ã®ããšã§ããJavaScriptã§ã¯ç¡èŠãããŸãããã³ãŒããèªã¿ãããããããã«äœ¿ãããŸãã",
"title": "ãã¯ã€ãã¹ããŒã¹"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "以äžã¯ããã¯ã€ãã¹ããŒã¹ãã»ãšãã©ãªãJavaScriptã§ãã",
"title": "ãã¯ã€ãã¹ããŒã¹"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "以äžã¯ãåãJavaScriptã«å
žåçãªéã®ãã¯ã€ãã¹ããŒã¹ãå ãããã®ã§ãã",
"title": "ãã¯ã€ãã¹ããŒã¹"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "以äžã¯ãåãJavaScriptã空çœãå€ãããŠè¡šç€ºãããã®ã§ãã",
"title": "ãã¯ã€ãã¹ããŒã¹"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "ã³ã¡ã³ãã䜿ããšãä»ã®äººãã³ãŒããçè§£ããããããã«ã³ãŒãã«ã¡ã¢ãæ®ãããšãã§ããŸãããŸããããŒãµãŒããã¯é ããããåé€ããããªãã³ãŒããã³ã¡ã³ãã¢ãŠãããããšãã§ããŸãã",
"title": "ã³ã¡ã³ã"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "JSDocã¯ãJavaScriptã®ã³ãŒãå
ã«ããã¥ã¡ã³ããŒã·ã§ã³ã³ã¡ã³ããèšè¿°ããããã®ããŒã«ã§ããJSDocã䜿çšããããšã§ãJavaScriptã®é¢æ°ãã¯ã©ã¹ãã¡ãœãããªã©ã®ããã¥ã¡ã³ããŒã·ã§ã³ãèªååããããã¥ã¡ã³ãçæããŒã«ãªã©ã§åºåããããšãã§ããŸãã",
"title": "ã³ã¡ã³ã"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "JSDocã¯ã以äžã®ãããªåœ¢åŒã§ã³ã¡ã³ããèšè¿°ããŸãã",
"title": "ã³ã¡ã³ã"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "ãŸãã颿°ãã¡ãœããã®åŒæ°ãæ»ãå€ã®åãæå®ããããšãã§ããŸãã",
"title": "ã³ã¡ã³ã"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "ãã®ããã«ãJSDocã䜿çšããããšã§ãã³ãŒãå
ã«èªå·±å®çµçãªããã¥ã¡ã³ããŒã·ã§ã³ãèšè¿°ããããšãã§ããŸãããŸããJSDocã«å¯Ÿå¿ããããã¥ã¡ã³ãçæããŒã«ã䜿çšããããšã§ãç°¡åã«èªã¿ãããããã¥ã¡ã³ããçæããããšãã§ããŸãã",
"title": "ã³ã¡ã³ã"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "以äžã¯ãã¯ã©ã¹æ§æã䜿ããã«è€çŽ æ°ã¯ã©ã¹ãäœæããäŸã§ããJSDocã䜿çšããŠãã³ãŒãã®æå³ã説æããŸãã",
"title": "ã³ã¡ã³ã"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "ãã®ã³ãŒãã§ã¯ãComplexãšãã颿°ãå®çŸ©ããŠããŸãããã®é¢æ°ã¯ãrealãšimagãšãã2ã€ã®åŒæ°ãåãåããããããããããã£ãšããŠæã€ãªããžã§ã¯ããè¿ããŸãããŸããComplexã®ãããã¿ã€ãã«ãaddãsubãmulãabsãšãã£ãã¡ãœãããå®çŸ©ããŠããŸãã",
"title": "ã³ã¡ã³ã"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "ããããã®ã¡ãœããã«ã¯ãJSDocã§èª¬æã远å ããŠããŸããäŸãã°ãaddã¡ãœããã«ã¯ãåŒæ°ãšããŠComplexåã®ãªããžã§ã¯ããåãåããæ»ãå€ãšããŠãComplexåã®ãªããžã§ã¯ããè¿ããšããããšã瀺ã@paramãš@returnsãå«ãŸããŠããŸãã",
"title": "ã³ã¡ã³ã"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "ãã®ããã«JSDocã䜿çšããããšã§ãã³ãŒãã®æå³ãæç¢ºã«ããããšãã§ããŸãã",
"title": "ã³ã¡ã³ã"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "å€ãã®ã³ã³ãã¥ãŒã¿èšèªã§ã¯ãåã³ãŒãæã®æåŸã«ã»ãã³ãã³ãå¿
èŠã§ããJavaScriptã§ã¯ã»ãã³ãã³ã®äœ¿çšã¯ä»»æã§ãæ¹è¡ããããšã§æã®çµããã瀺ããŸããããã¯ã»ãã³ãã³ã®èªåæ¿å
¥ãšåŒã°ãããã®ã§ããã®ã«ãŒã«ã¯ããªãè€éã§ãã ã»ãã³ãã³ãçãããŒãµãŒãèªåçã«ã»ãã³ãã³ãæ¿å
¥ããããã«ãããšè€éãªåé¡ãçããŸãã",
"title": "ã»ãã³ãã³"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "äžèšã®ã³ãŒãã¯ã2ã€ã®ã¹ããŒãã¡ã³ããšããŠè§£éãããŸããã2è¡ç®ã«æ¬åŒ§ããããããJavaScriptã¯äžèšã以äžã®ããã«è§£éããŸãã",
"title": "ã»ãã³ãã³"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "ãšè§£éããã®ã§ã¯ãªããæ¬¡ã®ããã«è§£éããããšãæå³ããŠããã®ãããããŸããã",
"title": "ã»ãã³ãã³"
},
{
"paragraph_id": 17,
"tag": "p",
"text": "ã»ãã³ãã³ã¯ä»»æã§ããã誀解ãæããªãããã«ãæã®æåŸã«ã¯ã»ãã³ãã³ãä»ããã®ãæãŸããã§ãã",
"title": "ã»ãã³ãã³"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "ãªãã©ã«ãšã¯ãããŒãã³ãŒããããå€ã®ããšã§ãããªãã©ã«ã¯ã¹ã¯ãªããã®äžã§ç¹å®ã®å€ã衚çŸããææ®µãšãªããŸããäŸãã°ä»£å
¥ã®å³èŸºã«ã¯æ¬¡ã®ãããªãã®ããããŸãã",
"title": "ãªãã©ã«"
},
{
"paragraph_id": 19,
"tag": "p",
"text": "ãªãã©ã«ã«ã¯ããã€ãã®çš®é¡ããããŸããæãäžè¬çãªã®ã¯æååãªãã©ã«ã§ãããä»ã«ãæŽæ°ãæµ®åå°æ°ç¹ã®ãªãã©ã«ã鷿޿°ã®ãªãã©ã«ãé
åãããŒãªã¢ã³ã®ãªãã©ã«ããªããžã§ã¯ããªãã©ã«ãªã©ããããŸãã",
"title": "ãªãã©ã«"
},
{
"paragraph_id": 20,
"tag": "p",
"text": "ãªããžã§ã¯ããªãã©ã«ã®äŸ",
"title": "ãªãã©ã«"
},
{
"paragraph_id": 21,
"tag": "p",
"text": "ãããã®åã®è©³çްã«ã€ããŠã¯ã倿°ã§èª¬æããŠããŸãã",
"title": "ãªãã©ã«"
},
{
"paragraph_id": 22,
"tag": "p",
"text": "èå¥åãšã¯ã倿°ãé
åã颿°ãªã©ã®ããŒã¿ã®äžéšã衚ãååã§ããã«ãŒã«ããããŸãã",
"title": "èå¥å"
},
{
"paragraph_id": 23,
"tag": "p",
"text": "æå¹ãªèå¥åã®äŸã§ãã",
"title": "èå¥å"
},
{
"paragraph_id": 24,
"tag": "p",
"text": "1A2B3Cã¯æ°åã§å§ãŸã£ãŠãããããç¡å¹ãªèå¥åã§ãã",
"title": "èå¥å"
},
{
"paragraph_id": 25,
"tag": "p",
"text": "倿°ã®ååãã€ããã«ããã£ãŠãããã€ãã®ã«ãŒã«ããããŸãã",
"title": "èå¥å"
}
]
| null | {{Nav}}
== å奿§é ==
ããã°ã©ãã³ã°èšèªã«ãããå奿§é ïŒLexical StructureïŒã¯ãããã°ã©ã ã®ããã¹ããæ§æããåºæ¬çãªèŠçŽ ãããŒã¯ã³ã®èŠåçãªé
眮ãæããŸããå奿§é ã¯ããã°ã©ã ã®è§£æã®åæ©ã§ãããããã°ã©ã ãçè§£ãããããæ©æ¢°ãåŠçãããã圢ã«å€æããŸãã以äžã¯ãå奿§é ã®äž»ãªèŠçŽ ã§ãïŒ
# ããŒã¯ã³ (Tokens): ããã°ã©ã ã®åºæ¬çãªæ§æèŠçŽ ã§ãã³ã³ãã€ã©ãã€ã³ã¿ããªã¿ãããã°ã©ã ãè§£æããéã«æ±ãæå°ã®åäœã§ããããŒã¯ã³ã«ã¯èå¥åãããŒã¯ãŒããæŒç®åããªãã©ã«ãªã©ãå«ãŸããŸãã
# èå¥å (Identifiers): 倿°ã颿°ãã¯ã©ã¹ãªã©ã®ååãæããŸããèå¥åã¯äžè¬ã«æåãŸãã¯ã¢ã³ããŒã¹ã³ã¢ã§å§ãŸãããã®åŸã«æåãæ°åãã¢ã³ããŒã¹ã³ã¢ãç¶ããŸãã
# ããŒã¯ãŒã (Keywords): ããã°ã©ã ã®æ§é ãåäœãæå®ããããã®äºçŽèªã§ããããŒã¯ãŒãã¯éåžžãç¹å¥ãªæå³ãæã¡ã倿°ã颿°åãšããŠäœ¿çšããããšã¯ã§ããŸããã
# ãªãã©ã« (Literals): ããŒã¿ã®å€ãã®ãã®ã衚çŸããããã®èšæ³ã§ããæ°å€ãªãã©ã«ãæååãªãã©ã«ãçåœå€ãªãã©ã«ãnullãªãã©ã«ãªã©ãå«ãŸããŸãã
# æŒç®å (Operators): å€ãçµã¿åãããŠæ°ããå€ãçæããããã®èšå·ãããŒã¯ãŒãã§ããç®è¡æŒç®åãæ¯èŒæŒç®åãè«çæŒç®åãªã©ããããŸãã
# ããªãã¿ (Delimiters): ããã°ã©ã å
ã®æ§é ãåºåãããã®ç¹æ®ãªèšå·ãæåã§ããäŸãã°ãæ¬åŒ§ <code>()</code>ãäžæ¬åŒ§ <code>{}</code>ãè§æ¬åŒ§ <code>[]</code> ãªã©ãããªãã¿ã§ãã
# ã³ã¡ã³ã (Comments): ããã°ã©ã å
ã§èª¬æãã¡ã¢ãæ®ãããã®ããã¹ãã§ãå®è¡æã«ã¯ç¡èŠãããŸããã³ã¡ã³ãã¯ãœãŒã¹ã³ãŒãã®èªã¿ããããåäžããã圹å²ããããŸãã
å奿§é ã¯éåžžãããã°ã©ã ãæ§æè§£æããéã«äœ¿çšãããæ£ç¢ºã§äžè²«æ§ã®ãã圢åŒã§ã³ãŒããæžãããã®åºç€ãæäŸããŸãããŸããã³ã³ãã€ã©ãã€ã³ã¿ããªã¿ã¯å奿§é ãçè§£ããŠã³ãŒããé©åã«åŠçããŸããå奿§é ã¯èšèªããšã«ç°ãªããŸãããå€ãã®ããã°ã©ãã³ã°èšèªã§å
±éã®èŠçŽ ãèŠãããŸãã
== JavaScriptã®å奿§é ==
JavaScriptã®å奿§é ã«ã¯ã以äžã«æããäž»ãªèŠçŽ ãå«ãŸããŸãïŒ
# ããŒã¯ã³ (Tokens): JavaScriptã®ããã°ã©ã ã¯ããŒã¯ã³ã«åå²ãããŸããããŒã¯ã³ã«ã¯ããã€ãã®çš®é¡ãããããããJavaScriptã®å奿§é ãæ§æããŸãã
# èå¥å (Identifiers): 倿°ã颿°ãã¯ã©ã¹ãªã©ã®ååãæãèå¥åã¯ãæåãŸãã¯ã¢ã³ããŒã¹ã³ã¢ã§å§ãŸãããã®åŸã«æåãæ°åãã¢ã³ããŒã¹ã³ã¢ãç¶ããŸãã
#:<syntaxhighlight lang=js>
const variableName = "example";
</syntaxhighlight>
# ããŒã¯ãŒã (Keywords): JavaScriptã«ã¯ç¹å®ã®æå³ãæã€äºçŽèªïŒããŒã¯ãŒãïŒããããŸããäŸãã°ã<code>if</code>ã<code>else</code>ã<code>function</code>ãªã©ããããŸãã
#:<syntaxhighlight lang=js>
if (condition) {
// code
} else {
// code
}
</syntaxhighlight>
# ãªãã©ã« (Literals): ããŒã¿ã®å€ãã®ãã®ã衚çŸããããã®èšæ³ã§ããJavaScriptã®äž»ãªãªãã©ã«ã«ã¯æ°å€ãªãã©ã«ãæååãªãã©ã«ãçåœå€ãªãã©ã«ãnullãªãã©ã«ãªã©ããããŸãã
#:<syntaxhighlight lang=js>
const numberLiteral = 42;
const stringLiteral = "Hello, World!";
const booleanLiteral = true;
const nullLiteral = null;
</syntaxhighlight>
# æŒç®å (Operators): æŒç®åã¯å€ãçµã¿åãããŠæ°ããå€ãçæããããã®èšå·ãããŒã¯ãŒãã§ããç®è¡æŒç®åãæ¯èŒæŒç®åãè«çæŒç®åãªã©ããããŸãã
#:<syntaxhighlight lang=js>
const result = 10 + 5; // ç®è¡æŒç®å
const isEqual = (result === 15); // æ¯èŒæŒç®å
</syntaxhighlight>
# ããªãã¿ (Delimiters): ããã°ã©ã å
ã®æ§é ãåºåãããã®ç¹æ®ãªèšå·ãæåã§ããæ¬åŒ§ <code>()</code>ãäžæ¬åŒ§ <code>{}</code>ãè§æ¬åŒ§ <code>[]</code> ãªã©ãããªãã¿ã§ãã
#:<syntaxhighlight lang=js>
function exampleFunction() {
const ary = [ 2, 3, 5, 7 ];
}
</syntaxhighlight>
# ã³ã¡ã³ã (Comments): ããã°ã©ã å
ã§èª¬æãã¡ã¢ãæ®ãããã®ããã¹ãã§ãå®è¡æã«ã¯ç¡èŠãããŸããã³ã¡ã³ãã¯ãœãŒã¹ã³ãŒãã®èªã¿ããããåäžããã圹å²ããããŸãã
ãããã®èŠçŽ ãçµã¿åããããJavaScriptã®ããã°ã©ã ãæ§æããŸããå奿§é ã¯éåžžãJavaScriptãšã³ãžã³ãããã°ã©ã ãè§£æããéã«äœ¿çšãããæ£ç¢ºã§äžè²«æ§ã®ãã圢åŒã§ã³ãŒããæžãããã®åºç€ãšãªããŸãã
=== Lexical grammarïŒå奿§æïŒ ===
JavaScriptã®ãœãŒã¹ããã¹ãã¯æåã®é£ç¶ã§ãããè§£éåšãçè§£ããããã«ã¯ãæååãããæ§é çãªè¡šçŸã«è§£æããå¿
èŠããããŸããè§£æã®æåã®ã¹ãããã¯åå¥è§£æãšåŒã°ããããã¹ãã¯å·Šããå³ã«ã¹ãã£ã³ãããåã
ã®å
¥åèŠçŽ ã®ã·ãŒã±ã³ã¹ã«å€æãããŸããäžéšã®å
¥åèŠçŽ ã¯è§£éåšã«ãšã£ãŠéèŠã§ãªãããã®ã¹ãããã®åŸã«åé€ãããŸããããã«ã¯ç©ºçœãã³ã¡ã³ããå«ãŸããŸãããã以å€ã®èŠçŽ ïŒèå¥åãããŒã¯ãŒãããªãã©ã«ãåºåãåãªã©ïŒã¯æ§æè§£æã®ããã«äœ¿çšãããŸããè¡ã®çµç«¯åãšè€æ°è¡ã³ã¡ã³ããæ§æçã«ã¯ç¡èŠãããŸãããèªåã»ãã³ãã³æ¿å
¥ã®ããã»ã¹ã«åœ±é¿ãäžããäžéšã®ç¡å¹ãªããŒã¯ã³ã·ãŒã±ã³ã¹ãæå¹ã«ãªããŸãã
=== Format-control charactersïŒãã©ãŒãããå¶åŸ¡æåïŒ ===
ãã©ãŒãããå¶åŸ¡æåã«ã¯èŠèŠçãªè¡šçŸããªããããã¹ãã®è§£éãå¶åŸ¡ããããã«äœ¿çšãããŸãã
:{| class="wikitable"
|+ Format-control charactersïŒãã©ãŒãããå¶åŸ¡æåïŒ
!Code point
!Name
!Abbreviation
!Description
|-
|U+200C
|Zero width non-joiner
|<ZWNJ>
|ç¹å®ã®èšèªã§ãªã¬ãã£ã«çµåãããªãããã«æåã®éã«é
眮ïŒWikipediaïŒã
|-
|U+200D
|Zero width joiner
|<ZWJ>
|ç¹å®ã®èšèªã§éåžžã¯çµåãããªãæåã®éã«é
眮ããæåãçµå圢åŒã§ã¬ã³ããªã³ã°ïŒWikipediaïŒã
|-
|U+FEFF
|Byte order mark
|<BOM>
|ã¹ã¯ãªããã®å
é ã«äœ¿çšãããUnicodeãšããã¹ãã®ãã€ãé åºã瀺ãïŒWikipediaïŒã
|}
JavaScriptã®ãœãŒã¹ããã¹ãã§ã¯ã<ZWNJ>ãš<ZWJ>ã¯èå¥åã®äžéšãšããŠæ±ããã<BOM>ïŒããã¹ãã®å
é ã§ã¯ãªãå Žåã¯ãŒãå¹
ããŒãã¬ãŒã¯ã¹ããŒã¹<ZWNBSP>ãšãåŒã°ããŸãïŒã¯ç©ºçœãšããŠæ±ãããŸãã
=== White spaceïŒç©ºçœæåïŒ ===
ç©ºçœæåã¯ãœãŒã¹ããã¹ãã®å¯èªæ§ãåäžãããããŒã¯ã³ãåºåããŸãããããã®æåã¯éåžžãã³ãŒãã®æ©èœã«ã¯å¿
èŠãããŸãããããŒã¿è»¢ééãåæžããããã«ç©ºçœãåé€ããããã«ã¯ããã°ãã°ãããã¡ã€ã±ãŒã·ã§ã³ããŒã«ã䜿çšãããŸãã
:{| class="wikitable"
|+ White spaceïŒç©ºçœæåïŒ
!Code point
!Name
!Abbreviation
!Description
!Escape sequence
|-
|U+0009
|Character tabulation
|<TAB>
|æ°Žå¹³ã¿ã
|\t
|-
|U+000B
|Line tabulation
|<VT>
|åçŽã¿ã
|\v
|-
|U+000C
|Form feed
|<FF>
|ããŒãžåºåãå¶åŸ¡æåïŒWikipediaïŒ
|\f
|-
|U+0020
|Space
|<SP>
|éåžžã®ã¹ããŒã¹
|
|-
|U+00A0
|No-break space
|<NBSP>
|éåžžã®ã¹ããŒã¹ã ããè¡ãåæãããªããã€ã³ãããªã
|
|-
|U+FEFF
|Zero-width no-break space
|<ZWNBSP>
|ã¹ã¯ãªããã®å
é ã§äœ¿çšãããå ŽåãBOMããŒã«ãŒã¯éåžžã®ç©ºçœæåãšèŠãªãããŸãã
|
|}
ä»ã®Unicodeã¹ããŒã¹æåïŒ"Space_Separator"ã«ããŽãªãªã©ïŒã¯ãéåžžã®ã¹ããŒã¹ãšããŠæ©èœããŸãã
=== Line terminatorsïŒè¡ã®çµç«¯åïŒ ===
è¡ã®çµç«¯åã¯ãããã°ã©ã å
ã§è¡ã®çµããã瀺ãããã«äœ¿çšãããŸããè¡ã®çµç«¯åã¯CRïŒCarriage ReturnãU+000DïŒãLFïŒLine FeedãU+000AïŒãCRLFïŒCR + LFïŒã®ããããã§æ§æãããŸããJavaScriptã§ã¯ããããã®çµç«¯åã¯ã»ãšãã©åçãšèŠãªãããŸãã
=== CommentsïŒã³ã¡ã³ãïŒ ===
JavaScriptã§ã¯ãã³ã¡ã³ãã¯ããã°ã©ã å
ã§èª¬æãã¡ã¢ãæ®ãããã«äœ¿çšãããŸããã³ã¡ã³ãã¯å®è¡æã«ã¯ç¡èŠãããã³ãŒãã®è§£éãå®è¡ã«ã¯åœ±é¿ãäžããŸãããã³ã¡ã³ãã¯ä»¥äžã®2ã€ã®åœ¢åŒããããŸãã
* åäžè¡ã³ã¡ã³ã (<code>//</code>): <code>//</code> ããè¡ã®çµãããŸã§ãã³ã¡ã³ããšããŠæ±ãããŸãã
*:<syntaxhighlight lang=js>
// ããã¯åäžè¡ã³ã¡ã³ãã§ã
var x = 5; // ã³ãŒãã®æ«å°Ÿã«ãã³ã¡ã³ãã远å ã§ããŸã
</syntaxhighlight>
* è€æ°è¡ã³ã¡ã³ã (<code>/* */</code>): <code>/*</code> ã§å§ãŸãã<code>*/</code> ã§çµããç¯å²ãã³ã¡ã³ããšããŠæ±ãããŸãã
*:<syntaxhighlight lang=js>
/*
ããã¯
è€æ°è¡ã®
ã³ã¡ã³ãã§ã
*/
var y = 10;
</syntaxhighlight>
==== JSDoc ====
{{Wikipedia|JSDoc}}
{{Main|JSDoc}}
JSDocã¯ãJavaScriptã®ã³ãŒãå
ã«ããã¥ã¡ã³ããŒã·ã§ã³ã³ã¡ã³ããèšè¿°ããããã®ããŒã«ã§ããJSDocã䜿çšããããšã§ãJavaScriptã®é¢æ°ãã¯ã©ã¹ãã¡ãœãããªã©ã®ããã¥ã¡ã³ããŒã·ã§ã³ãèªååããããã¥ã¡ã³ãçæããŒã«ãªã©ã§åºåããããšãã§ããŸãã
JSDocã¯ã以äžã®ãããªåœ¢åŒã§ã³ã¡ã³ããèšè¿°ããŸãã
:<syntaxhighlight lang=js>
/**
* ããã«ã³ã¡ã³ããèšè¿°ããŸãã
*/
</syntaxhighlight>
ãŸãã颿°ãã¡ãœããã®åŒæ°ãæ»ãå€ã®åãæå®ããããšãã§ããŸãã
:<syntaxhighlight lang=js>
/**
* @param {string} name - åå
* @param {number} age - 幎霢
* @return {string} - ã¡ãã»ãŒãž
*/
function sayHello(name, age) {
return `ããã«ã¡ã¯ã${name}ãããããªãã¯${age}æ³ã§ããã`;
}
</syntaxhighlight>
ãã®ããã«ãJSDocã䜿çšããããšã§ãã³ãŒãå
ã«èªå·±å®çµçãªããã¥ã¡ã³ããŒã·ã§ã³ãèšè¿°ããããšãã§ããŸãããŸããJSDocã«å¯Ÿå¿ããããã¥ã¡ã³ãçæããŒã«ã䜿çšããããšã§ãç°¡åã«èªã¿ãããããã¥ã¡ã³ããçæããããšãã§ããŸãã
以äžã¯ãã¯ã©ã¹æ§æã䜿ããã«è€çŽ æ°ã¯ã©ã¹ãäœæããäŸã§ããJSDocã䜿çšããŠãã³ãŒãã®æå³ã説æããŸãã
:<syntaxhighlight lang=js>
/**
* è€çŽ æ°ã¯ã©ã¹
* @param {number} real å®éš
* @param {number} imag èéš
*/
function Complex(real, imag) {
this.real = real;
this.imag = imag;
}
/**
* è€çŽ æ°ã®å ç®
* @param {Complex} other å ç®ããè€çŽ æ°
* @returns {Complex} å ç®çµæã®è€çŽ æ°
*/
Complex.prototype.add = function(other) {
return new Complex(this.real + other.real, this.imag + other.imag);
};
/**
* è€çŽ æ°ã®æžç®
* @param {Complex} other æžç®ããè€çŽ æ°
* @returns {Complex} æžç®çµæã®è€çŽ æ°
*/
Complex.prototype.sub = function(other) {
return new Complex(this.real - other.real, this.imag - other.imag);
};
/**
* è€çŽ æ°ã®ç©
* @param {Complex} other ä¹ç®ããè€çŽ æ°
* @returns {Complex} ä¹ç®çµæã®è€çŽ æ°
*/
Complex.prototype.mul = function(other) {
return new Complex(this.real * other.real - this.imag * other.imag, this.real * other.imag + this.imag * other.real);
};
/**
* è€çŽ æ°ã®çµ¶å¯Ÿå€
* @returns {number} è€çŽ æ°ã®çµ¶å¯Ÿå€
*/
Complex.prototype.abs = function() {
return Math.hypot(this.real, this.imag);
};
</syntaxhighlight>
ãã®ã³ãŒãã§ã¯ãComplexãšãã颿°ãå®çŸ©ããŠããŸãããã®é¢æ°ã¯ãrealãšimagãšãã2ã€ã®åŒæ°ãåãåããããããããããã£ãšããŠæã€ãªããžã§ã¯ããè¿ããŸãããŸããComplexã®ãããã¿ã€ãã«ãaddãsubãmulãabsãšãã£ãã¡ãœãããå®çŸ©ããŠããŸãã
ããããã®ã¡ãœããã«ã¯ãJSDocã§èª¬æã远å ããŠããŸããäŸãã°ãaddã¡ãœããã«ã¯ãåŒæ°ãšããŠComplexåã®ãªããžã§ã¯ããåãåããæ»ãå€ãšããŠãComplexåã®ãªããžã§ã¯ããè¿ããšããããšã瀺ã@paramãš@returnsãå«ãŸããŠããŸãã
ãã®ããã«JSDocã䜿çšããããšã§ãã³ãŒãã®æå³ãæç¢ºã«ããããšãã§ããŸãã
=== IdentifiersïŒèå¥åïŒ ===
èå¥åã¯å€æ°ã颿°ãªã©ã®ååãèå¥ããããã«äœ¿çšãããŸããèå¥åã®ååã¯æåãæ°åãã¢ã³ããŒã¹ã³ã¢ããŸãã¯ãã«èšå·ã§å§ããããšãã§ããŸããäºçŽèªã¯èå¥åãšããŠäœ¿çšã§ããŸãããèå¥åã®å
é ã«æ°åã¯äœ¿ããŸããã
=== KeywordsïŒããŒã¯ãŒãïŒ ===
JavaScriptã«ã¯ç¹å¥ãªçšéã®ããã«äºçŽãããããŒã¯ãŒãããããŸãããããã®ããŒã¯ãŒãã¯ããã°ã©ã ã®æ§æã«ãããŠç¹å¥ãªåœ¹å²ãæãããŸããäžéšã®ããŒã¯ãŒãã¯ECMAScriptã®å°æ¥ã®ããŒãžã§ã³ã§è¿œå ããããããããŸããã
代衚çãªããŒã¯ãŒã:
* <code>var</code>, <code>let</code>, <code>const</code>: 倿°ã®å®£èš
* <code>function</code>: 颿°ã®å®£èš
* <code>if</code>, <code>else</code>: æ¡ä»¶åå²
* <code>for</code>, <code>while</code>: ã«ãŒã
=== Reserved WordsïŒäºçŽèªïŒ ===
äžéšã®åèªã¯å°æ¥ã®JavaScriptããŒãžã§ã³ã§ç¹å¥ãªåœ¹å²ãå²ãåœãŠãããå¯èœæ§ããããããäºçŽèªãšããŠæå®ãããŠããŸãããããã®åèªã¯éåžžã®èå¥åãšããŠäœ¿çšã§ããŸããã
äŸ: <code>class</code>, <code>enum</code>, <code>implements</code>, <code>package</code> ãªã©
=== ãªãã©ã«ïŒLiteralsïŒ ===
JavaScriptã«ã¯ããŸããŸãªãªãã©ã«ããããŸãã以äžã¯ãäž»ãªãªãã©ã«ã®çš®é¡ã§ãã
# æ°å€ãªãã©ã«ïŒNumeric LiteralsïŒ:
#* æŽæ°ãªãã©ã«: <code>10</code>, <code>-5</code>, <code>1000</code> ãªã©
#* æµ®åå°æ°ç¹æ°ãªãã©ã«: <code>3.14</code>, <code>-0.5</code>, <code>2.0</code> ãªã©
#* ææ°è¡šèš: <code>5e2</code> (5 * 10^2), <code>1.5e-3</code> (1.5 * 10^(-3)) ãªã©
# æååãªãã©ã«ïŒString LiteralsïŒ:
#* ã·ã³ã°ã«ã¯ã©ãŒãã§å²ãŸããæåå: <code>'Hello, world!'</code>
#* ããã«ã¯ã©ãŒãã§å²ãŸããæåå: <code>"JavaScript"</code>
# çåœå€ãªãã©ã«ïŒBoolean LiteralsïŒ:
#* <code>true</code>: ç
#* <code>false</code>: åœ
# null ãªãã©ã«:
#* <code>null</code>: ãã«ã衚ãç¹å¥ãªå€
# undefined ãªãã©ã«:
#* <code>undefined</code>: æªå®çŸ©ã衚ãç¹å¥ãªå€
# ãªããžã§ã¯ããªãã©ã«ïŒObject LiteralsïŒ:
#* <code>{}</code>: 空ã®ãªããžã§ã¯ã
#* <code>{ key: value }</code>: ããããã£ãå«ãŸãããªããžã§ã¯ã
#:<syntaxhighlight lang=js>
var person = {
name: 'John',
age: 25
};
</syntaxhighlight>
# é
åãªãã©ã«ïŒArray LiteralsïŒ:
#* <code>[]</code>: 空ã®é
å
#* <code>[1, 2, 3]</code>: èŠçŽ ãå«ãŸããé
å
#:<syntaxhighlight lang=js>
var numbers = [1, 2, 3, 4, 5];
</syntaxhighlight>
# 颿°ãªãã©ã«ïŒFunction LiteralsïŒ:
#* 颿°ã®å®çŸ©
#:<syntaxhighlight lang=js>
var add = function(x, y) {
return x + y;
};
</syntaxhighlight>
# æ£èŠè¡šçŸãªãã©ã«ïŒRegExp LiteralsïŒ:
#* æ£èŠè¡šçŸãã¿ãŒã³ã®å®çŸ©
#:<syntaxhighlight lang=js>
var pattern = /\w+/g;
</syntaxhighlight>
ãããã®ãªãã©ã«ã¯JavaScriptã§ã®å€ã®è¡šçŸã«äœ¿çšãããã³ãŒãå
ã§çŽæ¥å€ãæå®ã§ããŸãã
以äžãJavaScriptã®åå¥èŠçŽ ã«é¢ããæŠèŠã§ããããã«ã¯ä»ã«ãããŸããŸãªèŠçŽ ããããŸãããåºæ¬çãªçè§£ãæäŸãããã®ãšãªã£ãŠããŸãã
== ã»ãã³ãã³ã®èªåæ¿å
¥ ==
JavaScriptã§ã¯ãéåžžãæã®çµããã«ã»ãã³ãã³ïŒ<code>;</code>ïŒãèšè¿°ããããšãæåŸ
ãããŸãããJavaScriptãšã³ãžã³ã¯ããã€ãã®å Žåã«ãããŠãã»ãã³ãã³ãèªåæ¿å
¥ããæ©èœããããŸããããã¯ããAutomatic Semicolon Insertion (ASI)ããšåŒã°ããŸãã
ASIã®åºæ¬çãªã«ãŒã«ã¯æ¬¡ã®éãã§ãïŒ
# è¡æ«ã«éãããšãããããã¯æãæ¬¡ã®ãã®ã®å§ãŸãäœçœ®ã«å°éãããšãã«ã»ãã³ãã³ããªãå ŽåãJavaScriptãšã³ãžã³ã¯ã»ãã³ãã³ãæ¿å
¥ããããšããŸãã
# ã»ãã³ãã³ã®æ¿å
¥ã¯ã次ã®ããŒã¯ã³ã®ãã¡ã®ã²ãšã€ãå§ãŸãå Žåã«è¡ãããŸãïŒ
#* è¡æ«
#* <code>}</code>ïŒéãäžæ¬åŒ§ïŒ
#* <code>)</code>ïŒéãäžžæ¬åŒ§ïŒ
#* <code>]</code>ïŒéãè§æ¬åŒ§ïŒ
#* <code>++</code>ïŒã€ã³ã¯ãªã¡ã³ãæŒç®åïŒ
#* <code>--</code>ïŒãã¯ãªã¡ã³ãæŒç®åïŒ
#* <code>+</code>ïŒåé
ãã©ã¹ïŒ
#* <code>-</code>ïŒåé
ãã€ãã¹ïŒ
#* <code>~</code>ïŒãããå転æŒç®åïŒ
#* <code>!</code>ïŒè«çåŠå®æŒç®åïŒ
#* <code>await</code>ïŒ<code>await</code>åŒå
ïŒ
äŸãã°ã以äžã®ã³ãŒãã§ã¯ã»ãã³ãã³ãèªåçã«æ¿å
¥ãããŸãïŒ
:<syntaxhighlight lang=js>
function add(a, b) {
return
a + b;
}
// äžèšã³ãŒãã¯å®éã«ã¯ä»¥äžã®ããã«è§£éããã
/*
function add(a, b) {
return; // ã»ãã³ãã³ãæ¿å
¥ãããŠããŸããæ¬¡ã®è¡ã¯å®è¡ãããªã
a + b;
}
*/
</syntaxhighlight>
ãã®ãããªæåã«æ³šæããŠãæå³ããã³ãŒãã®èšè¿°ãå¿æãããšè¯ãã§ããããäžè¬çã«ã¯ãã»ãã³ãã³ãæç€ºçã«èšè¿°ããããšãæšå¥šãããŸãã
== èèš» ==
<references /> | 2021-07-12T02:44:18Z | 2024-01-23T14:23:17Z | [
"ãã³ãã¬ãŒã:Main",
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Wikipedia"
]
| https://ja.wikibooks.org/wiki/JavaScript/%E5%AD%97%E5%8F%A5%E6%A7%8B%E9%80%A0 |
31,971 | JavaScript/ã»ãã³ãã³ã®èªåæ¿å
¥ | Cèšèªç³»èšèªã§ã¯ãã»ãã³ãã³(;)ã¯æã®çµããã衚ããŸããä»ã®Cèšèªç³»èšèªãšã¯ç°ãªããJavaScriptã§ã¯æã®æåŸã«ã»ãã³ãã³ã䜿çšããããšã匷å¶ããŠããŸããããã®ä»£ãããã»ãã³ãã³ã¯ä»»æã§ããJavaScriptã®ã€ã³ã¿ãŒããªã¿ãã³ãŒããå®è¡ããéã«ãã€ã³ããªãžã§ã³ãã«ã远å ããŸãã
JavaScriptã§ã¯ã次ã®ãããªå Žåã«ã»ãã³ãã³ãèªåçã«æ¿å
¥ãããŸãã
ASIã¯ã³ãŒããæžããããããŸãã(ã»ãã³ãã³ããã¹ãŠå
¥åããå¿
èŠã¯ãããŸãã)ãå®éã«ã¯ãã»ãã³ãã³ããªããšããã°ã©ã ã®ãããã°ãé£ãããªããŸãããã®ãããã¹ããŒãã¡ã³ãã®æåŸã«ã»ãã³ãã³ã䜿çšããããšã¯ãã¹ãã»ãã©ã¯ãã£ã¹ãšããŠåºãèªèãããŠããŸããããããASIã®ååšã¯äœãæ¢ãã¹ãããç¥ããªããã°ãã©ãã«ã·ã¥ãŒãã£ã³ã°ãå°é£ãªããã€ãã®ãã°ãäœãåºãå¯èœæ§ããããŸãã
æåã®ã±ãŒã¹ã§ã¯ãããã°ã©ã㯠2*a + 1 ãè¿ãããšãæå³ããŠããŸãããã³ãŒãã¯äœãè¿ããŸããã§ãããåæ§ã«ã2çªç®ã®ã±ãŒã¹ã§ã¯ããã°ã©ãã¯äžæ¬åŒ§{}ã§å²ãŸããè¡ãè¿ãããšãæå³ããŠããŸããããã³ãŒãã¯äœãè¿ããŸããã§ããããã®ããã«ãJavaScriptã«ã¯å¥åŠãªç¹ãããããæã®äžã§æ¹è¡ãããéå§æ³¢æ¬åŒ§ãå¥ã®è¡ã«ãããããªãããšããã¹ãã»ãã©ã¯ãã£ã¹ãšãããŠããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "Cèšèªç³»èšèªã§ã¯ãã»ãã³ãã³(;)ã¯æã®çµããã衚ããŸããä»ã®Cèšèªç³»èšèªãšã¯ç°ãªããJavaScriptã§ã¯æã®æåŸã«ã»ãã³ãã³ã䜿çšããããšã匷å¶ããŠããŸããããã®ä»£ãããã»ãã³ãã³ã¯ä»»æã§ããJavaScriptã®ã€ã³ã¿ãŒããªã¿ãã³ãŒããå®è¡ããéã«ãã€ã³ããªãžã§ã³ãã«ã远å ããŸãã",
"title": "ã»ãã³ãã³ã®èªåæ¿å
¥ïŒAutomatic Semicolon Insertion; ASIïŒ"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "JavaScriptã§ã¯ã次ã®ãããªå Žåã«ã»ãã³ãã³ãèªåçã«æ¿å
¥ãããŸãã",
"title": "ã»ãã³ãã³ã®èªåæ¿å
¥ïŒAutomatic Semicolon Insertion; ASIïŒ"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ASIã¯ã³ãŒããæžããããããŸãã(ã»ãã³ãã³ããã¹ãŠå
¥åããå¿
èŠã¯ãããŸãã)ãå®éã«ã¯ãã»ãã³ãã³ããªããšããã°ã©ã ã®ãããã°ãé£ãããªããŸãããã®ãããã¹ããŒãã¡ã³ãã®æåŸã«ã»ãã³ãã³ã䜿çšããããšã¯ãã¹ãã»ãã©ã¯ãã£ã¹ãšããŠåºãèªèãããŠããŸããããããASIã®ååšã¯äœãæ¢ãã¹ãããç¥ããªããã°ãã©ãã«ã·ã¥ãŒãã£ã³ã°ãå°é£ãªããã€ãã®ãã°ãäœãåºãå¯èœæ§ããããŸãã",
"title": "ã»ãã³ãã³ã®èªåæ¿å
¥ïŒAutomatic Semicolon Insertion; ASIïŒ"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "æåã®ã±ãŒã¹ã§ã¯ãããã°ã©ã㯠2*a + 1 ãè¿ãããšãæå³ããŠããŸãããã³ãŒãã¯äœãè¿ããŸããã§ãããåæ§ã«ã2çªç®ã®ã±ãŒã¹ã§ã¯ããã°ã©ãã¯äžæ¬åŒ§{}ã§å²ãŸããè¡ãè¿ãããšãæå³ããŠããŸããããã³ãŒãã¯äœãè¿ããŸããã§ããããã®ããã«ãJavaScriptã«ã¯å¥åŠãªç¹ãããããæã®äžã§æ¹è¡ãããéå§æ³¢æ¬åŒ§ãå¥ã®è¡ã«ãããããªãããšããã¹ãã»ãã©ã¯ãã£ã¹ãšãããŠããŸãã",
"title": "ã»ãã³ãã³ã®èªåæ¿å
¥ïŒAutomatic Semicolon Insertion; ASIïŒ"
}
]
| null | {{Nav}}
== ã»ãã³ãã³ã®èªåæ¿å
¥ïŒAutomatic Semicolon Insertion; ASIïŒ ==
Cèšèªç³»èšèªã§ã¯ãã»ãã³ãã³ïŒ;ïŒã¯æã®çµããã衚ããŸããä»ã®Cèšèªç³»èšèªãšã¯ç°ãªããJavaScriptã§ã¯æã®æåŸã«ã»ãã³ãã³ã䜿çšããããšã匷å¶ããŠããŸããããã®ä»£ãããã»ãã³ãã³ã¯ä»»æã§ããJavaScriptã®ã€ã³ã¿ãŒããªã¿ãã³ãŒããå®è¡ããéã«ãã€ã³ããªãžã§ã³ãã«ã远å ããŸãã
JavaScriptã§ã¯ã次ã®ãããªå Žåã«ã»ãã³ãã³ãèªåçã«æ¿å
¥ãããŸã<ref>Colin J. Ihrig (2012-03-09). "[http://cjihrig.com/blog/author/cjihrig/ The Dangers of JavaScript's Automatic Semicolon Insertion]" (in English) (HTML). cjihrig.com. 2017-03-29ã«ãªãªãžãã«ãã[https://web.archive.org/web/20170329174739/http://cjihrig.com/blog/the-dangers-of-javascripts-automatic-semicolon-insertion/ ã¢ãŒã«ã€ã]ãããŠããŸãïŒ2021-07-12é²èЧïŒã</ref>ã
# 2ã€ã®æãè¡çµç«¯èšå·ã§åºåãããŠããå Žå
# 2ã€ã®æãéãæ¬åŒ§('}')ã§åºåãããŠããå Žå
# <code>[[JavaScript/äºçŽèª/break|break]]</code>ã<code>[[JavaScript/äºçŽèª/continue|continue]]</code>ã<code>[[JavaScript/äºçŽèª/return|return]]</code>ã<code>[[JavaScript/äºçŽèª/throw|throw]]</code>ã®åŸã«è¡çµç«¯èšå·ãããå Žåã
ASIã¯ã³ãŒããæžããããããŸããïŒã»ãã³ãã³ããã¹ãŠå
¥åããå¿
èŠã¯ãããŸããïŒãå®éã«ã¯ãã»ãã³ãã³ããªããšããã°ã©ã ã®ãããã°ãé£ãããªããŸãããã®ãããã¹ããŒãã¡ã³ãã®æåŸã«ã»ãã³ãã³ã䜿çšããããšã¯ãã¹ãã»ãã©ã¯ãã£ã¹ãšããŠåºãèªèãããŠããŸããããããASIã®ååšã¯äœãæ¢ãã¹ãããç¥ããªããã°ãã©ãã«ã·ã¥ãŒãã£ã³ã°ãå°é£ãªããã€ãã®ãã°ãäœãåºãå¯èœæ§ããããŸãã
=== äŸ ===
{| class="wikitable"
|+ å
·äœçãªASIã®æ¯ãèã
|-
! å
¥åãããã³ãŒã !! å®éã®è§£é !! ä¿®æ£ãããã³ãŒã
|-
| <syntaxhighlight lang="javascript">return
2*a + 1;</syntaxhighlight> || <syntaxhighlight lang="javascript">return;
2*a + 1;</syntaxhighlight> || <syntaxhighlight lang="javascript">return 2*a + 1;</syntaxhighlight>
|-
| <syntaxhighlight lang="javascript">function getObject() {
return
{
// ããã€ãã®è¡
};
}</syntaxhighlight>|| <syntaxhighlight lang="javascript">function getObject() {
return;
{
// ããã€ãã®è¡
};
}</syntaxhighlight> || <syntaxhighlight lang="javascript">function getObject() {
return {
// ããã€ãã®è¡
};
}</syntaxhighlight>
|-
| <syntaxhighlight lang="javascript">i
++;</syntaxhighlight> || <syntaxhighlight lang="javascript">i;
++;</syntaxhighlight> || <syntaxhighlight lang="javascript">i++;</syntaxhighlight>
|-
| <syntaxhighlight lang="javascript">if (i === 5)
// ããã«ã¯ã»ãã³ãã³ãæåŸ
ããŠããŸã
else
foo = 0;</syntaxhighlight> || <syntaxhighlight lang="javascript">if (i === 5)
// ããã«ã»ãã³ãã³ã¯ãããŸãã!
else
foo = 0;</syntaxhighlight> || <syntaxhighlight lang="javascript">if (i === 5){
// ã³ãŒã
}
else {
foo = 0;
}</syntaxhighlight>
|}
æåã®ã±ãŒã¹ã§ã¯ãããã°ã©ã㯠2*a + 1 ãè¿ãããšãæå³ããŠããŸãããã³ãŒãã¯äœãè¿ããŸããã§ãããåæ§ã«ã2çªç®ã®ã±ãŒã¹ã§ã¯ããã°ã©ãã¯äžæ¬åŒ§{}ã§å²ãŸããè¡ãè¿ãããšãæå³ããŠããŸããããã³ãŒãã¯äœãè¿ããŸããã§ããããã®ããã«ãJavaScriptã«ã¯å¥åŠãªç¹ãããããæã®äžã§æ¹è¡ãããéå§æ³¢æ¬åŒ§ãå¥ã®è¡ã«ãããããªãããšããã¹ãã»ãã©ã¯ãã£ã¹ãšãããŠããŸãã
== èæ³š ==
<references />
== å€éšãªã³ã¯ ==
* [https://tc39.es/ecma262/#sec-automatic-semicolon-insertion ECMA-262::12.9 Automatic Semicolon Insertion] | null | 2021-07-12T05:32:20Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/JavaScript/%E3%82%BB%E3%83%9F%E3%82%B3%E3%83%AD%E3%83%B3%E3%81%AE%E8%87%AA%E5%8B%95%E6%8C%BF%E5%85%A5 |
31,972 | JavaScript/äºçŽèª | ãã®ç« ã§ã¯ã倿°ã颿°ãªã©ã®ååãšããŠäœ¿çšã§ããªããJavaScriptã®äºçŽèªã®äžèŠ§ãæ²èŒããŠããŸãã
ECMAScript ã®èŠæ Œã§ã¯ãäºçŽèª(Reserved Words)ã以äžã®åçš®é¡ã«åé¡ããŠããŸã(ES1åœæ)ã
| [
{
"paragraph_id": 0,
"tag": "p",
"text": "ãã®ç« ã§ã¯ã倿°ã颿°ãªã©ã®ååãšããŠäœ¿çšã§ããªããJavaScriptã®äºçŽèªã®äžèŠ§ãæ²èŒããŠããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ECMAScript ã®èŠæ Œã§ã¯ãäºçŽèª(Reserved Words)ã以äžã®åçš®é¡ã«åé¡ããŠããŸã(ES1åœæ)ã",
"title": "äºçŽèªã®çš®é¡"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "",
"title": "äºçŽèªã®çš®é¡"
}
]
| ãã®ç« ã§ã¯ã倿°ã颿°ãªã©ã®ååãšããŠäœ¿çšã§ããªããJavaScriptã®äºçŽèªã®äžèŠ§ãæ²èŒããŠããŸãã | {{Nav}}
ãã®ç« ã§ã¯ã倿°ã颿°ãªã©ã®ååãšããŠäœ¿çšã§ããªããJavaScriptã®äºçŽèªã®äžèŠ§ãæ²èŒããŠããŸãã
== äºçŽèªã®çš®é¡ ==
ECMAScript ã®èŠæ Œã§ã¯ãäºçŽèªïŒReserved WordsïŒã以äžã®åçš®é¡ã«åé¡ããŠããŸãïŒES1åœæïŒã
; ''Keyword''
: ããŒã¯ãŒã
; ''FutureReservedWord''
: å°æ¥ã®ããã«äºçŽãããåèª
; ''NullLiteral''
: ãã«ãªãã©ã«
: null
; ''BooleanLiteral''
: è«çåãªãã©ã«
: false ãš true
{| class="wikitable"
|+ äºçŽèªã®å€é·
|- style="position:sticky; top:0"
! åèª !! ES1 !! ES2 !! ES3 !! ES5 !! ES6/2015 !! ES7/2016 !! ES8/2017
|-
! [[JavaScript/äºçŽèª/abstract|abstract]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/await|await]]
| N/A || â || â || â || FRW || â || K/W
|-
! [[JavaScript/äºçŽèª/boolean|boolean]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/break|break]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/byte|byte]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/case|case]]
| FRW || â || K/W || â || â || â || â
|-
! [[JavaScript/äºçŽèª/catch|catch]]
| FRW || â || K/W || â || â || â || â
|-
! [[JavaScript/äºçŽèª/char|char]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/class|class]]
| FRW || â || â || â || K/W || â || â
|-
! [[JavaScript/äºçŽèª/const|const]]
| FRW || â || â || â || K/W || â || â
|-
! [[JavaScript/äºçŽèª/continue|continue]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/debugger|debugger]]
| FRW || â || â || K/W || â || â || â
|-
! [[JavaScript/äºçŽèª/default|default]]
| FRW || â || K/W || â || â || â || â
|-
! [[JavaScript/äºçŽèª/delete|delete]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/do|do]]
| FRW || â || K/W || â || â || â || â
|-
! [[JavaScript/äºçŽèª/double|double]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/else|else]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/enum|enum]]
| FRW || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/export|export]]
| FRW || â || â || â || K/W || â || â
|-
! [[JavaScript/äºçŽèª/extends|extends]]
| FRW || â || â || â || K/W || â || â
|-
! [[JavaScript/äºçŽèª/false|false]]
| Bool || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/final|final]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/finally|finally]]
| FRW || â || K/W || â || â || â || â
|-
! [[JavaScript/äºçŽèª/for|for]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/float|float]]
| N/A || FRW || â ||N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/function|function]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/goto|goto]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/if|if]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/implements|implements]]
| N/A || FRW || â || S/M || â || â || â
|-
! [[JavaScript/äºçŽèª/import|import]]
| FRW || â || â || â || K/W || â || â
|-
! [[JavaScript/äºçŽèª/in|in]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/instanceof|instanceof]]
| N/A || FRW || K/W || â || â || â || â
|-
! [[JavaScript/äºçŽèª/int|int]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/interface|interface]]
| N/A || FRW || â || S/M || â || â || â
|-
! [[JavaScript/äºçŽèª/let|let]]
| N/A || â || â || S/M || â || â || â
|-
! [[JavaScript/äºçŽèª/long|long]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/native|native]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/new|new]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/null|null]]
| Null || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/package|package]]
| N/A || FRW || â || S/M || â || â || â
|-
! [[JavaScript/äºçŽèª/private|private]]
| N/A || FRW || â || S/M || â || â || â
|-
! [[JavaScript/äºçŽèª/protected|protected]]
| N/A || FRW || â || S/M || â || â || â
|-
! [[JavaScript/äºçŽèª/public|public]]
| N/A || FRW || â || S/M || â || â || â
|-
! [[JavaScript/äºçŽèª/return|return]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/short|short]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/static|static]]
| N/A || FRW || â || S/M || â || â || â
|-
! [[JavaScript/äºçŽèª/super|super]]
| FRW || â || â || â || K/W || â || â
|-
! [[JavaScript/äºçŽèª/switch|switch]]
| FRW || â || K/W || â || â || â || â
|-
! [[JavaScript/äºçŽèª/synchronized|synchronized]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/this|this]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/throw|throw]]
| FRW || â || K/W || â || â || â || â
|-
! [[JavaScript/äºçŽèª/throws|throws]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/transient|transient]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/true|true]]
| Bool || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/try|try]]
| FRW || â || K/W || â || â || â || â
|-
! [[JavaScript/äºçŽèª/typeof|typeof]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/var|var]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/void|void]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/volatile|volatile]]
| N/A || FRW || â || N/A || â || â || â
|-
! [[JavaScript/äºçŽèª/while|while]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/with|with]]
| K/W || â || â || â || â || â || â
|-
! [[JavaScript/äºçŽèª/yield|yield]]
| N/A || â || â || S/M || K/W || â || â
|}
; N/A : äºçŽèªã§ã¯ãªã
; FRW : Future Reserved Word : å°æ¥ã®ããã«äºçŽãããåèª
; K/W : Keyword : ããŒã¯ãŒã
; S/M : Strict mode : Strict ã¢ãŒãã§ã®ã¿å°æ¥ã®ããã«äºçŽãããåèªãšããŠèå¥åã«ã¯äœ¿çšã§ããªãã
; â : å·Šã«åã
{{Nav}}
== èèš» ==
<references /> | null | 2022-07-19T11:16:46Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/JavaScript/%E4%BA%88%E7%B4%84%E8%AA%9E |
31,973 | JavaScript/ææ³ | JavaScriptã®ææ³ã«ã¯ä»ã®ããã°ã©ãã³ã°èšèªãšã®é¡äŒŒç¹ãšçžéç¹ããããŸãã以äžã«ããã€ãã®éèŠãªç¹ãæããŠã¿ãŸãããã
ãããã®çžéç¹ã¯ãJavaScriptãç°ãªãçšéã«äœ¿çšãããããã®æè»æ§ãæäŸããŠããŸãããŠã§ãéçºããµãŒããŒãµã€ãéçºãã¢ãã€ã«ã¢ããªã±ãŒã·ã§ã³éçºãªã©ãããŸããŸãªã³ã³ããã¹ãã§ JavaScript ã䜿çšãããŠããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "JavaScriptã®ææ³ã«ã¯ä»ã®ããã°ã©ãã³ã°èšèªãšã®é¡äŒŒç¹ãšçžéç¹ããããŸãã以äžã«ããã€ãã®éèŠãªç¹ãæããŠã¿ãŸãããã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ãããã®çžéç¹ã¯ãJavaScriptãç°ãªãçšéã«äœ¿çšãããããã®æè»æ§ãæäŸããŠããŸãããŠã§ãéçºããµãŒããŒãµã€ãéçºãã¢ãã€ã«ã¢ããªã±ãŒã·ã§ã³éçºãªã©ãããŸããŸãªã³ã³ããã¹ãã§ JavaScript ã䜿çšãããŠããŸãã",
"title": ""
}
]
| JavaScriptã®ææ³ã«ã¯ä»ã®ããã°ã©ãã³ã°èšèªãšã®é¡äŒŒç¹ãšçžéç¹ããããŸãã以äžã«ããã€ãã®éèŠãªç¹ãæããŠã¿ãŸãããã Cèšèªç³»ã®æ§æ: JavaScriptã¯Cèšèªç³»ã®æ§æãæ¡çšããŠããã倿°ã®å®£èšãå¶åŸ¡æ§é ãæŒç®åãªã©ãCãC++ãšãã£ãèšèªã«äŒŒãŠããŸãã 颿°: 颿°ãJavaScriptã§äžè¬çã«äœ¿çšãããæŠå¿µã§ãããå€ãã®ããã°ã©ãã³ã°èšèªãšäŒŒããããªæ¹æ³ã§å®çŸ©ãããŸãã æ¡ä»¶åå²ãšç¹°ãè¿ã: æ¡ä»¶åå²ïŒif-elseæïŒãç¹°ãè¿ãïŒforã«ãŒããªã©ïŒãä»ã®èšèªãšåæ§ã«äœ¿çšãããŸãã åçåä»ã: JavaScriptã¯åçåä»ãèšèªã§ããã倿°ã®åã¯å®è¡æã«æ±ºå®ãããŸããããã¯ãéçåä»ãèšèªãšã¯ç°ãªããŸãã ãªããžã§ã¯ããšãããã¿ã€ã: JavaScriptã¯ãããã¿ã€ãããŒã¹ã®ãªããžã§ã¯ãæåèšèªã§ãããã¯ã©ã¹ããªã代ããã«ãããã¿ã€ãã䜿çšããŸããããã¯ãã¯ã©ã·ã«ã«ãªãªããžã§ã¯ãæåèšèªãšã¯ç°ãªããŸãã ã¯ããŒãžã£ãšç¡å颿°: JavaScriptã¯ã¯ããŒãžã£ïŒé¢æ°å
ããå€éšã¹ã³ãŒãã®å€æ°ã«ã¢ã¯ã»ã¹ããèœåïŒãç¡å颿°ïŒå¿å颿°ïŒã®äœ¿çšãäžè¬çã§ãããã¯ä»ã®å€ãã®èšèªã§ã¯ç°ãªããŸãã éåæåŠçãšã³ãŒã«ããã¯: JavaScriptã¯éåæåŠçããµããŒãããŠãããã³ãŒã«ããã¯é¢æ°ã䜿çšããŠéåæã€ãã³ããåŠçããŸããããã¯ãåæçãªããã°ã©ãã³ã°èšèªãšã¯ç°ãªããŸãã ãããã®çžéç¹ã¯ãJavaScriptãç°ãªãçšéã«äœ¿çšãããããã®æè»æ§ãæäŸããŠããŸãããŠã§ãéçºããµãŒããŒãµã€ãéçºãã¢ãã€ã«ã¢ããªã±ãŒã·ã§ã³éçºãªã©ãããŸããŸãªã³ã³ããã¹ãã§ JavaScript ã䜿çšãããŠããŸãã | {{Nav}}
JavaScriptã®ææ³ã«ã¯ä»ã®ããã°ã©ãã³ã°èšèªãšã®é¡äŒŒç¹ãšçžéç¹ããããŸãã以äžã«ããã€ãã®éèŠãªç¹ãæããŠã¿ãŸãããã
;é¡äŒŒç¹:
# Cèšèªç³»ã®æ§æ: JavaScriptã¯Cèšèªç³»ã®æ§æãæ¡çšããŠããã倿°ã®å®£èšãå¶åŸ¡æ§é ãæŒç®åãªã©ãCãC++ãšãã£ãèšèªã«äŒŒãŠããŸãã
#:<syntaxhighlight lang=js>
// Cèšèªé¢šã®å€æ°å®£èš
let num = 42;
// Cèšèªé¢šã®forã«ãŒã
for (let i = 0; i < 5; i++) {
console.log(i);
}
</syntaxhighlight>
# 颿°: 颿°ãJavaScriptã§äžè¬çã«äœ¿çšãããæŠå¿µã§ãããå€ãã®ããã°ã©ãã³ã°èšèªãšäŒŒããããªæ¹æ³ã§å®çŸ©ãããŸãã
#:<syntaxhighlight lang=js>
// 颿°ã®å®çŸ©
function greet(name) {
console.log("Hello, " + name + "!");
}
// 颿°ã®åŒã³åºã
greet("John");
</syntaxhighlight>
# æ¡ä»¶åå²ãšç¹°ãè¿ã: æ¡ä»¶åå²ïŒif-elseæïŒãç¹°ãè¿ãïŒforã«ãŒããªã©ïŒãä»ã®èšèªãšåæ§ã«äœ¿çšãããŸãã
#:<syntaxhighlight lang=js>
// æ¡ä»¶åå²
if (age >= 18) {
console.log("æäººã§ãã");
} else {
console.log("æªæå¹Žã§ãã");
}
// forã«ãŒã
for (let i = 0; i < 5; i++) {
console.log(i);
}
</syntaxhighlight>
;çžéç¹:
#åçåä»ã: JavaScriptã¯åçåä»ãèšèªã§ããã倿°ã®åã¯å®è¡æã«æ±ºå®ãããŸããããã¯ãéçåä»ãèšèªïŒäŸ: JavaãC++ïŒãšã¯ç°ãªããŸãã
#:<syntaxhighlight lang=js>
let num = 42; // æ°å€å
num = "Hello"; // æåååã«å€æŽ
</syntaxhighlight>
#ãªããžã§ã¯ããšãããã¿ã€ã: JavaScriptã¯ãããã¿ã€ãããŒã¹ã®ãªããžã§ã¯ãæåèšèªã§ãããã¯ã©ã¹ããªã代ããã«ãããã¿ã€ãã䜿çšããŸããããã¯ãã¯ã©ã·ã«ã«ãªãªããžã§ã¯ãæåèšèªãšã¯ç°ãªããŸãã
#:<syntaxhighlight lang=js>
// ãªããžã§ã¯ãã®äœæ
let person = {
name: "Alice",
age: 30,
greet: function() {
console.log("Hello, " + this.name + "!");
}
};
// ãªããžã§ã¯ãã®ãããã¿ã€ãæ¡åŒµ
person.sayHello = function() {
console.log("Hi there!");
};
</syntaxhighlight>
#ã¯ããŒãžã£ãšç¡å颿°: JavaScriptã¯ã¯ããŒãžã£ïŒé¢æ°å
ããå€éšã¹ã³ãŒãã®å€æ°ã«ã¢ã¯ã»ã¹ããèœåïŒãç¡å颿°ïŒå¿å颿°ïŒã®äœ¿çšãäžè¬çã§ãããã¯ä»ã®å€ãã®èšèªã§ã¯ç°ãªããŸãã
#:<syntaxhighlight lang=js>
// ã¯ããŒãžã£
function outerFunction() {
let x = 10;
function innerFunction() {
console.log(x);
}
return innerFunction;
}
let closureFunc = outerFunction();
closureFunc(); // 10
</syntaxhighlight>
#éåæåŠçãšã³ãŒã«ããã¯: JavaScriptã¯éåæåŠçããµããŒãããŠãããã³ãŒã«ããã¯é¢æ°ã䜿çšããŠéåæã€ãã³ããåŠçããŸããããã¯ãåæçãªããã°ã©ãã³ã°èšèªãšã¯ç°ãªããŸãã
#:<syntaxhighlight lang=js>
// éåæåŠçã®äŸïŒã³ãŒã«ããã¯é¢æ°ïŒ
setTimeout(function() {
console.log("Timeout completed.");
}, 1000);
</syntaxhighlight>
ãããã®çžéç¹ã¯ãJavaScriptãç°ãªãçšéã«äœ¿çšãããããã®æè»æ§ãæäŸããŠããŸãããŠã§ãéçºããµãŒããŒãµã€ãéçºãã¢ãã€ã«ã¢ããªã±ãŒã·ã§ã³éçºãªã©ãããŸããŸãªã³ã³ããã¹ãã§ JavaScript ã䜿çšãããŠããŸãã | 2021-07-12T05:25:00Z | 2024-01-23T12:44:34Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/JavaScript/%E6%96%87%E6%B3%95 |
31,980 | JavaScript/äºçŽèª/break | breakã¯ã«ãŒãæãswitchæãçŽã¡ã«äžæããŸãã ã«ãŒãæãswitchæä»¥å€ã§breakã䜿ãããšãããš SyntaxError ãšãªããŸãã ããã§èšãã«ãŒãã¯ãwhileæãdoæãforæãfor-inæãfor-ofæã®ããããã§ãã Array.prototype.forEachã®æ§ãªå埩ã¡ãœããããã®è±åºã«ã¯breakã¯äœ¿ããŸããã
å®è¡çµæ | [
{
"paragraph_id": 0,
"tag": "p",
"text": "breakã¯ã«ãŒãæãswitchæãçŽã¡ã«äžæããŸãã ã«ãŒãæãswitchæä»¥å€ã§breakã䜿ãããšãããš SyntaxError ãšãªããŸãã ããã§èšãã«ãŒãã¯ãwhileæãdoæãforæãfor-inæãfor-ofæã®ããããã§ãã Array.prototype.forEachã®æ§ãªå埩ã¡ãœããããã®è±åºã«ã¯breakã¯äœ¿ããŸããã",
"title": "break"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "å®è¡çµæ",
"title": "break"
}
]
| null | {{Nav}}
== break ==
<code>break</code>ã¯ã«ãŒãæãswitchæãçŽã¡ã«äžæããŸãã
ã«ãŒãæãswitchæä»¥å€ã§<code>break</code>ã䜿ãããšãããš ''SyntaxError'' ãšãªããŸãã
ããã§èšãã«ãŒãã¯ãwhileæãdoæãforæãfor-inæãfor-ofæã®ããããã§ãã
Array.prototype.forEachã®æ§ãªå埩ã¡ãœããããã®è±åºã«ã¯<code>break</code>ã¯äœ¿ããŸããã
=== äŸ ===
<syntaxhighlight lang="javascript" highlight=7 line>
const array = [2, 3, 5, 7, 10, 11];
let result = 1;
for (let i = 0, len = array.length; i < len; i++) {
result += array[i];
console.log(`result = ${result}`);
if (result % 2 == 0) {
break;
}
}
</syntaxhighlight>
å®è¡çµæ
result = 3
result = 6
== é¢é£é
ç® ==
* [[JavaScript/äºçŽèª/continue|continue]]
* [[JavaScript/äºçŽèª/for|for]]
* [[JavaScript/äºçŽèª/do|do ... while]] | null | 2021-07-13T02:50:30Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/JavaScript/%E4%BA%88%E7%B4%84%E8%AA%9E/break |
31,981 | JavaScript/äºçŽèª/continue | continueããŒã¯ãŒãã¯ãã«ãŒãæãçŽã¡ã«äžæããããããã«ãŒããæåŸãŸã§çµäºãããã®ããã«éå§è¡ã«é²ã¿ãforæã®å Žåã¯ç¬¬äžé
ãè©äŸ¡ããŸãã ã«ãŒãæä»¥å€ã§continueã䜿ãããšãããš SyntaxError ãšãªããŸãã ããã§èšãã«ãŒãæã¯ãwhileæãdoæãforæãfor-inæãfor-ofæã®ããããã§ãã Array.prototype.forEachã®æ§ãªå埩ã¡ãœããã«ã¯continueã¯äœ¿ããŸããã
å®è¡çµæ | [
{
"paragraph_id": 0,
"tag": "p",
"text": "continueããŒã¯ãŒãã¯ãã«ãŒãæãçŽã¡ã«äžæããããããã«ãŒããæåŸãŸã§çµäºãããã®ããã«éå§è¡ã«é²ã¿ãforæã®å Žåã¯ç¬¬äžé
ãè©äŸ¡ããŸãã ã«ãŒãæä»¥å€ã§continueã䜿ãããšãããš SyntaxError ãšãªããŸãã ããã§èšãã«ãŒãæã¯ãwhileæãdoæãforæãfor-inæãfor-ofæã®ããããã§ãã Array.prototype.forEachã®æ§ãªå埩ã¡ãœããã«ã¯continueã¯äœ¿ããŸããã",
"title": "continue"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "å®è¡çµæ",
"title": "continue"
}
]
| null | {{Nav}}
== continue ==
<code>continue</code>ããŒã¯ãŒãã¯ãã«ãŒãæãçŽã¡ã«äžæããããããã«ãŒããæåŸãŸã§çµäºãããã®ããã«éå§è¡ã«é²ã¿ãforæã®å Žåã¯ç¬¬äžé
ãè©äŸ¡ããŸãã
ã«ãŒãæä»¥å€ã§<code>continue</code>ã䜿ãããšãããš SyntaxError ãšãªããŸãã
ããã§èšãã«ãŒãæã¯ãwhileæãdoæãforæãfor-inæãfor-ofæã®ããããã§ãã
Array.prototype.forEachã®æ§ãªå埩ã¡ãœããã«ã¯<code>continue</code>ã¯äœ¿ããŸããã
===äŸé¡===
<syntaxhighlight lang="JavaScript">
const array = [2, 3, 5, 7, 10, 11];
let result = 1;
for (let i = 0, len = array.length; i < len; i++) {
result += array[i];
if (result % 2 == 0) {
continue;
}
console.log("result = " + result);
}
</syntaxhighlight>
å®è¡çµæ
result = 3
result = 11
result = 39
== é¢é£é
ç® ==
* [[JavaScript/äºçŽèª/break|break]]
* [[JavaScript/äºçŽèª/for|for]] | null | 2021-07-13T03:07:27Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/JavaScript/%E4%BA%88%E7%B4%84%E8%AA%9E/continue |
31,982 | JavaScript/äºçŽèª/for | ããŒã¯ãŒãforã¯ãç°ãªãåçš®é¡ã®ååŸ©æ§æã§äœ¿ãããŸãã
foræã¯ãCèšèªé¢šã®ååŸ©æ§æã§ãã
whileæã«ããç䟡ãªããã°ã©ã
å€åŽã®ãããã¯ã¯ãåæååŒããããã¯ã¹ã³ãŒããæã€å€æ°ã®å®£èšã§ãã£ãå Žå foræ ãæãããšã¹ã³ãŒãããåºãããšã衚çŸããã
å®è¡çµæ
for...inæã¯ãæååãããŒãšãããªããžã§ã¯ãã®ãã¹ãŠã®åæå¯èœãªããããã£ãå埩åŠçããŸãã
倿°ããããã¯ã¹ã³ãŒãã§å®£èšãããå Žåã倿°ã¯for...inæãæãããšæ®çºããŸãã
å®è¡çµæ
for...ofæã¯ãStringãArrayãTypedArrayãMapãSetãšé
å䌌ãªãªããžã§ã¯ã(äŸãã°ãArgumentsãNodeList)ããŠãŒã¶ãŒå®çŸ©ã®å埩å¯èœãªããžã§ã¯ããå埩ããã«ãŒããäœæããŸãããã®ã«ãŒãã¯ãªããžã§ã¯ãã®åããããã£ã®å€ã«å¯ŸããŠå®è¡ãããã¹ããŒãã¡ã³ããæã€ã«ã¹ã¿ã å埩ããã¯ãåŒã³åºããŸãã
倿°ããããã¯ã¹ã³ãŒãã§å®£èšãããå Žåã倿°ã¯for...ofæãæãããšæ®çºããŸãã
å®è¡çµæ
for await... ofæã¯ãéåæã€ãã¬ãŒãå¯èœãªãªããžã§ã¯ããåæå埩å¯èœãªãªããžã§ã¯ããå埩ããã«ãŒããäœæããŸãããããã®ãªããžã§ã¯ãã«ã¯ãStringãArrayãTypedArrayãMapãSetãšé
å䌌ãªãªããžã§ã¯ã(äŸãã°ãArgumentsãNodeList)ããŠãŒã¶ãŒå®çŸ©ã®å埩å¯èœãªããžã§ã¯ããå«ãŸããŸãããªããžã§ã¯ãã®åããããã£ã®å€ã«å¯ŸããŠå®è¡ãããæãæã€ã«ã¹ã¿ã å埩ããã¯ãåŒã³åºããŸããfor await... ofæã¯ãéåæé¢æ°ã®å
éšã§ã®ã¿äœ¿çšã§ããŸããã
倿°ããããã¯ã¹ã³ãŒãã§å®£èšãããå Žåã倿°ã¯for await...ofæãæãããšæ®çºããŸãã
å®è¡çµæ | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ããŒã¯ãŒãforã¯ãç°ãªãåçš®é¡ã®ååŸ©æ§æã§äœ¿ãããŸãã",
"title": "ããŒã¯ãŒã for"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "foræã¯ãCèšèªé¢šã®ååŸ©æ§æã§ãã",
"title": "ããŒã¯ãŒã for"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "whileæã«ããç䟡ãªããã°ã©ã ",
"title": "ããŒã¯ãŒã for"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "å€åŽã®ãããã¯ã¯ãåæååŒããããã¯ã¹ã³ãŒããæã€å€æ°ã®å®£èšã§ãã£ãå Žå foræ ãæãããšã¹ã³ãŒãããåºãããšã衚çŸããã",
"title": "ããŒã¯ãŒã for"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "å®è¡çµæ",
"title": "ããŒã¯ãŒã for"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "for...inæã¯ãæååãããŒãšãããªããžã§ã¯ãã®ãã¹ãŠã®åæå¯èœãªããããã£ãå埩åŠçããŸãã",
"title": "ããŒã¯ãŒã for"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "倿°ããããã¯ã¹ã³ãŒãã§å®£èšãããå Žåã倿°ã¯for...inæãæãããšæ®çºããŸãã",
"title": "ããŒã¯ãŒã for"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "å®è¡çµæ",
"title": "ããŒã¯ãŒã for"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "for...ofæã¯ãStringãArrayãTypedArrayãMapãSetãšé
å䌌ãªãªããžã§ã¯ã(äŸãã°ãArgumentsãNodeList)ããŠãŒã¶ãŒå®çŸ©ã®å埩å¯èœãªããžã§ã¯ããå埩ããã«ãŒããäœæããŸãããã®ã«ãŒãã¯ãªããžã§ã¯ãã®åããããã£ã®å€ã«å¯ŸããŠå®è¡ãããã¹ããŒãã¡ã³ããæã€ã«ã¹ã¿ã å埩ããã¯ãåŒã³åºããŸãã",
"title": "ããŒã¯ãŒã for"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "倿°ããããã¯ã¹ã³ãŒãã§å®£èšãããå Žåã倿°ã¯for...ofæãæãããšæ®çºããŸãã",
"title": "ããŒã¯ãŒã for"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "å®è¡çµæ",
"title": "ããŒã¯ãŒã for"
},
{
"paragraph_id": 11,
"tag": "p",
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å䌌ãªãªããžã§ã¯ã(äŸãã°ãArgumentsãNodeList)ããŠãŒã¶ãŒå®çŸ©ã®å埩å¯èœãªããžã§ã¯ããå«ãŸããŸãããªããžã§ã¯ãã®åããããã£ã®å€ã«å¯ŸããŠå®è¡ãããæãæã€ã«ã¹ã¿ã å埩ããã¯ãåŒã³åºããŸããfor await... ofæã¯ãéåæé¢æ°ã®å
éšã§ã®ã¿äœ¿çšã§ããŸããã",
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== ããŒã¯ãŒã for ==
ããŒã¯ãŒã<code>for</code>ã¯ãç°ãªãåçš®é¡ã®ååŸ©æ§æã§äœ¿ãããŸãã
=== foræ ===
foræã¯ãCèšèªé¢šã®ååŸ©æ§æã§ã<ref>[https://tc39.es/ecma262/#sec-for-statement ECMA-262::14.7.4 The for Statement]</ref>ã
==== æ§æ ====
<syntaxhighlight lang="javascript">
for ( åæååŒ ; æ¡ä»¶åŒ ; ååŸ©åŒ )
æ
</syntaxhighlight>
whileæã«ããç䟡ãªããã°ã©ã
<syntaxhighlight lang="javascript">
{
åæååŒ ;
while ( æ¡ä»¶åŒ ) {
æ
ååŸ©åŒ ;
}
}
</syntaxhighlight>
å€åŽã®ãããã¯ã¯ãåæååŒããããã¯ã¹ã³ãŒããæã€å€æ°ã®å®£èšã§ãã£ãå Žå foræ ãæãããšã¹ã³ãŒãããåºãããšã衚çŸããã
==== äŸ ====
<syntaxhighlight lang="javascript">
const array = [2, 3, 5, 7, 10, 11];
let result = 1;
for (let i = 0, len = array.length; i < len; i++) {
result += array[i];
console.log(`result = ${result}`);
if (result % 2 == 0) {
continue;
}
if (result > 20) {
break;
}
}
</syntaxhighlight>
å®è¡çµæ
result = 3
result = 6
result = 11
result = 18
result = 28
result = 39
=== for...inæ ===
for...inæã¯ãæååãããŒãšãããªããžã§ã¯ãã®ãã¹ãŠã®åæå¯èœãªããããã£ãå埩åŠçããŸã<ref>Symbol ãããŒãšããããããã£ã¯ç¡èŠããŸã</ref><ref name="for-in-and-for-of-statements">[https://tc39.es/ecma262/multipage/ecmascript-language-statements-and-declarations.html#sec-for-in-and-for-of-statements ECMA-262::14.7.5 The for-in, for-of, and for-await-of Statements]</ref>ã
==== æ§æ ====
<syntaxhighlight lang="javascript">
for ( 倿°å®£èš in å埩察象ãªããžã§ã¯ã )
æ
</syntaxhighlight>
倿°ããããã¯ã¹ã³ãŒãã§å®£èšãããå Žåã倿°ã¯for...inæãæãããšæ®çºããŸãã
==== äŸ ====
<syntaxhighlight lang="javascript">
const object = { a: 10, b: 20, c: 30 };
for (const property in object) {
console.log(`${property}: ${object[property]}`);
}
</syntaxhighlight>
å®è¡çµæ
a: 10
b: 20
c: 30
=== for...ofæ ===
for...ofæã¯ãStringãArrayãTypedArrayãMapãSetãšé
å䌌ãªãªããžã§ã¯ãïŒäŸãã°ãArgumentsãNodeListïŒããŠãŒã¶ãŒå®çŸ©ã®å埩å¯èœãªããžã§ã¯ããå埩ããã«ãŒããäœæããŸãããã®ã«ãŒãã¯ãªããžã§ã¯ãã®åããããã£ã®å€ã«å¯ŸããŠå®è¡ãããã¹ããŒãã¡ã³ããæã€ã«ã¹ã¿ã å埩ããã¯ãåŒã³åºããŸã<ref name="for-in-and-for-of-statements" />ã
==== æ§æ ====
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æ
</syntaxhighlight>
倿°ããããã¯ã¹ã³ãŒãã§å®£èšãããå Žåã倿°ã¯for...ofæãæãããšæ®çºããŸãã
==== äŸ ====
<syntaxhighlight lang="javascript">
const array = ['A', 'B', 'C'];
for (const element of array) {
console.log(element);
}
</syntaxhighlight>
å®è¡çµæ
A
B
C
=== for await... ofæ ===
for await... ofæã¯ãéåæã€ãã¬ãŒãå¯èœãªãªããžã§ã¯ããåæå埩å¯èœãªãªããžã§ã¯ããå埩ããã«ãŒããäœæããŸãããããã®ãªããžã§ã¯ãã«ã¯ãStringãArrayãTypedArrayãMapãSetãšé
å䌌ãªãªããžã§ã¯ãïŒäŸãã°ãArgumentsãNodeListïŒããŠãŒã¶ãŒå®çŸ©ã®å埩å¯èœãªããžã§ã¯ããå«ãŸããŸãããªããžã§ã¯ãã®åããããã£ã®å€ã«å¯ŸããŠå®è¡ãããæãæã€ã«ã¹ã¿ã å埩ããã¯ãåŒã³åºããŸããfor await... ofæã¯ãéåæé¢æ°ã®å
éšã§ã®ã¿äœ¿çšã§ããŸãã<ref name="for-in-and-for-of-statements" />ã
==== æ§æ ====
<syntaxhighlight lang="javascript">
for await ( 倿°å®£èš of å埩察象ãªããžã§ã¯ã )
æ
</syntaxhighlight>
倿°ããããã¯ã¹ã³ãŒãã§å®£èšãããå Žåã倿°ã¯for await...ofæãæãããšæ®çºããŸãã
==== äŸ ====
<syntaxhighlight lang="javascript">
async function* asyncShift() {
for (let i = 1, len = 2 ** 16; i < len; yield i <<= 3)
;
}
(async function() {
for await (const num of asyncShift()) {
console.log(num);
}
})();
</syntaxhighlight>
å®è¡çµæ
8
64
512
4096
32768
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== èæ³š ==
<references/>
== é¢é£é
ç® ==
* [[JavaScript/äºçŽèª/break|break]]
* [[JavaScript/äºçŽèª/continue|continue]]
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31,991 | èŸ²å°æ³ç¬¬20æ¡ | æ³åŠ>ã³ã³ã¡ã³ã¿ãŒã«>ã³ã³ã¡ã³ã¿ãŒã«èŸ²å°æ³
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32,022 | Fortran/ãªãFortranãåŠã¶ã®ãïŒ | Fortran(ãã©ãŒãã©ã³)ã¯ç§åŠã³ãã¥ããã£ã§åºãå©çšãããããã°ã©ãã³ã°èšèªã§ãé«éãã€ç§»æ€æ§ããããé
åã䞊ååŠçãã¹ã ãŒãºã«æ±ããŸãã æåæã®é«æ°Žæºèšèªã®äžã€ã§ããã³ãã«ãŒããçŽããŒãã䜿çšããŠããã°ã©ã ããšã³ã³ãŒãããåæã®ããŒãžã§ã³ã¯åºãç¥ãããŠããŸãã Fortranã®ååã¯ãFORmula TRANslationãã®ç¥ã§ãæ°åŠçãªè¡šçŸãäœæ°Žæºã®ã¢ã»ã³ããªèšèªãããç°¡åã«å®çŸã§ããããšã瀺ããŠããŸãã Fortran90ããå€ãããŒãžã§ã³ã¯ããã°ãã°FORTRANãšç¶ŽãããŸãã Fortranã¯ä»ã§ãæ°å€å€©æ°äºæž¬ãç©çåŠãååŠã®ã¢ããªã³ã°ãå¿çšæ°åŠãããã³ä»ã®é«æ§èœã³ã³ãã¥ãŒãã£ã³ã°ç®çã§åºãå©çšãããŠããŸãã Fortranã¯è±å¯ãªæ°åŠã©ã€ãã©ãªãšç§åŠçãªã³ãŒãããŒã¹ãåããŠãããæ°ããæšæºã§ã¯çŸä»£çãªæ©èœã远å ããã€ã€ããå®å
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以äžããFortranã®äž»ãªç¹åŸŽã§ããæ°å€èšç®ãç§åŠæè¡èšç®ãªã©ã®åéã§åºã䜿çšãããŠãããé«ãæ§èœãšå¹çæ§ãæäŸããŠããŸãã
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ã®çµéšãã³ãã¥ããã£ã®ãµããŒããªã©ãèæ
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åã䞊ååŠçãã¹ã ãŒãºã«æ±ããŸãã æåæã®é«æ°Žæºèšèªã®äžã€ã§ããã³ãã«ãŒããçŽããŒãã䜿çšããŠããã°ã©ã ããšã³ã³ãŒãããåæã®ããŒãžã§ã³ã¯åºãç¥ãããŠããŸãã Fortranã®ååã¯ãFORmula TRANslationãã®ç¥ã§ãæ°åŠçãªè¡šçŸãäœæ°Žæºã®ã¢ã»ã³ããªèšèªãããç°¡åã«å®çŸã§ããããšã瀺ããŠããŸãã Fortran90ããå€ãããŒãžã§ã³ã¯ããã°ãã°FORTRANãšç¶ŽãããŸãã Fortranã¯ä»ã§ãæ°å€å€©æ°äºæž¬ãç©çåŠãååŠã®ã¢ããªã³ã°ãå¿çšæ°åŠãããã³ä»ã®é«æ§èœã³ã³ãã¥ãŒãã£ã³ã°ç®çã§åºãå©çšãããŠããŸãã Fortranã¯è±å¯ãªæ°åŠã©ã€ãã©ãªãšç§åŠçãªã³ãŒãããŒã¹ãåããŠãããæ°ããæšæºã§ã¯çŸä»£çãªæ©èœã远å ããã€ã€ããå®å
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ã®çµéšãã³ãã¥ããã£ã®ãµããŒããªã©ãèæ
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*:<syntaxhighlight lang=fortran line highlight="17,24">
program gaussian_elimination
implicit none
integer, parameter :: N = 3
real :: A(N, N), b(N)
integer :: i, j, k
real :: factor
! ä¿æ°è¡å A ãšå®æ°ãã¯ãã« b ã®åæå
A = reshape([2, 1, -1, 3, 4, 1, 1, -1, 3], [N, N])
b = [8, 7, 5]
! å鲿¶å»
do k = 1, N - 1
do i = k + 1, N
factor = A(i, k) / A(k, k)
A(i, k:N) = A(i, k:N) - factor * A(k, k:N)
b(i) = b(i) - factor * b(k)
end do
end do
! åŸé代å
¥
do i = N, 1, -1
b(i) = (b(i) - dot_product(A(i, i+1:N), b(i+1:N))) / A(i, i)
end do
! è§£ã®åºå
print *, 'Solution:'
do i = 1, N
print '(A, I1, A, F5.2)', 'x(', i, ') = ', b(i)
end do
end program gaussian_elimination
</syntaxhighlight>
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| Fortranã¯ã1957幎ã«IBMã®John Backusãäžå¿ãšããããŒã ã«ãã£ãŠäœãããŸãããåœåãååã¯ãã¹ãŠå€§æåã§æžãããŠããããçŸåšã®æšæºãå®è£
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Fortran ãšããååã¯ãFORmula TRANslation ã®ç¥ã§ããåœåã¯ç§åŠèšç®ã«ç¹åããŠãããããæååã®æ±ããéåžžã«éå®çã§ããæ±çšããã°ã©ãã³ã°èšèªãšããŠéèŠãªä»ã®æ©èœãæ¬ ããŠããããæåè£ã«ããã¥ãŒããåŸã®å€§èŠæš¡ãªéçºã«ãã£ãŠåŸã«éæãããããšã«ãªããFortranã¯ãCèšèªãæ®åãããŸã§ã¯ãç°ãªãã³ã³ãã¥ãŒã¿ã·ã¹ãã éã§é©åºŠãªç§»æ€æ§ãæã€æ°å°ãªãé«çŽèšèªã®äžã€ã§ãããããã€ãã®ãŠã§ããµã€ãã«ãããšãFortranã®éçºã¯1954幎ã«éå§ããã1957幎ã«åæ¥çã«ãªãªãŒã¹ãããããã§ããå°ããªFORTRANããã°ã©ã ã®ã³ã³ãã€ã«ã«åããŠæåããã®ã¯ã1954幎9æ20æ¥ã®ããšã ãšèããããŠããŸãã Fortranã«ã¯ããã€ãã®ããŒãžã§ã³ããããŸããFORTRAN IãIIãIIIãIVã¯æä»£é
ãã§ãããå€ãã®æ©æ¢°äŸåæ©èœãå«ãŸããŠããŸãããFORTRAN 66ã¯æåã®æšæºåãããããŒãžã§ã³ã§ã1966幎ã«ãªãªãŒã¹ãããŸããããã以éã®ãã¹ãŠã®Fortranã®ããŒãžã§ã³ã¯ãæšæºèŠæ ŒããªãªãŒã¹ããã幎ã«ã¡ãªãã§çªå·ãä»ããããŠããŸããæãäžè¬çã«äœ¿çšãããŠããFortranã®ããŒãžã§ã³ã¯ãFORTRAN 77ãFortran 90以éã§ãã Fortranã¯æ©ãããæšæºåãããèšèªã§ããããå€ãã®äŒæ¥ãç¬èªã®æ¡åŒµãè¡ã£ãŠããŸãããäžæè°ãªããšã«ãIBMãšDECã¯ã»ãšãã©åãæ¡åŒµæ©èœãæã£ãŠããŸããã | {{nav}}
[[File:Fortran logo.svg|100px|right|Fortranã«é¢é£ããããŽ]]
'''Fortran'''ã¯ã1957幎ã«IBMã®John Backusãäžå¿ãšããããŒã ã«ãã£ãŠäœãããŸãããåœåãååã¯ãã¹ãŠå€§æåã§æžãããŠããããçŸåšã®æšæºãå®è£
ã§ã¯æåã®æåã ãã倧æåã«ããŸãã
''Fortran'' ãšããååã¯ã''FORmula TRANslation'' ã®ç¥ã§ããåœåã¯ç§åŠèšç®ã«ç¹åããŠãããããæååã®æ±ããéåžžã«éå®çã§ããæ±çšããã°ã©ãã³ã°èšèªãšããŠéèŠãªä»ã®æ©èœãæ¬ ããŠããããæåè£ã«ããã¥ãŒããåŸã®å€§èŠæš¡ãªéçºã«ãã£ãŠåŸã«éæãããããšã«ãªããFortranã¯ã[[w:Cèšèª|Cèšèª]]ãæ®åãããŸã§ã¯ãç°ãªãã³ã³ãã¥ãŒã¿ã·ã¹ãã éã§é©åºŠãªç§»æ€æ§ãæã€æ°å°ãªãé«çŽèšèªã®äžã€ã§ãããããã€ãã®ãŠã§ããµã€ãã«ãããšãFortranã®éçºã¯1954幎ã«éå§ããã1957幎ã«åæ¥çã«ãªãªãŒã¹ãããããã§ããå°ããªFORTRANããã°ã©ã ã®ã³ã³ãã€ã«ã«åããŠæåããã®ã¯ã1954幎9æ20æ¥ã®ããšã ãšèããããŠããŸãã
Fortranã«ã¯ããã€ãã®ããŒãžã§ã³ããããŸããFORTRAN IãIIãIIIãIVã¯æä»£é
ãã§ãããå€ãã®æ©æ¢°äŸåæ©èœãå«ãŸããŠããŸãããFORTRAN 66ã¯æåã®æšæºåãããããŒãžã§ã³ã§ã1966幎ã«ãªãªãŒã¹ãããŸããããã以éã®ãã¹ãŠã®Fortranã®ããŒãžã§ã³ã¯ãæšæºèŠæ ŒããªãªãŒã¹ããã幎ã«ã¡ãªãã§çªå·ãä»ããããŠããŸããæãäžè¬çã«äœ¿çšãããŠããFortranã®ããŒãžã§ã³ã¯ãFORTRAN 77ãFortran 90以éã§ãã
;FORTRAN I (1957)
:æåã®FORTRANããŒãžã§ã³ãIBM 704ã³ã³ãã¥ãŒã¿åãã«éçºãããŸããã
:ããã°ã©ã ã®æ§æã¯åºå®åœ¢åŒã§ã80åå¹
ã®ã«ãŒãã䜿çšã
;FORTRAN II (1958):
:FORTRAN Iã®æ¡åŒµçã§ãæ°ããæ©èœã远å ãããŸããã
:FORTRAN IIã§ã¯ã<code>IF</code>æã¯æ¬¡ã®ãããªåœ¢åŒã§ããã<code>IF (''numeric_expression'') ''label_if_negative''ã''label_if_zero''ã''label_if_positive''</code>ãšãã圢åŒã§ããããŸãããã¬ãªã¹ãªãã©ã«ãšåŒã°ããå¥åŠãªã¿ã€ãã®æååãªãã©ã«ããããŸããïŒããŒãã³ãã®çºæè
ãšIBMã«ã¡ãªãã§ïŒãçŸåšã§ã¯ãhelloããšã³ãŒãåãããŠãããšããããFORTRAN IIã§ã¯ã5HhelloããšããŠãããããããæåå倿°åã¯ãããŸããã§ããã
;FORTRAN III (1958):FORTRAN IIã®æ¹è¯çã§ãããå€ãã®æ©èœãå°å
¥ãããŸããã
;FORTRAN IV (1961)
:FORTRAN IVã§ã¯ã<code>IF</code>/<code>THEN</code>ã®æŠå¿µãè«çåŒã®æŠå¿µã远å ãããæŒç®å.AND.ã.OR.ã.EQ.ã.NE.ãªã©ã远å ãããããŸããåºæ¬åãšããŠè€çŽ æ°ã远å ãããã
;FORTRAN 66:
:1966幎ã«å¶å®ãããæåã®æšæºåèŠæ Œã
:圢åŒçãªèšèªä»æ§ãåããŠå°å
¥ãããæŽåœ¢åŒã®ã«ãŒã仿§ãèŠå®ãããŸããã
;FORTRAN 77 (1978):
:1978幎ã«å¶å®ãããæšæºã倧å¹
ãªèšèªã®å€æŽãšæ©èœã®è¿œå ãè¡ãããŸããã
:ææ³ãæ¡åŒµããããããã¯IFæãDOã«ãŒãã®æ§æãæ¹è¯ãããŸããã
:æååãå¥ã®åãšããŠè¿œå ããŸããã
;Fortran 90 (1991):
:Fortran 90 ã¯ãæ§ã
ãªçš®é¡ã®ã¹ã¬ãããšçŽæ¥é
ååŠçã远å ããŸããã
:ããªãŒãã©ãŒã 圢åŒãã¢ãžã¥ãŒã«ãåçã¡ã¢ãªå²ãåœãŠãæ°ããããŒã¿åïŒäŸ: 掟çåïŒãªã©ãå°å
¥ãããŸããã
;Fortran 95 (1997):Fortran 90ã®ä¿®æ£ãšè¿œå ãè¡ããããã®ãFortran 90ãšã®åŸæ¹äºææ§ãç¶æãããŠããŸãã
;Fortran 2003
:Fortran 2003 ã§ã¯ããªããžã§ã¯ãæåæ©èœã掟çåãC èšèªãšã®çžäºéçšæ§ãããŒã¿æäœãå€ãã® I/O æ©èœã远å ãããŸããããŸããååž°ãµããŒããåäžããŸããã
;Fortran 2008
:Fortran 2003ã®æ¡åŒµãšããŠãããã«æ°ããæ©èœã远å ãããŸãããäŸãã°ãå
±æã¡ã¢ãªã®ãµããŒããªã©ããŸããã³ã¢ã¬ã€ã䞊ååŠçããµãã¢ãžã¥ãŒã«ã远å ãããŸããã
; Fortran 2018: C èšèªãšã®çžäºéçšæ§ã䞊ååŠçæ©èœãããã«åŒ·åãããŠããŸãã
Fortranã¯æ©ãããæšæºåãããèšèªã§ããããå€ãã®äŒæ¥ãç¬èªã®æ¡åŒµãè¡ã£ãŠããŸãããäžæè°ãªããšã«ãIBMãšDECã¯ã»ãšãã©åãæ¡åŒµæ©èœãæã£ãŠããŸããã
== ããŒãžã§ã³éã®çžéç¹ ==
[[File:Punch-card--fortran.jpg|thumb|åæã®ããŒãžã§ã³ã®Fortranã¯ãã³ãã«ãŒããšäžç·ã«äœ¿ãããããšãå€ãã£ããFortran 90以éã®çŸåšã®FortranããŒãžã§ã³ã¯ãå€ããã©ãŒããããæ°ã«ããããšã¯ãããŸãã]]
* FORTRAN 66ã®ã³ã¡ã³ãã¯1åç®ã«<code>C</code>ãšããæåã§ç€ºãããŸãããFORTRAN 77ã®ã³ã¡ã³ãã¯1åç®ã«<code>*</code>ã䜿ãããšãã§ããŸãããŸããFortran 90 ã§ã¯ <code>!</code> æåã®äœ¿çšãå¯èœã§ãã
* FORTRAN 77 ã®ã·ã³ãã«å㯠6 æåã«å¶éãããŠããŸãããFortran 90 ã§ã¯ 31 æåãŸã§ã®ååã䜿çšã§ããŸãã
* FORTRAN 77 ã®ãœãŒã¹ãã¡ã€ã«ã¯åèªãå§ãŸãåã« 6 ã€ã®ã¹ããŒã¹ãå¿
èŠã§ãããFortran 90 ã¯ããã§ã¯ãããŸãã (èªç±åœ¢åŒã®ã³ãŒãã¹ã¿ã€ã«ãæ¡çšããŠãããã)ã
=== 倧æåã®FORTRAN ===
倧æåã®FORTRANã¯ãFORTRAN66ãFORTRAN77ãšåŒã°ãã1950幎代ããéçºãã䜿ãããŠããã¯ã©ã·ãã¯ãªæ°å€èšç®èšèªã§ããæ°èŠã«ããã°ã©ã ãéçºããã«ã¯ãäžèšã®å°æåã®Fortranãæšå¥šãããŸãã
Fortran95ã«ãªã£ãŠãFORTRANã®ããã€ãã®æ©èœãåé€ãããŸããã
åé€ãããæ©èœã®äžäŸ
; ãã¬ãªã¹åæå宿°ïŒHå宿°ïŒ
: <syntaxhighlight lang=FORTRAN>
606 FORMAT ( 9H1GOODBYE. )
</syntaxhighlight>
; PAUSEæ
: <syntaxhighlight lang=FORTRAN>
PAUSE
</syntaxhighlight>
; ASSIGNåGOTOæ
: <syntaxhighlight lang=FORTRAN>
100 . . .
ASSIGN 100 TO H
. . .
GO TO H . . .
</syntaxhighlight>
; 宿°åå¶åŸ¡å€æ°ã®DOæ
: <syntaxhighlight lang=FORTRAN>
DO X = 1.1, 0.1, -0.1
</syntaxhighlight>
; å®è¡æãèšè¿°ã§ããç¯å²ã¯73ïœ80ã«ã©ã ã
; ã³ã¡ã³ãè¡ã¯ïŒã«ã©ã ç®ã«Cãšèšå
¥ããã
; ç¶ç¶è¡ã¯ã6ã«ã©ã ç®ã«ãªãããã®æåãèšå
¥ããã
: å°æåã®Fortranã§ã¯ãèªç±æ¬åœ¢åŒã䜿ããããã«ãªããŸããããŸãã³ã¡ã³ãã«ã¯ '!' ããè¡æ«ãŸã§ã
; è±å€§æåã§ã®èšè¿°ã
: ãã ããFortranã§ãè±å€§æåãšå°æåã¯åºå¥ãããŸãã.
== FORTRAN 77 ãã Fortran 90 ãžã®ç§»è¡ã«ã€ããŠæ³šæç¹ ==
FORTRAN 77ããFortran 90ãžã®ç§»è¡ã«ãããŠèæ
®ãã¹ã泚æç¹ãããã€ãã®å
·äœçãªã³ãŒãäŸã§ç€ºããŸãã
# free-form圢åŒã®ã³ãŒã:
#: FORTRAN 77ã§ã¯ãåºå®åœ¢åŒãäžè¬çã§ããããFortran 90ã§ã¯free-form圢åŒãå°å
¥ãããŸãããè¡ã®å
é ã§æ°åã䜿ããªãèªç±ãªåœ¢åŒã®ã³ãŒãã§ãã
#: <syntaxhighlight lang=fortran>
C FORTRAN 77
PROGRAM EXAMPLE
INTEGER I
DO 10 I = 1, 5
PRINT *, I
10 CONTINUE
END
! Fortran 90
PROGRAM EXAMPLE
INTEGER :: I
DO I = 1, 5
PRINT *, I
END DO
END PROGRAM EXAMPLE
</syntaxhighlight>
# ã¢ãžã¥ãŒã«ã®äœ¿çš:
#: Fortran 90ã§ã¯ãã¢ãžã¥ãŒã«ã䜿çšããŠå€æ°ãæç¶ããã°ã«ãŒãåã§ããŸãã
#: <syntaxhighlight lang=fortran>
C FORTRAN 77
PROGRAM EXAMPLE
INTEGER X, Y
REAL A, B
COMMON /BLOCK1/ X, Y
COMMON /BLOCK2/ A, B
END
! Fortran 90
MODULE mymodule
INTEGER :: X, Y
REAL :: A, B
END MODULE mymodule
PROGRAM EXAMPLE
USE mymodule
! ããã§XãYãAãBã«ã¢ã¯ã»ã¹å¯èœ
END PROGRAM EXAMPLE
</syntaxhighlight>
# åçã¡ã¢ãªå²ãåœãŠ:
#: Fortran 90ã§ã¯ã<code>ALLOCATABLE</code>ã䜿ã£ãåçã¡ã¢ãªå²ãåœãŠãå¯èœã§ãã
#: <syntaxhighlight lang=fortran>
C FORTRAN 77
PROGRAM EXAMPLE
INTEGER, DIMENSION(:) :: ARRAY
PARAMETER (N=100)
ALLOCATE(ARRAY(N))
END
! Fortran 90
PROGRAM EXAMPLE
INTEGER, ALLOCATABLE :: ARRAY(:)
INTEGER :: N
N = 100
ALLOCATE(ARRAY(N))
END PROGRAM EXAMPLE
</syntaxhighlight>
ãããã®äŸã¯ãFORTRAN 77ããFortran 90ãžã®ç§»è¡ã«ãããŠããèŠããã倿Žç¹ã§ãããã ããå
·äœçãªã³ãŒãã«ãã£ãŠã¯ãããªã倿Žãå¿
èŠãšãªããŸããç§»è¡ã®éã«ã¯ãã³ãŒãå
šäœã®æ§é ã倿°ã®ã¹ã³ãŒããã¡ã¢ãªç®¡çãªã©ãæ³šææ·±ãæ€èšããããšãéèŠã§ãã
== Fortran 90 ãã Fortran 95 ãžã®ç§»è¡ã«ã€ããŠæ³šæç¹ ==
Fortran 90ããFortran 95ãžã®ç§»è¡ã¯ãæ¯èŒçå°èŠæš¡ãªå€æŽãå«ãŸããŠããŸããFortran 95ã¯äž»ã«Fortran 90ã®æ©èœãæ¡åŒµããããã€ãã®æ°ããæ©èœã远å ããŠããŸãã以äžã«æ³šæç¹ãå
·äœçãªã³ãŒãäŸãæããŠã¿ãŸãã
; 泚æç¹
# DOã«ãŒãã®END DO:
#* Fortran 95ã§ã¯ãDOã«ãŒãã®çµäºã¯<code>END DO</code>ã¹ããŒãã¡ã³ãã䜿çšããããšãæšå¥šãããŸããFortran 90ã§ã¯<code>END DO</code>ãªãã§ãåäœããŸãããFortran 95ã§ã¯<code>END DO</code>ãå¿
èŠã§ãã
#: <syntaxhighlight lang=fortran>
! Fortran 90
DO I = 1, 10
! ã«ãŒãåŠç
END
! Fortran 95
DO I = 1, 10
! ã«ãŒãåŠç
END DO
</syntaxhighlight>
# ALLOCATABLEé
åã®åæå:
#* Fortran 95ã§ã¯ã<code>ALLOCATABLE</code>ãªé
åã宣èšããåŸãæç€ºçã«<code>ALLOCATE</code>ã¹ããŒãã¡ã³ãã䜿çšããŠã¡ã¢ãªãå²ãåœãŠãããšãæšå¥šãããŸããFortran 90ã§ã¯åæåãçç¥ãããŠããå Žåãé
åã¯èªåçã«åæåãããŸãããFortran 95ã§ã¯åæåãæåŸ
éãã«åäœããªãããšããããŸãã
#: <syntaxhighlight lang=fortran>
! Fortran 90
REAL, ALLOCATABLE :: myArray(:)
! Fortran 95
REAL, ALLOCATABLE :: myArray(:)
ALLOCATE(myArray(10)) ! ã¡ã¢ãªã®å²ãåœãŠ
</syntaxhighlight>
# ALLOCATABLEé
åã®ãã£ã¡ã³ãžã§ã³å€æŽ:
#* Fortran 95ã§ã¯ã<code>ALLOCATABLE</code>ãªé
åã®ãã£ã¡ã³ãžã§ã³ã倿Žããå Žåã<code>ALLOCATE</code>ã¹ããŒãã¡ã³ããå床䜿çšããŠã¡ã¢ãªãåå²ãåœãŠããããšãå¿
èŠã§ãã
#: <syntaxhighlight lang=fortran>
! Fortran 90
REAL, ALLOCATABLE :: myArray(:)
ALLOCATE(myArray(10)) ! ã¡ã¢ãªã®å²ãåœãŠ
! ãã£ã¡ã³ãžã§ã³ã®å€æŽãFortran 95ã§ã¯æšå¥šãããªã
myArray = [1.0, 2.0, ..., 10.0]
! Fortran 95
ALLOCATE(myArray(20)) ! ã¡ã¢ãªã®åå²ãåœãŠ
</syntaxhighlight>
# ASSOCIATEãããã¯:
#* Fortran 95ã§ã¯ã<code>ASSOCIATE</code>ãããã¯ã䜿çšããŠå€æ°ã®é¢é£æ§ã瀺ãããšãã§ããŸããããã¯Fortran 90ã§ã¯å°å
¥ãããŠããªãã£ãæ©èœã§ãã
#: <syntaxhighlight lang=fortran>
! Fortran 95
REAL :: A(5), B(5)
ASSOCIATE (X => A, Y => B)
! XãšYã®äœ¿çš
END ASSOCIATE
</syntaxhighlight>
; ã³ãŒãäŸ
: Fortran 90ããFortran 95ãžã®ç§»è¡ã«é¢ããç°¡åãªã³ãŒãäŸã以äžã«ç€ºããŸãã
: <syntaxhighlight lang=fortran>
! Fortran 90
PROGRAM Fortran90Example
INTEGER :: i
REAL, ALLOCATABLE :: myArray(:)
DO i = 1, 10
myArray(i) = i
END DO
END PROGRAM Fortran90Example
! Fortran 95
PROGRAM Fortran95Example
INTEGER :: i
REAL, ALLOCATABLE :: myArray(:)
ALLOCATE(myArray(20)) ! ã¡ã¢ãªã®åå²ãåœãŠ
DO i = 1, 20
myArray(i) = i
END DO
END PROGRAM Fortran95Example
</syntaxhighlight>
ãã®äŸã§ã¯ã<code>ALLOCATABLE</code>ãªé
åã®åæåãšãã£ã¡ã³ãžã§ã³ã®å€æŽã«é¢ãã倿Žã瀺ãããŠããŸããæ³šæç¹ã«åŸãã<code>ALLOCATE</code>ã¹ããŒãã¡ã³ãã䜿ã£ãŠã¡ã¢ãªã®åå²ãåœãŠãè¡ã£ãŠããŸãã
== Fortran 95 ãã Fortran 2003 ãžã®ç§»è¡ã«ã€ããŠæ³šæç¹ ==
Fortran 95ããFortran 2003ãžã®ç§»è¡ã§ã¯ãããã€ãã®æ°ããæ©èœãå°å
¥ãããèšèªã®æ¡åŒµãè¡ãããŠããŸãã以äžã«æ³šæç¹ãšå
·äœçãªã³ãŒãäŸãæããŠã¿ãŸãã
; 泚æç¹
# ãªããžã§ã¯ãæåããã°ã©ãã³ã°:
#* Fortran 2003ã§ã¯ããªããžã§ã¯ãæåããã°ã©ãã³ã°ãå°å
¥ãããŸãããããã«ã¯æ°ããããŒã¯ãŒããæŠå¿µïŒã¯ã©ã¹ããªããžã§ã¯ããã¡ãœãããªã©ïŒãå«ãŸããŸããã¯ã©ã¹ãšã¡ãœãããå®çŸ©ãããªããžã§ã¯ãæåã®ããã°ã©ã æ§é ãå°å
¥ããããšãã§ããŸãã
#: <syntaxhighlight lang=fortran>
! Fortran 2003
MODULE Shapes
TYPE :: Circle
REAL :: radius
END TYPE Circle
CONTAINS
FUNCTION CalculateArea(obj) RESULT(area)
CLASS(Circle), INTENT(IN) :: obj
REAL :: area
area = 3.14159 * obj%radius**2
END FUNCTION CalculateArea
END MODULE Shapes
</syntaxhighlight>
# åçã¡ã¢ãªå²ãåœãŠã®æ¹å:
#* Fortran 2003ã§ã¯ãããæè»ãªåçã¡ã¢ãªå²ãåœãŠã®æ¹æ³ãå°å
¥ãããŸããã<code>ALLOCATE</code>ã¹ããŒãã¡ã³ãã¯ãã®ãŸãŸå©çšå¯èœã§ãããæ°ããæ¹æ³ãšããŠ<code>DEALLOCATE</code>æãå°å
¥ãããŸããã
#: <syntaxhighlight lang=fortran>
! Fortran 2003
PROGRAM DynamicMemory
REAL, ALLOCATABLE :: array(:)
ALLOCATE(array(10))
! arrayã®äœ¿çš
DEALLOCATE(array)
END PROGRAM DynamicMemory
</syntaxhighlight>
# å
±éãããã¯ã®ä»£æ¿:
#* Fortran 2003ã§ã¯ãå
±éãããã¯ã®ä»£ããã«<code>BLOCK DATA</code>ãš<code>MODULE</code>ã䜿çšããããšãæšå¥šãããŸããããã«ãããã¢ãžã¥ãŒã«å€æ°ãã¢ãžã¥ãŒã«æç¶ãã䜿çšããŠããŒã¿ã®å
±æãè¡ããŸãã
#: <syntaxhighlight lang=fortran>
! Fortran 2003
MODULE SharedData
REAL :: sharedVariable
END MODULE SharedData
PROGRAM MainProgram
USE SharedData
! sharedVariableã®äœ¿çš
END PROGRAM MainProgram
</syntaxhighlight>
; ã³ãŒãäŸ
: Fortran 95ããFortran 2003ãžã®ç§»è¡ã«é¢ããç°¡åãªã³ãŒãäŸã以äžã«ç€ºããŸãã
: <syntaxhighlight lang=fortran>
! Fortran 95
PROGRAM Fortran95Example
INTEGER :: i
REAL, ALLOCATABLE :: myArray(:)
ALLOCATE(myArray(20))
DO i = 1, 20
myArray(i) = i
END DO
DEALLOCATE(myArray)
END PROGRAM Fortran95Example
! Fortran 2003
MODULE SharedData
REAL :: sharedVariable
END MODULE SharedData
PROGRAM Fortran2003Example
USE SharedData
REAL, ALLOCATABLE :: myArray(:)
ALLOCATE(myArray(30))
DO i = 1, 30
myArray(i) = i
END DO
DEALLOCATE(myArray)
END PROGRAM Fortran2003Example
</syntaxhighlight>
ãã®äŸã§ã¯ããªããžã§ã¯ãæåããã°ã©ãã³ã°ãåçã¡ã¢ãªå²ãåœãŠãã¢ãžã¥ãŒã«ã®äœ¿çšãšãã£ãFortran 2003ã®æ°æ©èœãå©çšãããŠããŸãã Fortran 2003以éã®ããŒãžã§ã³ã§ã¯ããããã®æ©èœãããã«æ¡åŒµãããŠããŸãã
== Fortran 2003 ãã Fortran 2008 ãžã®ç§»è¡ã«ã€ããŠæ³šæç¹ ==
Fortran 2003ããFortran 2008ãžã®ç§»è¡ã¯ãããã€ãã®éèŠãªæ°æ©èœãæ¹è¯ãå°å
¥ããããã®ã§ãã以äžã«æ³šæç¹ãšå
·äœçãªã³ãŒãäŸãæããŠã¿ãŸãã
;泚æç¹
# CoarraysãšäžŠåããã°ã©ãã³ã°:
#* Fortran 2008ã§ã¯ãå
±æã¡ã¢ãªäžŠåããã°ã©ãã³ã°ã®ããã®CoarraysãšåŒã°ããæ©èœãå°å
¥ãããŸãããããã«ãããç°¡åã«äžŠååãããã³ãŒããèšè¿°ããããšãã§ããŸãããã ãããããæŽ»çšããã«ã¯å¯Ÿå¿ããã³ã³ãã€ã©ãå¿
èŠã§ãã
#: <syntaxhighlight lang=fortran>
! Fortran 2008
PROGRAM ParallelExample
REAL, DIMENSION(:), ALLOCATABLE :: A[:]
REAL, DIMENSION(:), ALLOCATABLE :: B[:]
REAL, DIMENSION(:), ALLOCATABLE :: C[:]
ALLOCATE(A(10), B(10), C(10))
! Coarrayã®äœ¿çš
A[:] = 1.0
B[:] = 2.0
C[:] = A[:] + B[:]
! ã€ãã³ãåæ
SYNC ALL
! ã¡ã€ã³ã¹ã¬ããã®ã¿ãããŒã¿ãåºå
IF (THIS_IMAGE() == 1) THEN
PRINT *, C
END IF
END PROGRAM ParallelExample
</syntaxhighlight>
# ãµãã¢ãžã¥ãŒã«:
#* Fortran 2008ã§ã¯ããµãã¢ãžã¥ãŒã«ãšåŒã°ããæ©èœã远å ãããã¢ãžã¥ãŒã«å
ã§ã¢ãžã¥ãŒã«æç¶ããå®çŸ©ã§ããããã«ãªããŸãããããã«ãããã¢ãžã¥ãŒã«ã®éå±€æ§é ãããæè»ã«æ§ç¯ã§ããŸãã
#: <syntaxhighlight lang=fortran>
! Fortran 2008
MODULE ParentModule
REAL :: parentVariable
CONTAINS
SUBMODULE(SubModule1)
! ãµãã¢ãžã¥ãŒã«1ã®å®çŸ©
END SUBMODULE
SUBMODULE(SubModule2)
! ãµãã¢ãžã¥ãŒã«2ã®å®çŸ©
END SUBMODULE
END MODULE ParentModule
</syntaxhighlight>
# ç¬èªã®ããŒã¿å:
#* Fortran 2008ã§ã¯ã掟çåã®æ©èœãæ¡åŒµãããæ°ããããŒã¿åãäœæãããããªããŸãããããã«ããããªããžã§ã¯ãæåããã°ã©ãã³ã°ã®æ©èœãåäžããŸããã
#: <syntaxhighlight lang=fortran>
! Fortran 2008
MODULE MyModule
TYPE :: Point
REAL :: x, y
END TYPE Point
TYPE, EXTENDS(Point) :: Point3D
REAL :: z
END TYPE Point3D
END MODULE MyModule
</syntaxhighlight>
;ã³ãŒãäŸ
: Fortran 2003ããFortran 2008ãžã®ç§»è¡ã«é¢ããç°¡åãªã³ãŒãäŸã以äžã«ç€ºããŸãã
: <syntaxhighlight lang=fortran>
! Fortran 2003
MODULE SharedData
REAL :: sharedVariable
END MODULE SharedData
PROGRAM Fortran2003Example
USE SharedData
REAL, ALLOCATABLE :: myArray(:)
ALLOCATE(myArray(30))
DO i = 1, 30
myArray(i) = i
END DO
DEALLOCATE(myArray)
END PROGRAM Fortran2003Example
! Fortran 2008
PROGRAM Fortran2008Example
REAL, DIMENSION(:), ALLOCATABLE :: A[:]
REAL, DIMENSION(:), ALLOCATABLE :: B[:]
REAL, DIMENSION(:), ALLOCATABLE :: C[:]
ALLOCATE(A(10), B(10), C(10))
! Coarrayã®äœ¿çš
A[:] = 1.0
B[:] = 2.0
C[:] = A[:] + B[:]
! ã€ãã³ãåæ
SYNC ALL
! ã¡ã€ã³ã¹ã¬ããã®ã¿ãããŒã¿ãåºå
IF (THIS_IMAGE() == 1) THEN
PRINT *, C
END IF
END PROGRAM Fortran2008Example
</syntaxhighlight>
ãã®äŸã§ã¯ãCoarraysããµãã¢ãžã¥ãŒã«ã®å©çšã«ããFortran 2008ã®æ°æ©èœã瀺ãããŠããŸããFortran 2008ã¯Fortranèšèªã®é²åã®äžã§å€§ããªå€é©ãããããã䞊åããã°ã©ãã³ã°ãã¢ãžã¥ãŒã«ã®æ©èœåŒ·åãªã©ãå ãããŸããã
== Fortran 2008 ãã Fortran 2018 ãžã®ç§»è¡ã«ã€ããŠæ³šæç¹ ==
Fortran 2008ããFortran 2018ãžã®ç§»è¡ã§ã¯ãèšèªä»æ§ã®æ¡åŒµãæ°æ©èœã®è¿œå ãäž»ãªå€æŽç¹ãšãªããŸãã以äžã«ã泚æç¹ãšå
·äœçãªã³ãŒãäŸãæããŠã¿ãŸãã
;泚æç¹
# Asynchronous Input/Output:
#* Fortran 2018ã§ã¯éåæå
¥åºåïŒAsynchronous I/OïŒãå°å
¥ãããŸãããããã«ããããã¡ã€ã«ãžã®éåææžã蟌ã¿ãéåæèªã¿åãããµããŒããããŸãã
#: <syntaxhighlight lang=fortran>
! Fortran 2018
PROGRAM AsyncIOExample
INTEGER :: unit
CHARACTER(LEN=100) :: data
OPEN(NEWUNIT=unit, FILE='output.txt', STATUS='REPLACE', ACTION='WRITE')
! éåææžã蟌ã¿
WRITE(unit, ASYNCHRONOUS) 'Hello, World!'
FLUSH(unit)
! éåæèªã¿åã
READ(unit, ASYNCHRONOUS) data
! ã€ãã³ãåæ
CALL SYSTEM_CLOCK(COUNT=nstart)
INQUIRE(unit, IOSTAT=ios)
DO WHILE (ios /= 0)
CALL SYSTEM_CLOCK(COUNT=nend)
IF (nend - nstart > timeout) THEN
PRINT *, 'Timeout error!'
EXIT
END IF
CALL SYSTEM_CLOCK(COUNT=nstart)
INQUIRE(unit, IOSTAT=ios)
END DO
PRINT *, 'Read:', data
CLOSE(unit)
END PROGRAM AsyncIOExample
</syntaxhighlight>
# æšæºåãããæ°åŠé¢æ°:
#* Fortran 2018ã§ã¯ãIEEE 754-2008æšæºã«åºã¥ãæ°åŠé¢æ°ãå°å
¥ãããŸãããããã«ãããæµ®åå°æ°ç¹æŒç®ã®äžè²«æ§ãåäžããŸããã
#: <syntaxhighlight lang=fortran>
! Fortran 2018
PROGRAM MathFunctionsExample
REAL(8) :: x, y
x = 2.0
y = SQRT(x)
PRINT *, 'Square root of', x, 'is', y
END PROGRAM MathFunctionsExample
</syntaxhighlight>
# å調é
ååŠç (Coarray Features Enhancement):
#* Fortran 2018ã§ã¯ãCoarraysã®æ©èœã匷åãããŸãããæ°ããªã©ã€ãã©ãªãææ³ãå°å
¥ãããå
±æã¡ã¢ãªã®æè»ãªæäœãå¯èœã«ãªããŸããã
#: <syntaxhighlight lang=fortran>
! Fortran 2018
PROGRAM CoarrayExample
REAL, DIMENSION(:), ALLOCATABLE :: A[:]
INTEGER :: team_size
! Coarrayã®äœæ
ALLOCATE(A(10)[*])
! å
šãŠã®ã³ã¬ã¯ãã£ãã«ãŒãã€ã¡ãŒãžã§ã®åæ
SYNC ALL
! ããŒã ã®ãµã€ãºã®ååŸ
team_size = TEAM_NUMBER()
! ããŒã ã®äžã§ã®ãã¹ã¿ãŒã³ãŒã
IF (team_size > 1 .AND. THIS_IMAGE() == 1) THEN
! ãµãããŒã ã®äœæ
CALL TEAM(type=4, team_number=my_sub_team)
! ãµãããŒã ã§ã®åŠç
! ...
END IF
! åæè§£é€
SYNC NONE
! Coarrayã®äœ¿çš
A(1)[2] = 42.0
! ã€ãã³ãåæ
SYNC ALL
! çµäº
DEALLOCATE(A)
END PROGRAM CoarrayExample
</syntaxhighlight>
;ã³ãŒãäŸ
:Fortran 2008ããFortran 2018ãžã®ç§»è¡ã«é¢ããç°¡åãªã³ãŒãäŸã以äžã«ç€ºããŸãããã ããFortran 2018ã®æ°æ©èœã®å€ãã¯è€éã§ãç¹ã«éåæå
¥åºåãå調é
ååŠçã®æŽ»çšã¯ã¢ããªã±ãŒã·ã§ã³ã®æ§è³ªã«ããç°ãªããŸãã
: <syntaxhighlight lang=fortran>
! Fortran 2008
PROGRAM Fortran2008Example
REAL, DIMENSION(:), ALLOCATABLE :: A[:]
REAL, DIMENSION(:), ALLOCATABLE :: B[:]
REAL, DIMENSION(:), ALLOCATABLE :: C[:]
ALLOCATE(A(10), B(10), C(10))
! Coarrayã®äœ¿çš
A[:] = 1.0
B[:] = 2.0
C[:] = A[:] + B[:]
! ã€ãã³ãåæ
SYNC ALL
! ã¡ã€ã³ã¹ã¬ããã®ã¿ãããŒã¿ãåºå
IF (THIS_IMAGE() == 1) THEN
PRINT *, C
END IF
END PROGRAM Fortran2008Example
! Fortran 2018
PROGRAM Fortran2018Example
REAL, DIMENSION(:), ALLOCATABLE :: A[:]
REAL, DIMENSION(:), ALLOCATABLE :: B[:]
REAL, DIMENSION(:), ALLOCATABLE :: C[:]
ALLOCATE(A(10), B(10), C(10))
! Coarrayã®äœ¿çš
A[:] = 1.0
B[:] = 2.0
C[:] = A[:] + B[:]
! éåæå
¥åºå
OPEN(NEWUNIT=unit, FILE='output.txt', STATUS='REPLACE', ACTION='WRITE')
WRITE(unit, ASYNCHRONOUS) C
FLUSH(unit)
! ã€ãã³ãåæ
SYNC ALL
! ã¡ã€ã³ã¹ã¬ããã®ã¿ãããŒã¿ãåºå
IF (THIS_IMAGE() == 1) THEN
PRINT *, C
END IF
! éåæå
¥åºåã®ã¯ããŒãº
CLOSE(unit)
END PROGRAM Fortran2018Example
</syntaxhighlight>
ãã®äŸã§ã¯ãéåæå
¥åºåãå調é
ååŠçã®æ°æ©èœã掻çšããFortran 2018ã®æ©èœã瀺ãããŠããŸããFortran 2018ã¯é«åºŠãªäžŠåããã°ã©ãã³ã°ãæ°åŠé¢æ°ã®åŒ·åãªã©ãå€ãã®æ°æ©èœãå«ãŸããŠããŸãã
== Fortran 2018 ãã Fortran 2023 ãžã®ç§»è¡ã«ã€ããŠæ³šæç¹ ==
Fortran 2018ããFortran 2023ãžã®ç§»è¡ã«ã€ããŠãæäŸãããã³ãŒãäŸãèžãŸããŠæ³šæç¹ãè¿°ã¹ãŸãã
; 泚æç¹
# æ°ããäžè§é¢æ°æ©èœã®å°å
¥:
#* Fortran 2023ã§ã¯ãåŸæ¥åã®åŒ§åºŠããŒã¹ã®äžè§é¢æ°ã«å ããŠãè§åºŠããŒã¹ã®äžè§é¢æ°ãçµã¿èŸŒã¿é¢æ°ãšããŠå°å
¥ãããŸãããããã«ãããè§åºŠã«å¯Ÿããäžè§é¢æ°ãçŽæ¥äœ¿çšã§ããããã«ãªããŸããã
# do concurrentã®reductionæŒç®ã®å©çš:
#* Fortran 2023ã§ã¯ã<code>do concurrent</code> æ§æã« <code>reduce</code> æå®åã䜿çšããŠreductionæŒç®ãè¡ãããšãã§ããããã«ãªããŸãããããã«ãããé
åã®æ¬¡å
ãæžå°ãããæŒç®ãåæã«äžŠè¡ããŠå®è¡ã§ããŸãã | 2021-07-17T05:16:57Z | 2024-01-17T23:52:12Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/Fortran/%E6%AD%B4%E5%8F%B2 |
32,024 | Fortran/Hello world | 以äžã¯ç°¡åãªFortranã®ããã°ã©ã ã§ãã
Fortranã¯å€§æåãšå°æåãåºå¥ããªãã®ã§ãæåã®ããã°ã©ã ã¯æ¬¡ã®ããã«ããšãã§ããŸãã
ãã®ããã°ã©ã ã§ã¯ã倧æåå°æåãåºå¥ãããã®ã¯ãprintæã®åŒçšç¬Šã§å²ãŸããéšå("Hello World!")ã ãã§ãã
äžã®ã³ã©ã ã§ç޹ä»ããããªã³ã©ã€ã³ã®ã³ã³ãã€ã«ã»å®è¡ç°å¢ãã«ã¯ã次ã®ãããªç¹æ§ããããŸãã
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èŠããããŸãã
g95, flang ãªã©ããã€ãã®ãªãŒãã³ã»ãœãŒã¹ã»ãœãããŠã§ã¢ã® Fortran èšèªåŠçç³»ããããŸãããããã§ã¯ GNUãããžã§ã¯ãã®GCC(GNU Compiler Collection)ã®Fortranããã³ããšã³ã gfortran ã玹ä»ããŸãã
OnlineGDB ã§ããgfortran-11.3.0 ã䜿ãããŠããŸãã
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ããéããã®æ¹æ³ããããŸãããMSYS2ç°å¢ã«MinGW64ã®äžéšãšããŠãgfortran ãã€ã³ã¹ããŒã«ããæ¹æ³ã玹ä»ããŸã(MSYS2ã®ã€ã³ã¹ããŒã«æ¹æ³ã«ã€ããŠã¯ãé
ãæ¹ããŠç޹ä»ããŸã)ã
MSYS2/MinGW64ã®ããã±ãŒãžãããŒãžã£ã¯ãArch Linux ç±æ¥ã® pacman(1) ã§ãã
ç°å¢ãæ§ç¯ã§ããããã³ã³ãã€ã©ãŒã®ããŒãžã§ã³ã確èªããŸãã
äžã®äŸã¯ãWindows 11 äžã® MSYS2 / MinGW64 äžã®ãgfortran-10.3.0ã§ããç°å¢ã«ãã£ãŠ gfortran ã®ã³ãã³ãåã« prefix ã suffix ãä»ãå ŽåããããŸãã
äŸãã°ãFreeBSDã§ã¯è€æ°ã®ããŒãžã§ã³ã®GCCããã±ãŒãžãå
±åã§ããããããŒãžã§ã³ããšã«suffixãä»ã gfortran12 ã®æ§ãªã³ãã³ãåã«ãªããŸãã
ããã¹ããšãã£ã¿ãªã©ã§ hello.f90 ãçšæãã
ã³ãã³ãã©ã€ã³ããã
ãšãããšããœãŒã¹ã³ãŒã hello.f90 ãã å®è¡åœ¢åŒ hello ãã³ã³ãã€ã«ããŸã(WinowsãOpenVMSã§ã¯ã .EXE ã®æ§ãªæ¡åŒµåãæé»ã«è¿œå ããããããããŸãã)
gfortran ã§ã¯ããã©ã«ãã§FORTRAN 77èŠæ Œã䜿çšããŸã(FORTRAN 77æšæºã§äœ¿çšãããŠããåºå®åœ¢åŒã®ãã©ãŒããããèŠæ±ããã)ã ãã®ãããèªç±åœ¢åŒã®ãã©ãŒããããæå¹ã«ããã«ã¯ããœãŒã¹ãã¡ã€ã«ã®æ¡åŒµåã .f90(ãŸãã¯ãã以éã®èŠæ Œ)ã®ã«ããŠãã³ã³ãã€ã©ãåžæããèŠæ Œãèªåçã«æšæž¬ã§ããããã«ããªããã°ãªããŸãããã»ãã«ããã³ãã³ãã©ã€ã³ãã -ffree-form ãªãã·ã§ã³ãã³ã³ãã€ã©ã«æž¡ãããšã§ãœãŒã¹ãã¡ã€ã«ã®æ¡åŒµåã .f ã§ãèªç±åœ¢åŒã®ãã©ãŒããããæå¹ã«ããããšãã§ããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "以äžã¯ç°¡åãªFortranã®ããã°ã©ã ã§ãã",
"title": "ç°¡åãªFortranããã°ã©ã "
},
{
"paragraph_id": 1,
"tag": "p",
"text": "Fortranã¯å€§æåãšå°æåãåºå¥ããªãã®ã§ãæåã®ããã°ã©ã ã¯æ¬¡ã®ããã«ããšãã§ããŸãã",
"title": "ç°¡åãªFortranããã°ã©ã "
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ãã®ããã°ã©ã ã§ã¯ã倧æåå°æåãåºå¥ãããã®ã¯ãprintæã®åŒçšç¬Šã§å²ãŸããéšå(\"Hello World!\")ã ãã§ãã",
"title": "ç°¡åãªFortranããã°ã©ã "
},
{
"paragraph_id": 3,
"tag": "p",
"text": "äžã®ã³ã©ã ã§ç޹ä»ããããªã³ã©ã€ã³ã®ã³ã³ãã€ã«ã»å®è¡ç°å¢ãã«ã¯ã次ã®ãããªç¹æ§ããããŸãã",
"title": "ã³ã³ãã€ã«ã»å®è¡ç°å¢"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "çæãåé¡ã«ãªãå Žåã¯ãèªãã³ã³ãã€ã«å®è¡ç°å¢ãæ§ç¯ããããšã§è§£æ±ºããå¿
èŠããããŸãã",
"title": "ã³ã³ãã€ã«ã»å®è¡ç°å¢"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "g95, flang ãªã©ããã€ãã®ãªãŒãã³ã»ãœãŒã¹ã»ãœãããŠã§ã¢ã® Fortran èšèªåŠçç³»ããããŸãããããã§ã¯ GNUãããžã§ã¯ãã®GCC(GNU Compiler Collection)ã®Fortranããã³ããšã³ã gfortran ã玹ä»ããŸãã",
"title": "ç°å¢æ§ç¯"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "OnlineGDB ã§ããgfortran-11.3.0 ã䜿ãããŠããŸãã",
"title": "ç°å¢æ§ç¯"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "ãã£ã¹ããªãã¥ãŒã·ã§ã³ã«ãããããã±ãŒãžãããŒãžã£ãšããã±ãŒãžäœç³»ã«éãããããŸããã",
"title": "ç°å¢æ§ç¯"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "ããéããã®æ¹æ³ããããŸãããMSYS2ç°å¢ã«MinGW64ã®äžéšãšããŠãgfortran ãã€ã³ã¹ããŒã«ããæ¹æ³ã玹ä»ããŸã(MSYS2ã®ã€ã³ã¹ããŒã«æ¹æ³ã«ã€ããŠã¯ãé
ãæ¹ããŠç޹ä»ããŸã)ã",
"title": "ç°å¢æ§ç¯"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "MSYS2/MinGW64ã®ããã±ãŒãžãããŒãžã£ã¯ãArch Linux ç±æ¥ã® pacman(1) ã§ãã",
"title": "ç°å¢æ§ç¯"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "ç°å¢ãæ§ç¯ã§ããããã³ã³ãã€ã©ãŒã®ããŒãžã§ã³ã確èªããŸãã",
"title": "ç°å¢æ§ç¯"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "äžã®äŸã¯ãWindows 11 äžã® MSYS2 / MinGW64 äžã®ãgfortran-10.3.0ã§ããç°å¢ã«ãã£ãŠ gfortran ã®ã³ãã³ãåã« prefix ã suffix ãä»ãå ŽåããããŸãã",
"title": "ç°å¢æ§ç¯"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "äŸãã°ãFreeBSDã§ã¯è€æ°ã®ããŒãžã§ã³ã®GCCããã±ãŒãžãå
±åã§ããããããŒãžã§ã³ããšã«suffixãä»ã gfortran12 ã®æ§ãªã³ãã³ãåã«ãªããŸãã",
"title": "ç°å¢æ§ç¯"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "ããã¹ããšãã£ã¿ãªã©ã§ hello.f90 ãçšæãã",
"title": "ç°å¢æ§ç¯"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "ã³ãã³ãã©ã€ã³ããã",
"title": "ç°å¢æ§ç¯"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "ãšãããšããœãŒã¹ã³ãŒã hello.f90 ãã å®è¡åœ¢åŒ hello ãã³ã³ãã€ã«ããŸã(WinowsãOpenVMSã§ã¯ã .EXE ã®æ§ãªæ¡åŒµåãæé»ã«è¿œå ããããããããŸãã)",
"title": "ç°å¢æ§ç¯"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "gfortran ã§ã¯ããã©ã«ãã§FORTRAN 77èŠæ Œã䜿çšããŸã(FORTRAN 77æšæºã§äœ¿çšãããŠããåºå®åœ¢åŒã®ãã©ãŒããããèŠæ±ããã)ã ãã®ãããèªç±åœ¢åŒã®ãã©ãŒããããæå¹ã«ããã«ã¯ããœãŒã¹ãã¡ã€ã«ã®æ¡åŒµåã .f90(ãŸãã¯ãã以éã®èŠæ Œ)ã®ã«ããŠãã³ã³ãã€ã©ãåžæããèŠæ Œãèªåçã«æšæž¬ã§ããããã«ããªããã°ãªããŸãããã»ãã«ããã³ãã³ãã©ã€ã³ãã -ffree-form ãªãã·ã§ã³ãã³ã³ãã€ã©ã«æž¡ãããšã§ãœãŒã¹ãã¡ã€ã«ã®æ¡åŒµåã .f ã§ãèªç±åœ¢åŒã®ãã©ãŒããããæå¹ã«ããããšãã§ããŸãã",
"title": "ç°å¢æ§ç¯"
}
]
| null | {{nav}}
== ç°¡åãªFortranããã°ã©ã ==
以äžã¯ç°¡åãªFortranã®ããã°ã©ã ã§ãã
<!--
ãããããã¹ããšãã£ã¿ïŒ[[w:GNU Emacs|Emacs]]ã[[w:Vim|Vim]]ãªã©ïŒã«è²Œãä»ããããšãã§ããŸãããœãŒã¹ã³ãŒãã¯ãã¬ãŒã³ããã¹ããã¡ã€ã«ã§ãªããã°ãªããŸãããã¯ãŒãã(Microsoft Wordãªã©)ã¯äœ¿ããªãã§ãã ããããã¡ã€ã«åã¯ã'''hello.f90'''ãªã©ãšããŠãã ããããã¡ã€ã«åã®æ¡åŒµå '''.f90''' ã¯ãææ°ã® Fortran ãœãŒã¹ã³ãŒãã«æ
£äŸçã«äœ¿çšãããŸãããã®ä»ã®äžè¬ç㪠Fortran ãã¡ã€ã«ã®æ¡åŒµå㯠'''.f''', '''.FOR''', '''.for''', '''.f77''', '''.f90''', '''.f95''' ã§ããããããã¯å€ããŸãã¯ç¹å®ã® Fortran æšæºã®äœ¿çšã瀺ãããšããããŸãã ãŸãã[[Fortran/ããªããã»ãã·ã³ã°|ããªããã»ãã·ã³ã°]]ããµããŒããããã¡ã€ã«ã«ã¯ '''.F'''ã'''.fpp'''ã'''.FPP'''ã䜿çšããããšãã§ããŸãã
-->
;[https://onlinegdb.com/0d69HDBoV5 ã³ã³ãã€ã«ã»å®è¡äŸ]:<syntaxhighlight lang="fortran">
program hello
print *, "Hello World!"
end program
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang="text">
Hello World!
</syntaxhighlight>
Fortranã¯å€§æåãšå°æåãåºå¥ããªãã®ã§ãæåã®ããã°ã©ã ã¯æ¬¡ã®ããã«ããšãã§ããŸãã
<syntaxhighlight lang="fortran">
Program Hello
Print *, "Hello World!"
End Program
</syntaxhighlight>
ãã®ããã°ã©ã ã§ã¯ã倧æåå°æåãåºå¥ãããã®ã¯ãprintæã®åŒçšç¬Šã§å²ãŸããéšå("Hello World!")ã ãã§ãã
{{ã³ã©ã |ãªã³ã©ã€ã³ã®ã³ã³ãã€ã«ã»å®è¡ç°å¢|
[https://www.onlinegdb.com/online_fortran_compiler OnlineGDB] ã®æ§ãªããªã³ã©ã€ã³ã®ã³ã³ãã€ã«ã»å®è¡ç°å¢ã§ããã°ãŠã§ããã©ãŠã¶ãŒã ãã§ãFortranã®ããã°ã©ã ãã³ã³ãã€ã«ã»å®è¡ã§ããŸãã
äžã®äŸã®ã[https://onlinegdb.com/0d69HDBoV5 ã³ã³ãã€ã«ã»å®è¡äŸ] ã®ãããªãªã³ã¯å
ãéããšããŠã§ããã©ãŠã¶ãŒäžã§ã³ã³ãã€ã«ã»å®è¡ããããšãåºæ¥ãŸãã
}}
== ã³ã³ãã€ã«ã»å®è¡ç°å¢ ==
äžã®ã³ã©ã ã§ç޹ä»ããããªã³ã©ã€ã³ã®ã³ã³ãã€ã«ã»å®è¡ç°å¢ãã«ã¯ã次ã®ãããªç¹æ§ããããŸãã
; é·æ
: ãããã¯ãŒã¯ç°å¢ãšãŠã§ããã©ãŠã¶ãŒããããã°ã³ã³ãã€ã«ã»å®è¡ã§ããã
: ã³ãŒãã®å
±æã URL ãä»ããŠã§ããã
; çæ
: ãšãã£ã¿ãŒãªã©ã®ã䜿ãæ
£ããéçºããŒã«ã䜿ããªãã
: æšæºå
¥åã䜿ãããã°ã©ã ã®å®è¡ã«åããªãã
: èšèªåŠçç³»ã®éžæã®å¹
ãå°ãªãïŒãªãïŒ
çæãåé¡ã«ãªãå Žåã¯ãèªãã³ã³ãã€ã«å®è¡ç°å¢ãæ§ç¯ããããšã§è§£æ±ºããå¿
èŠããããŸãã
==ç°å¢æ§ç¯==
=== gfortran ===
g95, flang ãªã©ããã€ãã®ãªãŒãã³ã»ãœãŒã¹ã»ãœãããŠã§ã¢ã® Fortran èšèªåŠçç³»ããããŸãããããã§ã¯ GNUãããžã§ã¯ãã®GCC(GNU Compiler Collection)ã®Fortranããã³ããšã³ã gfortran ã玹ä»ããŸãã
[https://www.onlinegdb.com/online_fortran_compiler OnlineGDB] ã§ããgfortran-11.3.0 ã䜿ãããŠããŸãã
;[https://onlinegdb.com/dxd5WctpA gfortran -v]:<syntaxhighlight lang=fortran>
Program Hello
call system("gfortran -v")
End Program
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/11/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 11.3.0-1ubuntu1~22.04' --with-bugurl=file:///usr/share/doc/gcc-11/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-11 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --enable-cet --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/gcc-11-xKiWfi/gcc-11-11.3.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-xKiWfi/gcc-11-11.3.0/debian/tmp-gcn/usr --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-build-config=bootstrap-lto-lean --enable-link-serialization=2
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.3.0 (Ubuntu 11.3.0-1ubuntu1~22.04)
</syntaxhighlight>
==== GNU/Linux ====
ãã£ã¹ããªãã¥ãŒã·ã§ã³ã«ãããããã±ãŒãžãããŒãžã£ãšããã±ãŒãžäœç³»ã«éãããããŸããã
===== Debian =====
:<syntaxhighlight lang=bash>
root@penguin:~# uname -a
Linux penguin 6.1.60-08594-g03a802b9a072 #1 SMP PREEMPT_DYNAMIC Fri Jan 12 18:20:08 PST 2024 x86_64 GNU/Linux
root@penguin:~# apt-get install gfortran-14
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
gfortran-14-x86-64-linux-gnu libgfortran-14-dev libgfortran5
Suggested packages:
gfortran-14-multilib gfortran-14-doc libcoarrays-dev
The following NEW packages will be installed:
gfortran-14 gfortran-14-x86-64-linux-gnu libgfortran-14-dev libgfortran5
0 upgraded, 4 newly installed, 0 to remove and 0 not upgraded.
Need to get 93.1 MB of archives.
After this operation, 366 MB of additional disk space will be used.
Do you want to continue? [Y/n]
Get:1 https://deb.debian.org/debian trixie/main amd64 libgfortran5 amd64 14-20240201-3 [836 kB]
Get:2 https://deb.debian.org/debian trixie/main amd64 libgfortran-14-dev amd64 14-20240201-3 [880 kB]
Get:3 https://deb.debian.org/debian trixie/main amd64 gfortran-14-x86-64-linux-gnu amd64 14-20240201-3 [91.3 MB]
Get:4 https://deb.debian.org/debian trixie/main amd64 gfortran-14 amd64 14-20240201-3 [2,688 B]
Fetched 93.1 MB in 15s (6,007 kB/s)
Selecting previously unselected package libgfortran5:amd64.
(Reading database ... 78087 files and directories currently installed.)
Preparing to unpack .../libgfortran5_14-20240201-3_amd64.deb ...
Unpacking libgfortran5:amd64 (14-20240201-3) ...
Selecting previously unselected package libgfortran-14-dev:amd64.
Preparing to unpack .../libgfortran-14-dev_14-20240201-3_amd64.deb ...
Unpacking libgfortran-14-dev:amd64 (14-20240201-3) ...
Selecting previously unselected package gfortran-14-x86-64-linux-gnu.
Preparing to unpack .../gfortran-14-x86-64-linux-gnu_14-20240201-3_amd64.deb ...
Unpacking gfortran-14-x86-64-linux-gnu (14-20240201-3) ...
Selecting previously unselected package gfortran-14.
Preparing to unpack .../gfortran-14_14-20240201-3_amd64.deb ...
Unpacking gfortran-14 (14-20240201-3) ...
Setting up libgfortran5:amd64 (14-20240201-3) ...
Setting up libgfortran-14-dev:amd64 (14-20240201-3) ...
Setting up gfortran-14-x86-64-linux-gnu (14-20240201-3) ...
Setting up gfortran-14 (14-20240201-3) ...
Processing triggers for libc-bin (2.37-15~deb13u1) ...
root@penguin:~# gfortran-14 -v
Using built-in specs.
COLLECT_GCC=gfortran-14
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-linux-gnu/14/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 14-20240201-3' --with-bugurl=file:///usr/share/doc/gcc-14/README.Bugs --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2,rust --prefix=/usr --with-gcc-major-version-only --program-suffix=-14 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/libexec --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-libstdcxx-backtrace --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --enable-cet --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/reproducible-path/gcc-14-14-20240201/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/reproducible-path/gcc-14-14-20240201/debian/tmp-gcn/usr --enable-offload-defaulted --without-cuda-driver --enable-checking=yes,extra,rtl --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.1 20240131 (experimental) [master r14-8680-g2f14c0dbb78] (Debian 14-20240201-3) </syntaxhighlight>
===== Fedora Linux =====
:<syntaxhighlight lang=bash>
$ sudo dnf install gfortran
</syntaxhighlight>
==== Windows ====
ããéããã®æ¹æ³ããããŸããã[https://www.msys2.org/ MSYS2]ç°å¢ã«MinGW64ã®äžéšãšããŠãgfortran ãã€ã³ã¹ããŒã«ããæ¹æ³ã玹ä»ããŸãã
{{Main|MSYS2}}
MSYS2/MinGW64ã®ããã±ãŒãžãããŒãžã£ã¯ãArch Linux ç±æ¥ã® pacman(1) ã§ãã
;MINGW64:<syntaxhighlight lang=bash line>
user@host MINGW64 ~
$ pacman -Syuu
mingw32 is up to date
mingw64 is up to date
ucrt64 is up to date
clang64 is up to date
msys is up to date
user@host MINGW64 ~
$ pacman -S base-devel mingw-w64-x86_64-toolchain
</syntaxhighlight>
<ol>
<li> ããã³ããã« '''MINGW64''' ãããããšã確èªããŠãã ãã
<li> ãŸããããã±ãŒãžã·ã¹ãã ãææ°ã«ããŸãïŒããã€ã質åããããããããŸããïŒã
<li value=9> base-devel ãš mingw-w64-x86_64-toolchain ãã€ã³ã¹ããŒã«ããŸãã
; [https://packages.msys2.org/group/base-devel base-devel]
: åºæ¬çãªéçºçšãŠãŒãã£ãªãã£ãéããã¡ã¿ããã±ãŒãž
: asciidoc autoconf autoconf2.13 autogen automake-wrapper automake1.10 automake1.11 automake1.12 automake1.13 automake1.14 automake1.15 automake1.16 automake1.6 automake1.7 automake1.8 automake1.9 bison btyacc diffstat diffutils dos2unix file flex gawk gdb gettext gettext-devel gperf grep groff help2man texinfo texinfo-tex intltool libtool libunrar libunrar-devel unrar m4 make man-db pacman patch patchutils perl pkgconf pkgfile quilt reflex scons sed swig ttyrec wget xmlto
; [https://packages.msys2.org/group/mingw-w64-x86_64-toolchain mingw-w64-x86_64-toolchain]
: MSYS2/MinGW64çšã®ã»ã«ãéçºçšãŠãŒãã£ãªãã£ãéããã¡ã¿ããã±ãŒãž
: mingw-w64-x86_64-binutils mingw-w64-x86_64-crt-git mingw-w64-x86_64-gcc mingw-w64-x86_64-gcc-ada mingw-w64-x86_64-gcc-fortran mingw-w64-x86_64-gcc-libgfortran mingw-w64-x86_64-gcc-libs mingw-w64-x86_64-gcc-objc mingw-w64-x86_64-libgccjit mingw-w64-x86_64-gdb mingw-w64-x86_64-gdb-multiarch mingw-w64-x86_64-headers-git mingw-w64-x86_64-libmangle-git mingw-w64-x86_64-libwinpthread-git mingw-w64-x86_64-winpthreads-git mingw-w64-x86_64-make mingw-w64-x86_64-pkgconf mingw-w64-x86_64-tools-git mingw-w64-x86_64-winstorecompat-git
</ol>
{{ã³ã©ã |MinGWã»MSYSã®é¢ä¿|
; MinGW
: GNUããŒã«ãã§ãŒã³ã®Windowsåãç§»æ€ç
: å
¬åŒãµã€ãã®ãã¡ã€ã³ã倱å¹
; MinGW-w64
: MinGW ã®ãã©ãŒã¯ã
: 64bit/32bit䞡察å¿ã
: ucrtã«ã察å¿åŒ·åäžã
: clang64ã«ã察å¿åŒ·åäžã
; MSYS
: MinGW äžã®POSIXç°å¢ã
: POSIXç°å¢ã¯ãCygwin ã®ãã©ãŒã¯ã
; MSYS2
: MinGW-w64 äžã®POSIXç°å¢ã
: POSIXç°å¢ã¯ãCygwin ã®ãã©ãŒã¯ã
ä»åã¯MSYS2ãã€ã³ã¹ããŒã«ããŠã pacman ã䜿ã£ãŠããŒã«ãã§ãŒã³ãçšæããŸããã
ããããã®ãœãããŠã§ã¢çŸ€ã®éçºçšç¶æ³ã¯æ¥ã
å€ãããŸãã®ã§ãçŸåšïŒ2021幎8æïŒã®ç¶æ³ãšææ°ã®ç¶æ³ã¯ç°ãªããããããŸããã
}}
=== äœ¿ãæ¹ã»æ³šæç¹ ===
==== ã³ã³ãã€ã©ãŒã®ããŒãžã§ã³ã®ç¢ºèª ====
ç°å¢ãæ§ç¯ã§ããããã³ã³ãã€ã©ãŒã®ããŒãžã§ã³ã確èªããŸãã
;ã³ã³ãã€ã©ãŒã®ããŒãžã§ã³ã®ç¢ºèª:<syntaxhighlight lang=bash>
$ gfortran -v
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
user@hostname MINGW64 ~
Using built-in specs.
COLLECT_GCC=C:\msys64\mingw64\bin\gfortran.exe
COLLECT_LTO_WRAPPER=C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.3.0/lto-wrapper.exe
Target: x86_64-w64-mingw32
Configured with: ../gcc-10.3.0/configure --prefix=/mingw64 --with-local-prefix=/mingw64/local --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32 --target=x86_64-w64-mingw32 --with-native-system-header-dir=/mingw64/x86_64-w64-mingw32/include --libexecdir=/mingw64/lib --enable-bootstrap --enable-checking=release --with-arch=x86-64 --with-tune=generic --enable-languages=c,lto,c++,fortran,ada,objc,obj-c++,jit --enable-shared --enable-static --enable-libatomic --enable-threads=posix --enable-graphite --enable-fully-dynamic-string --enable-libstdcxx-filesystem-ts=yes --enable-libstdcxx-time=yes --disable-libstdcxx-pch --disable-libstdcxx-debug --enable-lto --enable-libgomp --disable-multilib --disable-rpath --disable-win32-registry --disable-nls --disable-werror --disable-symvers --with-libiconv --with-system-zlib --with-gmp=/mingw64 --with-mpfr=/mingw64 --with-mpc=/mingw64 --with-isl=/mingw64 --with-pkgversion='Rev5, Built by MSYS2 project' --with-bugurl=https://github.com/msys2/MINGW-packages/issues --with-gnu-as --with-gnu-ld --with-boot-ldflags='-pipe -Wl,--dynamicbase,--high-entropy-va,--nxcompat,--default-image-base-high -Wl,--disable-dynamicbase -static-libstdc++ -static-libgcc' 'LDFLAGS_FOR_TARGET=-pipe -Wl,--dynamicbase,--high-entropy-va,--nxcompat,--default-image-base-high' --enable-linker-plugin-flags='LDFLAGS=-static-libstdc++\ -static-libgcc\ -pipe\ -Wl,--dynamicbase,--high-entropy-va,--nxcompat,--default-image-base-high\ -Wl,--stack,12582912'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 10.3.0 (Rev5, Built by MSYS2 project)
user@hostname MINGW64 ~
$
</syntaxhighlight>
äžã®äŸã¯ãWindows 11 äžã® MSYS2 / MinGW64 äžã®ãgfortran-10.3.0ã§ããç°å¢ã«ãã£ãŠ gfortran ã®ã³ãã³ãåã« prefix ã suffix ãä»ãå ŽåããããŸãã
äŸãã°ãFreeBSDã§ã¯è€æ°ã®ããŒãžã§ã³ã®GCCããã±ãŒãžãå
±åã§ããããããŒãžã§ã³ããšã«suffixãä»ã gfortran12 ã®æ§ãªã³ãã³ãåã«ãªããŸãã
==== ã³ã³ãã€ã«ãã¹ã ====
ããã¹ããšãã£ã¿ãªã©ã§ hello.f90 ãçšæãã
;hello.f90:<syntaxhighlight lang=fortran>
Program Hello
Print *, "Hello World!"
End Program
</syntaxhighlight>
ã³ãã³ãã©ã€ã³ããã
:<syntaxhighlight lang=bash>
gfortran hello.f90 -o hello
</syntaxhighlight>
ãšãããšããœãŒã¹ã³ãŒã hello.f90 ãã å®è¡åœ¢åŒ hello ãã³ã³ãã€ã«ããŸãïŒWinowsãOpenVMSã§ã¯ã .EXE ã®æ§ãªæ¡åŒµåãæé»ã«è¿œå ããããããããŸããïŒ
gfortran ã§ã¯ããã©ã«ãã§FORTRAN 77èŠæ Œã䜿çšããŸãïŒFORTRAN 77æšæºã§äœ¿çšãããŠããåºå®åœ¢åŒã®ãã©ãŒããããèŠæ±ãããïŒã
ãã®ãããèªç±åœ¢åŒã®ãã©ãŒããããæå¹ã«ããã«ã¯ããœãŒã¹ãã¡ã€ã«ã®æ¡åŒµåã <code>.f90</code>(ãŸãã¯ãã以éã®èŠæ Œ)ã®ã«ããŠãã³ã³ãã€ã©ãåžæããèŠæ Œãèªåçã«æšæž¬ã§ããããã«ããªããã°ãªããŸãããã»ãã«ããã³ãã³ãã©ã€ã³ãã <code>-ffree-form</code> ãªãã·ã§ã³ãã³ã³ãã€ã©ã«æž¡ãããšã§ãœãŒã¹ãã¡ã€ã«ã®æ¡åŒµåã <code>.f</code>ãã§ãèªç±åœ¢åŒã®ãã©ãŒããããæå¹ã«ããããšãã§ããŸãã
{{ã³ã©ã |ã€ã³ãã³ã|
ïŒããªãŒãã©ãŒã èšæ³ã®ïŒFortranã®ææ³äžã¯ã€ã³ãã³ãïŒåäžãïŒã¯äžèŠã§ããã€ãŸã
:<syntaxhighlight lang=fortran>
program hello
print *,"Hello World!"
end program
</syntaxhighlight>
ã®ããã«èšè¿°ããŠãå®è¡å¯èœã§ããããããã€ã³ãã³ããããªãæžãæ¹ã¯ãå¯èªæ§ãäžããã®ã§ãããŸãæšå¥šã§ããŸããã
}}
== èèš» ==
<references /> | 2021-07-17T05:40:33Z | 2024-02-28T05:26:46Z | [
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:ã³ã©ã "
]
| https://ja.wikibooks.org/wiki/Fortran/Hello_world |
32,025 | åºæ¬æ
å ±æè¡è
詊éš/åå詊éšå
é€å¶åºŠ | åœããŒãžãåºæ¬æ
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| https://ja.wikibooks.org/wiki/%E5%9F%BA%E6%9C%AC%E6%83%85%E5%A0%B1%E6%8A%80%E8%A1%93%E8%80%85%E8%A9%A6%E9%A8%93/%E5%8D%88%E5%89%8D%E8%A9%A6%E9%A8%93%E5%85%8D%E9%99%A4%E5%88%B6%E5%BA%A6 |
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{
"paragraph_id": 0,
"tag": "p",
"text": "Fortranã®ããã°ã©ã ã¯ã¡ã€ã³ããã°ã©ã ãšã¢ãžã¥ãŒã«ã§æ§æãããããããã«ãµãã«ãŒãã³ãšé¢æ°ãå«ããããšãã§ããŸãã ããã°ã©ã ã®å®è¡æã«å®è¡ãããã¹ãã³ãŒãã¯ã次ã®ããã«programãããã¯ã«å
¥ããŸãã",
"title": "Introduction"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ã€ã³ãã³ãã¯å¿
é ã§ã¯ãããŸãããæšå¥šããŸããããã°ã©ã åã¯ã¢ã«ãã¡ãããã§å§ãŸããã¢ã«ãã¡ããããæ°åãã¢ã³ããŒã¹ã³ã¢( _ )ãå«ãããšãã§ããŸãã åæã¯è¡ã®çµããã§çµäºããŸãã",
"title": "Introduction"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ããã°ã©ã å(äžèšã³ãŒãäŸã§ã¯ name_of_program ã®éšå)ã倿°åã«ã¯ Fortran ã®æšæºèŠæ Œã«ããæåæ°å¶éããããFortran 90以éã¯31æåãFortran 2003以éã¯63æåã§ãã Fortran 90ããåã®FORTRAN 77ãªã©ã¯ 6 æåã§ããããFortran 90ããåã¯èªç±åœ¢åŒã¯ãŸã ãããŸããã§ããã",
"title": "Introduction"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "FORTRAN 77ã®æ§æã§ã¯ãã³ãã³ãã®åã«6ã€ã®ã¹ããŒã¹ã眮ãå¿
èŠããããŸãããã®6ã€ã®ã¹ããŒã¹ã¯ããã³ãã«ãŒãçã®FORTRANã«ç±æ¥ãããã®ã§ããæåã®6ã€ã®ã¹ããŒã¹ã®åŸã«ãå¿
èŠã«å¿ããŠã€ã³ãã³ãã®ããã®è¿œå ã®ã¹ããŒã¹ã眮ãããšãã§ããŸãã",
"title": "èªç±åœ¢åŒãšåºå®åœ¢åŒ"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ãã ããè¡ã®å¹
ã¯æå€§ã§72æå(æåã®6ã€ã®ã¹ããŒã¹ãå«ã)ãŸã§ãšãªã£ãŠããŸããäœåãªã¹ããŒã¹ãå¿
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"title": "èªç±åœ¢åŒãšåºå®åœ¢åŒ"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "äžéšã®ã³ã³ãã€ã©ã§ã¯ããåºå®åœ¢åŒãã¢ãŒãã§ã¯ãªããèªç±åœ¢åŒããæå®ããããšã§ã6ã¹ããŒã¹ã«ãŒã«ããªãã«ããããåºå®é·ã®è¡ããªãã«ãããããããšãã§ããŸãã GNU Fortranã³ã³ãã€ã©(gfortran)ã䜿çšããŠããå Žåãåãç®çã®ããã«ã³ã³ãã€ã«æã« -ffree-form ã³ãã³ãã©ã€ã³ãªãã·ã§ã³ã䜿çšããããšãã§ããŸãã",
"title": "èªç±åœ¢åŒãšåºå®åœ¢åŒ"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "è¡ã« !(æå笊)ãå
¥ãããšããã®è¡ã®æ®ãã®éšåã¯æ¬¡ã®ããã«ã³ã¡ã³ãã«ãªããŸãã",
"title": "ã³ã¡ã³ã"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "åºå®åœ¢åŒã§ã¯ãæåã®åã« * ããã㯠c ã眮ãããšã§ãäžè¡å
šäœãã³ã¡ã³ããšããŠããŒã¯ããããšãã§ããŸãã",
"title": "ã³ã¡ã³ã"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "倿°ã«ã¯ãããŸããŸãªçš®é¡ããªãã·ã§ã³ããããŸãããããã§ã¯åºæ¬çãªããšã説æããŸãã",
"title": "倿°"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "ãã¹ãŠã®ããã°ã©ã 倿°ã®æç€ºçãªå®£èšã匷å¶ããããšã«ããã¿ã€ããã¹ãé²ãããã«ã倿°å®£èšãããå
ã«implicit noneæã䜿çšããããšããå§ãããŸãã",
"title": "倿°"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "æ°åŠã®æŒç®åã«ã¯ãäžå®ã®åªå
é äœããããŸãã",
"title": "æ°åŠæŒç®å"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "** ã¯åžžã«æåã«æ¥ãŸããå³ããå·Šãžã®çµåã§ãã",
"title": "æ°åŠæŒç®å"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "次ã«ã*(ä¹ç®)ãš / (é€ç®)ããããŸãããããã¯å·Šããå³ãžã®çµåã§ãã",
"title": "æ°åŠæŒç®å"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "次ã®é çªã¯ã+(å ç®)ãš -(æžç®)ã§ãããããã¯å·Šããå³ãžã®çµåãªã®ã§ãx-y+z = (x-y)+z = x+(-y)+zãšãªããŸãã",
"title": "æ°åŠæŒç®å"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "æåŸã¯ã= [代å
¥]ã§ãã",
"title": "æ°åŠæŒç®å"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "Fortranã«ã¯ãsinãexpãlogãªã©ãæ°å€èšç®ã«äŸ¿å©ãªé¢æ°ãè±å¯ã«çšæãããŠããŸãã颿°ã®åŒæ°ã¯é©åãªåã§ãªããã°ãªãããããã¯æ¬åŒ§ã§å²ãŸããŸãã",
"title": "æ°åŠæŒç®å"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "Fortranã®æ°åŠé¢æ°ã¯elementalã§ãããã¹ã«ã©ã ãã§ãªãé
åãåŒæ°ã«åããã¹ã«ã©ãŸãã¯åã圢ã®é
åãè¿ãããšãã§ããŸãã",
"title": "æ°åŠæŒç®å"
},
{
"paragraph_id": 17,
"tag": "p",
"text": "äžã®ã³ãŒãçã¯ãé
åxã®2ã€ã®èŠçŽ ãx(1)ãšx(2)ããããããsin(pi)ãšsin(pi/2)ã«èšå®ããŸãã",
"title": "æ°åŠæŒç®å"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "ifæãªã©ã§ã¯ãé¢ä¿æŒç®åã® = {\\displaystyle =} ã < {\\displaystyle <} ã > {\\displaystyle >} ã †{\\displaystyle \\leq } ã ⥠{\\displaystyle \\geq } ã â {\\displaystyle \\neq } ããããã.eq.ã.lt.ã.gt.ã.le.ã.ge.ã.ne.ãšè¡šèšããããšãã§ããŸãããããã®æŒç®åã®å¥ã®æžãæ¹ã¯ããããã==ã<ã>ã<=ã>=ã/=ãšãªããŸãã",
"title": "æ¯èŒæŒç®åãšè«çæŒç®å"
},
{
"paragraph_id": 19,
"tag": "p",
"text": "ãŸããè«çæŒç®åã®.and.ã.or.ã.not.ããè«ç宿°ã®.true.ã.false.ã䜿ãããšãã§ããŸãã ãããã®é
ç®ãçµã¿åãããéã«ã¯ãããããäºéã«ããŠã¯ãããŸãããäŸãã°ãa .and. .not.bã¯ãa.and.not.bãšåãã§ãããa.and..not.bã§ã¯ãããŸããã",
"title": "æ¯èŒæŒç®åãšè«çæŒç®å"
},
{
"paragraph_id": 20,
"tag": "p",
"text": "(*,*)ã¯ãããã©ã«ãã®åºåãããã©ã«ãã®ãªãã·ã§ã³ã§äœ¿çšããããšãæå³ããéåžžã¯print to screenã䜿çšããŸãã åŒçšç¬Šã§å²ãŸãããã®ã¯ãã³ãŒãå
ã§ã®èŠãç®éãã«åºåããã倿°ã®å€ãåºåãããŸãããªããžã§ã¯ãã¯ã«ã³ãã§åºåããªããã°ãªãã,writeæã¯ããã©ã«ãã§èªåçã«æ¹è¡ãããŸãã",
"title": "WRITEæ"
},
{
"paragraph_id": 21,
"tag": "p",
"text": "å®å
šãªæ£åŒãªæ§æã¯ä»¥äžã®éãã§ãã",
"title": "WRITEæ"
},
{
"paragraph_id": 22,
"tag": "p",
"text": "ãªããFortranã®ããŒãžã§ã³ã«ãã£ãŠã¯ãããã«ã¯ã©ãŒãã䜿ãããã·ã³ã°ã«ã¯ã©ãŒããå¿
èŠãªãã®ããããŸãã ã·ã³ã°ã«ã¯ã©ãŒãã§å²ãŸãããã®ã¯ãäºéã«ããããšã§è¡šçŸã§ããŸãã äŸãã°ã'don''t'ã®ããã«ãªããŸãã",
"title": "WRITEæ"
},
{
"paragraph_id": 23,
"tag": "p",
"text": "WRITEãŸãã¯READã®æåã®æ¬åŒ§ä»ãåŒæ°ã¯ããŠãããçªå·ã§ãã ãŠãããçªå·ã¯ããªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã«ãã£ãŠæ±ºå®ãããæ¹æ³ã§ãå
¥åãŸãã¯åºåã¹ããªãŒã ã«é¢é£ä»ããããŸãã éåžžã«å€ãã·ã¹ãã ã§ã¯ããŠãããã»ãã³ããŒã¯ããã€ã¹ã»ã¢ãã¬ã¹ã§ãã IBM JCLã·ã¹ãã ã§ã¯ããŠãããçªå·ãšãã¡ã€ã«ã®é¢é£ä»ãã¯ãJCLã®DDã¹ããŒãã¡ã³ã(Define data; ããŒã¿å®çŸ©)ã§è¡ãããŸãã ä»ã®ããŒãžã§ã³ã§ã¯ããã¡ã€ã«ãšãŠããããé¢é£ä»ããäœããã®ã¹ããŒãã¡ã³ãããããŸãã UNIT=ã¿ã°ã¯çç¥ããŠãããã ãŠãããçªå·ã«ã¢ã¹ã¿ãªã¹ã¯ã䜿ãããŠããå Žåãé¢ä¿ããI/Oã¯æšæºå
¥åãã£ãã«ããŸãã¯æšæºåºåãã£ãã«ã§ã",
"title": "WRITEæ"
},
{
"paragraph_id": 24,
"tag": "p",
"text": "WRITEãŸãã¯READã®2çªç®ã®æ¬åŒ§ä»ãã®åŒæ°ã¯ãã¬ã³ãŒãçªå·ã§ã ãã®åŒæ°ãããå Žåã«ã¯ããŠãããçªå·ãšã·ã³ã°ã«ã¯ã©ãŒãã§åºåãããããšã«æ³šæããŠãã ããã ãã®å€æ°ããããšãã©ã®ã¬ã³ãŒãçªå·ããèªã¿èŸŒãã ãæžã蟌ãã ãããããå®çŸ©ããŸãã äŸãã°ã以äžã®ããã«ãªããŸãã",
"title": "WRITEæ"
},
{
"paragraph_id": 25,
"tag": "p",
"text": "x, y, zããã·ã³åºæã®ãã©ãŒãããã«ããã¯ããŠã¬ã³ãŒãçªå·5ã«æžã蟌ã¿ãŸãã ãã¡ããããã®äœ¿ãæ¹ãããã«ã¯ãOSãFortranã³ã³ãã€ã©ãã¬ã³ãŒãã®æ§æãç¥ã£ãŠããå¿
èŠãããããšã«æ³šæããŠãã ããã ãã€ãç·šæã®ãã¡ã€ã«ã§ã¯ãäžèšã®ã³ãŒãã¯ãã¡ã€ã«ã®ãã€ãçªå·5ããx, y, zãæžã蟌ãããšã«ãªããŸãã",
"title": "WRITEæ"
},
{
"paragraph_id": 26,
"tag": "p",
"text": "WRITEãŸãã¯READã®3çªç®ã®æ¬åŒ§ä»ãåŒæ°ã¯ããã©ãŒãããçªå·ã§ã ãã®3çªç®ã®åŒæ°ãäžã®ããã«ã¢ã¹ã¿ãªã¹ã¯ãšããŠååšããå Žåããã©ãŒãããã¯æããã«ããã©ã«ãã§ãã ãããå
¥åãåºåã®ãã©ãŒãããã«FORMATæã䜿ãããå Žåã¯ãFORMATæã®ã¹ããŒãã¡ã³ãçªå·ãå
¥ããŸãã äŸãã°ã次ã®ããã«ãªããŸãã",
"title": "WRITEæ"
},
{
"paragraph_id": 27,
"tag": "p",
"text": "formatæã¯ãã€ã³ã©ã€ã³æãšããŠã¯å®è¡ã§ããªãããšã«æ³šæããŠãã ããã readãwriteã§åç
§ãããå Žåã«ã®ã¿äœ¿çšãããŸãã fmt=ã¿ã°ã¯çç¥å¯èœã§ãã ãŸããåŒæ°å
šäœãçç¥ããããšãã§ããŸãã ãã ããformatåŒæ°ãçç¥ããå Žåã¯ããã·ã³åºæã®ããã¯ãããããŒã¿ã䜿ã£ãŠããã©ãŒããããããŠããªãç¶æ
ã§I/Oãå®è¡ãããŸãã",
"title": "WRITEæ"
},
{
"paragraph_id": 28,
"tag": "p",
"text": "WRITEãŸãã¯READã®æåŸã®æ¬åŒ§ä»ãåŒæ°ã¯ããšã©ãŒã»ãã³ãã©ã»ã¹ããŒãã¡ã³ãã»ã©ãã«ã§ã äŸãã°ã次ã®ãããªå Žå",
"title": "WRITEæ"
},
{
"paragraph_id": 29,
"tag": "p",
"text": "ãã³ãŒãã£ã³ã°ãããŠããå Žåãããã¯åºåããŠããã5ã«ã¢ã³ãã©ãŒããããããããšãæå³ããŸãã ãšã©ãŒãçºçããå Žåã¯ãã¹ããŒãã¡ã³ã2(ã¹ããŒãã¡ã³ãã©ãã«ã®åã«2ãã€ããŠããã¹ããŒãã¡ã³ã)ã§å®è¡ãç¶ç¶ããŸãã ãšã©ãŒãçºçããERR=ã®åŒæ°ããªãå Žåã¯ãããã°ã©ã ãç°åžžçµäºããŸãã ãã®ããã«ãERR=ã¯ãä»ã®èšèªã®catchã«æãè¿ããã®ã§ãã ãã®æåŸã®åŒæ°ã¯å®å
šã«çç¥ããããšãã§ããŸãããERR=ã¯äžåºŠäœ¿ã£ãåŒæ°ãçç¥ããããšã¯ã§ããŸããã",
"title": "WRITEæ"
},
{
"paragraph_id": 30,
"tag": "p",
"text": "Fortranã®äžéšã®ããŒãžã§ã³ããŸãã¯äžéšã®èšå®ã§ã¯ããã©ãŒãããæåã䜿çšããŸãã ãã©ãŒãããæåã䜿ãããŠããå Žåãè¡ã®æåã®æåããã®è¡ã®å°å·æ¹æ³ã決å®ããŸãã 1ã¯ãæ°ããããŒãžãæå³ããŸãã 0ã¯ãè¡ã®åã«2ã©ã€ã³ãã£ãŒã(ããã«ã¹ããŒã¹)ãæå³ããŸãã -ã¯ãè¡ã®åã«3ã©ã€ã³ãã£ãŒã(ããªãã«ã»ã¹ããŒã¹)ãæå³ããŸãã +ã¯ãè¡ã®åã«ã©ã€ã³ãã£ãŒãããªã(ãªãŒããŒããªã³ããã)ããšãæå³ããŸãã ãããŠãã¹ããŒã¹ã¯ãè¡ã®åã«1åã®ã©ã€ã³ã»ãã£ãŒããæå³ããŸã(éåžžã®å°å·)ã",
"title": "Example Code"
},
{
"paragraph_id": 31,
"tag": "p",
"text": "ããã¯ãåãããã°ã©ã ãå€é¢šãªåœ¢ã§ããã®ãã©ãŒã ã³ã³ãããŒã«æåã䜿ã£ããã®ã§ãã",
"title": "Example Code"
}
]
| null | {{nav}}
== Introduction ==
Fortranã®ããã°ã©ã ã¯ã¡ã€ã³ããã°ã©ã ãšã¢ãžã¥ãŒã«ã§æ§æãããããããã«[[Fortran/ãµãã«ãŒãã³ãšé¢æ°|ãµãã«ãŒãã³ãšé¢æ°]]ãå«ããããšãã§ããŸãã
ããã°ã©ã ã®å®è¡æã«å®è¡ãããã¹ãã³ãŒãã¯ã次ã®ããã«<code>program</code>ãããã¯ã«å
¥ããŸãã
:<syntaxhighlight lang=fortran>
program name_of_program
! <variable declarations> ...
! <program statements> ...
end program
</syntaxhighlight><!-- ã³ã¡ã³ãéšåãåèš³ããããšããŸããããæ¥æ¬èªãéããªãã³ã³ãã€ã©ã®äºãèæ
®ããŠå°ã®è±èªã®ãŸãŸã«ããŸããã -->
ã€ã³ãã³ãã¯å¿
é ã§ã¯ãããŸãããæšå¥šããŸããããã°ã©ã åã¯ã¢ã«ãã¡ãããã§å§ãŸããã¢ã«ãã¡ããããæ°åãã¢ã³ããŒã¹ã³ã¢ïŒ _ ïŒãå«ãããšãã§ããŸãã
åæã¯è¡ã®çµããã§çµäºããŸãã
ããã°ã©ã åïŒäžèšã³ãŒãäŸã§ã¯ name_of_program ã®éšåïŒã倿°åã«ã¯ Fortran ã®æšæºèŠæ Œã«ããæåæ°å¶éããããFortran 90以éã¯31æå<ref name="jtc1-sc22-wg5-n692-3.2.2">{{cite book
| url = https://wg5-fortran.org/N1601-N1650/N1648.pdf
| title = Fortran 90 -- ISO/IEC 1539 : 1991 (E)
| page=18, §3.2.2 ''Names''
| quote = Constraint: The maximum length of a name is 31 characters.
| publisher = IEC/ISO JTC1/SC22/WG5}}</ref>ãFortran 2003以éã¯63æåã§ã<ref name="jtc1-sc22-wg5-n1648-3.14">{{cite book
| url = https://wg5-fortran.org/N001-N1100/N692.pdf
| title = ISO/IEC JTC1/SC22/WG5 N1648 The New Features of Fortran 2003
| page=23, §3.14 ''Lengths of names and statements''
| quote = Names of length up to 63 characters and statements of up to 256 lines are allowed. The main reason for the longer names and statements is to support the requirements of codes generated automatically.
| publisher = IEC/ISO JTC1/SC22/WG5}}</ref>ã
Fortran 90ããåã®FORTRAN 77ãªã©ã¯ 6 æåã§ããããFortran 90ããåã¯èªç±åœ¢åŒã¯ãŸã ãããŸããã§ããã
== èªç±åœ¢åŒãšåºå®åœ¢åŒ ==
FORTRAN 77ã®æ§æã§ã¯ãã³ãã³ãã®åã«6ã€ã®ã¹ããŒã¹ã眮ãå¿
èŠããããŸãããã®6ã€ã®ã¹ããŒã¹ã¯ããã³ãã«ãŒãçã®FORTRANã«ç±æ¥ãããã®ã§ããæåã®6ã€ã®ã¹ããŒã¹ã®åŸã«ãå¿
èŠã«å¿ããŠã€ã³ãã³ãã®ããã®è¿œå ã®ã¹ããŒã¹ã眮ãããšãã§ããŸãã
ãã ããè¡ã®å¹
ã¯æå€§ã§72æåïŒæåã®6ã€ã®ã¹ããŒã¹ãå«ãïŒãŸã§ãšãªã£ãŠããŸããäœåãªã¹ããŒã¹ãå¿
èŠãªå Žåã¯ã6åç®ã«ä»»æã®æåïŒäžéšã®ã³ã³ãã€ã©ã§ã¯0ãé€ãïŒãå
¥ããããšãã§ããŸãããããããç¶ç¶æåããšåŒã°ãããã³ãã«ãŒãã§ã¯ã2æç®ã®ã«ãŒãã«è¡ãç¶ããããšãã§ããããšãæå³ããŸãã
<syntaxhighlight lang="fortranfixed">
C2345678...
PRINT *,"This is a really....
*...long line.
</syntaxhighlight>
äžéšã®ã³ã³ãã€ã©ã§ã¯ããåºå®åœ¢åŒãã¢ãŒãã§ã¯ãªããèªç±åœ¢åŒããæå®ããããšã§ã6ã¹ããŒã¹ã«ãŒã«ããªãã«ããããåºå®é·ã®è¡ããªãã«ãããããããšãã§ããŸãã
GNU Fortranã³ã³ãã€ã©(gfortran)ã䜿çšããŠããå Žåãåãç®çã®ããã«ã³ã³ãã€ã«æã« ''-ffree-form'' ã³ãã³ãã©ã€ã³ãªãã·ã§ã³ã䜿çšããããšãã§ããŸãã
== ã³ã¡ã³ã ==
è¡ã« <code>!</code>ïŒæå笊ïŒãå
¥ãããšããã®è¡ã®æ®ãã®éšåã¯æ¬¡ã®ããã«ã³ã¡ã³ãã«ãªããŸãã
:<syntaxhighlight lang=fortran>
a = b ! this is a comment
c = d ! this!! is also a comment
</syntaxhighlight>
åºå®åœ¢åŒã§ã¯ãæåã®åã« <code>*</code> ããã㯠<code>c</code> ã眮ãããšã§ãäžè¡å
šäœãã³ã¡ã³ããšããŠããŒã¯ããããšãã§ããŸãã
== 倿° ==
{{Main|[[Fortran/倿°|倿°]]}}
倿°ã«ã¯ãããŸããŸãªçš®é¡ããªãã·ã§ã³ããããŸãããããã§ã¯åºæ¬çãªããšã説æããŸãã
:<syntaxhighlight lang=fortran>
real :: a ! Decimal number.
integer :: b ! Whole number.
character :: c ! Single character.
</syntaxhighlight>
ãã¹ãŠã®ããã°ã©ã 倿°ã®æç€ºçãªå®£èšã匷å¶ããããšã«ããã¿ã€ããã¹ãé²ãããã«ã倿°å®£èšãããå
ã«<code>implicit none</code>æã䜿çšããããšããå§ãããŸãã
== æ°åŠæŒç®å ==
; å ç®ãæžç®ãä¹ç®ãé€ç®:<syntaxhighlight lang=fortran>
+
-
*
/
</syntaxhighlight>
; 代å
¥ :<syntaxhighlight lang=fortran>
=
</syntaxhighlight>
; 环ä¹
: 2**4 㯠2 ã® 4 ä¹ = 16
: <syntaxhighlight lang=fortran>
**
</syntaxhighlight>
æ°åŠã®æŒç®åã«ã¯ãäžå®ã®åªå
é äœããããŸãã
<code>**</code> ã¯åžžã«æåã«æ¥ãŸããå³ããå·Šãžã®çµåã§ãã
:äŸïŒ 2**3**2 = 512, 64ã§ã¯ãããŸããã
次ã«ã<code>*</code>ïŒä¹ç®ïŒãš <code>/</code> ïŒé€ç®ïŒããããŸãããããã¯å·Šããå³ãžã®çµåã§ãã
:ã€ãŸãã1.0/1.0/2.0*6.0 = ((1.0/1.0)/2.0)*6.0 = 3.0 ã§ãã£ãŠã12.0 ã§ã¯ãããŸããã
次ã®é çªã¯ã<code>+</code>ïŒå ç®ïŒãš <code>-</code>ïŒæžç®ïŒã§ãããããã¯å·Šããå³ãžã®çµåãªã®ã§ãx-y+z = (x-y)+z = x+(-y)+zãšãªããŸãã
æåŸã¯ã'''=''' [代å
¥]ã§ãã
=== çµèŸŒã¿é¢æ° ===
Fortranã«ã¯ã<code>sin</code>ã<code>exp</code>ã<code>log</code>ãªã©ãæ°å€èšç®ã«äŸ¿å©ãªé¢æ°ãè±å¯ã«çšæãããŠããŸãã颿°ã®åŒæ°ã¯é©åãªåã§ãªããã°ãªãããããã¯æ¬åŒ§ã§å²ãŸããŸãã
:<syntaxhighlight lang=fortran>
x = sin(3.14159) ! Sets x equal to sin(pi), which is zero.
</syntaxhighlight>
Fortranã®æ°åŠé¢æ°ã¯<code>elemental</code><ref>elementalã¯ãFortranã®ããŒã¯ãŒãã§ã颿°ã«é
åãæž¡ãããæãèŠçŽ æ¯ã«åŠçãè¡ãããŸãã颿°èªèº«ã¯ã¹ã«ã©ãåãåãã¹ã«ã©ãè¿ãå®è£
ãæ±ããããŸãã</ref>ã§ãããã¹ã«ã©ã ãã§ãªãé
åãåŒæ°ã«åããã¹ã«ã©ãŸãã¯åã圢ã®é
åãè¿ãããšãã§ããŸãã
:<syntaxhighlight lang=fortran>
real :: x(2), pi=3.14159
x = sin([pi, pi/2])
</syntaxhighlight>
äžã®ã³ãŒãçã¯ãé
å<code>x</code>ã®2ã€ã®èŠçŽ ã<code>x(1)</code>ãš<code>x(2)</code>ãããããã<code>sin(pi)</code>ãš<code>sin(pi/2)</code>ã«èšå®ããŸãã
== æ¯èŒæŒç®åãšè«çæŒç®å ==
<code>if</code>æãªã©ã§ã¯ãé¢ä¿æŒç®åã®<math>=</math>ã<math><</math>ã<math>></math>ã<math>\leq</math>ã<math>\geq</math>ã<math>\neq</math>ããããã<code>.eq.</code>ã<code>.lt.</code>ã<code>.gt.</code>ã<code>.le.</code>ã<code>.ge.</code>ã<code>.ne.</code>ãšè¡šèšããããšãã§ããŸãããããã®æŒç®åã®å¥ã®æžãæ¹ã¯ããããã<code>==</code>ã<code><</code>ã<code>></code>ã<code><=</code>ã<code>>=</code>ã<code>/=</code>ãšãªããŸãã
ãŸããè«çæŒç®åã®<code>.and.</code>ã<code>.or.</code>ã<code>.not.</code>ããè«ç宿°ã®<code>.true.</code>ã<code>.false.</code>ã䜿ãããšãã§ããŸãã ãããã®é
ç®ãçµã¿åãããéã«ã¯ãããããäºéã«ããŠã¯ãããŸãããäŸãã°ã<code>a .and. .not.b</code>ã¯ã<code>a.and.not.b</code>ãšåãã§ããã<code>a.and..not.b</code>ã§ã¯ãããŸããã
== WRITEæ ==
{{Main|[[Fortran/ããã¹ãå
¥åºå|ããã¹ãå
¥åºå]]}}
:<syntaxhighlight lang=fortran>
write (*,*) "Hello World", variablename, "More text", anothervariable
</syntaxhighlight>
<code>(*,*)</code>ã¯ãããã©ã«ãã®åºåãããã©ã«ãã®ãªãã·ã§ã³ã§äœ¿çšããããšãæå³ããéåžžã¯print to screenã䜿çšããŸãã åŒçšç¬Šã§å²ãŸãããã®ã¯ãã³ãŒãå
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šãªæ£åŒãªæ§æã¯ä»¥äžã®éãã§ãã
:<syntaxhighlight lang=fortran>
write (unit=unit_num, FMT=fmt_label, err=label) "Hello World", variablename, "More text", anothervariable
</syntaxhighlight>
ãªããFortranã®ããŒãžã§ã³ã«ãã£ãŠã¯ãããã«ã¯ã©ãŒãã䜿ãããã·ã³ã°ã«ã¯ã©ãŒããå¿
èŠãªãã®ããããŸãã ã·ã³ã°ã«ã¯ã©ãŒãã§å²ãŸãããã®ã¯ãäºéã«ããããšã§è¡šçŸã§ããŸãã äŸãã°ã<code><nowiki>'don''t'</nowiki></code>ã®ããã«ãªããŸãã
<code>WRITE</code>ãŸãã¯<code>READ</code>ã®æåã®æ¬åŒ§ä»ãåŒæ°ã¯ããŠãããçªå·ã§ãã ãŠãããçªå·ã¯ããªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã«ãã£ãŠæ±ºå®ãããæ¹æ³ã§ãå
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<code>WRITE</code>ãŸãã¯<code>READ</code>ã®2çªç®ã®æ¬åŒ§ä»ãã®åŒæ°ã¯ãã¬ã³ãŒãçªå·ã§ã ãã®åŒæ°ãããå Žåã«ã¯ããŠãããçªå·ãšã·ã³ã°ã«ã¯ã©ãŒãã§åºåãããããšã«æ³šæããŠãã ããã ãã®å€æ°ããããšãã©ã®ã¬ã³ãŒãçªå·ããèªã¿èŸŒãã ãæžã蟌ãã ãããããå®çŸ©ããŸãã äŸãã°ã以äžã®ããã«ãªããŸãã
:<syntaxhighlight lang=fortran>
record_number = 5
write (2, record_number) x, y, z
</syntaxhighlight>
x, y, zããã·ã³åºæã®ãã©ãŒãããã«ããã¯ããŠã¬ã³ãŒãçªå·5ã«æžã蟌ã¿ãŸãã ãã¡ããããã®äœ¿ãæ¹ãããã«ã¯ãOSãFortranã³ã³ãã€ã©ãã¬ã³ãŒãã®æ§æãç¥ã£ãŠããå¿
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:<syntaxhighlight lang=fortran>
write (7,1) 'Hello, world!', i, 'More text', x
1 format (A,I,A,F)
</syntaxhighlight>
<code>format</code>æã¯ãã€ã³ã©ã€ã³æãšããŠã¯å®è¡ã§ããªãããšã«æ³šæããŠãã ããã <code>read</code>ã<code>write</code>ã§åç
§ãããå Žåã«ã®ã¿äœ¿çšãããŸãã <code>fmt=</code>ã¿ã°ã¯çç¥å¯èœã§ãã ãŸããåŒæ°å
šäœãçç¥ããããšãã§ããŸãã ãã ããformatåŒæ°ãçç¥ããå Žåã¯ããã·ã³åºæã®ããã¯ãããããŒã¿ã䜿ã£ãŠããã©ãŒããããããŠããªãç¶æ
ã§I/Oãå®è¡ãããŸãã
<code>WRITE</code>ãŸãã¯<code>READ</code>ã®æåŸã®æ¬åŒ§ä»ãåŒæ°ã¯ããšã©ãŒã»ãã³ãã©ã»ã¹ããŒãã¡ã³ãã»ã©ãã«ã§ã äŸãã°ã次ã®ãããªå Žå
:<syntaxhighlight lang=fortran>
write (5,err=2) x, y, z
</syntaxhighlight>
ãã³ãŒãã£ã³ã°ãããŠããå Žåãããã¯åºåããŠããã5ã«ã¢ã³ãã©ãŒããããããããšãæå³ããŸãã ãšã©ãŒãçºçããå Žåã¯ãã¹ããŒãã¡ã³ã2ïŒã¹ããŒãã¡ã³ãã©ãã«ã®åã«2ãã€ããŠããã¹ããŒãã¡ã³ãïŒã§å®è¡ãç¶ç¶ããŸãã ãšã©ãŒãçºçãã<code>ERR=</code>ã®åŒæ°ããªãå Žåã¯ãããã°ã©ã ãç°åžžçµäºããŸãã ãã®ããã«ã<code>ERR=</code>ã¯ãä»ã®èšèªã®<code>catch</code>ã«æãè¿ããã®ã§ãã ãã®æåŸã®åŒæ°ã¯å®å
šã«çç¥ããããšãã§ããŸããã<code>ERR=</code>ã¯äžåºŠäœ¿ã£ãåŒæ°ãçç¥ããããšã¯ã§ããŸããã
== Example Code ==
{{Main|[[Fortran/ã³ãŒãäŸ]]}}
;[https://onlinegdb.com/dnTk2g471 nearlyuseless]:<syntaxhighlight lang=fortran>
program nearlyuseless
implicit none
real :: temperature
integer :: cows
temperature = 98.6
cows = 9
print *, "There are ", cows, " cows outside."
print *, "You are probably ", temperature, " right now"
end program
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang="text">
There are 9 cows outside.
You are probably 98.5999985 right now
</syntaxhighlight>
Fortranã®äžéšã®ããŒãžã§ã³ããŸãã¯äžéšã®èšå®ã§ã¯ããã©ãŒãããæåã䜿çšããŸãã ãã©ãŒãããæåã䜿ãããŠããå Žåãè¡ã®æåã®æåããã®è¡ã®å°å·æ¹æ³ã決å®ããŸãã <code>1</code>ã¯ãæ°ããããŒãžãæå³ããŸãã <code>0</code>ã¯ãè¡ã®åã«2ã©ã€ã³ãã£ãŒã(ããã«ã¹ããŒã¹)ãæå³ããŸãã <code>-</code>ã¯ãè¡ã®åã«3ã©ã€ã³ãã£ãŒã(ããªãã«ã»ã¹ããŒã¹)ãæå³ããŸãã <code>+</code>ã¯ãè¡ã®åã«ã©ã€ã³ãã£ãŒãããªã(ãªãŒããŒããªã³ããã)ããšãæå³ããŸãã ãããŠãã¹ããŒã¹ã¯ãè¡ã®åã«1åã®ã©ã€ã³ã»ãã£ãŒããæå³ããŸã(éåžžã®å°å·)ã
ããã¯ãåãããã°ã©ã ãå€é¢šãªåœ¢ã§ããã®ãã©ãŒã ã³ã³ãããŒã«æåã䜿ã£ããã®ã§ãã
;[https://onlinegdb.com/vrwu4-mMk oldfasshon]:<syntaxhighlight lang=fortran>
temperature = 98.6
i_cows = 9
write (*,*) 'There are ', i_cows, ' cows outside.'
write (*,*) 'You are probably ', temperature, ' right now.'
end
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang="text">
There are 9 cows outside.
You are probably 98.5999985 right now.
</syntaxhighlight>
== èèš» ==
<references /> | null | 2022-10-19T22:15:58Z | [
"ãã³ãã¬ãŒã:Main",
"ãã³ãã¬ãŒã:Cite book",
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/Fortran/%E5%9F%BA%E6%9C%AC |
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{
"paragraph_id": 0,
"tag": "p",
"text": "ã»ãšãã©ã®ããã°ã©ã ã§ã¯ãåããããã¯ã®ã³ãŒããè€æ°ã®å Žæã§åå©çšãããããšããããããŸããã³ãŒãã®éè€ãæå°éã«æããã³ãŒãã®ã¡ã³ããã³ã¹ã容æã«ããããã«ã¯ããã®ãããªã³ãŒãã®ãããã¯ã¯é¢æ°ãŸãã¯ãµãã«ãŒãã³å
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"title": "颿°ãšãµãã«ãŒãã³"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "å€ãã®ããã°ã©ãã³ã°èšèªã§ã¯ã颿°ãšãµãã«ãŒãã³ãåºå¥ããŸãã(äŸ:C/C++ãPythonãRustãGo)ãçŽç²ãªé¢æ°åããã°ã©ãã³ã°èšèª(äŸ:Haskell)ã§ã¯ããµãã«ãŒãã³ã¯å Žåã«ãã£ãŠã¯å
¥å倿°ãå¯äœçšãšããŠå€æŽã§ãããããã³ãŒããè€éã«ããå¯èœæ§ãããããã颿°ã®ã¿ãèš±å¯ãããŸãã",
"title": "颿°ãšãµãã«ãŒãã³"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "颿°ã¯ãµãã«ãŒãã³ãããã·ã³ãã«ã§ãã颿°ã¯åäžã®å€ãè¿ããªããã°ãªãããwriteæãif (function) thenå
ã®åŒãªã©ã®åŒå
ããåŒã³åºãããšãã§ããŸãããµãã«ãŒãã³ã¯å€ãè¿ããããã®åŒæ°ãä»ããŠå€ãã®å€ãè¿ãããšãã§ããcallããŒã¯ãŒãã䜿çšããŠåç¬ã®ã³ãã³ããšããŠã®ã¿äœ¿çšã§ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "Fortranã§ã¯ãfunctionã䜿çšããŠå€ãŸãã¯å€ã®é
åãè¿ãããšãã§ããŸããæ¬¡ã®ããã°ã©ã ã¯ãæŽæ°ã®èªä¹ãšç«æ¹ã®åãèšç®ããããã«é¢æ°ãåŒã³åºããŸãã",
"title": "颿°"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "åŒæ°iã®intent (in)屿§ã¯ãiã颿°å
ã§å€æŽãããªãããšãæå³ããããã«å¯ŸããŠæ»ãå€jã¯èªåçã«intent (out)ãæã¡ãŸãã funcã®æ»ãå€ã®åã宣èšããå¿
èŠãããããšã«æ³šæããŠãã ããããããçç¥ãããšãäžéšã®ã³ã³ãã€ã©ã§ã¯ã³ã³ãã€ã«ãããŸããã Open64(蚳蚻:Itaniumããã³x86-64ãã€ã¯ãããã»ããµã¢ãŒããã¯ãã£åãã®ç¡æã®ãªãŒãã³ãœãŒã¹ã®æé©åã³ã³ãã€ã©)ã¯èŠåã䌎ã£ãŠçæãããã³ãŒããã³ã³ãã€ã«ããŸãããåäœã¯å®çŸ©ãããŠããŸããã",
"title": "颿°"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "å¥ã®åœ¢åŒ(F77äºæ)ã¯æ¬¡ã®ãšããã§ãã",
"title": "颿°"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "func_nameã®æ»ãå€ã®åããäžèšãšåæ§ã«å®£èšããå¿
èŠããããŸããå¯äžã®éãã¯ãfunc_nameå
ã§func_nameã®æ»ãå€ã®åãåç
§ãããæ¹æ³ã§ãããã®å Žåãæ»ãå€å€æ°ã¯é¢æ°èªäœãšåãååãæã£ãŠããŸãã",
"title": "颿°"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "ååž°é¢æ°ã¯ã以äžã«ç€ºãæ¹æ³ã§å®£èšã§ããã³ãŒããã³ã³ãã€ã«ã§ããããã«ãªããŸãã",
"title": "颿°"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "subroutineã¯ããã®åŒæ°ãä»ããŠè€æ°ã®å€ãè¿ãããã«äœ¿çšã§ããŸããããã¯callæã§åŒã³åºãããŸãã以äžã¯ãã®äŸã§ãã",
"title": "ãµãã«ãŒãã³"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "颿°ãšãµãã«ãŒãã³å
ã§å®£èšããã倿°ã«å¯ŸããŠãæž¡ãå¿
èŠãããå Žåã¯ã€ã³ãã³ã(Intent; æå³)ã远å ããããšãã§ããŸãã ããã©ã«ãã§ã¯ãã€ã³ãã³ãã®ãã§ãã¯ã¯è¡ããããã³ã³ãã€ã©ã«ãã£ãŠèª€ã£ãã³ãŒãã£ã³ã°ãæ€åºãããªãå¯èœæ§ããããŸãã",
"title": "ã€ã³ãã³ã"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "颿°ã¯ãçµæã®ããŒã¿åãå¥ã
ã®å€æ°ãŸãã¯é¢æ°åã§å®çŸ©ã§ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "以äžã«äŸã瀺ããŸã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "æç¶ãã¯ãã¢ãžã¥ãŒã«useã§å«ããããexternalæç¶ããšããŠæå®ããå¿
èŠããããŸãã externalã¯implicitã€ã³ã¿ãŒãã§ã€ã¹ã®ã¿ãæäŸããŸããããã¯ãã³ã³ãã€ã©ãåŒæ°ã®æ°ãããŒã¿åãææ¡ããŠããªããããã³ã³ãã€ã«æã«èŠåãçæã§ããªãããšãæå³ããŸã(ã¢ãžã¥ãŒã«useããã®æç€ºçã€ã³ã¿ãŒãã§ã€ã¹ãšã¯å¯Ÿç
§çã§ããåç
§: Fortran/ãªããžã§ã¯ãæåããã°ã©ãã³ã°)ã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "颿°ãšãµãã«ãŒãã³ã¯ãå
¥å倿°ã倿Žã§ããŸãããµãã«ãŒãã³ã¯åºåå€ãè¿ããªããããå¿
ç¶çã«å
¥å倿°ã倿ŽããŸãã颿°ã¯ããããå¿
èŠã¯ãããŸããããããã©ã«ãã§ã¯å
¥å倿°ã倿Žããããšãèš±å¯ãããŸãã颿°ã¯ããã¹ãŠã®å
¥å倿°ã«intent屿§ã䜿çšããããã«pureããŒã¯ãŒãã䜿çšããŠããããªãå¯äœçš(side-effects)ãæããªãçŽç²ãªé¢æ°ã«å€æã§ããŸãã pureããŒã¯ãŒãã¯ãå®è³ªçã«é¢æ°ããããªãå¯äœçšãæããªãããã«ãã远å ã®å¶éã課ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "pure颿°ã®äŸã瀺ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "ã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "ã«ã³ã³ãã€ã©ã«ããæé©åããããšãå¯èœãšãªããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 17,
"tag": "p",
"text": "ãããŒåã§åŒæ°ãæå®ãããšãå
¥ååŒæ°ã®é åºãä»»æã«æå®ã§ããŸããããã¯ãåŒã³åºãæç¶ããæå³ãããæç¶ãã®ã€ã³ã¿ãŒãã§ã€ã¹ãããã¯ãæã£ãŠããå Žå(moduleã䜿çšãããšèªåçã«äœæããã)ãå¯èœã§ãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "ãŸããäžéšã®ãã©ã¡ãŒã¿ãŒãäœçœ®ã§ãæ®ãã®ãã©ã¡ãŒã¿ãŒããããŒåã§æå®ãããã€ããªããã¡ãœããããããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 19,
"tag": "p",
"text": "次ã«äŸã瀺ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 20,
"tag": "p",
"text": "åŒæ°ã¯optionalãšããŠèšå®ããããšãã§ããŸãã çµã¿èŸŒã¿é¢æ°presentã䜿çšããŠãç¹å®ã®ãã©ã¡ãŒã¿ãŒãèšå®ãããŠãããã©ããã確èªã§ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 21,
"tag": "p",
"text": "以äžã«äŸã瀺ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 22,
"tag": "p",
"text": "æç¶ãããããŒåŒæ°ãšããŠå¥ã®æç¶ããæã£ãŠããå Žåããã®åãæå®ããå¿
èŠããããŸããããã¯ãprocedureæãšãã®åŒæ°ã®å®çŸ©ãããªãinterfaceãããã¯ã䜿çšããŠè¡ãããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 23,
"tag": "p",
"text": "泚æ:åinterfaceãããã¯ã«ã¯ç¬èªã®ã¹ã³ãŒãããããŸãããã®ãããå€éšã®å€ã«ã¢ã¯ã»ã¹ããå¿
èŠãããå Žåã¯ãæç€ºçã«ããããèªã¿èŸŒãå¿
èŠããããŸããããã¯ãimportãŸãã¯useæã«ãã£ãŠå®çŸã§ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 24,
"tag": "p",
"text": "以äžã«äŸã瀺ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 25,
"tag": "p",
"text": "倿°ã®å€ãæç¶ãåŒã³åºãã®éã«ä¿åããã«ã¯ãsave屿§ãæç€ºçã«æå®ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 26,
"tag": "p",
"text": "以äžã«äŸã瀺ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 27,
"tag": "p",
"text": "æŽæ°ã宿°ãè€çŽ ããŒã¿åã«å¯ŸããŠæ©èœããabs颿°ã®ããã«ãç°ãªãå
¥ååŒæ°ã®ããã«åãååã®ãžã§ããªãã¯é¢æ°ãäœæããããšãã§ããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 28,
"tag": "p",
"text": "以äžã®äŸã¯ãæŽæ°ãŸãã¯æååã远å ããadd颿°ãäœæããæ¹æ³ã瀺ããŠããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 29,
"tag": "p",
"text": "æœè±¡åã®ã¿ã€ãããŠã³ãæç¶ããäœæããã«ã¯ãdeferredé
延屿§ãæå®ããå¿
èŠããããŸããããã«ãããåã®å®éã®ãã€ã³ãã£ã³ã°ãè¡ããããŸã§ãåããŠã³ãæç¶ãã¯å®éã«ã¯äœæãããŸãããããã«ãããåã®ãã€ã³ãã£ã³ã°ãã€ã³ããæ±ºå®ããããã«ãããã°ã©ã ã®å®è¡æã«ã¿ã€ãããŠã³ãæç¶ããéžæããæè»æ§ãåäžããŸãã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 30,
"tag": "p",
"text": "詳ããã¯Fortran/ãªããžã§ã¯ãæåããã°ã©ãã³ã°#æœè±¡åã®é
ãåç
§ããŠãã ããã",
"title": "颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ"
},
{
"paragraph_id": 31,
"tag": "p",
"text": "èŠçŽ ã¯ä»»æã®æ¬¡å
ã®ãã©ã¡ãŒã¿ãŒãæäœããæç¶ããäœæããããšãã§ããŸããããŒã¯ãŒã elemental ã¯ãåäžã®ãªããžã§ã¯ã(äŸ:æŽæ°)ã«å¯Ÿããæäœãå®çŸ©ããå Žåã«äœ¿çšãããäžè¬çãªå Žåã¯èªåçã«åŠçãããŸãã",
"title": "èŠçŽ å¥åŠçæç¶ (Elemental)"
},
{
"paragraph_id": 32,
"tag": "p",
"text": "以äžã®äŸã¯ãä»»æã®é·ãã®æŽæ°æ¬¡å
ã®å ç®ã瀺ãããŠããŸãã",
"title": "èŠçŽ å¥åŠçæç¶ (Elemental)"
}
]
| null | {{nav}}
== 颿°ãšãµãã«ãŒãã³ ==
ã»ãšãã©ã®ããã°ã©ã ã§ã¯ãåããããã¯ã®ã³ãŒããè€æ°ã®å Žæã§åå©çšãããããšããããããŸããã³ãŒãã®éè€ãæå°éã«æããã³ãŒãã®ã¡ã³ããã³ã¹ã容æã«ããããã«ã¯ããã®ãããªã³ãŒãã®ãããã¯ã¯é¢æ°ãŸãã¯ãµãã«ãŒãã³å
ã«é
眮ããå¿
èŠããããŸããFortranã®<code>function</code>ã¯ãæ°åŠçãªé¢æ°ã«äŒŒãŠããã0å以äžã®åŒæ°ãå
¥åãšããŠåãåããåäžã®åºåå€ãè¿ããŸããFortranã®<code>subroutine</code>ã¯ãå
¥å倿°ã«å¯ŸããŠããã€ãã®æäœãè¡ãã³ãŒããããã¯ã§ããããµãã«ãŒãã³ãåŒã³åºãããšã§å
¥å倿°ã倿ŽãããŸãã
;颿°åŒã³åºããå«ãåŒïŒ
:<syntaxhighlight lang=fortran>
! func1ã¯ä»ã®å Žæã§å®çŸ©ããã颿°ã§ãã
! ããã¯æŽæ°ãå
¥åãšããŠåãåããå¥ã®æŽæ°ãåºåãšããŠè¿ããŸãã
a = func1(b)
</syntaxhighlight>
;ãµãã«ãŒãã³ã®åŒã³åºãïŒ
:<syntaxhighlight lang=fortran>
! sub1ã¯ä»ã®å Žæã§å®çŸ©ããããµãã«ãŒãã³ã§ãã
! sub1ã¯å
¥å倿°eãšfã«å¯ŸããŠããã€ãã®æäœãè¡ããŸãã
call sub1(e, f)
! ä»ãeãŸãã¯fããŸãã¯ãã®äž¡æ¹ïŒãŸãã¯ã©ã¡ããïŒã倿ŽãããŠããå¯èœæ§ããããŸãã
</syntaxhighlight>
å€ãã®ããã°ã©ãã³ã°èšèªã§ã¯ã颿°ãšãµãã«ãŒãã³ãåºå¥ããŸããïŒäŸïŒ[[Cèšèª|C]]/[[C++]]ã[[Python]]ã[[Rust]]ã[[Go]]ïŒãçŽç²ãªé¢æ°åããã°ã©ãã³ã°èšèªïŒäŸïŒ[[Haskell]]ïŒã§ã¯ããµãã«ãŒãã³ã¯å Žåã«ãã£ãŠã¯å
¥å倿°ãå¯äœçšãšããŠå€æŽã§ãããããã³ãŒããè€éã«ããå¯èœæ§ãããããã颿°ã®ã¿ãèš±å¯ãããŸãã
颿°ã¯ãµãã«ãŒãã³ãããã·ã³ãã«ã§ãã颿°ã¯åäžã®å€ãè¿ããªããã°ãªããã<code>write</code>æã<code>if (function) then</code>å
ã®åŒãªã©ã®åŒå
ããåŒã³åºãããšãã§ããŸãããµãã«ãŒãã³ã¯å€ãè¿ããããã®åŒæ°ãä»ããŠå€ãã®å€ãè¿ãããšãã§ãã<code>call</code>ããŒã¯ãŒãã䜿çšããŠåç¬ã®ã³ãã³ããšããŠã®ã¿äœ¿çšã§ããŸãã
== 颿° ==
Fortranã§ã¯ã<code>function</code>ã䜿çšããŠå€ãŸãã¯å€ã®é
åãè¿ãããšãã§ããŸããæ¬¡ã®ããã°ã©ã ã¯ãæŽæ°ã®èªä¹ãšç«æ¹ã®åãèšç®ããããã«é¢æ°ãåŒã³åºããŸãã
:<syntaxhighlight lang=fortran>
function func(i) result(j)
integer, intent (in) :: i ! å
¥å
integer :: j ! åºå
j = i**2 + i**3
end function
program main
implicit none
integer :: i
integer :: func
i = 3
print *, "sum of the square and cube of", i, "is", func(i)
end program
</syntaxhighlight>
åŒæ°<code>i</code>ã®<code>intent (in)</code>屿§ã¯ã<code>i</code>ã颿°å
ã§å€æŽãããªãããšãæå³ããããã«å¯ŸããŠæ»ãå€<code>j</code>ã¯èªåçã«<code>intent (out)</code>ãæã¡ãŸãã <code>func</code>ã®æ»ãå€ã®åã宣èšããå¿
èŠãããããšã«æ³šæããŠãã ããããããçç¥ãããšãäžéšã®ã³ã³ãã€ã©ã§ã¯ã³ã³ãã€ã«ãããŸããã Open64ïŒèš³èš»ïŒItaniumããã³x86-64ãã€ã¯ãããã»ããµã¢ãŒããã¯ãã£åãã®ç¡æã®ãªãŒãã³ãœãŒã¹ã®æé©åã³ã³ãã€ã©ïŒã¯èŠåã䌎ã£ãŠçæãããã³ãŒããã³ã³ãã€ã«ããŸãããåäœã¯å®çŸ©ãããŠããŸããã
å¥ã®åœ¢åŒïŒF77äºæïŒã¯æ¬¡ã®ãšããã§ãã
<syntaxhighlight lang="fortranfixed">
FUNCTION func_name(a, b)
INTEGER :: func_name
INTEGER :: a
REAL :: b
func_name = (2*a)+b
RETURN
END FUNCTION
PROGRAM cows
IMPLICIT NONE
INTEGER :: func_name
PRINT *, func_name(2, 1.3)
END PROGRAM
</syntaxhighlight>
<code>func_name</code>ã®æ»ãå€ã®åããäžèšãšåæ§ã«å®£èšããå¿
èŠããããŸããå¯äžã®éãã¯ã<code>func_name</code>å
ã§<code>func_name</code>ã®æ»ãå€ã®åãåç
§ãããæ¹æ³ã§ãããã®å Žåãæ»ãå€å€æ°ã¯é¢æ°èªäœãšåãååãæã£ãŠããŸãã
=== ååž°åŒã³åºã ===
ååž°é¢æ°ã¯ã以äžã«ç€ºãæ¹æ³ã§å®£èšã§ããã³ãŒããã³ã³ãã€ã«ã§ããããã«ãªããŸãã
:<syntaxhighlight lang=fortran highlight=1>
recursive function fact(i) result(j)
integer, intent (in) :: i
integer :: j
if (i==1) then
j = 1
else
j = i * fact(i - 1)
end if
end function fact
</syntaxhighlight>
== ãµãã«ãŒãã³ ==
<code>subroutine</code>ã¯ããã®åŒæ°ãä»ããŠè€æ°ã®å€ãè¿ãããã«äœ¿çšã§ããŸããããã¯<code>call</code>æã§åŒã³åºãããŸãã以äžã¯ãã®äŸã§ãã
:<syntaxhighlight lang=fortran>
subroutine square_cube(i, isquare, icube)
integer, intent (in) :: i ! å
¥å
integer, intent (out) :: isquare, icube ! åºå
isquare = i**2
icube = i**3
end subroutine
program main
implicit none
external square_cube ! å€éšãµãã«ãŒãã³
integer :: isq, icub
call square_cube(4, isq, icub)
print *, "i,i^2,i^3=", 4, isq, icub
end program
</syntaxhighlight>
== ã€ã³ãã³ã ==
颿°ãšãµãã«ãŒãã³å
ã§å®£èšããã倿°ã«å¯ŸããŠãæž¡ãå¿
èŠãããå Žåã¯ã€ã³ãã³ãïŒIntent; æå³ïŒã远å ããããšãã§ããŸãã ããã©ã«ãã§ã¯ãã€ã³ãã³ãã®ãã§ãã¯ã¯è¡ããããã³ã³ãã€ã©ã«ãã£ãŠèª€ã£ãã³ãŒãã£ã³ã°ãæ€åºãããªãå¯èœæ§ããããŸãã
* <code>intent (in)</code> - ãããŒåŒæ°ã®å€ã¯æç¶ãå
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* <code>intent (out)</code> - ãããŒåŒæ°ã¯æç¶ãå
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== 颿°ãšãµãã«ãŒãã³ã®ãããªãæ¯èŒ ==
=== ç°ãªã颿°çµæã®å®çŸ© ===
颿°ã¯ãçµæã®ããŒã¿åãå¥ã
ã®å€æ°ãŸãã¯é¢æ°åã§å®çŸ©ã§ããŸãã
以äžã«äŸã瀺ããŸã
:<syntaxhighlight lang=fortran>
function f1(i) result (j)
!! çµæã®å€æ°ïŒå¥ã
ã«æå®ããã
!! çµæã®ããŒã¿åïŒå¥ã
ã«æå®ããã
integer, intent (in) :: i
integer :: j
j = i + 1
end function
integer function f2(i) result (j)
!! çµæã®å€æ°ïŒå¥ã
ã«æå®ããã
!! çµæã®ããŒã¿åïŒãã¬ãã£ãã¯ã¹ã§æå®ããã
integer, intent (in) :: i
j = i + 2
end function
integer function f3(i)
!! çµæã®å€æ°ïŒé¢æ°åã§æå®
!! çµæã®ããŒã¿åïŒãã¬ãã£ãã¯ã¹ã§æå®ããã
integer, intent(in) :: i
f3 = i + 3
end function
function f4(i)
!! çµæã®å€æ°ïŒé¢æ°åã§æå®
!! çµæã®ããŒã¿åïŒå¥ã
ã«æå®ããã
integer, intent (in) :: i
integer :: f4
f4 = i + 4
end function
program main
implicit none
integer :: f1, f2, f3, f4
print *, 'f1(0)', f1(0) ! åºå: 1
print *, 'f2(0)', f2(0) ! åºå: 2
print *, 'f3(0)', f3(0) ! åºå: 3
print *, 'f4(0)', f4(0) ! åºå: 4
end program
</syntaxhighlight>
=== å€éšæç¶ã ===
æç¶ãã¯ãã¢ãžã¥ãŒã«<code>use</code>ã§å«ãããã<code>external</code>æç¶ããšããŠæå®ããå¿
èŠããããŸãã <code>external</code>ã¯'''implicit'''ã€ã³ã¿ãŒãã§ã€ã¹ã®ã¿ãæäŸããŸããããã¯ãã³ã³ãã€ã©ãåŒæ°ã®æ°ãããŒã¿åãææ¡ããŠããªããããã³ã³ãã€ã«æã«èŠåãçæã§ããªãããšãæå³ããŸãïŒã¢ãžã¥ãŒã«<code>use</code>ããã®æç€ºçã€ã³ã¿ãŒãã§ã€ã¹ãšã¯å¯Ÿç
§çã§ããåç
§: [[Fortran/ãªããžã§ã¯ãæåããã°ã©ãã³ã°]]ïŒã
:<syntaxhighlight lang=fortran>
subroutine square_cube(i, isquare, icube)
integer, intent (in) :: i ! input
integer, intent (out) :: isquare, icube ! output
isquare = i**2
icube = i**3
end subroutine
integer function pow4(i)
integer, intent (in) :: i
pow4 = i**4
end function
program main
implicit none
external square_cube ! external subroutine (only implicit interface)
integer :: pow4 ! external function (only implicit interface)
integer :: i, isq, icub
i = 5
call square_cube(i, isq, icub)
print '(A,4I5)', "i,i^2,i^3,i^4=", i, isq, icub, pow4(i)
end program
</syntaxhighlight>
=== çŽç²ãªæç¶ã ===
颿°ãšãµãã«ãŒãã³ã¯ãå
¥å倿°ã倿Žã§ããŸãããµãã«ãŒãã³ã¯åºåå€ãè¿ããªããããå¿
ç¶çã«å
¥å倿°ã倿ŽããŸãã颿°ã¯ããããå¿
èŠã¯ãããŸããããããã©ã«ãã§ã¯å
¥å倿°ã倿Žããããšãèš±å¯ãããŸãã颿°ã¯ããã¹ãŠã®å
¥å倿°ã«<code>intent</code>屿§ã䜿çšããããã«<code>pure</code>ããŒã¯ãŒãã䜿çšããŠããããªã''å¯äœçš''ïŒside-effectsïŒãæããªãçŽç²ãªé¢æ°ã«å€æã§ããŸãã <code>pure</code>ããŒã¯ãŒãã¯ãå®è³ªçã«é¢æ°ããããªã''å¯äœçš''ãæããªãããã«ãã远å ã®å¶éã課ããŸãã
<code>pure</code>颿°ã®äŸã瀺ããŸãã
:<syntaxhighlight lang=fortran>
pure real function square(x)
real, intent (in) :: x
square = x*x
end function
program main
real :: a, b, square
a = 2.0
b = square(a)
! After invoking the square(.) pure function, we can be sure that
! besides assigning the output value of square(a) to b,
! nothing else has been changed.
end program
</syntaxhighlight>
;蚳蚻: äžèšã®ã³ãŒãã§é¢æ° <code>square</code> 㯠<code>pure</code> ãšå®£èšãããŠããã®ã§ãåãå€ãåŒæ°ã«æž¡ããããšå¿
ãåãå€ãè¿ãäºãä¿èšŒãããŸãããã®äºãã
:<syntaxhighlight lang=fortran>
b = square(a) + square(a) + square(a)
</syntaxhighlight>
ã
:<syntaxhighlight lang=fortran>
b = 3 * square(a)
</syntaxhighlight>
ã«ã³ã³ãã€ã©ã«ããæé©åããããšãå¯èœãšãªããŸãã
=== ããŒã¯ãŒãåŒæ° ===
ãããŒåã§åŒæ°ãæå®ãããšãå
¥ååŒæ°ã®é åºãä»»æã«æå®ã§ããŸããããã¯ãåŒã³åºãæç¶ããæå³ãããæç¶ãã®ã€ã³ã¿ãŒãã§ã€ã¹ãããã¯ãæã£ãŠããå ŽåïŒ<code>module</code>ã䜿çšãããšèªåçã«äœæãããïŒãå¯èœã§ãã
ãŸããäžéšã®ãã©ã¡ãŒã¿ãŒãäœçœ®ã§ãæ®ãã®ãã©ã¡ãŒã¿ãŒããããŒåã§æå®ãããã€ããªããã¡ãœããããããŸãã
次ã«äŸã瀺ããŸãã
:<syntaxhighlight lang=fortran>
real function adder(a,b,c,d)
real, intent (in) :: a, b, c, d
adder = a+b+c+d
end function
program main
interface
real function adder(a,b,c,d)
real, intent (in) :: a, b, c, d
end function
end interface
print *, adder(d=1.0, b=2.0, c=1.0, a=1.0) ! specify each parameter by dummy name
print *, adder(1.0, d=1.0, b=2.0, c=1.0) ! specify some parameters by dummy names, other by position
end program
</syntaxhighlight>
=== ãªãã·ã§ã³ã®åŒæ° ===
åŒæ°ã¯<code>optional</code>ãšããŠèšå®ããããšãã§ããŸãã çµã¿èŸŒã¿é¢æ°<code>present</code>ã䜿çšããŠãç¹å®ã®ãã©ã¡ãŒã¿ãŒãèšå®ãããŠãããã©ããã確èªã§ããŸãã
以äžã«äŸã瀺ããŸãã
:<syntaxhighlight lang=fortran>
real function tester(a)
real, intent (in), optional :: a
if (present(a)) then
tester = a
else
tester = 0.0
end if
end function
program main
interface
function tester(a)
real function tester(a)
real, intent (in), optional :: a
end function
end interface
print *, "[no args] tester() :", tester() ! yields: 0.0
print *, "[ args] tester(1.0):", tester(1.0) ! yields: 1.0
end program
</syntaxhighlight>
=== ã€ã³ã¿ãŒãã§ã€ã¹ããã㯠===
æç¶ãããããŒåŒæ°ãšããŠå¥ã®æç¶ããæã£ãŠããå Žåããã®åãæå®ããå¿
èŠããããŸããããã¯ã<code>procedure</code>æãšãã®åŒæ°ã®å®çŸ©ãããªã<code>interface</code>ãããã¯ã䜿çšããŠè¡ãããŸãã
泚æïŒå<code>interface</code>ãããã¯ã«ã¯ç¬èªã®ã¹ã³ãŒãããããŸãããã®ãããå€éšã®å€ã«ã¢ã¯ã»ã¹ããå¿
èŠãããå Žåã¯ãæç€ºçã«ããããèªã¿èŸŒãå¿
èŠããããŸããããã¯ã<code>import</code>ãŸãã¯<code>use</code>æã«ãã£ãŠå®çŸã§ããŸãã
以äžã«äŸã瀺ããŸãã
:<syntaxhighlight lang=fortran>
function tester(a)
real, intent (in) :: a
real :: tester
tester = 2*a + 3
end function tester
program main
interface
function tester(a)
real, intent (in) :: a
real :: tester
end function tester
end interface
print *, "tester(1.0):", tester(1.0) ! yields: 5.0
end program main
</syntaxhighlight>
=== Save屿§ ===
倿°ã®å€ãæç¶ãåŒã³åºãã®éã«ä¿åããã«ã¯ã<code>save</code>屿§ãæç€ºçã«æå®ããŸãã
以äžã«äŸã瀺ããŸãã
:<syntaxhighlight lang=fortran>
subroutine f()
implicit none
integer, save :: i = 0
i = i + 1
print *, "value i:", i
end
program main
implicit none
interface
subroutine f()
integer, save :: i = 0
end
end interface
call f() ! yields: 1
call f() ! yields: 2
call f() ! yields: 3
end program main
</syntaxhighlight>
=== ãžã§ããªãã¯é¢æ° ===
æŽæ°ã宿°ãè€çŽ ããŒã¿åã«å¯ŸããŠæ©èœãã<code>abs</code>颿°ã®ããã«ãç°ãªãå
¥ååŒæ°ã®ããã«åãååã®ãžã§ããªãã¯é¢æ°ãäœæããããšãã§ããŸãã
以äžã®äŸã¯ãæŽæ°ãŸãã¯æååã远å ãã<code>add</code>颿°ãäœæããæ¹æ³ã瀺ããŠããŸãã
:<syntaxhighlight lang=fortran>
module add_mod
implicit none
private
public :: add
interface add
procedure add_int, add_char
end interface add
contains
pure function add_int( x, y )
integer, intent (in) :: x, y
integer :: add_int
add_int = x+y
end function add_int
pure function add_char( x, y )
character (len=*), intent (in) :: x, y
character (len=len(x)+len(y)), allocatable :: add_char
add_char = x // y
end function add_char
end module add_mod
program main
use add_mod
implicit none
print *, "add ints: ", add( 1, 2 )
print *, "add chars: ", add("abc", "def")
end program main
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
add ints: 3
add chars: abcdef
</syntaxhighlight>
=== é
å»¶ (Deferred) ===
æœè±¡åã®ã¿ã€ãããŠã³ãæç¶ããäœæããã«ã¯ã<code>deferred</code>''é
å»¶''屿§ãæå®ããå¿
èŠããããŸããããã«ãããåã®å®éã®ãã€ã³ãã£ã³ã°ãè¡ããããŸã§ãåããŠã³ãæç¶ãã¯å®éã«ã¯äœæãããŸãããããã«ãããåã®ãã€ã³ãã£ã³ã°ãã€ã³ããæ±ºå®ããããã«ãããã°ã©ã ã®å®è¡æã«ã¿ã€ãããŠã³ãæç¶ããéžæããæè»æ§ãåäžããŸãã
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ãåç
§ããŠãã ããã
== èŠçŽ å¥åŠçæç¶ (Elemental) ==
èŠçŽ ã¯ä»»æã®æ¬¡å
ã®ãã©ã¡ãŒã¿ãŒãæäœããæç¶ããäœæããããšãã§ããŸããããŒã¯ãŒã <code>elemental</code> ã¯ãåäžã®ãªããžã§ã¯ãïŒäŸïŒæŽæ°ïŒã«å¯Ÿããæäœãå®çŸ©ããå Žåã«äœ¿çšãããäžè¬çãªå Žåã¯èªåçã«åŠçãããŸãã
以äžã®äŸã¯ãä»»æã®é·ãã®æŽæ°æ¬¡å
ã®å ç®ã瀺ãããŠããŸãã
;[https://onlinegdb.com/b4avZfUsBs ä»»æã®é·ãã®æŽæ°æ¬¡å
ãå ç®ããäŸ]::<syntaxhighlight lang=fortran>
pure elemental function add_int(x, y)
integer, intent(in) :: x, y
integer :: add_int
add_int = x + y
end function add_int
program main
implicit none
interface
pure elemental function add_int(x, y)
integer, intent(in) :: x, y
integer :: add_int
end function add_int
end interface
print *, "add ints:", add_int(1, 2) ! yields: 3
print *, "add arrays:", add_int([1, 2], [2, 3]) ! yields: 3 5
end program main
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
add ints: 3
add arrays: 3 5
</syntaxhighlight> | 2021-07-17T23:02:42Z | 2024-02-11T22:21:50Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/Fortran/%E3%82%B5%E3%83%96%E3%83%AB%E3%83%BC%E3%83%81%E3%83%B3%E3%81%A8%E9%96%A2%E6%95%B0 |
32,037 | Fortran/倿° | ããã°ã©ãã³ã°ã«ãããŠå€æ°ãšã¯ãããã°ã©ã ã倿Žã§ããããŒã¿ã®å
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{
"paragraph_id": 0,
"tag": "p",
"text": "ããã°ã©ãã³ã°ã«ãããŠå€æ°ãšã¯ãããã°ã©ã ã倿Žã§ããããŒã¿ã®å
¥ãç©ã§ããéåžžã倿°ã䜿çšããåã«ã¯ãã©ã®ãããªããŒã¿ãæ ŒçŽãããã®æ
å ±ãæäŸããããã«ã倿°ã宣èšããŸããããããFortranã§ã¯æé»çã«å€æ°ãäœæããããšãã§ããŸãã implicitã®èšè¿°ããªãå Žåãi/Iããn/NãŸã§(inã°ã«ãŒã)ã§å§ãŸã宣èšãããŠããªã倿°ãåŒæ°ã¯integerãšãªãããã以å€ã®å®£èšãããŠããªã倿°ãåŒæ°ã¯realãšãªããŸãã",
"title": "ã¯ããã«"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "å€ãã®äººã¯ã宣èšããã«å€æ°ã䜿ãããšãæªç¿ãšèããŠããŸãããã倿°ã®å®£èšã匷å¶ããããã®ã§ããã°ããŸã :implicit none ãã³ãŒãã£ã³ã°ããŠãã ããã",
"title": "ã¯ããã«"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "éåžžã®å€æ°ã®äŸã以äžã«ç€ºããŸãã",
"title": "äžè¬çãªäŸ"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "以äžã¯ããŸã£ããåãããšãããŠããŸãããããçããããå€é¢šãªåœ¢ã«ãªã£ãŠããŸãã",
"title": "äžè¬çãªäŸ"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ã¡ã¢ãªã®ã¬ã€ã¢ãŠããéèŠããå Žåã¯ãm(1,1)ã®åŸã«m(2,1)ãç¶ããm(1,2)ã¯ç¶ããªãããšã«æ³šæããŠãã ããã",
"title": "äžè¬çãªäŸ"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "倿°ã«å€ãèšå®ããã«ã¯ã倿°ãçå·ã®åã«çœ®ããçå·ã®åŸã«èšå®ãããå€ã眮ããäžèšã®å®£èšãè¡ããšã以äžã®ãããªä»£å
¥ãå¯èœã§ãã",
"title": "äžè¬çãªäŸ"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "倿°ã¯ã代å
¥ã®äž¡ãµã€ãã«çŸããããšãã§ããŸããå³èŸºãå
ã«è©äŸ¡ããããã®å€ã«å€æ°ã代å
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"title": "äžè¬çãªäŸ"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "倿°ã¯ããåããå¥ã®åã«å€æããããšãã§ããŸãããC++ãJavaã®ããã«å€æ°ãåä»ãããã®ã§ã¯ãªããFortranã§ã¯åºæã®æç¶ãã䜿çšããŸãã",
"title": "äžè¬çãªäŸ"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "ãŸããåãããšãããã·ã³ãã«ã§å€é¢šãªåœ¢ã§è¡šçŸããŠããŸãã",
"title": "äžè¬çãªäŸ"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "é
åã®å®£èšã«ã¯2çš®é¡ã®è¡šèšæ³ããããŸããæ¬¡ã®äŸã¯ãintegeråã§é·ã5ã®é
åã®è¡šèšæ³ã瀺ããŠããŸãã",
"title": "é
å"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "倿¬¡å
é
åã®å Žåã¯ã忬¡å
ã®é·ããæå®ããå¿
èŠããããŸããæ¬¡ã®äŸã§ã¯ã5x6ã®æŽæ°è¡åãé·ã(5,6)ã®2次å
é
åã«ãªã£ãŠããå Žåã瀺ããŠããŸã(ããã§ãäž¡æ¹ã®è¡šèšãããŠããŸã)ã",
"title": "é
å"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "é
åã«å®éã®å€ã代å
¥ããã«ã¯ãç¹å®ã®èŠçŽ ã»ç¹å®ã®ç¯å²ã»ãããã¯é
åå
šäœãèšå®ãããšããè€æ°ã®éžæè¢ããããŸãã",
"title": "é
å"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "倿¬¡å
é
åãèšå®ããã«ã¯ãreshapeãshapeã³ãã³ããå©çšããå¿
èŠããããŸãã",
"title": "é
å"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "Fortranã§ã¯åã¡ãžã£ãŒãªé åºãæ¡çšããŠãããããäžã®äŸã§ã¯ããããããªãè¡åãã§ããŠããŸããŸããè¡ã¡ãžã£ãŒã®é åºã§ã¯,次ã®äŸã®ããã«,ã©ã®æ¬¡å
ã§æåã«ãœãŒããããã order åŒæ°ã§æå®ããããšãã§ããŸã.",
"title": "é
å"
}
]
| null | {{nav}}
== ã¯ããã« ==
ããã°ã©ãã³ã°ã«ãããŠå€æ°ãšã¯ãããã°ã©ã ã倿Žã§ããããŒã¿ã®å
¥ãç©ã§ããéåžžã倿°ã䜿çšããåã«ã¯ãã©ã®ãããªããŒã¿ãæ ŒçŽãããã®æ
å ±ãæäŸããããã«ã倿°ã宣èšããŸããããããFortranã§ã¯æé»çã«å€æ°ãäœæããããšãã§ããŸãã <code>implicit</code>ã®èšè¿°ããªãå Žåã<code>i</code>/<code>I</code>ãã<code>n</code>/<code>N</code>ãŸã§(inã°ã«ãŒã)ã§å§ãŸã宣èšãããŠããªã倿°ãåŒæ°ã¯<code>integer</code>ãšãªãããã以å€ã®å®£èšãããŠããªã倿°ãåŒæ°ã¯<code>real</code>ãšãªããŸãã
å€ãã®äººã¯ã宣èšããã«å€æ°ã䜿ãããšãæªç¿ãšèããŠããŸãããã倿°ã®å®£èšã匷å¶ããããã®ã§ããã°ããŸã :<syntaxhighlight lang=fortran inline>implicit none</syntaxhighlight> ãã³ãŒãã£ã³ã°ããŠãã ããã
== äžè¬çãªäŸ ==
éåžžã®å€æ°ã®äŸã以äžã«ç€ºããŸãã
:<syntaxhighlight lang=fortran>
! 宿°ã宣èšããå€ã倿Žã§ããªãããã«ãã
integer, parameter :: num_days_week = 7
! i ãæŽæ°ãj ã j(1) ãã j(2) ã®2ã€ã®æŽæ°ã®é
åãk ã k(0) ãã k(1) ã®2ã€ã®æŽæ°ã®é
åãm ã12èŠçŽ ã®2次å
é
åãšããŠå®£èš
integer :: i, j(2), k(0:1), m(3,4)
! c ã c(0) ãã c(3) ãŸã§ã®4ã€ã®æµ®åå°æ°ç¹æ°ã®é
åãšããŠå®£èš
real :: c(0:3)
! word ãé·ã5ã®æååãšããŠå®£èš
character (len=5) :: word
! .TRUE. ãŸã㯠.FALSE. ã®å€ãæã€è«ç倿°ã宣èš
logical :: tf
</syntaxhighlight>
以äžã¯ããŸã£ããåãããšãããŠããŸãããããçããããå€é¢šãªåœ¢ã«ãªã£ãŠããŸãã
:<syntaxhighlight lang=fortran>
INTEGER, PARAMETER :: num_days_week = 7
DIMENSION j(2), k(0:1), m(3,4), c(0:3)
CHARACTER*5 word
LOGICAL tf
</syntaxhighlight>
ã¡ã¢ãªã®ã¬ã€ã¢ãŠããéèŠããå Žåã¯ãm(1,1)ã®åŸã«m(2,1)ãç¶ããm(1,2)ã¯ç¶ããªãããšã«æ³šæããŠãã ããã
倿°ã«å€ãèšå®ããã«ã¯ã倿°ãçå·ã®åã«çœ®ããçå·ã®åŸã«èšå®ãããå€ã眮ããäžèšã®å®£èšãè¡ããšã以äžã®ãããªä»£å
¥ãå¯èœã§ãã
:<syntaxhighlight lang=fortran>
i = 3*4 ! i ã 3*4 = 12 ã«èšå®ããŸã
j = [1, 4] ! j(1) ã 1ãj(2) ã 4 ã«èšå®ããŸã
c = [1.0, 4.0, 5.0, 9.0] ! c(0) ã 1.0ãc(1) ã 4.0ãc(2) ã 5.0ãc(3) ã 9.0 ã«èšå®ããŸã
word = 'dog' ! word ã "dog" ã«èšå®ããŸãã倿° word ã¯å³åŽã«ã¹ããŒã¹ã§åããããŸã
tf = .true. ! tf ã ç(True) ã«èšå®ããŸã
</syntaxhighlight>
倿°ã¯ã代å
¥ã®äž¡ãµã€ãã«çŸããããšãã§ããŸããå³èŸºãå
ã«è©äŸ¡ããããã®å€ã«å€æ°ã代å
¥ãããŸãã
:<syntaxhighlight lang=fortran>
i = 3 ! i ã¯å€ 3 ãæã¡ãŸã
i = i**i ! i ã¯å€ 3**3 = 27 ãæã¡ãŸã
</syntaxhighlight>
倿°ã¯ããåããå¥ã®åã«å€æããããšãã§ããŸãããC++ãJavaã®ããã«å€æ°ãåä»ãããã®ã§ã¯ãªããFortranã§ã¯åºæã®æç¶ãã䜿çšããŸãã
:<syntaxhighlight lang=fortran>
real :: r = 1.5 ! å粟床浮åå°æ°ç¹æ°
real (kind=8) :: d = 1.5 ! å粟床浮åå°æ°ç¹æ°
integer :: i = 1 ! æŽæ°
print *, dble(r), dble(d), dble(i) ! æ°å€ãå粟床浮åå°æ°ç¹æ°ã«å€æ
print *, real(r), real(d), real(i) ! æ°å€ãå粟床浮åå°æ°ç¹æ°ã«å€æ
print *, int(r), int(d), int(i) ! æ°å€ãæŽæ°ã«å€æ
</syntaxhighlight>
ãŸããåãããšãããã·ã³ãã«ã§å€é¢šãªåœ¢ã§è¡šçŸããŠããŸãã
:<syntaxhighlight lang=fortran>
DOUBLE PRECISION d = 1.5
r = 1.5
i = 1
PRINT *, DBLE(r), DBLE(d), DBLE(i)
PRINT *, REAL(r), REAL(d), REAL(i)
PRINT *, INT(r), INT(d), INT(i)
</syntaxhighlight>
== é
å ==
=== å®£èš ===
é
åã®å®£èšã«ã¯2çš®é¡ã®è¡šèšæ³ããããŸããæ¬¡ã®äŸã¯ã<code>integer</code>åã§é·ã5ã®é
åã®è¡šèšæ³ã瀺ããŠããŸãã
:<syntaxhighlight lang=fortran>
integer, dimension (5) :: arr1
integer :: arr2(5)
</syntaxhighlight>
倿¬¡å
é
åã®å Žåã¯ã忬¡å
ã®é·ããæå®ããå¿
èŠããããŸããæ¬¡ã®äŸã§ã¯ã5x6ã®æŽæ°è¡åãé·ã(5,6)ã®2次å
é
åã«ãªã£ãŠããå Žåã瀺ããŠããŸã(ããã§ãäž¡æ¹ã®è¡šèšãããŠããŸãïŒã
:<syntaxhighlight lang=fortran>
integer, dimension (5,6) :: arr1
integer :: arr2(5,6)
</syntaxhighlight>
=== 代å
¥ãšåæå ===
==== 代å
¥ ====
é
åã«å®éã®å€ã代å
¥ããã«ã¯ãç¹å®ã®èŠçŽ ã»ç¹å®ã®ç¯å²ã»ãããã¯é
åå
šäœãèšå®ãããšããè€æ°ã®éžæè¢ããããŸãã
:<syntaxhighlight lang=fortran>
integer :: arr(3) ! æªåæåã®é
å
arr(1) = 4 ! ç¹å®ã®èŠçŽ ãèšå®ãã
arr(1:2) = [4, 5] ! ç¯å²ãæå®ããŠèšå®ããïŒã¹ã©ã€ã¹è¡šèšïŒ
arr = [4, 5, 6] ! å
šäœã®é
åãèšå®ãã
</syntaxhighlight>
==== åæå ====
;[https://onlinegdb.com/lNDn8mAoy æ§ã
ãªé
å倿°ã®åæåæ¹æ³]:<syntaxhighlight lang=fortran line>
Program Init
integer::a (5) = [1, 2, 3, 4, 5] ! é
åæ§æåã®ä»£æ¿åœ¢åŒ
integer::b (5) = (/1, 2, 3, 4, 5/) ! é
åæ§æåã¹ã«ã©åŒ
integer::c (5) = (/(i, i=1, 5)/) ! é
åæ§æåDO圢å埩
integer::x (5) = 1 ! é
åèŠçŽ ãå
šãŠ1ã«
Print *, a
Print *, b
Print *, c
Print *, x
x = a ! é
å倿°ã«é
å倿°ã代å
¥
Print *, x
Print *, x * 2 ! é
å倿°xã®èŠçŽ å
šãŠã« _ * 2
Print *, 2 ** x ! é
å倿°xã®èŠçŽ å
šãŠã« 2 ** _
end program
</syntaxhighlight>
;:<syntaxhighlight lang="text">
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
1 1 1 1 1
1 2 3 4 5
2 4 6 8 10
2 4 8 16 32
</syntaxhighlight>
倿¬¡å
é
åãèšå®ããã«ã¯ã<code>reshape</code>ã<code>shape</code>ã³ãã³ããå©çšããå¿
èŠããããŸãã
:<syntaxhighlight lang=fortran>
integer :: arr(2,3)
arr = reshape([1,2,3,4,5,6], shape(arr))
!arr= reshape([1,2,3,4,5,6], shape=[2,1]) ! äžèšã®ã³ãã³ããšåã广 - arr ã®åœ¢ç¶ãããŒãã³ãŒããã
! arr ã¯ä»¥äžã®è¡åã衚ããŸãïŒ
! 1 3 5
! 2 4 6
</syntaxhighlight>
Fortranã§ã¯åã¡ãžã£ãŒãªé åºãæ¡çšããŠãããããäžã®äŸã§ã¯ããããããªãè¡åãã§ããŠããŸããŸããè¡ã¡ãžã£ãŒã®é åºã§ã¯ïŒæ¬¡ã®äŸã®ããã«ïŒã©ã®æ¬¡å
ã§æåã«ãœãŒããããã order åŒæ°ã§æå®ããããšãã§ããŸãïŒ
:<syntaxhighlight lang=fortran>
integer :: arr(2,3)
arr = reshape([1,2,3,4,5,6], shape(arr), order=[2,1])
! arr ã¯ä»¥äžã®è¡åã衚ããŸãïŒ
! 1 2 3
! 4 5 6
</syntaxhighlight> | 2021-07-18T03:18:38Z | 2024-02-11T07:48:01Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/Fortran/%E5%A4%89%E6%95%B0 |
32,038 | Fortran/ããã¹ãå
¥åºå | Fortranããã°ã©ã ã¯ãreadæã䜿çšããŠæšæºå
¥åãŸãã¯ãã¡ã€ã«ããèªã¿åããprintæã䜿çšããŠæšæºåºåã«æžã蟌ãããšãã§ããŸããwriteæã䜿çšãããšãæšæºåºåãŸãã¯ãã¡ã€ã«ã«æžã蟌ãããšãã§ããŸãããã¡ã€ã«ã«æžã蟌ãåã«ããã¡ã€ã«ããªãŒãã³ããããã°ã©ãããã¡ã€ã«ãåç
§ããããã®ãŠãããçªå·ãå²ãåœãŠãå¿
èŠããããŸããwriteæã䜿çšããŠããã©ã«ãã®åºåã«ã¹ããŒãã¡ã³ããæžã蟌ãå Žåãæ§æã¯write(*,*)ãšãªããŸããäœ¿ãæ¹ã¯ä»¥äžã®éãã§ãã
ãã®ã³ãŒãã¯ã"Hello World!"ãããã©ã«ãã®åºå(éåžžã¯æšæºåºåãç»é¢)ã«æžã蟌ã¿ãŸããããã¯print *,ã¹ããŒãã¡ã³ãã䜿çšããå Žåãšåæ§ã§ãã
ãã¡ã€ã«åºåã®ãã¢ãšããŠã次ã®ããã°ã©ã ã¯ããŒããŒããã2ã€ã®æŽæ°ãèªã¿åãããã®æŽæ°ãšç©ãåºåãã¡ã€ã«ã«æžã蟌ã¿ãŸãã
ãã¡ã€ã« "results.txt" ã«ã¯ãããã®è¡ãå«ãŸããŸãã
ããã©ã«ãã§ã¯ãåprintãŸãã¯writeã¹ããŒãã¡ã³ãã¯æ°ããè¡ã«å°å·ãéå§ããŸããäŸãã°ã以äžã®ããã«ãªããŸãã
æšæºåºåã«åºåããŸãã
ããã"Hello World!"ã1ã€ã®printæã«å
¥ããŠãããã"Hello World!"ãšããããã¹ãã1è¡ã«è¡šç€ºãããããšã«ãªããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "Fortranããã°ã©ã ã¯ãreadæã䜿çšããŠæšæºå
¥åãŸãã¯ãã¡ã€ã«ããèªã¿åããprintæã䜿çšããŠæšæºåºåã«æžã蟌ãããšãã§ããŸããwriteæã䜿çšãããšãæšæºåºåãŸãã¯ãã¡ã€ã«ã«æžã蟌ãããšãã§ããŸãããã¡ã€ã«ã«æžã蟌ãåã«ããã¡ã€ã«ããªãŒãã³ããããã°ã©ãããã¡ã€ã«ãåç
§ããããã®ãŠãããçªå·ãå²ãåœãŠãå¿
èŠããããŸããwriteæã䜿çšããŠããã©ã«ãã®åºåã«ã¹ããŒãã¡ã³ããæžã蟌ãå Žåãæ§æã¯write(*,*)ãšãªããŸããäœ¿ãæ¹ã¯ä»¥äžã®éãã§ãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ãã®ã³ãŒãã¯ã\"Hello World!\"ãããã©ã«ãã®åºå(éåžžã¯æšæºåºåãç»é¢)ã«æžã蟌ã¿ãŸããããã¯print *,ã¹ããŒãã¡ã³ãã䜿çšããå Žåãšåæ§ã§ãã",
"title": ""
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ãã¡ã€ã«åºåã®ãã¢ãšããŠã次ã®ããã°ã©ã ã¯ããŒããŒããã2ã€ã®æŽæ°ãèªã¿åãããã®æŽæ°ãšç©ãåºåãã¡ã€ã«ã«æžã蟌ã¿ãŸãã",
"title": "ãã¡ã€ã«åºå"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "ãã¡ã€ã« \"results.txt\" ã«ã¯ãããã®è¡ãå«ãŸããŸãã",
"title": "ãã¡ã€ã«åºå"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ããã©ã«ãã§ã¯ãåprintãŸãã¯writeã¹ããŒãã¡ã³ãã¯æ°ããè¡ã«å°å·ãéå§ããŸããäŸãã°ã以äžã®ããã«ãªããŸãã",
"title": "ãã¡ã€ã«åºå"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "æšæºåºåã«åºåããŸãã",
"title": "ãã¡ã€ã«åºå"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "ããã\"Hello World!\"ã1ã€ã®printæã«å
¥ããŠãããã\"Hello World!\"ãšããããã¹ãã1è¡ã«è¡šç€ºãããããšã«ãªããŸãã",
"title": "ãã¡ã€ã«åºå"
}
]
| Fortranããã°ã©ã ã¯ãreadæã䜿çšããŠæšæºå
¥åãŸãã¯ãã¡ã€ã«ããèªã¿åããprintæã䜿çšããŠæšæºåºåã«æžã蟌ãããšãã§ããŸããwriteæã䜿çšãããšãæšæºåºåãŸãã¯ãã¡ã€ã«ã«æžã蟌ãããšãã§ããŸãããã¡ã€ã«ã«æžã蟌ãåã«ããã¡ã€ã«ããªãŒãã³ããããã°ã©ãããã¡ã€ã«ãåç
§ããããã®ãŠãããçªå·ãå²ãåœãŠãå¿
èŠããããŸããwriteæã䜿çšããŠããã©ã«ãã®åºåã«ã¹ããŒãã¡ã³ããæžã蟌ãå Žåãæ§æã¯write(*,*)ãšãªããŸããäœ¿ãæ¹ã¯ä»¥äžã®éãã§ãã ãã®ã³ãŒãã¯ã"Hello World!"ãããã©ã«ãã®åºåïŒéåžžã¯æšæºåºåãç»é¢ïŒã«æžã蟌ã¿ãŸããããã¯print *,ã¹ããŒãã¡ã³ãã䜿çšããå Žåãšåæ§ã§ãã | {{nav}}
Fortranããã°ã©ã ã¯ã<code>read</code>æã䜿çšããŠ[[w:æšæºå
¥å|æšæºå
¥å]]ãŸãã¯ãã¡ã€ã«ããèªã¿åãã<code>print</code>æã䜿çšããŠ[[w:æšæºåºå|æšæºåºå]]ã«æžã蟌ãããšãã§ããŸãã<code>write</code>æã䜿çšãããšãæšæºåºåãŸãã¯ãã¡ã€ã«ã«æžã蟌ãããšãã§ããŸãããã¡ã€ã«ã«æžã蟌ãåã«ããã¡ã€ã«ããªãŒãã³ããããã°ã©ãããã¡ã€ã«ãåç
§ããããã®ãŠãããçªå·ãå²ãåœãŠãå¿
èŠããããŸãã<code>write</code>æã䜿çšããŠããã©ã«ãã®åºåã«ã¹ããŒãã¡ã³ããæžã蟌ãå Žåãæ§æã¯<code>write(*,*)</code>ãšãªããŸããäœ¿ãæ¹ã¯ä»¥äžã®éãã§ãã
:<syntaxhighlight lang=fortran>
program hello_world
implicit none
write (*,*) "Hello World!"
end program
</syntaxhighlight>
ãã®ã³ãŒãã¯ã"Hello World!"ãããã©ã«ãã®åºåïŒéåžžã¯æšæºåºåãç»é¢ïŒã«æžã蟌ã¿ãŸããããã¯<code>print *,</code>ã¹ããŒãã¡ã³ãã䜿çšããå Žåãšåæ§ã§ãã
== ãã¡ã€ã«åºå ==
ãã¡ã€ã«åºåã®ãã¢ãšããŠã次ã®ããã°ã©ã ã¯ããŒããŒããã2ã€ã®æŽæ°ãèªã¿åãããã®æŽæ°ãšç©ãåºåãã¡ã€ã«ã«æžã蟌ã¿ãŸãã
:<syntaxhighlight lang=fortran>
program xproduct
implicit none
integer :: i, j
integer, parameter :: out_unit=20
print *, "enter two integers"
read (*,*) i,j
open (unit=out_unit,file="results.txt",action="write",status="replace")
write (out_unit,*) "The product of", i, " and", j
write (out_unit,*) "is", i*j
close (out_unit)
end program xproduct
</syntaxhighlight>
ãã¡ã€ã« "results.txt" ã«ã¯ãããã®è¡ãå«ãŸããŸãã
;results.txt:<syntaxhighlight lang=text>
The product of 2 and 3
is 6
</syntaxhighlight>
ããã©ã«ãã§ã¯ãåprintãŸãã¯writeã¹ããŒãã¡ã³ãã¯æ°ããè¡ã«å°å·ãéå§ããŸããäŸãã°ã以äžã®ããã«ãªããŸãã
:<syntaxhighlight lang=fortran>
program hello_world
implicit none
print *, "Hello"
print *, "World!"
end program
</syntaxhighlight>
æšæºåºåã«åºåããŸãã
:<syntaxhighlight lang=text>
Hello
World!
</syntaxhighlight>
ããã"Hello World!"ã1ã€ã®printæã«å
¥ããŠãããã"Hello World!"ãšããããã¹ãã1è¡ã«è¡šç€ºãããããšã«ãªããŸãã | 2021-07-18T03:47:48Z | 2024-02-11T07:41:41Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/Fortran/%E3%83%86%E3%82%AD%E3%82%B9%E3%83%88%E5%85%A5%E5%87%BA%E5%8A%9B |
32,039 | Fortran/ããã°ã©ã ã®ãããŒå¶åŸ¡ | æ¡ä»¶ä»ãå®è¡ã¯ã以äžã®æ§æã®ifãthenãelseæã䜿ã£ãŠè¡ãããŸãã
else ifæã¯ããã€ãã£ãŠãæ§ããŸããã
è«çåŒãäœãéã«ã¯ã以äžã®ãããªæŒç®åã䜿ãããšãã§ããŸãã
泚:Fortranã®æšæºã§ã¯ã.EQ.ãš.NEQ.ã¯è«çæŒç®åãšäžç·ã«äœ¿çšã§ããªãããšã«ãªã£ãŠããŸãããäžéšã®ã³ã³ãã€ã©ã§ã¯æšæºãé©çšãããŸããã
è€æ°ã®ã¹ããŒãã¡ã³ãããã§ãã¯ããå Žåã¯ãæ¬åŒ§ã䜿çšããŸãã
次ã®ããã°ã©ã ã¯ã0ãã1ã®éã®ä¹±æ°ãçæããããã0ãã0.3ã0.3ãã0.6ã0.6ãã1.0ã®éã®ããããã§ãããã©ããããã¹ãããŸãã
IFã«ã¯2ã€ã®è峿·±ãå€é¢šãªåœ¢åŒããããŸãã
第1ã®åœ¢åŒã§ã¯ãç©äºã¯éåžžã«ç°¡åã§ãã 2çªç®ã®åœ¢åŒã§ã¯ãç®è¡åŒãè©äŸ¡ãããŸãã åŒãè² ã®æ°ãšè©äŸ¡ãããå Žåã¯ãæåã®æçªå·ã§å®è¡ãç¶ç¶ãããŸãã åŒããŒããšè©äŸ¡ãããå Žåãå®è¡ã¯2è¡ç®ã®çªå·ã«ç¶ããŸãã ãã以å€ã®å Žåã¯ã3è¡ç®ããå®è¡ãããŸãã
if ãããã¯ãåäžã®å€æ°ã«å¯Ÿããç¹°ãè¿ãã®ãã¹ãã§æ§æãããŠããå Žåã¯ãselect caseæ§æã«çœ®ãæããããšãã§ãããããããŸãããããšãã°ã次ã®ãããªã³ãŒãã§ãã
ã¯æ¬¡ã®ããã«çœ®ãæããããšãã§ããŸãã
Fortranã§ã¯breakæã¯å¿
èŠãããŸããã
å埩åŠçãè¡ãããã«ãFortranã«ã¯doã«ãŒãããããŸããæ¬¡ã®ã«ãŒãã¯,1ãã10ãŸã§ã®æŽæ°ã®äºä¹ã衚瀺ããŸã. ã³ãŒãäžã®ã«ãŒãããããç®æã«ãäžèšã®ãããªdo~end doæãæ¿å
¥ããŸãã
以äžã®ã³ãŒãã®ããã«ãexitã䜿ã£ãŠã«ãŒããæ©æã«çµäºãããããšãã§ããŸãããã®ã³ãŒãã§ã¯ãæŽæ°ã®äºä¹ããããããã®äºä¹ã25ãè¶
ãããŸã§è¡šç€ºããŸãã
ã«ãŒãã¯å
¥ãåã«ããããšãã§ããŸããæ¬¡ã®ã³ãŒãã¯ã1ãã10ãŸã§ã®æŽæ°ã®çޝä¹2ãã4ã衚瀺ããŸãã
å€ã圢åŒã®DOã§ã¯ãã«ãŒãã®çµããã®è¡çªå·ã䜿ãããŸãã 以äžã¯åãã«ãŒãã§ãã©ãã«1ãåã«ãŒãã®æåŸã®è¡ã§ããããšãæç€ºããŠããŸã(è€æ°ã®ã«ãŒãã§ã®ã©ãã«ã®å
±æã¯ãFortran95ããã¯çŠæ¢ãããŠããŸã)ã
æ§æ¥ã®åœ¢åŒã䜿çšããå Žåãã«ãŒãã¯IFãŸãã¯GO TOæã§çµããããŠã¯ãªããªãã1ã©ãã«ã®ã¢ã³ã«ãŒãšããŠCONTINUEæã䜿çšããããšãã§ããŸãã
ãŸããdoã«ãŒãã宣èšããéã«ã¯ããªãã·ã§ã³ã§ã€ã³ã¯ãªã¡ã³ãåŒæ°ããããŸãã 以äžã¯ã2ã®åäœã§ã«ãŠã³ãã¢ããããŸãã2, 4, 6, ...
doã«ãŒãã®åŒæ°ã¯æ°å€ãªãã©ã«ã§ããå¿
èŠã¯ãªããããã°ã©ã ã®ã©ããã§å®çŸ©ãããŠããä»»æã®æŽæ°ã§æ§ããŸãããfirst, lastãincrementã«ã¯ã©ããªå€æ°åã§ãæ§ããŸããã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "æ¡ä»¶ä»ãå®è¡ã¯ã以äžã®æ§æã®ifãthenãelseæã䜿ã£ãŠè¡ãããŸãã",
"title": "éžæ"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "else ifæã¯ããã€ãã£ãŠãæ§ããŸããã",
"title": "éžæ"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "è«çåŒãäœãéã«ã¯ã以äžã®ãããªæŒç®åã䜿ãããšãã§ããŸãã",
"title": "éžæ"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "泚:Fortranã®æšæºã§ã¯ã.EQ.ãš.NEQ.ã¯è«çæŒç®åãšäžç·ã«äœ¿çšã§ããªãããšã«ãªã£ãŠããŸãããäžéšã®ã³ã³ãã€ã©ã§ã¯æšæºãé©çšãããŸããã",
"title": "éžæ"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "è€æ°ã®ã¹ããŒãã¡ã³ãããã§ãã¯ããå Žåã¯ãæ¬åŒ§ã䜿çšããŸãã",
"title": "éžæ"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "次ã®ããã°ã©ã ã¯ã0ãã1ã®éã®ä¹±æ°ãçæããããã0ãã0.3ã0.3ãã0.6ã0.6ãã1.0ã®éã®ããããã§ãããã©ããããã¹ãããŸãã",
"title": "éžæ"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "IFã«ã¯2ã€ã®è峿·±ãå€é¢šãªåœ¢åŒããããŸãã",
"title": "éžæ"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "第1ã®åœ¢åŒã§ã¯ãç©äºã¯éåžžã«ç°¡åã§ãã 2çªç®ã®åœ¢åŒã§ã¯ãç®è¡åŒãè©äŸ¡ãããŸãã åŒãè² ã®æ°ãšè©äŸ¡ãããå Žåã¯ãæåã®æçªå·ã§å®è¡ãç¶ç¶ãããŸãã åŒããŒããšè©äŸ¡ãããå Žåãå®è¡ã¯2è¡ç®ã®çªå·ã«ç¶ããŸãã ãã以å€ã®å Žåã¯ã3è¡ç®ããå®è¡ãããŸãã",
"title": "éžæ"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "if ãããã¯ãåäžã®å€æ°ã«å¯Ÿããç¹°ãè¿ãã®ãã¹ãã§æ§æãããŠããå Žåã¯ãselect caseæ§æã«çœ®ãæããããšãã§ãããããããŸãããããšãã°ã次ã®ãããªã³ãŒãã§ãã",
"title": "éžæ"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "ã¯æ¬¡ã®ããã«çœ®ãæããããšãã§ããŸãã",
"title": "éžæ"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "Fortranã§ã¯breakæã¯å¿
èŠãããŸããã",
"title": "éžæ"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "å埩åŠçãè¡ãããã«ãFortranã«ã¯doã«ãŒãããããŸããæ¬¡ã®ã«ãŒãã¯,1ãã10ãŸã§ã®æŽæ°ã®äºä¹ã衚瀺ããŸã. ã³ãŒãäžã®ã«ãŒãããããç®æã«ãäžèšã®ãããªdo~end doæãæ¿å
¥ããŸãã",
"title": "ã«ãŒã"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "以äžã®ã³ãŒãã®ããã«ãexitã䜿ã£ãŠã«ãŒããæ©æã«çµäºãããããšãã§ããŸãããã®ã³ãŒãã§ã¯ãæŽæ°ã®äºä¹ããããããã®äºä¹ã25ãè¶
ãããŸã§è¡šç€ºããŸãã",
"title": "ã«ãŒã"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "",
"title": "ã«ãŒã"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "ã«ãŒãã¯å
¥ãåã«ããããšãã§ããŸããæ¬¡ã®ã³ãŒãã¯ã1ãã10ãŸã§ã®æŽæ°ã®çޝä¹2ãã4ã衚瀺ããŸãã",
"title": "ã«ãŒã"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "å€ã圢åŒã®DOã§ã¯ãã«ãŒãã®çµããã®è¡çªå·ã䜿ãããŸãã 以äžã¯åãã«ãŒãã§ãã©ãã«1ãåã«ãŒãã®æåŸã®è¡ã§ããããšãæç€ºããŠããŸã(è€æ°ã®ã«ãŒãã§ã®ã©ãã«ã®å
±æã¯ãFortran95ããã¯çŠæ¢ãããŠããŸã)ã",
"title": "ã«ãŒã"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "æ§æ¥ã®åœ¢åŒã䜿çšããå Žåãã«ãŒãã¯IFãŸãã¯GO TOæã§çµããããŠã¯ãªããªãã1ã©ãã«ã®ã¢ã³ã«ãŒãšããŠCONTINUEæã䜿çšããããšãã§ããŸãã",
"title": "ã«ãŒã"
},
{
"paragraph_id": 17,
"tag": "p",
"text": "ãŸããdoã«ãŒãã宣èšããéã«ã¯ããªãã·ã§ã³ã§ã€ã³ã¯ãªã¡ã³ãåŒæ°ããããŸãã 以äžã¯ã2ã®åäœã§ã«ãŠã³ãã¢ããããŸãã2, 4, 6, ...",
"title": "ã«ãŒã"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "doã«ãŒãã®åŒæ°ã¯æ°å€ãªãã©ã«ã§ããå¿
èŠã¯ãªããããã°ã©ã ã®ã©ããã§å®çŸ©ãããŠããä»»æã®æŽæ°ã§æ§ããŸãããfirst, lastãincrementã«ã¯ã©ããªå€æ°åã§ãæ§ããŸããã",
"title": "ã«ãŒã"
}
]
| null | {{nav}}
== éžæ ==
=== If-then(-else) ===
æ¡ä»¶ä»ãå®è¡ã¯ã以äžã®æ§æã®<code>if</code>ã<code>then</code>ã<code>else</code>æã䜿ã£ãŠè¡ãããŸãã
:<syntaxhighlight lang=fortran>
if (<condition 1>) then
! Block of code
else if (<condition 2>) then
! Block of code
else
! Block of code
end if
</syntaxhighlight>
<code>else if</code>æã¯ããã€ãã£ãŠãæ§ããŸããã
æ¬¡ã®æŒç®åã䜿çšããŠæ¡ä»¶åŒãäœæã§ããŸãïŒ
:{| class="wikitable"
|+ é¢ä¿æŒç®åã®äžèЧ
!æŒç®
!Modern Fortran
!Old FORTRAN
|-
|æªæº(Less than)
|<
|.LT.
|-
|ãã倧(Greater than)
|>
|.GT.
|-
|以äž(Greater than/equal)
|>=
|.GE.
|-
|以äž(Less than/equal)
|<=
|.LE.
|-
|äžèŽ(Equal)
|==
|.EQ.
|-
|äžäžèŽ(Not equal)
|/=
|.NE.
|-
|è«çäžèŽ(Logical equivalent)
|
|.EQV.
|-
|è«çäžäžèŽ(Logical not equivalent)
|
|.NEQV.
|-
|è«çåŠå®(Logical not)
|
|.NOT.
|-
|è«çç©(Logical and)
|
|.AND.
|-
|è«çå(Logical or)
|
|.OR.
|}
:èš»ïŒFortranã®æšæºã§ã¯ã<code>.EQ.</code>ãš<code>.NEQ.</code>ã¯è«çåŒãšäžç·ã«äœ¿çšããããšã¯ã§ããŸããããäžéšã®ã³ã³ãã€ã©ã¯æšæºãé©çšããªãå ŽåããããŸãã
è€æ°ã®æããã§ãã¯ããã«ã¯ãæ¬åŒ§ã䜿çšããŸãã
:<syntaxhighlight lang=fortran>
if ((a .gt. b) .and. .not. (a .lt. c)) then
</syntaxhighlight>
次ã®ããã°ã©ã ã¯0ãã1ã®éã®ã©ã³ãã ãªæ°å€ãçæãããã®æ°å€ã0ãã0.3ã®éã0.3ãã0.6ã®éããŸãã¯0.6ãã1.0ã®éã«ãããã©ããããã¹ãããŸãã
:<syntaxhighlight lang=fortran>
program xif
implicit none
real :: x
real, parameter :: x1 = 0.3, x2 = 0.6
call random_seed()
call random_number(x)
if (x < x1) then
print *, x, "<",x1
else if (x < x2) then
print *, x, "<", x2
else
print *, x, ">=", x2
end if
end program xif
</syntaxhighlight>
<code>IF</code>ã®è峿·±ãå€ã圢åŒã«ã¯ã2ã€ãããŸãïŒ
:<syntaxhighlight lang=fortranfixed>
IF (<logical expression>) GOTO <statement_label>
IF (<arithmetic expression>) <first label>, <second label>, <third label>
</syntaxhighlight>
æåã®åœ¢åŒã§ã¯ãäºæã¯éåžžã«æç¢ºã§ãã2çªç®ã®åœ¢åŒã§ã¯ãç®è¡åŒãè©äŸ¡ãããŸãã
åŒãè² ã®æ°ã«è©äŸ¡ããããšãå®è¡ã¯æåã®æçªå·ã§ç¶è¡ãããŸããåŒããŒãã«è©äŸ¡ããããšãå®è¡ã¯2çªç®ã®æçªå·ã§ç¶è¡ãããŸãããã以å€ã®å Žåãå®è¡ã¯3çªç®ã®æçªå·ã§ç¶è¡ãããŸãã
===SELECT CASE===
Fortranã«ã¯ã<code>SELECT CASE</code>æããããŸããããã¯ãè€æ°ã®æ¡ä»¶ã®ãã¹ããè¡ããæ¡ä»¶ã«å¿ããŠç°ãªããããã¯ã®ã³ãŒããå®è¡ããããã«äœ¿çšãããŸãã
;æ§æ:<syntaxhighlight lang=fortran>
SELECT CASE (selector)
CASE (value1)
! value1ã«å¯Ÿå¿ããã³ãŒã
CASE (value2)
! value2ã«å¯Ÿå¿ããã³ãŒã
CASE DEFAULT
! äžèšã®ãããã®æ¡ä»¶ã«ã該åœããªãå Žåã®ã³ãŒã
END SELECT
</syntaxhighlight>
IFãããã¯ãåäžã®å€æ°ã«å¯Ÿããç¹°ãè¿ããã¹ãããæãå Žåã'''select case'''æ§é ã«çœ®ãæããããšãã§ããå ŽåããããŸããããšãã°ã次ã®ã³ãŒã
:<syntaxhighlight lang=fortran>
if (month=="January" .or. month=="December") then
num_days = 31
else if (month=="February") then
num_days = 28
else if (month=="March") then
num_days = 31
else
num_days = 30
end if
</syntaxhighlight>
ã¯æ¬¡ã®ããã«çœ®ãæããããšãã§ããŸã
:<syntaxhighlight lang=fortran>
select case (month)
case ("January", "December")
num_days = 31
case ("February")
num_days = 28
case ("March")
num_days = 31
case default
num_days = 30
end select
</syntaxhighlight>
Fortranã«ã¯breakæãå¿
èŠãããŸããã
==ã«ãŒã==
Fortranã«ã¯ã<code>DO</code>ã«ãŒãããããŸããããã¯ãæå®ãããåæ°ã ãã³ãŒããç¹°ãè¿ãå®è¡ããããã«äœ¿çšãããŸãã
;æ§æ:<syntaxhighlight lang=fortran>
DO index = start, end, [step]
! ã«ãŒãå
ã§å®è¡ããã³ãŒã
END DO
</syntaxhighlight>
次ã®ã«ãŒãã¯ã1ãã10ãŸã§ã®æŽæ°ã®äºä¹ãåºåããŸãã
:<syntaxhighlight lang=fortran>
do i=1,10
print *, i**2
end do
</syntaxhighlight>
以äžã®ã³ãŒãã¯ãæŽæ°ã®äºä¹ã25ãè¶
ãããŸã§ã®æŽæ°ã®äºä¹ãåºåããŸãã
:<syntaxhighlight lang=fortran>
do i=1,10
isquare = i**2
if (isquare > 25) exit
print *, isquare
end do
</syntaxhighlight>
ã«ãŒããå
¥ãåã«ããããšãã§ããŸããæ¬¡ã®ã³ãŒãã¯ã1ãã10ãŸã§ã®æŽæ°ã®2ä¹ãã4ä¹ãåºåããŸãã
:<syntaxhighlight lang=fortran>
do i=1,10
do ipower=1,3
print *, i, ipower, i**ipower
end do
end do
</syntaxhighlight>
å€ã圢åŒ( archaic form) ã®<code>DO</code>ã§ã¯ãã«ãŒããçµäºããæçªå·ã䜿çšãããŸãã以äžã¯ãã©ãã«1ãåã«ãŒãã®æçµè¡ã§ããããšãæç€ºçã«è¿°ã¹ãåãã«ãŒãã§ãã
;蚳蚻:è€æ°ã®ã«ãŒãã§ã®ã©ãã«ã®å
±æã¯ãFortran95ããã¯çŠæ¢ãããŠããŸãã
:<syntaxhighlight lang=fortranfixed>
DO 1 i=1,10
DO 1 ipower=1,3
1 PRINT *, i, ipower, i**ipower
1 CONTINUE
</syntaxhighlight>
å€ã圢åŒã䜿çšããå Žåãã«ãŒãã¯<code>IF</code>ãŸãã¯<code>GO TO</code>æã§çµäºããŠã¯ãªããŸããã
<code>1</code>ã©ãã«ã®ã¢ã³ã«ãŒãšããŠ<code>CONTINUE</code>æã䜿çšã§ããŸãã
'''do'''ã«ãŒãã宣èšããéã«ãªãã·ã§ã³ã®å¢ååŒæ°ããããŸããæ¬¡ã®äŸã¯2ããšã«ã«ãŠã³ãã¢ããããŸãã2, 4, 6, ...
:<syntaxhighlight lang=fortran>
do i=2,10,2
write (*,*) i
end do
</syntaxhighlight>
doã«ãŒããžã®åŒæ°ã¯æ°å€ã§ããå¿
èŠã¯ãªããããã°ã©ã ã®ä»ã®å Žæã§å®çŸ©ãããä»»æã®æŽæ°ã§ããããšãã§ããŸãã
''first, last''ã''increment''ã¯ä»»æã®å€æ°åã§ãã£ãŠæ§ããŸããã
:<syntaxhighlight lang=fortran>
do i=first,last,increment
! Code goes here
end do
</syntaxhighlight>
== ãããŒå¶åŸ¡æ ==
Fortranã«ãããå¶åŸ¡ãããŒã倿Žããããã«äœ¿çšãããããã€ãã®ããŒã¯ãŒãããããŸããããããã®ããŒã¯ãŒãã®ç®çãšäœ¿ç𿹿³ã«ã€ããŠèª¬æããŸãïŒ
# GOTO: <code>GOTO</code>æã¯ãããã°ã©ã ã®å®è¡ãç¹å®ã®ã©ãã«ã«ãžã£ã³ããããŸãããã ãã<code>GOTO</code>æã¯ããã°ã©ã ã®å¯èªæ§ãäœäžãããçè§£ãã«ããã³ãŒããçæããå¯èœæ§ããããããæ§é åããã°ã©ãã³ã°ã®èгç¹ããã¯é¿ããããšãæšå¥šãããŸãã
#:<syntaxhighlight lang=fortran>
GOTO 100
</syntaxhighlight>
# STOP: <code>STOP</code>æã¯ãããã°ã©ã ã®å®è¡ã忢ããŸããäžè¬çã«ã¯ãšã©ãŒãçºçããå Žåãç¹å®ã®æ¡ä»¶ãæºããããå Žåã«äœ¿çšãããŸãã<code>STOP</code>æã«ã¯ããªãã·ã§ã³ã®åŒæ°ããããŸããããã¯ã忢ãããšãã®çµäºã³ãŒããæå®ããããã«äœ¿çšãããŸãã
#:<syntaxhighlight lang=fortran>
STOP 1
</syntaxhighlight>
# EXIT: <code>EXIT</code>æã¯ãã«ãŒãå
ã§äœ¿çšãããã«ãŒããæããããã«äœ¿ããŸãã<code>EXIT</code>ãå®è¡ããããšãã«ãŒãããã®å¶åŸ¡ãçŽã¡ã«çµäºããæ¬¡ã®æã«é²ã¿ãŸãã
#:<syntaxhighlight lang=fortran>
DO i = 1, 10
IF (i > 5) THEN
EXIT ! ã«ãŒããæãã
END IF
PRINT *, i
END DO
</syntaxhighlight>
# CONTINUE: <code>CONTINUE</code>æã¯ãã«ãŒãã®æ¬¡ã®ã€ãã¬ãŒã·ã§ã³ã«é²ãããšã瀺ããŸããäžè¬çã«ãå€ã圢åŒã®<code>DO</code>ã«ãŒãã§äœ¿çšãããŸãããæ§é åããã°ã©ãã³ã°ã®èгç¹ããã¯éæšå¥šã§ãã
#:<syntaxhighlight lang=fortranfixed>
DO 1 i=1,10
1 PRINT *, i
1 CONTINUE ! ã«ãŒãã®çµç«¯
</syntaxhighlight>
# CYCLE: <code>CYCLE</code>æã¯ãã«ãŒãå
ã§äœ¿çšãããæ¬¡ã®ã€ãã¬ãŒã·ã§ã³ã«é²ãããšã瀺ããŸãã
#:<syntaxhighlight lang=fortran>
DO i = 1, 10
IF (i == 5) THEN
CYCLE ! 次ã®ã€ãã¬ãŒã·ã§ã³ã«é²ã
END IF
PRINT *, i
END DO
</syntaxhighlight>
# RETURN: <code>RETURN</code>æã¯ããµãã«ãŒãã³ãŸãã¯é¢æ°ããæããããã«äœ¿çšãããŸãããµãã«ãŒãã³å
ã§<code>RETURN</code>ãå®è¡ããããšããã以éã®ã³ãŒãã¯å®è¡ãããããµãã«ãŒãã³ãåŒã³åºãããå Žæã«å¶åŸ¡ãæ»ããŸãã
#:<syntaxhighlight lang=fortran>
SUBROUTINE example_subroutine()
PRINT *, "Inside subroutine"
RETURN ! ãµãã«ãŒãã³ãçµäºãã
END SUBROUTINE
</syntaxhighlight>
ãããã®ããŒã¯ãŒãã䜿çšããããšã§ãããã°ã©ã ã®å¶åŸ¡ãããŒã广çã«å€æŽã§ããŸãã | 2021-07-18T03:56:48Z | 2024-02-11T15:50:02Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/Fortran/%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%A0%E3%81%AE%E3%83%95%E3%83%AD%E3%83%BC%E5%88%B6%E5%BE%A1 |
32,040 | Fortran/ããŒã¿å | 倿°ãšããŒã¿ã®å®£èšã¯ããã¹ãŠã® Fortran ããã°ã©ã ãŠãããã®å
é ã§ãå®è¡å¯èœãªæã®åã«è¡ããªããã°ãªããŸããã倿°ã«ã¯ãã¡ã¢ãªäžã®ãµã€ãºãæå®ãã kind ããããŸããkindã®ãã©ã¡ãŒã¿ã¯ãã³ã³ãã€ã©ãããã»ããµã«ãã£ãŠæå³ãç°ãªãå ŽåããããŸãã®ã§ãã䜿çšã®ã³ã³ãã€ã©ã®ããã¥ã¢ã«ã§ãã©ã®ãããªkindããããã確èªããŠãã ããã
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åã宣èšããŠããŸã(ã»ãšãã©ã®ã³ã³ãã€ã©ã§ã¯,ããã¯8ãã€ãé·,ããªãã¡å粟床ãæå³ããŸã)ã
dimension屿§ã¯ãã¿ã€ãã¢ãŠãããã«ã¯ããªãé·ãã§ãããäžè¡ã«è€æ°ã®é
åã宣èšããå Žåã«ã¯ãããç°¡æœã«ãªããããããŸãããåäžã®å€æ°ã宣èšããå Žåã¯ãèå¥åã®æšªã«æ¬åŒ§ãã€ããŠæ¬¡å
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::ã¯ãå€ãããŒãžã§ã³ã®Fortranãšã®äžäœäºææ§ã®ããã«ãªãã·ã§ã³ã§ããå€ãã¹ã¿ã€ã«ã®å®£èšã§ã¯ã倿°ã®çš®é¡ã瀺ãã®ã«*ã䜿ããŸãã
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æŽæ°åã¯ã笊å·ä»ãæŽæ°å€ãæ ŒçŽããŸã (ããªãã¡ã..., -3, -2, -1, 0, 1, 2, 3, ...)ãã»ãšãã©ã®ã³ã³ãã€ã©ã§ã¯ãããã©ã«ãã®kindã§ã¯ãæŽæ°ã¯4ãã€ããµã€ãºã®çæŽæ°ãšããŠæ ŒçŽãããŸã(kind=4)ã鷿޿°ã¯éåžž8ãã€ãã§ãã(kind=8)ãèš±å¯ãããŠãã屿§ã¯ãallocatableãintrinsicãpublicãasynchronousãoptionalãsaveãparameterãbindãpointerãtargetãdimension (dims)ãprivateãvalueãexternalãprotectedãvolatileãintenance (inout)ã§ãã
è«çãåã¯ãããŒãªã¢ã³å€ãæ ŒçŽãã.true.ãŸãã¯.false.ã®å€ã®ã¿ãæ ŒçŽã§ããŸããã»ãšãã©ã®ã³ã³ãã€ã©ã®ããã©ã«ãã®è«çåã¯kind=4ã§ã4ãã€ããå ããŸãããããã£ãŠãè«çã¯ã¡ã¢ãªã®ç¹ã§ã¯æŽæ°ãšãã䌌ãŠããŸãããäžè¬çã«æŽæ°ãšè«çã¯ã»ãšãã©ã®æäœã§äºææ§ããããŸãããèš±å¯ãããŠãã屿§ã¯ãallocatableãintrinsicãpublicãasynchronousãoptionalãsaveãparameterãbindãpointerãtargetãdimension(dims)ãprivateãvalueãexternalãprotectedãvolatileãintent(inout)ã§ãã
宿°åã¯ãæµ®åå°æ°ç¹ããŒã¿ãæ ŒçŽããŸãã倿°ã¯ãç§åŠçãªè¡šèšæ³ã§ãããä»®æ°ããšãææ°ããšããŠã¡ã¢ãªã«æ ŒçŽãããŸããã»ãšãã©ã®ã³ã³ãã€ã©ã®ããã©ã«ãã®å®æ°åã¯kind=4ã§ã4ãã€ãã§æ§æãããŠããŸãããã®å Žåã24ããããä»®æ°ã«ã8ããããææ°ã«äœ¿çšãããŸããèš±å¯ãããŠãã屿§ã¯ãallocatableãintrinsicãpublicãasynchronousãoptionalãsaveãparameterãbindãpointerãtargetãdim dimension (dims)ãprivateãvalueãexternalãprotectedãvolatileãintenance (inout)ã§ãã
ãã¹ãŠã®ã³ã³ãã€ã©ã¯ãäœç²ŸåºŠæ°ãšé«ç²ŸåºŠæ°ã®å°ãªããšã2çš®é¡ã®å®æ°çš®é¡ããµããŒãããŠããŸããããããèŠæ Œã§ã¯ãããã®ç²ŸåºŠãã©ã®ãããªãµã€ãºã«ãããã¯èŠå®ãããŠããŸãããã»ãšãã©ã®ã³ã³ãã€ã©ã¯ãå粟床ã«ã¯32ããããå粟床ã«ã¯64ãããã䜿çšããŠããŸãããããã£ãŠãå€ãã®ã³ã³ãã€ã©ã¯ãå©çšå¯èœãªé«ç²ŸåºŠã䜿çšããdouble precision宿°ããŒã¿åããµããŒãããŠããŸããããããç§»æ€æ§ã®ããã«ã¯ãselected_real_kindçµèŸŒã¿é¢æ°ã䜿çšããŠã倿°ã®ç²ŸåºŠã«å¿
èŠãªkindãã©ã¡ãŒã¿ãéžæããæ¹ãã¯ããã«åªããŠããŸãã
æ°åŠã§ã¯ãè€çŽ æ°ã¯å®æ°éšãšèæ°éšãæã€ãFortranã§ã®è€çŽ æ°ã¯ã宿°ã®ãã¢(宿°éšãå
ã§ãèæ°éšãåŸ)ãšããŠçŽè§åº§æšã«æ ŒçŽãããŸããè€çŽ æ°ã®ããã©ã«ãã®kindã¯ã宿°ããŒã¿åã®ããã©ã«ãã®kindãšåžžã«åãã§ããã€ãŸããkind=4ã®è€çŽ æ°å€æ°ã¯ãkind=4ã®2ã€ã®ãªã¢ã«ãå«ã¿ãŸããkind=4ã®ãªã¢ã«ã4ãã€ãã«çžåœããå Žåãããã©ã«ãã®è€çŽ æ°å€æ°ã®ãµã€ãºã¯8ãã€ãã«ãªããŸããèš±å¯ãããŠãã屿§ã¯ãallocatableãintrinsicãpublicãasynchronousãoptionalãsaveãparameterãbindãpointerãtargetãdim dimension(dims)ãprivateãvalueãexternalãprotectedãvolatileãintent(inout)ã§ãã
ãã¹ãŠã®ç®è¡æŒç®åã¯ã©ã¡ããäžæ¹ã«è€çŽ æ°ãåãããšãã§ããŸããFortranã¯è€çŽ æ°ã®æŒç®ãèæ°ã®ç¹æ®ãªèŠåãèªåçã«åŠçããŸãã
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宿°ãªãã©ã«ã¯åãªãç¡åããŒã¿(unnamed data)ã§ãã倿°ã宿°ã«ãªãããšãã§ããŸãããã©ã¡ãŒã¿å®æ°ã¯ parameter 屿§ã§å®£èšããŸãããããã®å€æ°ã¯äžå€ã§ããã宣èšåŸã«ä»£å
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ãå€ãæå®ããŠåæåããªããã°ãªããŸããã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "倿°ãšããŒã¿ã®å®£èšã¯ããã¹ãŠã® Fortran ããã°ã©ã ãŠãããã®å
é ã§ãå®è¡å¯èœãªæã®åã«è¡ããªããã°ãªããŸããã倿°ã«ã¯ãã¡ã¢ãªäžã®ãµã€ãºãæå®ãã kind ããããŸããkindã®ãã©ã¡ãŒã¿ã¯ãã³ã³ãã€ã©ãããã»ããµã«ãã£ãŠæå³ãç°ãªãå ŽåããããŸãã®ã§ãã䜿çšã®ã³ã³ãã€ã©ã®ããã¥ã¢ã«ã§ãã©ã®ãããªkindããããã確èªããŠãã ããã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "倿°ã宣èšããã«ã¯ããã€ãã®æ¹æ³ããããŸããæè¿ã®Fortranã§ã¯ãåé·ãã€æç€ºçã«å®£èšããã®ãäž»æµã§ããæ¬¡ã®äŸã§ã¯,kind ã8ã®å®æ°é
åã宣èšããŠããŸã(ã»ãšãã©ã®ã³ã³ãã€ã©ã§ã¯,ããã¯8ãã€ãé·,ããªãã¡å粟床ãæå³ããŸã)ã",
"title": "宣èšåœ¢åŒ"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "dimension屿§ã¯ãã¿ã€ãã¢ãŠãããã«ã¯ããªãé·ãã§ãããäžè¡ã«è€æ°ã®é
åã宣èšããå Žåã«ã¯ãããç°¡æœã«ãªããããããŸãããåäžã®å€æ°ã宣èšããå Žåã¯ãèå¥åã®æšªã«æ¬åŒ§ãã€ããŠæ¬¡å
ãæå®ããæ¹ãç°¡æœã«ãªããããããŸããã",
"title": "宣èšåœ¢åŒ"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "倿°ã¯ä»£å
¥ã«äŒŒãæ§æã§åæåããããšãã§ããŸãã",
"title": "宣èšåœ¢åŒ"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "::ã¯ãå€ãããŒãžã§ã³ã®Fortranãšã®äžäœäºææ§ã®ããã«ãªãã·ã§ã³ã§ããå€ãã¹ã¿ã€ã«ã®å®£èšã§ã¯ã倿°ã®çš®é¡ã瀺ãã®ã«*ã䜿ããŸãã",
"title": "宣èšåœ¢åŒ"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "ããã«ãkindãå®å
šã«çç¥ããŠãã³ã³ãã€ã©ãŒã®ããã©ã«ãã®çš®é¡ã䜿çšããããšãã§ããŸãã",
"title": "宣èšåœ¢åŒ"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "æŽæ°åã¯ã笊å·ä»ãæŽæ°å€ãæ ŒçŽããŸã (ããªãã¡ã..., -3, -2, -1, 0, 1, 2, 3, ...)ãã»ãšãã©ã®ã³ã³ãã€ã©ã§ã¯ãããã©ã«ãã®kindã§ã¯ãæŽæ°ã¯4ãã€ããµã€ãºã®çæŽæ°ãšããŠæ ŒçŽãããŸã(kind=4)ã鷿޿°ã¯éåžž8ãã€ãã§ãã(kind=8)ãèš±å¯ãããŠãã屿§ã¯ãallocatableãintrinsicãpublicãasynchronousãoptionalãsaveãparameterãbindãpointerãtargetãdimension (dims)ãprivateãvalueãexternalãprotectedãvolatileãintenance (inout)ã§ãã",
"title": "çµèŸŒã¿å"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "è«çãåã¯ãããŒãªã¢ã³å€ãæ ŒçŽãã.true.ãŸãã¯.false.ã®å€ã®ã¿ãæ ŒçŽã§ããŸããã»ãšãã©ã®ã³ã³ãã€ã©ã®ããã©ã«ãã®è«çåã¯kind=4ã§ã4ãã€ããå ããŸãããããã£ãŠãè«çã¯ã¡ã¢ãªã®ç¹ã§ã¯æŽæ°ãšãã䌌ãŠããŸãããäžè¬çã«æŽæ°ãšè«çã¯ã»ãšãã©ã®æäœã§äºææ§ããããŸãããèš±å¯ãããŠãã屿§ã¯ãallocatableãintrinsicãpublicãasynchronousãoptionalãsaveãparameterãbindãpointerãtargetãdimension(dims)ãprivateãvalueãexternalãprotectedãvolatileãintent(inout)ã§ãã",
"title": "çµèŸŒã¿å"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "宿°åã¯ãæµ®åå°æ°ç¹ããŒã¿ãæ ŒçŽããŸãã倿°ã¯ãç§åŠçãªè¡šèšæ³ã§ãããä»®æ°ããšãææ°ããšããŠã¡ã¢ãªã«æ ŒçŽãããŸããã»ãšãã©ã®ã³ã³ãã€ã©ã®ããã©ã«ãã®å®æ°åã¯kind=4ã§ã4ãã€ãã§æ§æãããŠããŸãããã®å Žåã24ããããä»®æ°ã«ã8ããããææ°ã«äœ¿çšãããŸããèš±å¯ãããŠãã屿§ã¯ãallocatableãintrinsicãpublicãasynchronousãoptionalãsaveãparameterãbindãpointerãtargetãdim dimension (dims)ãprivateãvalueãexternalãprotectedãvolatileãintenance (inout)ã§ãã",
"title": "çµèŸŒã¿å"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "ãã¹ãŠã®ã³ã³ãã€ã©ã¯ãäœç²ŸåºŠæ°ãšé«ç²ŸåºŠæ°ã®å°ãªããšã2çš®é¡ã®å®æ°çš®é¡ããµããŒãããŠããŸããããããèŠæ Œã§ã¯ãããã®ç²ŸåºŠãã©ã®ãããªãµã€ãºã«ãããã¯èŠå®ãããŠããŸãããã»ãšãã©ã®ã³ã³ãã€ã©ã¯ãå粟床ã«ã¯32ããããå粟床ã«ã¯64ãããã䜿çšããŠããŸãããããã£ãŠãå€ãã®ã³ã³ãã€ã©ã¯ãå©çšå¯èœãªé«ç²ŸåºŠã䜿çšããdouble precision宿°ããŒã¿åããµããŒãããŠããŸããããããç§»æ€æ§ã®ããã«ã¯ãselected_real_kindçµèŸŒã¿é¢æ°ã䜿çšããŠã倿°ã®ç²ŸåºŠã«å¿
èŠãªkindãã©ã¡ãŒã¿ãéžæããæ¹ãã¯ããã«åªããŠããŸãã",
"title": "çµèŸŒã¿å"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "æ°åŠã§ã¯ãè€çŽ æ°ã¯å®æ°éšãšèæ°éšãæã€ãFortranã§ã®è€çŽ æ°ã¯ã宿°ã®ãã¢(宿°éšãå
ã§ãèæ°éšãåŸ)ãšããŠçŽè§åº§æšã«æ ŒçŽãããŸããè€çŽ æ°ã®ããã©ã«ãã®kindã¯ã宿°ããŒã¿åã®ããã©ã«ãã®kindãšåžžã«åãã§ããã€ãŸããkind=4ã®è€çŽ æ°å€æ°ã¯ãkind=4ã®2ã€ã®ãªã¢ã«ãå«ã¿ãŸããkind=4ã®ãªã¢ã«ã4ãã€ãã«çžåœããå Žåãããã©ã«ãã®è€çŽ æ°å€æ°ã®ãµã€ãºã¯8ãã€ãã«ãªããŸããèš±å¯ãããŠãã屿§ã¯ãallocatableãintrinsicãpublicãasynchronousãoptionalãsaveãparameterãbindãpointerãtargetãdim dimension(dims)ãprivateãvalueãexternalãprotectedãvolatileãintent(inout)ã§ãã",
"title": "çµèŸŒã¿å"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "ãã¹ãŠã®ç®è¡æŒç®åã¯ã©ã¡ããäžæ¹ã«è€çŽ æ°ãåãããšãã§ããŸããFortranã¯è€çŽ æ°ã®æŒç®ãèæ°ã®ç¹æ®ãªèŠåãèªåçã«åŠçããŸãã",
"title": "çµèŸŒã¿å"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "ãšã©ãŒãèµ·ããå¯èœæ§ã®ãã颿°åŒã³åºãã®äœ¿çšã«ã¯æ³šæãå¿
èŠã§ããäŸãã°ã宿°-1.0ã®å¹³æ¹æ ¹ãåããšã-1ã¯å®æ°ã®å¹³æ¹æ ¹ã®é åå€ã§ããããããšã©ãŒã«ãªããŸããè€çŽ æ°ã®å¹³æ¹æ ¹ãåã (-1.0,0.0)ã¯ã-1ãè€çŽ æ°å¹³æ¹æ ¹ã®ãã¡ã€ã³å
ã«ããã®ã§èš±ãããã",
"title": "çµèŸŒã¿å"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "æååã¯ãæååãæ ŒçŽããŸãããã£ã©ã¯ã¿å€æ°ã®ããã©ã«ãã®çš®é¡ã¯éåžž1ã§ãASCIIæåã衚ããŸããçš®é¡2ã¯éåžžãISO 10646èŠæ Œã®æåã衚ããŸããæå倿°ã¯ãæååã®æåæ°ãæå®ããkindã«å ããŠãlenãã©ã¡ãŒã¿ãæã€ãšããç¹ã§ãŠããŒã¯ã§ããéåžžã1ã€ã®æåã¯ã¡ã¢ãªäžã§1ãã€ããå ããŸããããã«å ããŠãæåããŒã¿åã¯é
åã«ããããšãã§ããŸãã",
"title": "çµèŸŒã¿å"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "å€ãã¹ã¿ã€ã«ã®å®£èšã§ã¯ãkindãã©ã¡ãŒã¿ã¯ãªããé·ããã©ã¡ãŒã¿ã®ã¿ã§ãã",
"title": "çµèŸŒã¿å"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "åŒã®äžã«åã蟌ãŸããããŒã¿ã¯ããªãã©ã«ãŸãã¯å®æ°ãšåŒã°ããŸãããªãã©ã«ã¯ãæžãæ¹ã«ãã£ãŠç¹å®ã®ããŒã¿åãæã€ããšãã§ããŸããäŸãã°ã以äžã®è¡ã§ã¯ãå€1ã¯æŽæ°ã§ãã",
"title": "宿° (Constants)"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "以äžã®è¡šã¯ããªãã©ã«å®æ°ã®å
¥åæ¹æ³ã瀺ããŠããŸãã",
"title": "宿° (Constants)"
},
{
"paragraph_id": 17,
"tag": "p",
"text": "ãªããè€çŽ æ°ã®æ¬åŒ§è¡šèšã¯ã倿°ã«ã¯äœ¿ããŸãããäŸãã°ã(a, b)ã¯ç¡å¹ã§ãã宿°ã®å€æ°ãè€çŽ æ°ã«å€æããã«ã¯ãcmplx颿°ã䜿çšããã",
"title": "宿° (Constants)"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "è€çŽ æ°ãšä»ã®æ°å€ãå«ã衚çŸã¯ãè€çŽ æ°ã«ææ ŒããŸãã",
"title": "宿° (Constants)"
},
{
"paragraph_id": 19,
"tag": "p",
"text": "宿°ãªãã©ã«ã¯åãªãç¡åããŒã¿(unnamed data)ã§ãã倿°ã宿°ã«ãªãããšãã§ããŸãããã©ã¡ãŒã¿å®æ°ã¯ parameter 屿§ã§å®£èšããŸãããããã®å€æ°ã¯äžå€ã§ããã宣èšåŸã«ä»£å
¥ãããšãšã©ãŒã«ãªããŸãããŸããå®£èšæã«ã¯å¿
ãå€ãæå®ããŠåæåããªããã°ãªããŸããã",
"title": "宿° (Constants)"
}
]
| 倿°ãšããŒã¿ã®å®£èšã¯ããã¹ãŠã® Fortran ããã°ã©ã ãŠãããã®å
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== 宣èšåœ¢åŒ ==
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! ã¢ãã³ãªå€æ°å®£èš
! <datatype> [(kind=<num>), <attribute>, ... ::] <identifier>[, ...]
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real (kind=8) :: variable(3)
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real (kind=8) :: variable(3) = 1.0
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REAL*8 variable(3)
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real variable(3)
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== çµèŸŒã¿å ==
=== æŽæ°å ===
æŽæ°åã¯ã笊å·ä»ãæŽæ°å€ãæ ŒçŽããŸã (ããªãã¡ã..., -3, -2, -1, 0, 1, 2, 3, ...)ãã»ãšãã©ã®ã³ã³ãã€ã©ã§ã¯ãããã©ã«ãã®<code>kind</code>ã§ã¯ãæŽæ°ã¯4ãã€ããµã€ãºã®çæŽæ°ãšããŠæ ŒçŽãããŸã(<code>kind=4</code>)ã鷿޿°ã¯éåžž8ãã€ãã§ãã(<code>kind=8</code>)ãèš±å¯ãããŠãã屿§ã¯ãallocatableãintrinsicãpublicãasynchronousãoptionalãsaveãparameterãbindãpointerãtargetãdimension (dims)ãprivateãvalueãexternalãprotectedãvolatileãintenance (inout)ã§ãã
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integer :: variable
</syntaxhighlight>
=== è«çå ===
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:<syntaxhighlight lang=fortran>
logical :: variable
</syntaxhighlight>
=== 宿°å ===
宿°åã¯ãæµ®åå°æ°ç¹ããŒã¿ãæ ŒçŽããŸãã倿°ã¯ãç§åŠçãªè¡šèšæ³ã§ãããä»®æ°ããšãææ°ããšããŠã¡ã¢ãªã«æ ŒçŽãããŸããã»ãšãã©ã®ã³ã³ãã€ã©ã®ããã©ã«ãã®å®æ°åã¯<code>kind=4</code>ã§ã4ãã€ãã§æ§æãããŠããŸãããã®å Žåã24ããããä»®æ°ã«ã8ããããææ°ã«äœ¿çšãããŸããèš±å¯ãããŠãã屿§ã¯ãallocatableãintrinsicãpublicãasynchronousãoptionalãsaveãparameterãbindãpointerãtargetãdim dimension (dims)ãprivateãvalueãexternalãprotectedãvolatileãintenance (inout)ã§ãã
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real :: variable
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=== è€çŽ æ°å ===
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character (len=5,kind=1), dimension (2) :: strings
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CHARACTER*5 strings(2)
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== 宿° (Constants) ==
=== ãªãã©ã«å®æ° (Literal constants) ===
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a = a + 1
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|-
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ãªããè€çŽ æ°ã®æ¬åŒ§è¡šèšã¯ã倿°ã«ã¯äœ¿ããŸãããäŸãã°ã<code>(a, b)</code>ã¯ç¡å¹ã§ãã宿°ã®å€æ°ãè€çŽ æ°ã«å€æããã«ã¯ã<code>cmplx</code>颿°ã䜿çšããã
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cmplx(a, b)
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=== ãã©ã¡ãŒã¿å®æ° (Parameter constants) ===
宿°ãªãã©ã«ã¯åãªãç¡åããŒã¿(unnamed data)ã§ãã倿°ã宿°ã«ãªãããšãã§ããŸãããã©ã¡ãŒã¿å®æ°ã¯ parameter 屿§ã§å®£èšããŸãããããã®å€æ°ã¯äžå€ã§ããã宣èšåŸã«ä»£å
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:<syntaxhighlight lang=fortran>
real, parameter :: PI = 3.1415926536
</syntaxhighlight> | 2021-07-18T06:36:31Z | 2024-02-11T22:28:10Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/Fortran/%E3%83%87%E3%83%BC%E3%82%BF%E5%9E%8B |
32,042 | Fortran/圢åŒãšæ§é | å€ãããŒãžã§ã³ã®FORTRANã§ã¯ãããã°ã©ã ã®åœ¢åŒã«å³ããã¬ã€ãã©ã€ã³ããããŸãããFortran 90ã§ã¯ãã®å¶éãæ€å»ãããæŽå²çãªãåºå®åœ¢åŒãã®ã³ãŒãã ãã§ãªãããèªç±åœ¢åŒãã®ã³ãŒããåãå
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ã¡ã€ã³ããã°ã©ã ã¯ã»ã¯ã·ã§ã³ã«åãããŠããŸããæåã®ã»ã¯ã·ã§ã³ã¯ãã¢ãžã¥ãŒã«ã®useæã§æ§æãããŸããç¶ããŠã宣èšãããŠããªã倿°ãæé»çã«åä»ãããããã©ãããå¶åŸ¡ããimplicit / implicit noneæãç¶ããŸããç¶ããŠã倿°ãåãã€ã³ã¿ãŒãã§ãŒã¹ãããã·ãŒãžã£ã宣èšãã宣èšã»ã¯ã·ã§ã³ããããŸããæ¬¡ã«ã¡ã€ã³ããã°ã©ã ã®å®è¡æãæ¥ããæåŸã®ã»ã¯ã·ã§ã³ã¯ãcontainsã¹ããŒãã¡ã³ãã«ãã£ãŠéå§ãããå
éšãµãããã°ã©ã ã§ãã
ããã°ã©ã ãŠãããã¯ãµãããã°ã©ã ã§ããå ŽåããããŸããããã·ãŒãžã£(颿°ããµãã«ãŒãã³)ããããã¯ããŒã¿ãã¢ãžã¥ãŒã«ããµãã¢ãžã¥ãŒã«ãªã©ããããŸãã
次ã®ã³ãŒãã¯ãã¡ã€ã³ããã°ã©ã ãšé¢æ°ã瀺ããŠããŸããã€ã³ã¯ãªã¡ã³ã颿°ã¯ã¡ã€ã³ããã°ã©ã ã®å€éšã«ãããããã¡ã€ã³ããã°ã©ã ã®4è¡ç®ã«å®£èšãå¿
èŠã§ãã
ãšã¯ããã颿°ã®ã€ã³ã¿ãŒãã§ã€ã¹ã¯æé»çãªãŸãŸã§ããå€éšããã·ãŒãžã£ãæç€ºçã«å®£èšããã«ã¯ãå€éšããã·ãŒãžã£ã®å
¥åãšåºåããã¹ãŠå®£èšããã€ã³ã¿ãŒãã§ã€ã¹ã䜿çšããããšãã§ããŸãããã®å Žåãã¡ã€ã³ããã°ã©ã ã¯æ¬¡ã®ããã«ãªããŸãã
å
éšãµãããã°ã©ã ã¯ã芪ããã°ã©ã ãŠãããã®äžéšã§ãããããæç€ºçãªã€ã³ã¿ãã§ãŒã¹ã宣èšãå¿
èŠãšããŸããããµãããã°ã©ã ãããã°ã©ã ãŠãããã®containsã»ã¯ã·ã§ã³ã«å«ãŸããŠããå Žåããã®ãµãããã°ã©ã ã¯å
éšçãªãã®ãšãªããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "å€ãããŒãžã§ã³ã®FORTRANã§ã¯ãããã°ã©ã ã®åœ¢åŒã«å³ããã¬ã€ãã©ã€ã³ããããŸãããFortran 90ã§ã¯ãã®å¶éãæ€å»ãããæŽå²çãªãåºå®åœ¢åŒãã®ã³ãŒãã ãã§ãªãããèªç±åœ¢åŒãã®ã³ãŒããåãå
¥ããããããã«ãªããŸããã",
"title": "2ã€ã®åœ¢åŒ"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "Fortran 90ããåã®ãœãŒã¹ã³ãŒãã¯ãæç¢ºã«å®çŸ©ããããåºå®åœ¢åŒãã«åŸã£ãŠããŸãããã³ã¡ã³ãã¯1åç®ã«'C'ã§ç€ºããã2~5åç®ã¯ä»»æã®æ°å€æã©ãã«ã®ããã«ç¢ºä¿ããã6åç®ã®ç©ºçœã§ãªãæåã¯çŸåšã®è¡ãåã®è¡ããã®ç¶ãã§ããããšã瀺ãã7~72åç®ã¯ããã°ã©ã æã®ããã«å©çšå¯èœã§ããã73ãã80åç®ã¯ç¡èŠããããã°ãã°è¡ã®ã·ãŒã±ã³ã¹çªå·ãå«ãŸããŠããŸããã空çœè¡ã¯èš±ãããŸããããã®ãããªå³æ Œãªåœ¢åŒã¯ãFortranããããèšç®ãšãã³ãã«ãŒãå
¥åã®æä»£ã«éçºãããçµæã§ãããã³ãã«ãŒããã«ãŒããªãŒããŒã«ã»ãããã73~80åç®ã§ãœãŒãããã°ãããã°ã©ã ã®é åºãå埩ããããšãã§ããŸããã³ã³ãã€ã©ãã³ããŒã¯ããã®åœ¢åŒã®æ¡åŒµæ©èœãæäŸããŠããããç§»æ€æ§ã¯ã»ãšãã©ãªãã£ã(äŸãã°ãã¿ãæåã6åã®ã¹ããŒã¹ãšè§£éãããªã©)ã",
"title": "2ã€ã®åœ¢åŒ"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "åã®äœçœ®ã¯éèŠã§ããããã¯ã€ãã¹ããŒã¹ã¯éèŠã§ã¯ãããŸãããæ¬¡ã®ããã°ã©ã ã¯ãåºå®åœ¢åŒã®Fortranã«ããããã¯ã€ãã¹ããŒã¹ã®åæ³çãªäœ¿ç𿹿³ã瀺ããŠããŸãã",
"title": "2ã€ã®åœ¢åŒ"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "ãã®ã³ãŒãã¯æè¡çã«ã¯åæ³ã§ãããèªã¿ããããç¶æããããã«ãããŒã¯ãŒããã©ãã«ãããŒã¿ãåºåãããã«ãã¯ã€ãã¹ããŒã¹ã䜿çšããããšãåŒ·ãæšå¥šãããŸãã",
"title": "2ã€ã®åœ¢åŒ"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "Fortranã¯ASCIIæåã»ãããæšæºåãããåã«éçºãããäŒçµ±çã«FORTRANã³ãŒãã¯å
šãŠå€§æåã§æžãããŠããŸããã倿°åã¯6æåãŸã§ãšãããŠããŸããããã³ã³ãã€ã©ãã³ããŒã«ãã£ãŠæ¡åŒµãããããšãå€ãã£ãããã§ãã",
"title": "2ã€ã®åœ¢åŒ"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "Fortran90以éã®ãœãŒã¹ã³ãŒãã§ã¯ãåºå®åã®åœ¢åŒãå¿
èŠãšããŸããããã®å Žåãã³ãã³ãã¯ã©ã®åããã§ãèªç±ã«éå§ã§ããŸãããŸãã72ã«ã©ã ã®å¶éãè§£é€ãããŸãããããã«ãããã€ã³ãã³ãã®ããã®ã¹ããŒã¹ã倧å¹
ã«å¢ããŸããã",
"title": "2ã€ã®åœ¢åŒ"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "Fortranã¯å€§æåãšå°æåãåºå¥ããŸãããFortranã¯éåžžã倧æåã®ã¿ããµããŒãããã·ã¹ãã ã§äœ¿çšãããŠããŸãããå®éããã®èšèªèªäœãFORTRAN(倧æå)ãšåŒã°ããŠããŸãããå®å
šã«äžèŠã§ã¯ãããŸãããä»ã§ãFortranã®ã³ãã³ãããã¹ãŠå€§æåã§å
¥åããç¿æ
£ããããŸããããã¯ãã¢ãã¯ãã®ãã£ã¹ãã¬ã€ãå°å·ã§è¡šç€ºããããœãŒã¹ã³ãŒãã®ããŒã¯ãŒããåºå¥ããã®ã«äŸ¿å©ã§ããæè¿ã§ã¯ãã·ã³ã¿ãã¯ã¹ãã€ã©ã€ãã§ããã眮ãæããããšãã§ããŸããããããå€ãFORTRANã³ãŒããšææ°ã®ãœãŒã¹ã³ãŒããèŠèŠçã«åºå¥ããããã«ã¯æå¹ã§ãã",
"title": "2ã€ã®åœ¢åŒ"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "空çœã空è¡ã¯ãFortran 90以éã§ã¯éåžžåé¡ã«ãªããŸãããäŸãã°ãprogramãfunctionãsubroutineã®ããã«ãã¹ããŒãã¡ã³ãããŒã¯ãŒããšããã°ã©ã ãŠãããèå¥åã®éã«ãã¯ã€ãã¹ããŒã¹ãå¿
èŠãšããã¹ããŒãã¡ã³ãããããŸãã",
"title": "2ã€ã®åœ¢åŒ"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "ããããCãC++ãJavaãªã©ã®ä»ã®å€ãã®èšèªãšã¯ç°ãªããè¡åºåãæåã;ãã¯ä»»æã§ãããããã³ãŒãã®åè¡ã¯ããããã®è¡ã«ãšã©ãŸãããšãã§ããŸãããã ããã³ãã³ãåºåãæåã;ãã®äœ¿çšã¯æšå¥šãããŸããã",
"title": "2ã€ã®åœ¢åŒ"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "Fortranã®ããã°ã©ã ã¯ããã°ã©ã åäœã§æ§æãããŠããŸãã1ã€ã®ãœãŒã¹ã³ãŒãã»ãã¡ã€ã«ã«è€æ°ã®ããã°ã©ã ã»ãŠããããå«ããããšãã§ããŸãããåããã°ã©ã ã»ãŠããããåå¥ã®ãœãŒã¹ã³ãŒãã»ãã¡ã€ã«ã«å
¥ããã®ãäžè¬çã§ããæãåºæ¬çãªããã°ã©ã ãŠãããã¯äžé£ã®Fortranæã§æ§æãããæåŸã«endæã§ç· ããããããŸãã",
"title": "æ§é "
},
{
"paragraph_id": 10,
"tag": "p",
"text": "å®è¡å¯èœãªããã°ã©ã ã«ã¯ãå¿
ãã¡ã€ã³ã»ããã°ã©ã ã»ãŠããããå¿
èŠã§ããäŸãã°ã以äžã¯å®å
šãªã³ã³ãã€ã«ããã³å®è¡å¯èœãªããã°ã©ã ã§ãã",
"title": "æ§é "
},
{
"paragraph_id": 11,
"tag": "p",
"text": "ããããã¡ã€ã³ã®ããã°ã©ã ãŠãããã§ããããšã瀺ãããã«ãprogramã¹ããŒãã¡ã³ãã䜿çšããæ¹ãã¯ããã«æç¢ºã§ãã",
"title": "æ§é "
},
{
"paragraph_id": 12,
"tag": "p",
"text": "ã¡ã€ã³ããã°ã©ã ã¯ã»ã¯ã·ã§ã³ã«åãããŠããŸããæåã®ã»ã¯ã·ã§ã³ã¯ãã¢ãžã¥ãŒã«ã®useæã§æ§æãããŸããç¶ããŠã宣èšãããŠããªã倿°ãæé»çã«åä»ãããããã©ãããå¶åŸ¡ããimplicit / implicit noneæãç¶ããŸããç¶ããŠã倿°ãåãã€ã³ã¿ãŒãã§ãŒã¹ãããã·ãŒãžã£ã宣èšãã宣èšã»ã¯ã·ã§ã³ããããŸããæ¬¡ã«ã¡ã€ã³ããã°ã©ã ã®å®è¡æãæ¥ããæåŸã®ã»ã¯ã·ã§ã³ã¯ãcontainsã¹ããŒãã¡ã³ãã«ãã£ãŠéå§ãããå
éšãµãããã°ã©ã ã§ãã",
"title": "æ§é "
},
{
"paragraph_id": 13,
"tag": "p",
"text": "ããã°ã©ã ãŠãããã¯ãµãããã°ã©ã ã§ããå ŽåããããŸããããã·ãŒãžã£(颿°ããµãã«ãŒãã³)ããããã¯ããŒã¿ãã¢ãžã¥ãŒã«ããµãã¢ãžã¥ãŒã«ãªã©ããããŸãã",
"title": "æ§é "
},
{
"paragraph_id": 14,
"tag": "p",
"text": "次ã®ã³ãŒãã¯ãã¡ã€ã³ããã°ã©ã ãšé¢æ°ã瀺ããŠããŸããã€ã³ã¯ãªã¡ã³ã颿°ã¯ã¡ã€ã³ããã°ã©ã ã®å€éšã«ãããããã¡ã€ã³ããã°ã©ã ã®4è¡ç®ã«å®£èšãå¿
èŠã§ãã",
"title": "æ§é "
},
{
"paragraph_id": 15,
"tag": "p",
"text": "ãšã¯ããã颿°ã®ã€ã³ã¿ãŒãã§ã€ã¹ã¯æé»çãªãŸãŸã§ããå€éšããã·ãŒãžã£ãæç€ºçã«å®£èšããã«ã¯ãå€éšããã·ãŒãžã£ã®å
¥åãšåºåããã¹ãŠå®£èšããã€ã³ã¿ãŒãã§ã€ã¹ã䜿çšããããšãã§ããŸãããã®å Žåãã¡ã€ã³ããã°ã©ã ã¯æ¬¡ã®ããã«ãªããŸãã",
"title": "æ§é "
},
{
"paragraph_id": 16,
"tag": "p",
"text": "å
éšãµãããã°ã©ã ã¯ã芪ããã°ã©ã ãŠãããã®äžéšã§ãããããæç€ºçãªã€ã³ã¿ãã§ãŒã¹ã宣èšãå¿
èŠãšããŸããããµãããã°ã©ã ãããã°ã©ã ãŠãããã®containsã»ã¯ã·ã§ã³ã«å«ãŸããŠããå Žåããã®ãµãããã°ã©ã ã¯å
éšçãªãã®ãšãªããŸãã",
"title": "æ§é "
}
]
| null | {{nav}}
== 2ã€ã®åœ¢åŒ ==
å€ãããŒãžã§ã³ã®FORTRANã§ã¯ãããã°ã©ã ã®åœ¢åŒã«å³æ Œãªã¬ã€ãã©ã€ã³ããããŸãããFortran 90ã§ã¯ããã®å¶éãç·©åããããèªç±åœ¢åŒãã®ã³ãŒããšåŸæ¥ã®ãåºå®åœ¢åŒãã®ã³ãŒãã®äž¡æ¹ãåãå
¥ããããããã«ãªããŸããã
=== åºå®åœ¢åŒã®å Žå ===
Fortran 90ããåã«ã¯ããœãŒã¹ã³ãŒãã¯æç¢ºã«å®çŸ©ããããåºå®åœ¢åŒãã«åŸã£ãŠããŸãããã³ã¡ã³ãã¯æåã®åã« 'C' ãèšè¿°ãã2åç®ãã5åç®ã¯ãªãã·ã§ã³ã®æ°å€æã©ãã«ã«äºçŽããã6åç®ã«éç©ºçœæåããããšãçŸåšã®è¡ãåã®è¡ã®ç¶ç¶ã§ããããšã瀺ãã7åç®ãã72åç®ã¯ããã°ã©ã ã®æã«äœ¿çšãããŸããã73åç®ãã80åç®ã¯ç¡èŠããããã°ãã°è¡çªå·ãå«ãŸããŠããŸããã空çœè¡ã¯èš±å¯ãããŸããã§ããããã®å³æ Œãªåœ¢åŒã¯ãFortranããããåŠçãšãã³ãã«ãŒãå
¥åã®æä»£ã«éçºãããçµæã§ããåçªå·ã¯ãããã°ã©ã ã®ããããããèœã¡ãå Žåã«äœ¿çšãããŸãããã«ãŒããã«ãŒããªãŒããŒã«æ¿å
¥ããå73ãã80ã«ãœãŒããããšãããã°ã©ã ã®é åºã埩å
ã§ããŸãããã³ã³ãã€ã©ã®ãã³ããŒã¯ãã®åœ¢åŒãæ¡åŒµãããªãã·ã§ã³ãæäŸããŸããããã»ãšãã©ã®å ŽåãããŒã¿ãã«ã§ã¯ãããŸããã§ããïŒããšãã°ãã¿ãæåã6ã¹ããŒã¹ãšè§£éããïŒã
åäœçœ®ãéèŠã§ããäžæ¹ã空çœã¯éèŠã§ã¯ãããŸããã§ãããæ¬¡ã®ããã°ã©ã ã¯ãåºå®åœ¢åŒã®Fortranã§ã®ç©ºçœã®äœ¿çšäŸã瀺ããŠããŸãã
:<syntaxhighlight lang=fortranfixed>
C2345678901234567890
PROGRAM Z
GOTO11
11 CONTINUE
GO TO 780
780 CONTINUE
G OTO3 60
360 CONTINUE
STOP
END
</syntaxhighlight>
ãã®ã³ãŒãã¯æè¡çã«ã¯æå¹ã§ãããããŒã¯ãŒããã©ãã«ãããã³ããŒã¿ãåºå¥ããããã«ç©ºçœã䜿çšããããšã匷ããå§ãããŸãã
FORTRANã¯ãASCIIæåã»ããã®æšæºåã®åã«éçºãããäŒçµ±çã«ãã¹ãŠã®å€§æåã§FORTRANã³ãŒããèšè¿°ãããŠããŸããã倿°åã¯6æåã«å¶éãããŠããŸããããããã¯ã³ã³ãã€ã©ã®ãã³ããŒã«ãã£ãŠãã°ãã°æ¡åŒµãããŠããŸããã
=== èªç±åœ¢åŒ ===
Fortran 90以éããœãŒã¹ã³ãŒãã«ã¯åºå®å圢åŒã¯äžèŠã§ãããã®å Žåãã³ãã³ãã¯ä»»æã®åã§éå§ã§ããŸãã72åã®å¶éãè§£é€ãããŸãããããã«ãããã€ã³ãã³ãã®ããã®äœè£ã倧å¹
ã«å¢ããŸãã
:<syntaxhighlight lang=fortran>
program test
implicit none
integer four
four = 4
write (*,*) four
end program
</syntaxhighlight>
=== 倧æåå°æåã®åºå¥ ===
Fortranã¯å€§æåãšå°æåãåºå¥ããŸãããFortranã¯éåžžã倧æåã®ã¿ããµããŒãããã·ã¹ãã ã§äœ¿çšãããŠããŸãããå®éãèšèªèªäœãFORTRANïŒå€§æåïŒãšåŒã°ããŠããŸãããããã¯ãã¢ãã¯ããŒã ãã£ã¹ãã¬ã€ãå°å·ç©ã§è¡šç€ºããããœãŒã¹ã³ãŒãã§ããŒã¯ãŒããåºå¥ããããã«äŸ¿å©ã§ãã仿¥ã§ã¯ãããã眮ãæããããã«æ§æã®åŒ·èª¿è¡šç€ºïŒSyntax highlightïŒãå©çšå¯èœã§ããããããå€ãFORTRANã³ãŒããšçŸä»£ã®ãœãŒã¹ã³ãŒããèŠèŠçã«åºå¥ããããã«ãFortranã³ãã³ãããã¹ãŠå€§æåã§å
¥åããã®ã¯æçšã§ãã
=== ç©ºçœæåã«ã€ã㊠===
Fortran 90以éã§ã¯ã空çœãšç©ºè¡ã¯éåžžç¡èŠãããŸããäžéšã®æã«ã¯ç©ºçœãå¿
èŠã§ããäŸãã°ã<code>program</code>ã<code>function</code>ã<code>subroutine</code>æã§ã¯ãæããŒã¯ãŒããšããã°ã©ã ãŠãããèå¥åã®éã«ç©ºçœãå¿
èŠã§ãã
ãã ããCãC++ãJavaãªã©ã®ä»ã®èšèªãšã¯ç°ãªããè¡åºåãæå ';' ã¯ãªãã·ã§ã³ã§ãããããã£ãŠãåã³ãŒãè¡ãç¬èªã®è¡ã«ä¿ã€ããšãã§ããŸãããã ããã³ãã³ãã»ãã¬ãŒã¿æå ';' ã®äœ¿çšã¯éæšå¥šã§ãã
==æ§é ==
=== ããã°ã©ã ã»ãŠããã ===
Fortranããã°ã©ã ã¯ããã°ã©ã ãŠãããã§æ§æãããŠããŸããåäžã®ãœãŒã¹ã³ãŒããã¡ã€ã«ã«ã¯è€æ°ã®ããã°ã©ã ãŠããããå«ããããšãã§ããŸãããåããã°ã©ã ãŠããããåã
ã®ç¬ç«ãããœãŒã¹ã³ãŒããã¡ã€ã«ã«é
眮ããã®ãäžè¬çã§ããããã°ã©ã ãŠãããã¯ãFortranæã®ã·ãªãŒãºã§æ§æããã<code>end</code>æã§çµäºããŸãã
==== ã¡ã€ã³ããã°ã©ã ====
ãã¹ãŠã®å®è¡å¯èœããã°ã©ã ã«ã¯ãã¡ã€ã³ããã°ã©ã ãŠããããå¿
èŠã§ãã
äŸãã°ã次ã®ãã®ã¯å®å
šãªã³ã³ãã€ã«å¯èœã§å®è¡å¯èœãªããã°ã©ã ã§ãã
:<syntaxhighlight lang=fortran>
write (*,*) "Hello, world"
end
</syntaxhighlight>
ãã ããã¡ã€ã³ããã°ã©ã ãŠãããã§ããããšã瀺ãããã« <code>program</code> æã䜿çšããæ¹ãã¯ããã«æç¢ºã§ãã
:<syntaxhighlight lang=fortran>
program main
write (*,*) "Hello, world!"
end program main
</syntaxhighlight>
ã¡ã€ã³ããã°ã©ã ã¯ã»ã¯ã·ã§ã³ã«åãããŠããŸããæåã®ã»ã¯ã·ã§ã³ã¯ãã¢ãžã¥ãŒã«<code>use</code>æããæ§æãããŸããããã«ç¶ããŠãæªå®£èšã®å€æ°ãæé»çã«åæå®ããããã©ãããå¶åŸ¡ãã <code>implicit</code> / <code>implicit none</code> æããããŸããããã«ç¶ããŠã倿°ãåãã€ã³ã¿ãŒãã§ã€ã¹ãããã³æç¶ãã宣èšããã宣èšã»ã¯ã·ã§ã³ããããŸãããã®åŸãã¡ã€ã³ããã°ã©ã ã®å®è¡æãç¶ããŸããæåŸã®ã»ã¯ã·ã§ã³ã¯ã<code>contains</code>æã§éå§ãããå
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:<syntaxhighlight lang=fortran>
program main
! Use statements section
use module_name
! Implicit none statement section
implicit none
! Declarations section
integer :: a
real :: b
! Executable section
write (*,*) "Blah, blah, blah..."
end program main
</syntaxhighlight>
==== ãµãããã°ã©ã ====
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===== å€éšãµãããã°ã©ã =====
次ã®ã³ãŒãã¯ãã¡ã€ã³ããã°ã©ã ãšé¢æ°ã瀺ããŠããŸãã<code>increment</code> 颿°ã¯<code>main</code> ããã°ã©ã ããå€éšã®ãã®ã§ããããããã£ãŠã¡ã€ã³ããã°ã©ã ã®4è¡ç®ã§å®£èšããå¿
èŠããããŸãã
:<syntaxhighlight lang=fortran highlight=4 line>
program main
implicit none
integer :: a
integer, external :: increment
a = increment(34)
write (*,*) a
end program main
function increment(input) result (output)
implicit none
integer :: output
integer :: input
output = input + 1
end function increment
</syntaxhighlight>
ãã ãã颿°ã®ã€ã³ã¿ãŒãã§ã€ã¹ã¯ãŸã æé»çã§ããå€éšæç¶ããæç€ºçã«å®£èšããã«ã¯ããã¹ãŠã®å€éšæç¶ãã®å
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:<syntaxhighlight lang=fortran>
program main
implicit none
integer :: a
interface
integer function increment(input)
integer :: input
end function
end interface
a = increment(34)
write (*,*) a
end program main
</syntaxhighlight>
===== å
éšãµãããã°ã©ã =====
å
éšãµãããã°ã©ã ã¯ã芪ããã°ã©ã ãŠãããã®<code>contains</code>ã»ã¯ã·ã§ã³ã«å«ãŸããŠãããããæç€ºçãªã€ã³ã¿ãŒãã§ã€ã¹ãŸãã¯å®£èšã¯å¿
èŠãããŸããã
:<syntaxhighlight lang=fortran>
program main
implicit none
integer :: a
a = increment(34)
write (*,*) a
contains
function increment(input) result (output)
integer :: output
integer :: input
output = input + 1
end function increment
end program main
</syntaxhighlight>
=== 颿° ===
=== ãµãã«ãŒãã³ ===
=== ãããã¯ããŒã¿ ===
=== ã¢ãžã¥ãŒã«===
==== ãµãã¢ãžã¥ãŒã« ==== | 2021-07-19T07:31:18Z | 2024-02-11T22:51:27Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/Fortran/%E5%BD%A2%E5%BC%8F%E3%81%A8%E6%A7%8B%E9%80%A0 |
32,044 | Fortran/å
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ã®æ§æã®ã»ãšãã©ã¯æ®ãããŠããŸããI/Oæäœã¯ãšã©ãŒãçºçããããããšã§ç¥ãããŠããŸãããFortranã§ã¯ãšã©ãŒãç¹å®ããŠåŠçããããã®çµ±äžãããã¡ã«ããºã ããµããŒãããŠããŸãã",
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"tag": "p",
"text": "ããã¯å€å
žçãªãHello Worldãæäœã§ããããããã¯ã·ã§ã³ã»ã³ãŒãã§ã¯ã»ãšãã©äœ¿ãããŸãããprintã¯ã2ã€ã®ãã©ãŒããããããåºåæäœã®ãã¡ã®1ã€ã§ãwriteæãããã¯ããã«åçŽã§ããprintæã®äž»ãªç®çã¯ãã¹ã¯ãªãŒã³(æšæºåºååäœ)ã«å°å·ããããšã§ããããã¡ã€ã«åºåã®ãªãã·ã§ã³ã¯ãããŸãããäžè¬çãªåœ¢åŒã¯",
"title": "I/Oæäœ"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "fmtãšlistã¯å
±ã«ãªãã·ã§ã³ã§ããã fmtã¯æç€ºçãªãã®ãšãªã¹ãæåã®ãã®(*ã§ç€ºããã)ãããã ãªãã·ã§ã³ã®å Žåã¯name=valueã®åœ¢åŒããšãããšãã§ããŸãããªã¹ãã¯ããªãã©ã«ãŸãã¯åºæã®å倿°ã®ã³ã³ãåºåãã®ãªã¹ãã§ããã§ã¯ãããã€ãäŸãæããŠã¿ãŸãããã",
"title": "I/Oæäœ"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "printã¯ãiostatãiomsgå¥ããµããŒãããŠããªãå¯äžã®I/Oæäœã§ããããã®çç±ã ãã§ããäžæçãªåºåããããã°ãé€ããŠãæ°ããã³ãŒãã§äœ¿çšãã¹ãã§ã¯ãªãããšã«æ³šæããŠãã ãããprintã¯ããŠãŒã¶å®çŸ©ã®åãå°å·ããããã®æç€ºçãªã¡ã«ããºã ãæã£ãŠããããããããããã¯ã·ã§ã³ã»ã³ãŒãã§äœ¿çšããªãçç±ã®ã²ãšã€ã§ãã",
"title": "I/Oæäœ"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "äžèšã®printã®äŸã§ã¯ãprintæã¯ãã³ã³ãã¥ãŒã¿ã®ç»é¢ãšããŠç¥ãããŠããæšæºåºåè£
眮ã«èªåçã«æ¥ç¶ãããŠããŸããããããäžè¬çã«Fortranã§ã¯ãã³ãŒããå€éšãã¡ã€ã«ã«æ¥ç¶ããããã«2段éã®ããã»ã¹ãå¿
èŠã§ãããŸããopenã³ãã³ãã«ããããã¡ã€ã«ãFortranã®ãã£ã³ãã«(æ£ã®æŽæ°ã§æåã§èå¥ããããè² ã®å€ãèªåçã«å²ãåœãŠã)ã«æ¥ç¶ããªããã°ãªããŸãããéãããŠããªããã£ã³ãã«ãžã®readããã³writeæäœã¯ãšã©ãŒãšãªãã該åœãããã£ã³ãã«ãéããããŸã§ãèšèªã§æå®ããããããã¡ãªã³ã°ã¯è¡ãããªããI/Oæäœãå®äºãããšããã¡ã€ã«ãšFortranãã£ã³ãã«ã®éã®æ¥ç¶ãcloseããããšãã§ããŸãããã¡ã€ã«ãžã®ãã£ãã«ãéããããåã« Fortran ããã°ã©ã ãçµäºããå Žåã Fortran ã¯éåžžãããŒã¿ã®å€§ããªæå€±ãªãã«ãã£ãã«ãéããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "Fortranãã£ã³ãã«ã®å©çšå¯èœãªç¶æ
ã¯ãinquireã³ãã³ãã®äžã€ã®åœ¢åŒãéããŠç¢ºèªããããšãã§ããŸããinquireã³ãã³ãã¯ãFortranãã£ã³ãã«ã«æ¥ç¶ãããåã«ã ãã¡ã€ã«ã®ååšããã®ä»ã®ããããã£ã決å®ããããã«ã䜿çšã§ããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "å
éšãã¡ã€ã«ãžã®Fortran I/Oã¯ãæ¥ç¶åã®åŠçãå¿
èŠãšããŸãããããŒããŒãããã®Fortranå
¥åãšç»é¢ãžã®åºåã¯ãèªåçã«ç¹å¥ãªãã£ã³ãã«(*)ã«äºåæ¥ç¶ãããŸããã³ã³ãã€ã©ãã³ãã¯ãããã®æšæºI/Oããã€ã¹ã«èªç±ã«ãã£ãã«çªå·ãå²ãåœãŠãããšãã§ãããŠãŒã¶ã¯çµèŸŒã¿ã¢ãžã¥ãŒã«iso_fortran_envãä»ããŠã©ã®ãã£ãã«çªå·ã䜿çšãããŠããããç¥ãããšãã§ããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "ããã¯ãå€éšãã¡ã€ã«ãšFortranãã£ã³ãã«ã®éã®æ¥ç¶ã確ç«ããããã«å¿
èŠãªã³ãã³ãã§ããopenã³ãã³ãã¯ãæ°èŠãã¡ã€ã«ã®äœæãæ¢åã®ãã¡ã€ã«ãžã®æ¥ç¶ã«äœ¿çšã§ããŸããäžåºŠãªãŒãã³ãããã¡ã€ã«ãžã®åŸç¶ã®I/Oã¯ããã®ãã£ã³ãã«çªå·ãä»ããŠè¡ãããŸããopenã³ãã³ãã«ã¯ããã¡ã€ã«ãæ¢ã«ååšããŠããããæ¢ã«ååšããŠããªããã確èªããããå
¥åã®ã¿ãåºåã®ã¿ããŸãã¯äž¡æ¹ã«äœ¿çšãããããšã確èªãããªãã·ã§ã³ããããŸãããã¡ã€ã«ã®æåŸ
ããããã©ãŒããããopenã³ãã³ãã§æå®ãããšã©ãŒããã©ããããããšãã§ããŸããã³ãã³ãã®å®å
šãªæ§æã¯ããªãè€éã«èŠãããããããŸããããäžè¬çã«ã¯ãopenã®1åã®åŒã³åºãã¯ãå©çšå¯èœãªãã¹ãŠã®ãªãã·ã§ã³ã®å°ããªãµãã»ããã®ã¿ã䜿çšããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "openã³ãã³ãã¯ãå€éšãã¡ã€ã«ãéåžžã«ãŒãã»ã€ã¡ãŒãžã§ãã£ããšãã«çãŸããŸãããopenã¯çŸåšããã¡ã€ã«ãžã®æ¥ç¶ãåºå®ãã©ãŒããããéåæããã€ããªã»ã¹ããªãŒã ãããã³ãããã®å€ãã®çµã¿åããã§ããããšãæå®ã§ããŸããI/Oã¯æœåšçãªã³ãŒãã£ã³ã°ã»ãšã©ãŒã®äž»ãªåå ã§ãããéèŠãªããŒã¿ãèªã¿èŸŒãã å Žåã¯ãæ£ããåŠçã確èªããããã«å床æžã蟌ãå¿
èŠãããããšãèŠããŠãããšããã§ãããã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "Fortranã®ãã£ã³ãã«çªå·ã®å€ã¯ãFortranããã°ã©ã ã®1ã€ã®ã€ã¡ãŒãžã®äžã§ã°ããŒãã«ãªã¹ã³ãŒããæã¡ãŸãããã£ã³ãã«ãéãããã«æŽæ°å€æ°ã䜿çšãããã®å€æ°ã®ã¹ã³ãŒããéåžžã«éãããŠãããšããŠããå®éã®ãã£ã³ãã«çªå·ã¯äºå®äžã©ãã«ã§ãååšããŸããããã¢ãžã¥ãŒã«ããã£ã³ãã«10ããªãŒãã³ããå¥ã®ã¢ãžã¥ãŒã«ããã£ã³ãã«10ãã¯ããŒãºããŠãããããã®éã«ã¯äœã®äœ¿çšé¢é£æ§ããªããããèšèšæã«ãã®ç¹ãèæ
®ããå¿
èŠããããŸãããã®ãããå€§èŠæš¡ãªããã°ã©ã ã§ã¯ã1ã€ã®ã¢ãžã¥ãŒã«ã§ãã¹ãŠã®ãã¡ã€ã«I/Oæäœãå¶åŸ¡ãã\"open - read/write - close\" ãšããæç¢ºãªé£éãç¶æã§ããããã«ããããšããããããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "æåŸã«ãéåžžã® Fortran ãšåæ§ã«ãæ°ããã³ãŒãã«äœ¿çšããŠã¯ãããªãã¬ã¬ã·ãŒç®çã®ããã«ä¿æãããŠãããªãã·ã§ã³ãæ§æããããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "ããã§ã[]ã¯ãªãã·ã§ã³ã®ã»ã¯ã·ã§ã³ã瀺ããolistã¯ãªãã·ã§ã³ã®ã³ã³ãåºåãã®ãªã¹ãã§ããäžã®äŸã§ã¯ãuã¯ã¹ã«ã©ãŒã®æŽæ°åŒãŸãã¯ããã«çžåœãããã®ã§ãnewunitãªãã·ã§ã³ãæå®ãããŠããªãéãå¿
é ã§ãã(äžéãªããšã«ã1ã€ã®openæã§è€æ°ã®ãã¡ã€ã«ãéãããšã¯ã§ããŸãã)ãæè¡çã«ã¯ãuã¯å€éšãã¡ã€ã«ãŠãããçªå·ãç¥ããŠãã£ãã«çªå·ãšåŒã°ããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "newunit=nu ããã§ nu ã¯ããã©ã«ãã®æŽæ°å€æ°ã§ããããã«ãããããã»ããµã¯ãã£ãã«çªå·ãéžæããããšãã§ããã¬ã¬ã·ãŒã³ãŒããšã®è¡çªãé¿ããããã«ãçŸåšäœ¿çšãããŠãããŠãããçªå·ãšè¡çªããªãè² ã®å€(-1ã§ã¯ãªã)ãéžæãããŸããããã¯ããã¹ãŠã®æ°ããã³ãŒãã§äœ¿çšãããã¹ã圢åŒã§ãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "iostat=ios iosã¯ããã©ã«ãã®æŽæ°å€æ°ã§ãopenæããšã©ãŒãæ€åºããªãå Žåã¯0ã«èšå®ãããŸããããšã©ãŒãçºçããå Žåã¯æ£ã®å€ã«èšå®ãããŸããæè¡çã«ã¯ãªãã·ã§ã³ã§ãããããã¯ãã¹ãŠã®openã³ãã³ãã§åŒ·ãæšå¥šããããªãã·ã§ã³ã§ãããã®ãªãã·ã§ã³ãååšããªãå Žå (ããã³ err= ãªãã·ã§ã³ãååšããªãå Žåã以äžãåç
§) ã¯ããšã©ãŒãçºçããå Žåã«ããã°ã©ã ã忢ããŸãããã®ãªãã·ã§ã³ãååšãããšãããã°ã©ãã¯è¿ãããå€ããã§ãã¯ããããã«å¿ããŠããã°ã©ã ãåäœããã責任ãè² ãããšã«ãªãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 17,
"tag": "p",
"text": "iomsg=iom ããã§ãiomã¯ããã©ã«ãã®çš®é¡ã®ã¹ã«ã©æå倿°ã§ãããç¹°ãè¿ãã«ãªããŸãããæè¡çã«ã¯ãªãã·ã§ã³ã§ãããæ°ããã³ãŒãã®ãã¹ãŠã®openã³ãã³ãã«ã¯ããã®ãªãã·ã§ã³ãåŒ·ãæšå¥šããŸããã¡ãã»ãŒãžã®é·ãã¯ããšã©ãŒããã³ããŒã«äŸåããã®ã§ã詊è¡é¯èª€ãå¿
èŠãããããŸããã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "file=fln flnã¯ãå€éšãã¡ã€ã«ã®ååãæå®ããããã©ã«ãã®æå倿°ããªãã©ã«ããŸãã¯åŒã§ãããã¡ã€ã«åã¯ãå®å
šä¿®é£Ÿãã¹ãŸãã¯ããŒã«ã«ãã¡ã€ã«åã§ãããã¹ããããã¯ãŒã¯ãã©ã€ãäžã®ãã¡ã€ã«ãæããŠããå Žåããã®ãã©ã€ãã¯äºåã«æ¥ç¶ãããŠããå¿
èŠãããããã®æ¥ç¶ãè¡ãããã®èšèªå®çŸ©ãããæ¹æ³ã¯ãããŸããã(ãã ããexecute_command_lineã«é Œãããšã¯ã§ããŸã)",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 19,
"tag": "p",
"text": "status=stn ããã§ stn ã¯ãããã©ã«ãã®æå倿°ããªãã©ã«ããŸãã¯åŒã§ã(倧æåå°æåã«é¢ä¿ãªã) 'old'ã'new'ã'replace'ã'scratch'ã'unknown' ã®ããããã«è©äŸ¡ãããªããã°ãªããŸãããoldãã¯ããã¡ã€ã«ãååšããŠããããšãå¿
èŠã§ãéåžžãopenæã®ç®çããã¡ã€ã«ã®èªã¿åãã§ããå Žåã«äœ¿çšãããŸãã'new' ãš 'replace' ã¯ãäžè¿°ã®file=ãªãã·ã§ã³ã®ååšãå¿
èŠãšãã'new' ã¯ãã¡ã€ã«ãååšããªãããšãå¿
èŠãšãã'replace' ã¯ãã¡ã€ã«ããã§ã«ååšããŠããŠãããããååšããŠããå Žåã¯äžæžããããã'scratch' ã¯ç¹æ®ã§ãfile=ãªãã·ã§ã³ã䜿çšããŠã¯ãªãããäœæããããã¡ã€ã«ã¯åŸã«closeã³ãã³ããå®è¡ããŠãä¿æãããªãã'scratch' ã¯éåžžã倧ããªããŒã¿æ§é ãããŒããã£ã¹ã¯ãåæ§ã®å€§å®¹éèšæ¶è£
眮ã«äžæçã«ä¿åããããã«äœ¿çšãããŸãã'unknown' ãæå®ãããå Žåããã㯠status= ãªãã·ã§ã³ãäžããããŠããªãå Žåã®ããã©ã«ãã§ãããããã¡ã€ã«ã®ç¶æ
ã¯ãã³ããŒãã·ã¹ãã ã«äŸåããããã«ãªããããã¥ã¢ã«ãåç
§ããªããã°ãªããŸããã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 20,
"tag": "p",
"text": "action=act ããã§ act ã¯ã'read'ã'write'ã'readwrite' ãšè©äŸ¡ãããããã©ã«ãã®çš®é¡ã®æååŒã倿°ããŸãã¯å€ã§ããé©ãã¹ãããšã«ãããã©ã«ãã¯ããã»ããµã«äŸåãããããããã¥ã¢ã«ãåç
§ããå¿
èŠããããŸãã'read' ãæå®ãããå Žåããã¡ã€ã«ã¯èªã¿åãå°çšãšã¿ãªããããã®ãã£ã³ãã«ã§ write, print, end file ã¹ããŒãã¡ã³ããå®è¡ããããšãããšãšã©ãŒã«ãªããŸããåæ§ã«ã'write' ãæå®ãããå Žåããã¡ã€ã«ã¯æžã蟌ã¿å°çšãšã¿ãªãããreadã¹ããŒãã¡ã³ããå®è¡ããããšãããšãšã©ãŒã«ãªãã'write' ãæå®ãããå Žåãä»ã®ããã€ãã®ã¹ããŒãã¡ã³ãã¯ãããã»ããµã«äŸåããæ¹æ³ã§ãšã©ãŒã«ãªãããšããããŸã (äŸ: backspace)ã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 21,
"tag": "p",
"text": "access=acl ããã§ acl ã¯ã'sequential'ã'direct'ã'stream' ã®ããããã§è©äŸ¡ãããæååŒã倿°ããŸãã¯ãªãã©ã«ã§ããæ¢ã«ååšããŠãããã¡ã€ã«ãéãå Žåããã®å€ã¯èš±å¯ãããå€ã«å¯Ÿå¿ããŠããªããã°ãªããŸããããã®å€ã¯éåžžããã¡ã€ã«ãäœæããããšãã«äžããããå€ã§ããæ°ãããã¡ã€ã«ãéããšãã®ããã©ã«ã㯠'sequential' ã§ãã'stream' ã¢ã¯ã»ã¹ã¯ Fortran 2008 ã®æ°æ©èœã§ãC ã®ãã€ããªã¹ããªãŒã ãã¡ã€ã«ãšã®äºææ§ããããŸããã¹ããªãŒã ãã¢ã¯ã»ã¹ã®ããäžã€ã®éèŠãªæ©èœã¯ããã¡ã€ã«ãæžã蟌ã¿çšã«é
眮ãããã¡ã€ã«ã®æ®ãã®éšåã倿Žããããšãªããã¡ã€ã«ã®äžéšãäžæžãã§ããããšã§ãããã©ãŒããããããã¹ããªãŒã ãã¡ã€ã«ã®å Žåã new_line(nl)颿°ã¯ãé¢é£ããæ¹è¡æåãæå倿° nl ã«è¿ããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 22,
"tag": "p",
"text": "recl=rcl ããã§ rcl ã¯æ£ã®å€ã«è©äŸ¡ãããªããã°ãªããªãæŽæ°åŒã倿°ãŸãã¯ãªãã©ã«ã§ããããã¡ã€ã«ãçŽæ¥ã¢ã¯ã»ã¹ã®ããã«éãããå Žåããã®ããªãã·ã§ã³ãã¯å¿
é ã§ããã åã¬ã³ãŒãã®é·ããæå®ããªããã°ãªããªããã·ãŒã±ã³ã·ã£ã«ãã¡ã€ã«ã®å Žåã¯ãªãã·ã§ã³ã§ãã¬ã³ãŒãã®æå€§é·ãæå®ããããã«äœ¿çšã§ããŸãããã§ã«ååšãããã¡ã€ã«ã®å Žåãrclã®å€ã¯ãã¡ã€ã«ã®äœæã«äœ¿çšãããå€ãšäžèŽããªããã°ãªããªããã©ã®ãããªå Žåã§ããrclã®å€ã¯ãåºç€ãšãªããªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã§èš±å¯ãããŠããªããã°ãªããªãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 23,
"tag": "p",
"text": "form=frm frmã¯ã'formatted' ãŸã㯠'unformatted' ãšè©äŸ¡ãããæååŒã倿°ãŸãã¯ãªãã©ã«ã§ãããããã©ã«ãã§ã¯ã'sequential' ã¢ã¯ã»ã¹ã®å Žå㯠'formatted' ã'direct' ã¢ã¯ã»ã¹ã®å Žå㯠'unformatted' ãšãªãããããã®ãªãã·ã§ã³ã¯çç¥ã§ããããšãå€ãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 24,
"tag": "p",
"text": "blank=blk ããã§ãblkã¯æååŒã倿°ããŸãã¯ãªãã©ã«ã§ããããã©ãŒããããããi/oã®ã¿ã§ 'null' ãŸã㯠'zero' ã®å€ãæäŸããã以äžã®bnããã³bzãã©ãŒããããåç
§ã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 25,
"tag": "p",
"text": "position=psn ããã§psnã¯ã 'asis'ã 'rewind' ãŸã㯠'append' ãšããŠè©äŸ¡ãããæååŒã倿°ãŸãã¯ãªãã©ã«ã§ãããã¢ã¯ã»ã¹æ¹æ³ãã·ãŒã±ã³ã·ã£ã«ã®å Žåã«ã®ã¿é©çšããããåæå€ã¯ 'asis' ã§ããéããšããæ°ãããã¡ã€ã«ã¯åžžã«åæäœçœ®ã«é
眮ãããŸãããæ¢åã®ãã¡ã€ã«ã®å ŽåããŠãŒã¶ãŒã¯çŸåšã®äœçœ®ãã©ãã«é
眮ããããéžæããããšãã§ããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 26,
"tag": "p",
"text": "delim=",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 27,
"tag": "p",
"text": "pad=",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 28,
"tag": "p",
"text": "äžã®äžã«ã¯å€ãã®ã¬ã¬ã·ãŒã³ãŒãããããŸããããã®ã»ã¯ã·ã§ã³ã§ã¯ããŸã æå¹ã§ã¯ãããã®ã®çœ®ãæããæ€èšãã¹ãã§ããæ°ããã³ãŒãã§ã¯çµ¶å¯Ÿã«äœ¿çšããŠã¯ãªããªãæ©èœã«ã€ããŠèª¬æããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 29,
"tag": "p",
"text": "err=eno enoã¯ãªãã©ã«ã®æŽæ°ã®ã©ãã«çªå·ã§ããopenæã®åŠçã§ãšã©ãŒãçºçããå Žåãããã°ã©ã ã¯ã©ãã«çªå· eno ã®æã«å¶åŸ¡ãç§»ããŸããerr=ãªãã·ã§ã³ããããšããšã©ãŒãçºçããå Žåã«ããã°ã©ã ãç¶è¡ãããŸããããã®ãªãã·ã§ã³ã¯ãçŸåšã§ã¯ iostat= ãš iomsg= ã§çœ®ãæããã¹ãã§ãã(err=ãšiostat=ã®äž¡æ¹ãæå®ããããšã¯æå¹ã§ãããã©ã¡ãããªããšopenæã®åŠçã§ãšã©ãŒãçºçããå Žåã«ããã°ã©ã ã忢ããŠããŸããŸã)ã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 30,
"tag": "p",
"text": "unit=nu ããã§ãnuã¯ããã©ã«ãã®æŽæ°åŒã倿°ããªãã©ã«å€ã§ãæ£ã®å€ã§ãªããã°ãªãããæ¢ã«äœ¿çšãããŠããã©ã®åäœãšãäžèŽããŠã¯ãªããªãããã®ãªãã·ã§ã³ããªãã·ã§ã³ã®ãªã¹ãã®æåã«çœ®ãããŠããå Žåãunit= ã¯çç¥ã§ããŸããããã¯éåžžã«åºã䜿ãããŠããŸããããçŸåšã§ã¯newunit=ã«çœ®ãæããããã¹ãã§ããéåžžã«å€ãã³ãŒãã§ã¯ãnuã¯åºå®å€ã§ãããããã°ã©ãã¯åæã«äœ¿çšãããŠããä»ã®ãã£ã³ãã«ãšè¡çªããªãããã«ããªããã°ãªããŸããã§ãããæè¿ã§ã¯ãinquireã¹ããŒãã¡ã³ãã¯ããŸã 䜿çšãããŠããªããŠãããçªå·ãéžæããããã«äœ¿çšããããšãã§ããŸãããããã¯åŸç¶ã®openã¹ããŒãã¡ã³ããæ¢ã«äœ¿çšãããŠããåºå®å€ã䜿çšããããšããããšãé²ãããšãã§ããŸããã§ãããããããnewunitãªãã·ã§ã³ã ããããã£ã³ãã«çªå·ã«è² ã®å€ãæå®ããããšãã§ããçç±ã§ãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 31,
"tag": "p",
"text": "readæã¯ãæå®ããã圢åŒã®å
¥åããã倿°ãèªã¿åºãæã§ãããããšãã°ã以äžã®ããã«ãªããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 32,
"tag": "p",
"text": "ãã®ã³ãŒãã¯ãaçšã®æŽæ°ã¡ã¢ãªé åã確ä¿ããããã©ã«ãã®å
¥åããããã©ã«ãã®ãã©ãŒãããã§å€ãèªã¿èŸŒã¿ããããaã«æ ŒçŽããŸãã(*,*)ã®æåã®*ã¯ãå€ãã©ãããèªã¿èŸŒãŸããããæå³ããã2çªç®ã®*ã¯ããŠãŒã¶ãŒãæ°å€ãèªã¿åãéã«å¿
èŠãªãã©ãŒããããæå®ããŸãããŸããå©çšå¯èœãªãã©ãŒãããæååã«ã€ããŠèª¬æããŸããFortranã§ã¯å€ãã®ãã©ãŒãããæååãçšæãããŠãããç»é¢äžã§ã®æ°å€ãæååã®è¡šç€ºæ¹æ³ãæå®ããããšãã§ããŸããåºå®å°æ°ç¹ã®ãªã¢ã«ã®å Žå Fw.d; wã¯æ°å€ã«å²ãåœãŠãããã¹ããŒã¹ã®ç·æ°ãdã¯å°æ°ç¹ä»¥äžã®æ¡æ°ã§ããå°æ°ç¹ä»¥äžã®äœçœ®ã¯åžžã«1ã€ã®äœçœ®ãå ããŸããããšãã°ã以äžã®ããã«ãªããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 33,
"tag": "p",
"text": "I/Oãã©ãŒããã(äŸ:'(F5.2)')ã®è©³çްã¯ä»¥äžã®éãã§ãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 34,
"tag": "p",
"text": "inquireæã«ã¯2ã€ã®åºæ¬çãªåœ¢ããããŸãããinquire by unitããšãinquire by fileãã§ãã©ã¡ããéåžžã«äŸ¿å©ã§ãç¥ã£ãŠãã䟡å€ããããŸããinquire by length \"ãšåŒã°ããããææ§ãªåœ¢åŒããããŸããã ããã¯ãå¿
èŠãªã¬ã³ãŒãé·ã決å®ããããã«ãæœåšçãªåºåã®ãã©ãŒããããããŠããªã ã¬ã³ãŒãé·ããã§ãã¯ãããããã§ã«å®çŸ©ãããã¬ã³ãŒãé·ãæã€ãã¡ã€ã«ã äžããããåºåã«å¯Ÿå¿ã§ãããã©ããããã§ãã¯ããã®ã«äŸ¿å©ã§ãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 35,
"tag": "p",
"text": "inquireã³ãã³ãã®ããææ§ãªããŒãžã§ã³ã¯ã äžãããã圢åŒã®åºåãå«ãããã«å¿
èŠãªããã©ãŒããããããŠããªã ã¬ã³ãŒãã®é·ããååŸããããã«äœ¿çšããããŠãŒã¶ã¯å¿
èŠãªã¬ã³ãŒãã® é·ãã確èªãããæå®ãããããããšãã§ããŸãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 36,
"tag": "p",
"text": "closeã³ãã³ãã¯ããã¡ã€ã«ãšFortranãã£ã³ãã«ã®éã®æ¥ç¶ãè§£é€ããŸãããã®éçšã§ããã¡ã€ã«ãã©ã®ããã«éããããã«å¿ããŠããã¡ã€ã«ã¯ä¿åãããããç Žæ£ããããããŸããcloseã³ãã³ãã®äžè¬çãªåœ¢åŒã¯ä»¥äžã®éãã§ãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 37,
"tag": "p",
"text": "ããã§ãuã¯ã¯ããŒãºãããã£ã³ãã«ã®çªå·ãšããŠè©äŸ¡ãããããã©ã«ãã®æŽæ°åŒã倿°ããªãã©ã«å€ã§ãunit=ã¯ãªãã·ã§ã³ã§ãããªãã·ã§ã³ã»ãªã¹ãã§äœ¿çšã§ãããªãã·ã§ã³ã¯ä»¥äžã®ãšããã§ãã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 38,
"tag": "p",
"text": "iostat=ios iosã¯ããã©ã«ãã®æŽæ°å€æ°ã§ãcloseã³ãã³ããæ£ããå®è¡ãããå Žåã«ã¯å€0ãè¿ããŸãããšã©ãŒãçºçããå Žåã«ã¯ãæ»ãå€ã¯æ£ã®å€ãšãªããåŸè¿°ã®iomsgãªãã·ã§ã³ã«ãã£ãŠãšã©ãŒã説æããã¡ãã»ãŒãžãæäŸãããã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 39,
"tag": "p",
"text": "err=eno ããã§enoã¯ãªãã©ã«ã®æŽæ°ã®ã©ãã«çªå·ã§ããcloseæã®åŠçã§ãšã©ãŒãçºçããå Žåãããã°ã©ã ã¯ã©ãã«çªå·enoã®æã«å¶åŸ¡ãç§»ããŸããerr=ãªãã·ã§ã³ããããšããšã©ãŒãçºçããå Žåã«ããã°ã©ã ãç¶è¡ãããŠããŸããããã®ãªãã·ã§ã³ã¯ãçŸåšã§ã¯ iostat= ãš iomsg= ã§çœ®ãæããã¹ãã§ããã(err=ãšiostat=ã®äž¡æ¹ãæå®ããããšã¯åæ³ã§ãããã©ã¡ããæå®ããªããšopenæã®åŠçã§ãšã©ãŒãçºçããå Žåã«ããã°ã©ã ã忢ããŠããŸããŸã)ã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 40,
"tag": "p",
"text": "iomsg=iom ããã§ãiomã¯ãããã©ã«ãã®çš®é¡ã®ã¹ã«ã©æå倿°ã§ããç¹°ãè¿ãã«ãªããŸãããæè¡çã«ã¯ãªãã·ã§ã³ã§ãããæ°ããã³ãŒãã®ãã¹ãŠã®closeã³ãã³ãã«ã¯ããã®ãªãã·ã§ã³ãåŒ·ãæšå¥šããŸããã¡ãã»ãŒãžã®é·ãã¯ãšã©ãŒããã³ããŒã«äŸåããã®ã§ã詊è¡é¯èª€ãå¿
èŠãããããŸããã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 41,
"tag": "p",
"text": "status=st",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 42,
"tag": "p",
"text": "çŽæçã§ã¯ãªããããããŸããããFortranã¯ãã§ã«éããããŠãããã£ãã«ãCLOSEããããšããããšããšã©ãŒãšã¯ã¿ãªããŸãããinquireãopenã®ããã«ã closeãå ±åãããšã©ãŒã¯ãäºå®äžã®ãªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã»ãšã©ãŒã§ããäŸãã°ãæ¢ã«éããããŠãããã£ãã«äžã§ status=\"delete\" ãæã€ close ã¯ãç¹ã«ãã¡ã€ã«ããã¯ãååšããªãå Žåã«ã¯ãšã©ãŒãšãªããŸããåæ§ã«ãFortranã§ã¯ã'scratch' ãšããŠäœæããããã¡ã€ã«ãstatus=\"keep\"ã§ã¯ããŒãºãããšãšã©ãŒã«ãªããŸãããããã®å¶éã¯ãiostat(ããã³iomsg)å¥ãããŠãŒã¶ãå¿
èŠã«å¿ããŠç·©ãããªçµäºãããã°ã©ã ããããã«äœ¿çšãããããšãåæãšããŠãããcloseã³ãã³ãã®ããã©ãŒãã³ã¹ã«é¢ããå®å
šãªã¬ããŒããåŸãããã§ã¯ãããŸããã",
"title": "I/Oãã£ã³ãã«ãšãã¡ã€ã«"
},
{
"paragraph_id": 43,
"tag": "p",
"text": "æç€ºçãªãã©ãŒãããã«ã€ããŠã¯åŸè¿°ããŸããããèšèªã®äžã®èšèªããšãããã®ãååšããããšã¯ããã«ããããŸãã®ã§ãFortranã§ã¯ã·ã§ãŒãã«ãããã€ãŸãèšèªã§å®çŸ©ããããã©ãŒãããã®æšæž¬ãè¡ããŸãããã®ããã©ã«ããã©ãŒãããã¯ãå
¥åçšã®ã«ã³ãåºåã倿°(CSV)ããã»ããµã«éåžžã«è¿ãããšãããããŸãããªã¹ãæåã®I/Oã¯fmt=*ç¯ã§æå®ããŸãããfmtç¯ã¯ãªãã·ã§ã³ã§ãåã«*ã§çœ®ãæããããšãã§ããŸãã",
"title": "I/O ãã©ãŒããã"
},
{
"paragraph_id": 44,
"tag": "p",
"text": "Fortranã«ã¯ãI/Oæäœã®ãã©ãŒããããå¶åŸ¡ããããã®ãè±å¯ã ãéåžžã«ç°¡æœãªèšèªããããŸãããã©ãŒãããã»ã³ãã³ãã¯æç€ºçãªfortmatæã®äžã«çœ®ãããšãã§ãããŸããé¢é£ããREADãŸãã¯WRITEæã®ç¯ã®äžã«æåéã眮ãããšããcharacter倿°ã«æ ŒçŽããããšãã§ããŸãã",
"title": "I/O ãã©ãŒããã"
}
]
| Fortranãä»ã®èšèªã§ã¯ãã©ãã«ã©ã®ããã«å°å·ãããèªãã ãããŠã»ããããæå®ããããšã¯ããã°ãã°æçšã§ããFortranã«ã¯ããã®ãããªç®çã®ããã«ãå€ãã®ã³ãã³ããæžåŒæå®ãçšæãããŠããŸãã以äžã®ã»ã¯ã·ã§ã³ã§ã¯ãI/Oæäœ (open, close, inquire, rewind, backspace, endfileãflushãprintãreadãwriteãnamelistïŒãšI/Oãã©ãŒãããïŒformatïŒããããŸããFortran 2008ã§ã¯ãåºæ¬çãªæ©èœããŠãŒã¶ãŒå®çŸ©ã®ã«ãŒãã³ã§æ¡åŒµããä»ã®æŽŸçåã§æ§æããããã®ãå«ããŠã掟çåãåºåã§ããããã«ãªã£ãããšã倧ããªç¹åŸŽã§ãã ãããã®ã³ãã³ããçµã¿åãããããšã§ããã©ãŒãããããããã¡ã€ã«ããã©ãŒããããããŠããªããã¡ã€ã«ãã·ãŒã±ã³ã·ã£ã«ããã€ã¬ã¯ããéåæã¢ã¯ã»ã¹ã§èªã¿æžãããããã®ãéåžžã«åŒ·åãªæ©èœçŸ€ã圢æãããŸãã確ãã«ãæåã¯ãªãã·ã§ã³ãå€ãããŠæžæããããããŸãããããããåºæ¬çãªæäœã¯ç°¡åã§ãããã»ãšãã©ã®ãã¡ã€ã«ãèªã¿æžãã§ãããã¯ãŒãšæè»æ§ã«æ¯ããããŠããŸãã ããããçŸæ®µéã§ã¯ãèšèªå®çŸ©ã®èгç¹ãããFortranãåçŽãã€çŽæ¥çã«ã§ããªãããšã«ã€ããŠèšåããŠããå¿
èŠããããŸããFortranã¯URLã§å®çŸ©ããããã¡ã€ã«ãæ±ãããšã¯ã§ããŸããããã¡ã€ã«ã¯ããŒã«ã«ã«ãããããããããããããã¯ãŒã¯ãã©ã€ããããã«çžåœãããã®ã§ãªããã°ãªããŸãããåæ§ã«ãFortranã¯XMLããã€ãã£ãã«ãµããŒãããŠããŸããããã ããXMLã¯ã·ã³ãã«ãªASCIIããã¹ããªã®ã§ç°¡åã«èªãããšãã§ããŸããããããè§£æããã®ã¯ããã°ã©ããŒã®ä»äºã§ããFortranèšèªã¯ã³ã³ãã¥ãŒã¿ã°ã©ãã£ãã¯ã¹ã«ã€ããŠäœãç¥ããªãã®ã§ãèšèªã§å®çŸ©ãããæç»ã³ãã³ããèŠã€ããããšã¯ã§ããŸãããFortranã¯jpgãã¡ã€ã«ãåãã§éããŠèªã¿ãŸããããã®ãã¡ã€ã«ãç»åãšããŠè¡šç€ºããèšèªå®çŸ©ã®æ¹æ³ã¯ãããŸããã®ã§ãé©åãªå€éšã©ã€ãã©ãªã䜿çšããå¿
èŠããããŸããæåŸã«ãFortranã«ã¯èšèªçã«å®çŸ©ãããããŠã¹æäœãã¿ããã¹ã¯ãªãŒã³ã®ãžã§ã¹ãã£ãŒããããŸããã | {{nav}}
Fortranãä»ã®èšèªã§ã¯ãäœãã©ãã«ãã©ã®ããã«åºåãŸãã¯å
¥åããããæå®ããããšããã°ãã°åœ¹ç«ã¡ãŸããFortranã«ã¯ããããã®ç®çã«åœ¹ç«ã€å€ãã®ã³ãã³ãããã©ãŒããã仿§ããããŸããæ¬¡ã®ã»ã¯ã·ã§ã³ã§ã¯ãI/OæäœïŒ<code>open</code>ã<code>close</code>ã<code>inquire</code>ã<code>rewind</code>ã<code>backspace</code>ã<code>endfile</code>ã<code>flush</code>ã<code>print</code>ã<code>read</code>ã<code>write</code>ã<code>namelist</code>ïŒãšI/Oãã©ãŒãããïŒ<code>format</code>ïŒãèæ
®ããŸããFortran 2008ã§ã¯ããŠãŒã¶ãŒå®çŸ©ã®ã«ãŒãã³ã䜿çšããŠãä»ã®æŽŸçåãå«ã掟çåãåºåããããã®åºæ¬çãªæ©èœãæ¡åŒµããèœåã倧ããªè¿œå ãããŠããŸãã
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èŠããããŸããåæ§ã«ãFortranã¯XMLããã€ãã£ãã§ãµããŒãããŠãããããã ãXMLã¯åçŽãªASCIIããã¹ããªã®ã§ç°¡åã«èªã¿åããŸãããããŒã¹ã¯ããã°ã©ãã«å§ããããŸãïŒ Fortranèšèªã¯ã³ã³ãã¥ãŒã¿ã°ã©ãã£ãã¯ã¹ã«ã€ããŠäœãç¥ããŸãããèšèªå®çŸ©ã®æç»ã³ãã³ãã¯èŠã€ããããšã¯ã§ããŸãããFortranã¯åãã§jpgãã¡ã€ã«ãéããèªã¿åããŸããããã¡ã€ã«ãç»åãšããŠè¡šç€ºããèšèªå®çŸ©ã®æ¹æ³ã¯ãããŸãããé©åãªå€éšã©ã€ãã©ãªã䜿çšããå¿
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==== Print ====
ããã¯å€å
žç㪠"Hello World" æäœã§ãããæ¬çªã³ãŒãã§ã¯ã»ãšãã©äœ¿çšãããŸããã<code>print</code>ã¯ããã©ãŒããããããåºåæäœã®ãã¡ã®1ã€ã§ããã<code>write</code>ã¹ããŒãã¡ã³ããããã¯ããã«ã·ã³ãã«ã§ãã <code>print</code>ã¹ããŒãã¡ã³ãã®äž»ãªç®çã¯ãç»é¢ïŒæšæºåºåãŠãããïŒã«åºåããããšã§ããããã¡ã€ã«åºåã®ãªãã·ã§ã³ã¯ãããŸãããäžè¬çãªåœ¢åŒã¯æ¬¡ã®ãšããã§ãïŒ
:<syntaxhighlight lang=fortran>
print fmt, list
</syntaxhighlight>
<code>fmt</code>ãš<code>list</code>ã®äž¡æ¹ã¯ãªãã·ã§ã³ã§ããã<code>fmt</code>ã¯æç€ºçãŸãã¯ãªã¹ãæåïŒ<code>*</code>ã§ç€ºãããïŒã§ããããªãã·ã§ã³ã§<code>name=value</code>圢åŒãåãããšãã§ããŸãããªã¹ãã¯ããªãã©ã«ãŸãã¯çµã¿èŸŒã¿åã®å€æ°ã®ã«ã³ãåºåãã®ãªã¹ãã§ãã以äžã«ããã€ãã®äŸã瀺ããŸãïŒ
:<syntaxhighlight lang=fortran>
program hello
implicit none
integer :: i
! List-directed fmt
print *, "Hello World"
do i = 1, 10
! An explicit fmt and a two element list
print '(A,I0)', "Hello ", i
end do
! Name=value for fmt
print fmt='(A)', 'Goodbye'
end program hello
</syntaxhighlight>
<code>print</code>ã¯ã<code>iostat</code>ããã³<code>iomsg</code>ç¯ã'''ãµããŒãããŠããªã'''å¯äžã®I/Oæäœã§ããããšã«æ³šæããŠãã ããããã®çç±ã ãã§ãäžæçãªåºåããããã°ä»¥å€ã§ã¯æ°ããã³ãŒãã§äœ¿çšããªãã§ãã ããã <code>print</code>ã«ã¯ãŠãŒã¶ãŒå®çŸ©ã®åãåºåããããã®æç€ºçãªã¡ã«ããºã ããªããããæ¬çªã³ãŒãã§äœ¿çšããªãçç±ããã1ã€ãããŸã
== I/Oãã£ã³ãã«ãšãã¡ã€ã« ==
äžèšã®<code>print</code>ã®äŸã§ã¯ã<code>print</code>ã¹ããŒãã¡ã³ãã¯èªåçã«æšæºåºåããã€ã¹ïŒã³ã³ãã¥ãŒã¿ç»é¢ãšãåŒã°ããïŒã«äºåæ¥ç¶ãããŠããŸãããã ããäžè¬ã«ãFortranã§ã¯ã³ãŒããå€éšãã¡ã€ã«ã«æ¥ç¶ããããã«2段éã®ããã»ã¹ãå¿
èŠã§ãããŸãããã¡ã€ã«ãFortranãã£ã³ãã«ã«æ¥ç¶ããå¿
èŠããããŸãïŒæåã§æ£ã®æŽæ°ãŸãã¯èªåçã«è² ã®å€ãå²ãåœãŠãããŸãïŒïŒ <code>open</code>ã³ãã³ããæ¬¡ã«ããã®ãã£ã³ãã«ã«æ¥ç¶ããããã¡ã€ã«ã«<code>read</code>ããã³<code>write</code>ã§ããŸãããã¡ã€ã«ãéãããŠããªããã£ã³ãã«ã«<code>read</code>ããã³<code>write</code>æäœãè¡ããšããšã©ãŒãçºçããŸãã該åœãããã£ã³ãã«ãéããããŸã§ãé¢é£ãããã£ã³ãã«ã®ãããã¡ãªã³ã°ã¯ãããŸãããI/Oæäœãå®äºãããããã¡ã€ã«ãšFortranãã£ã³ãã«ã®æ¥ç¶ã<code>close</code>ã§ããŸããFortranããã°ã©ã ããã£ã³ãã«ããã¡ã€ã«ã«éããåã«çµäºãããšãFortranã¯éåžžãããŒã¿ã®éå€§ãªæå€±ãªãã«ãã£ã³ãã«ãéããŸãã
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èŠãšããŸãããFortranããŒããŒãããã®å
¥åããã³ç»é¢ãžã®åºåã¯ãç¹å¥ãªãã£ã³ãã« (*) ã«èªåçã«äºåæ¥ç¶ãããŸããã³ã³ãã€ã©ãã³ããŒã¯ããããã®æšæºI/Oããã€ã¹ã«ãã£ã³ãã«çªå·ãå²ãåœãŠãããšãã§ãããŠãŒã¶ãŒã¯ãã€ã³ã¹ãã©ã¯ã·ã§ã³ã¢ãžã¥ãŒã«<code>iso_fortran_env</code>ãä»ããŠäœ¿çšããããã£ã³ãã«çªå·ã倿ã§ããŸãã
=== Open ===
ããã¯å€éšãã¡ã€ã«ãšFortranãã£ã³ãã«ã®éã®æ¥ç¶ã確ç«ããããã«å¿
èŠãªã³ãã³ãã§ãã <code>open</code>ã³ãã³ãã¯ãæ°ãããã¡ã€ã«ã®äœæãŸãã¯æ¢åã®ãã¡ã€ã«ãžã®æ¥ç¶ã«äœ¿çšã§ããŸããäžåºŠéãããã¡ã€ã«ãžã®ä»¥éã®I/Oã¯ããã®ãã£ã³ãã«çªå·ãä»ããŠè¡ãããŸãã <code>open</code>ã³ãã³ãã«ã¯ããã¡ã€ã«ããã§ã«ååšãããã©ãããå
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<code>open</code>ã³ãã³ãã¯ãå€éšãã¡ã€ã«ãéåžžã«ãŒãã€ã¡ãŒãžã§ãã£ããšãã«èµ·æºãæã¡ãŸããã <code>open</code>ã¯çŸåšããã¡ã€ã«ãžã®æ¥ç¶ãåºå®åœ¢åŒãéåæããã€ããªã¹ããªãŒã ãããã³ãããã®å€æ°ã®çµã¿åããã§æå®ã§ããããšã瀺ãããšãã§ããŸããI/Oã¯ãã³ãŒãã£ã³ã°ãšã©ãŒã®äž»èŠãªæºæ³ã§ãããéèŠãªããŒã¿ãèªã¿åãããå Žæã§ã¯ãæ£ããåŠçã確èªããããã«å床æžã蟌ãŸããã¹ãã§ãã
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ã§ã°ããŒãã«ãªã¹ã³ãŒããæã¡ãŸããæŽæ°å€æ°ããã£ã³ãã«ãéãããã«äœ¿çšããããã®å€æ°ã®ã¹ã³ãŒããéåžžã«éãããŠããå Žåã§ããå®éã®ãã£ã³ãã«çªå·ã¯äºå®äžã©ãã§ã䜿çšã§ããŸããããã¯èšèšæã«èæ
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èŠããããŸãããªããªãã1ã€ã®ã¢ãžã¥ãŒã«ãããã£ã³ãã«10ãéãããšãã§ããå¥ã®ã¢ãžã¥ãŒã«ããã£ã³ãã«10ã䜿çšããã«ãã£ã³ãã«10ãéããããšãã§ããããã§ãããããã£ãŠãå€§èŠæš¡ãªããã°ã©ã ã§ã¯ããã¡ã€ã«I/Oæäœãå¶åŸ¡ããããã«åäžã®ã¢ãžã¥ãŒã«ã䜿çšãããããšããããããæç¢ºã§æçœãªããªãŒãã³ - èªã¿åã/æžã蟌㿠- ã¯ããŒãºããã§ãŒã³ãç¶æã§ããŸãã
æåŸã«ãéåžžã®Fortranãšåæ§ã«ãæ°ããã³ãŒãã§äœ¿çšããªãã§ãã ããããéºç£ç®çã§ä¿æãããŠãããªãã·ã§ã³ãšç¯ããããŸãã
==== Open ã³ãã³ãã®æ§æ ====
:<syntaxhighlight lang=fortran>
open ([unit=]u[, olist])
</syntaxhighlight>
[]å
ã®ã»ã¯ã·ã§ã³ã¯ãªãã·ã§ã³ã§ããã<code>olist</code>ã¯ãªãã·ã§ã³ã®ãªã¹ãã§ãããã«ã³ãã§åºåãããŠããŸããäžèšã®<code>u</code>ã¯ã¹ã«ã©ãŒæŽæ°åŒãŸãã¯åçã§ããã<code>newunit</code>ãªãã·ã§ã³ãæå®ãããŠããªãéãå¿
é ã§ãã ïŒäžéãªããšã«ã1ã€ã®<code>open</code>ã¹ããŒãã¡ã³ãã§è€æ°ã®ãã¡ã€ã«ãéãããšã¯ã§ããŸããïŒãæè¡çã«ã¯ãuã¯å€éšãã¡ã€ã«ãŠãããçªå·ãšåŒã°ããŸããããã£ã³ãã«çªå·ã¯ç¥ç§°ã§ãã
====å
±éãªãã·ã§ã³====
<code>newunit=nu</code>ãnuã¯ããã©ã«ãã®æŽæ°å€æ°ã§ããããã«ãããããã»ããµã¯ãã£ã³ãã«çªå·ãéžæããé©åãªãã£ãã«çªå·ãçŸåšäœ¿çšäžã®ä»»æã®ãŠãããçªå·ãšç«¶åããªãããã«ãïŒ-1ã§ã¯ãªãïŒè² ã®å€ãéžæãããŸããããã¯ãã¹ãŠã®æ°ããã³ãŒãã§äœ¿çšãããã¹ã圢åŒã§ãã
<code>iostat=ios</code>ãiosã¯ããã©ã«ãã®æŽæ°å€æ°ã§ã<code>open</code>ã¹ããŒãã¡ã³ãã§ãšã©ãŒãæ€åºãããªãå Žåã¯0ã«èšå®ãããŸãããšã©ãŒãçºçããå Žåãè¿ãããå€ã¯æ£ã«èšå®ãããæ£ç¢ºãªå€ã¯ãã³ããŒã«äŸåããŸããæè¡çã«ã¯ãªãã·ã§ã³ã§ããããã¹ãŠã®<code>open</code>ã³ãã³ãã§ãã®ãªãã·ã§ã³ã䜿çšãããããšã匷ããå§ãããŸãããã®ãªãã·ã§ã³ãååšããªãå ŽåïŒããã³<code>err=</code>ãªãã·ã§ã³ãååšããªãå Žåã以äžåç
§ïŒãããã°ã©ã ã¯ãšã©ãŒãçºçãããšåæ¢ããŸãããã®ãªãã·ã§ã³ã®ååšã¯ãããã°ã©ããŒã«å€ã確èªããŠããã°ã©ã ãé©åã«åäœããã責任ãäžããŸãã
<code>iomsg=iom</code>ãiomã¯ããã©ã«ãã®ãã£ã©ã¯ã¿ãŒå€æ°ã®ã¹ã«ã©ãŒã§ããå床ãæè¡çã«ã¯ãªãã·ã§ã³ã§ããããã¹ãŠã®æ°ããã³ãŒãã§<code>open</code>ã³ãã³ãã«ãã®ãªãã·ã§ã³ã匷ããå§ãããŸããã¡ãã»ãŒãžã®é·ãã¯ãšã©ãŒãšãã³ããŒã«äŸåããããã€ãã®ãã©ã€ã¢ã³ããšã©ãŒãå¿
èŠã«ãªãå ŽåããããŸãã
<code>file=fln</code>ãflnã¯ããã©ã«ãã®æå倿°ããªãã©ã«ããŸãã¯åŒã§ãããå€éšãã¡ã€ã«ã®ååãæå®ããŸãããã¡ã€ã«åã¯å®å
šä¿®é£Ÿãã¹ãŸãã¯ããŒã«ã«ãã¡ã€ã«åã«ããããšãã§ããŸãããã¹ããããã¯ãŒã¯ãã©ã€ãäžã®ãã¡ã€ã«ãæãå Žåããã©ã€ãã¯äºåã«æ¥ç¶ãããŠããå¿
èŠãããããã®æ¥ç¶ãè¡ãèšèªå®çŸ©ãããæ¹æ³ã¯ãããŸããã ïŒãã ãã
<code>execute_command_line</code>ã«ãã€ã§ãæ»ãããšãã§ããŸãïŒ
<code>status=stn</code>ãstnãããã©ã«ãã®æå倿°ããªãã©ã«ããŸãã¯åŒã§ããã 'old'ã 'new'ã 'replace'ã 'scratch'ããŸã㯠'unknown'ã®ããããã«è©äŸ¡ãããå¿
èŠããããŸãã 'old'ã¯ãã¡ã€ã«ãååšããããšãèŠæ±ããéåžžã<code>open</code>ã¹ããŒãã¡ã³ãã®ç®çããã¡ã€ã«ã®èªã¿åããèš±å¯ããããã«äœ¿çšãããŸãã 'new'ããã³ 'replace'ã¯ãäžèšã§èª¬æãã<code>file=</code>ãªãã·ã§ã³ã®ååšãèŠæ±ãã 'new'ã¯ãã¡ã€ã«ãååšããªãããšãèŠæ±ãã 'replace'ã¯ãã¡ã€ã«ããã§ã«ååšããŠããŠããååšããå Žåã¯äžæžããããŸãã 'scratch'ã¯ç¹å¥ã§ããã<code>file=</code>ãªãã·ã§ã³ã䜿çšããŠã¯ããããäœæããããã¡ã€ã«ã¯<code>close</code>ã³ãã³ãã®åŸã®ãµãã»ã¯ãšã³ãã®å®è¡äžã«ä¿æã§ããŸããã 'scratch'ã¯ã倧容éããŒã¿æ§é ã®äžæçãªä¿ç®¡å ŽæãšããŠãããŒããã£ã¹ã¯ãé¡äŒŒã®å€§å®¹éã¹ãã¬ãŒãžã«é垞䜿çšãããŸãã 'unknown'ãæå®ãããå Žåãããã¯<code>status=</code>ãªãã·ã§ã³ã®äžæ£ãªäœ¿çšã瀺ããŸãã
<code>access=acn</code>ãacnã¯ããã©ã«ãã®æå倿°ããªãã©ã«ããŸãã¯åŒã§ããã 'sequential'ãŸã㯠'direct'ã®ããããã§ããå¿
èŠããããŸããããã¯ãI/Oã®æ¹æ³ãæå®ããŸãã 'sequential'ã¯ãéåžžã1ã€ã®ã¬ã³ãŒããåã«èªã¿èŸŒãŸãããã¡ã€ã«ã«å¯ŸããŠäœ¿çšããã 'direct'ã¯ãéåžžãã©ã³ãã ãªã¢ã¯ã»ã¹ãèš±å¯ããããã¡ã€ã«ã«å¯ŸããŠäœ¿çšãããŸããããã«ãããåŸè
ã®ãã¡ã€ã«ã¯<code>recordlength</code>ãªãã·ã§ã³ãŸãã¯ãã¡ã€ã«ã®æ§é ã«åŸã£ãŠåºå®ã¬ã³ãŒãé·ã§ããå¿
èŠããããŸãã
<code>form=frmn</code>ãfrmnãããã©ã«ãã®æå倿°ããªãã©ã«ããŸãã¯åŒã§ããã 'formatted'ãŸã㯠'unformatted'ã®ããããã§ããå¿
èŠããããŸããããã¯ãèªã¿æžãã®åœ¢åŒãæå®ããŸãã 'formatted'ã¯ãèªã¿åããæžã蟌ã¿ãç¹å®ã®ãã©ãŒãããæå®åã«åŸã£ãŠè¡ãããããšãæå³ãã 'unformatted'ã¯ããã€ããªã¹ããªãŒã ãåçŽãªãã€ãã¬ãã«ã§ã®ã¿åŠçãããããšãæå³ããŸãã
==== Openã®ç°¡åãªäŸ ====
:<syntaxhighlight lang=fortran>
program opena
implicit none
integer :: nout !channel number
integer :: my_iostat !integer scalar to catch error status
character (len=256) :: my_iomsg !Default-kind character variable to catch error msg
open (newunit=nout, file="local.dat", iostat=my_iostat, iomsg=my_iomsg)
if (my_iostat /= 0) then
write (*,*) 'Failed to open local.dat, iomsg='//trim(my_iomsg)
stop
end if
write (nout,*)
end program
</syntaxhighlight>
==== ããŸãäžè¬çã§ã¯ãªããªãã·ã§ã³ ====
<code>access=acl</code> ããã§ acl ã¯ã'sequential'ã'direct'ã'stream' ã®ããããã§è©äŸ¡ãããæååŒã倿°ããŸãã¯ãªãã©ã«ã§ããæ¢ã«ååšããŠãããã¡ã€ã«ãéãå Žåããã®å€ã¯èš±å¯ãããå€ã«å¯Ÿå¿ããŠããªããã°ãªããŸããããã®å€ã¯éåžžããã¡ã€ã«ãäœæããããšãã«äžããããå€ã§ããæ°ãããã¡ã€ã«ãéããšãã®ããã©ã«ã㯠'sequential' ã§ãã'stream' ã¢ã¯ã»ã¹ã¯ Fortran 2008 ã®æ°æ©èœã§ãC ã®ãã€ããªã¹ããªãŒã ãã¡ã€ã«ãšã®äºææ§ããããŸããã¹ããªãŒã ãã¢ã¯ã»ã¹ã®ããäžã€ã®éèŠãªæ©èœã¯ããã¡ã€ã«ãæžã蟌ã¿çšã«é
眮ãããã¡ã€ã«ã®æ®ãã®éšåã倿Žããããšãªããã¡ã€ã«ã®äžéšãäžæžãã§ããããšã§ãããã©ãŒããããããã¹ããªãŒã ãã¡ã€ã«ã®å Žåã <code>new_line(nl)</code>颿°ã¯ãé¢é£ããæ¹è¡æåãæå倿° nl ã«è¿ããŸãã
<code>recl=rcl</code> ããã§ rcl ã¯æ£ã®å€ã«è©äŸ¡ãããªããã°ãªããªãæŽæ°åŒã倿°ãŸãã¯ãªãã©ã«ã§ããããã¡ã€ã«ãçŽæ¥ã¢ã¯ã»ã¹ã®ããã«éãããå Žåããã®ããªãã·ã§ã³ãã¯å¿
é ã§ããã åã¬ã³ãŒãã®é·ããæå®ããªããã°ãªããªããã·ãŒã±ã³ã·ã£ã«ãã¡ã€ã«ã®å Žåã¯ãªãã·ã§ã³ã§ãã¬ã³ãŒãã®æå€§é·ãæå®ããããã«äœ¿çšã§ããŸãããã§ã«ååšãããã¡ã€ã«ã®å Žåãrclã®å€ã¯ãã¡ã€ã«ã®äœæã«äœ¿çšãããå€ãšäžèŽããªããã°ãªããªããã©ã®ãããªå Žåã§ããrclã®å€ã¯ãåºç€ãšãªããªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã§èš±å¯ãããŠããªããã°ãªããªãã
<code>form=frm</code> frmã¯ã'formatted' ãŸã㯠'unformatted' ãšè©äŸ¡ãããæååŒã倿°ãŸãã¯ãªãã©ã«ã§ãããããã©ã«ãã§ã¯ã'sequential' ã¢ã¯ã»ã¹ã®å Žå㯠'formatted' ã'direct' ã¢ã¯ã»ã¹ã®å Žå㯠'unformatted' ãšãªãããããã®ãªãã·ã§ã³ã¯çç¥ã§ããããšãå€ãã
<code>blank=blk</code> ããã§ãblkã¯æååŒã倿°ããŸãã¯ãªãã©ã«ã§ããããã©ãŒããããããi/oã®ã¿ã§ 'null' ãŸã㯠'zero' ã®å€ãæäŸããã以äžã®bnããã³bzãã©ãŒããããåç
§ã
<code>position=psn</code> ããã§psnã¯ã 'asis'ã 'rewind' ãŸãã¯ã'append' ãšããŠè©äŸ¡ãããæååŒã倿°ãŸãã¯ãªãã©ã«ã§ãããã¢ã¯ã»ã¹æ¹æ³ãã·ãŒã±ã³ã·ã£ã«ã®å Žåã«ã®ã¿é©çšããããåæå€ã¯ 'asis' ã§ããéããšããæ°ãããã¡ã€ã«ã¯åžžã«åæäœçœ®ã«é
眮ãããŸãããæ¢åã®ãã¡ã€ã«ã®å ŽåããŠãŒã¶ãŒã¯çŸåšã®äœçœ®ãã©ãã«é
眮ããããéžæããããšãã§ããŸãã
<code>delim=</code>
<code>pad=</code>
==== é¿ããã¹ããªãã·ã§ã³ ====
äžã®äžã«ã¯å€ãã®ã¬ã¬ã·ãŒã³ãŒãããããŸããããã®ã»ã¯ã·ã§ã³ã§ã¯ããŸã æå¹ã§ã¯ãããã®ã®çœ®ãæããæ€èšãã¹ãã§ããæ°ããã³ãŒãã§ã¯çµ¶å¯Ÿã«äœ¿çšããŠã¯ãªããªãæ©èœã«ã€ããŠèª¬æããŸãã
<code>err=eno</code> enoã¯ãªãã©ã«ã®æŽæ°ã®ã©ãã«çªå·ã§ãã<code>open</code>æã®åŠçã§ãšã©ãŒãçºçããå Žåãããã°ã©ã ã¯ã©ãã«çªå· eno ã®æã«å¶åŸ¡ãç§»ããŸããerr=ãªãã·ã§ã³ããããšããšã©ãŒãçºçããå Žåã«ããã°ã©ã ãç¶è¡ãããŸããããã®ãªãã·ã§ã³ã¯ãçŸåšã§ã¯ <code>iostat=</code> ãš <code>iomsg=</code> ã§çœ®ãæããã¹ãã§ãã(<code>err=</code>ãš<code>iostat=</code>ã®äž¡æ¹ãæå®ããããšã¯æå¹ã§ãããã©ã¡ãããªããš<code>open</code>æã®åŠçã§ãšã©ãŒãçºçããå Žåã«ããã°ã©ã ã忢ããŠããŸããŸã)ã
<code>unit=nu</code> ããã§ãnuã¯ããã©ã«ãã®æŽæ°åŒã倿°ããªãã©ã«å€ã§ãæ£ã®å€ã§ãªããã°ãªãããæ¢ã«äœ¿çšãããŠããã©ã®åäœãšãäžèŽããŠã¯ãªããªãããã®ãªãã·ã§ã³ããªãã·ã§ã³ã®ãªã¹ãã®æåã«çœ®ãããŠããå Žåã<code>unit=</code> ã¯çç¥ã§ããŸããããã¯éåžžã«åºã䜿ãããŠããŸããããçŸåšã§ã¯<code>newunit=</code>ã«çœ®ãæããããã¹ãã§ããéåžžã«å€ãã³ãŒãã§ã¯ãnuã¯åºå®å€ã§ãããããã°ã©ãã¯åæã«äœ¿çšãããŠããä»ã®ãã£ã³ãã«ãšè¡çªããªãããã«ããªããã°ãªããŸããã§ãããæè¿ã§ã¯ã<code>inquire</code>ã¹ããŒãã¡ã³ãã¯ããŸã 䜿çšãããŠããªããŠãããçªå·ãéžæããããã«äœ¿çšããããšãã§ããŸãããããã¯åŸç¶ã®<code>open</code>ã¹ããŒãã¡ã³ããæ¢ã«äœ¿çšãããŠããåºå®å€ã䜿çšããããšããããšãé²ãããšãã§ããŸããã§ããããããã<code>newunit</code>ãªãã·ã§ã³ã ããããã£ã³ãã«çªå·ã«è² ã®å€ãæå®ããããšãã§ããçç±ã§ãã
=== Readæ ===
<code>read</code>æã¯ãæå®ããã圢åŒã®å
¥åããã倿°ãèªã¿åºãæã§ãããããšãã°ã以äžã®ããã«ãªããŸãã
:<syntaxhighlight lang=fortran>
program reada
implicit none
integer :: a
read (*,*) a
end program
</syntaxhighlight>
ãã®ã³ãŒãã¯ã<var>a</var>çšã®æŽæ°ã¡ã¢ãªé åã確ä¿ããããã©ã«ãã®å
¥åããããã©ã«ãã®ãã©ãŒãããã§å€ãèªã¿èŸŒã¿ãããã<var>a</var>ã«æ ŒçŽããŸãã<code>(*,*)</code>ã®æåã®<code>*</code>ã¯ãå€ãã©ãããèªã¿èŸŒãŸããããæå³ããã2çªç®ã®<code>*</code>ã¯ããŠãŒã¶ãŒãæ°å€ãèªã¿åãéã«å¿
èŠãªãã©ãŒããããæå®ããŸãããŸããå©çšå¯èœãªãã©ãŒãããæååã«ã€ããŠèª¬æããŸããFortranã§ã¯å€ãã®ãã©ãŒãããæååãçšæãããŠãããç»é¢äžã§ã®æ°å€ãæååã®è¡šç€ºæ¹æ³ãæå®ããããšãã§ããŸããåºå®å°æ°ç¹ã®ãªã¢ã«ã®å Žå <code>Fw.d</code>; <var>w</var>ã¯æ°å€ã«å²ãåœãŠãããã¹ããŒã¹ã®ç·æ°ã<var>d</var>ã¯å°æ°ç¹ä»¥äžã®æ¡æ°ã§ããå°æ°ç¹ä»¥äžã®äœçœ®ã¯åžžã«1ã€ã®äœçœ®ãå ããŸããããšãã°ã以äžã®ããã«ãªããŸãã
:<syntaxhighlight lang=fortran>
program reada
inplicit none
real :: a
read (*,'(F5.2)') a
end program
</syntaxhighlight>
I/Oãã©ãŒãããïŒäŸïŒ'(F5.2)'ïŒã®è©³çްã¯ä»¥äžã®éãã§ãã
===Write===
=== Inquireæ ===
<code>inquire</code>æã«ã¯2ã€ã®åºæ¬çãªåœ¢ããããŸããã<code>inquire</code> by unitããšã<code>inquire</code> by fileãã§ãã©ã¡ããéåžžã«äŸ¿å©ã§ãç¥ã£ãŠãã䟡å€ããããŸãã<code>inquire</code> by length "ãšåŒã°ããããææ§ãªåœ¢åŒããããŸããã ããã¯ãå¿
èŠãªã¬ã³ãŒãé·ã決å®ããããã«ãæœåšçãªåºåã®ãã©ãŒããããããŠããªã ã¬ã³ãŒãé·ããã§ãã¯ãããããã§ã«å®çŸ©ãããã¬ã³ãŒãé·ãæã€ãã¡ã€ã«ã äžããããåºåã«å¯Ÿå¿ã§ãããã©ããããã§ãã¯ããã®ã«äŸ¿å©ã§ãã
====Inquire by unit====
====Inquire by file====
====Inquire by length====
<code>inquire</code>ã³ãã³ãã®ããææ§ãªããŒãžã§ã³ã¯ã äžãããã圢åŒã®åºåãå«ãããã«å¿
èŠãªããã©ãŒããããããŠããªã ã¬ã³ãŒãã®é·ããååŸããããã«äœ¿çšããããŠãŒã¶ã¯å¿
èŠãªã¬ã³ãŒãã® é·ãã確èªãããæå®ãããããããšãã§ããŸãã
====Inquire errors====
=== Closeæ ===
<code>close</code>ã³ãã³ãã¯ããã¡ã€ã«ãšFortranãã£ã³ãã«ã®éã®æ¥ç¶ãè§£é€ããŸãããã®éçšã§ããã¡ã€ã«ãã©ã®ããã«éããããã«å¿ããŠããã¡ã€ã«ã¯ä¿åãããããç Žæ£ããããããŸãã<code>close</code>ã³ãã³ãã®äžè¬çãªåœ¢åŒã¯ä»¥äžã®éãã§ãã
:<syntaxhighlight lang=fortran>
close ([unit=]u, [, olist])
</syntaxhighlight>
ããã§ã<code>u</code>ã¯ã¯ããŒãºãããã£ã³ãã«ã®çªå·ãšããŠè©äŸ¡ãããããã©ã«ãã®æŽæ°åŒã倿°ããªãã©ã«å€ã§ã<code>unit=</code>ã¯ãªãã·ã§ã³ã§ãããªãã·ã§ã³ã»ãªã¹ãã§äœ¿çšã§ãããªãã·ã§ã³ã¯ä»¥äžã®ãšããã§ãã
<code>iostat=ios</code> <code>ios</code>ã¯ããã©ã«ãã®æŽæ°å€æ°ã§ã<code>close</code>ã³ãã³ããæ£ããå®è¡ãããå Žåã«ã¯å€0ãè¿ããŸãããšã©ãŒãçºçããå Žåã«ã¯ãæ»ãå€ã¯æ£ã®å€ãšãªããåŸè¿°ã®<code>iomsg</code>ãªãã·ã§ã³ã«ãã£ãŠãšã©ãŒã説æããã¡ãã»ãŒãžãæäŸãããã
<code>err=eno</code> ããã§<code>eno</code>ã¯ãªãã©ã«ã®æŽæ°ã®ã©ãã«çªå·ã§ãã<code>close</code>æã®åŠçã§ãšã©ãŒãçºçããå Žåãããã°ã©ã ã¯ã©ãã«çªå·enoã®æã«å¶åŸ¡ãç§»ããŸããerr=ãªãã·ã§ã³ããããšããšã©ãŒãçºçããå Žåã«ããã°ã©ã ãç¶è¡ãããŠããŸããããã®ãªãã·ã§ã³ã¯ãçŸåšã§ã¯ <code>iostat=</code> ãš <code>iomsg=</code> ã§çœ®ãæããã¹ãã§ããã(<code>err=</code>ãš<code>iostat=</code>ã®äž¡æ¹ãæå®ããããšã¯åæ³ã§ãããã©ã¡ããæå®ããªããš<code>open</code>æã®åŠçã§ãšã©ãŒãçºçããå Žåã«ããã°ã©ã ã忢ããŠããŸããŸã)ã
<code>iomsg=iom</code> ããã§ã<code>iom</code>ã¯ãããã©ã«ãã®çš®é¡ã®ã¹ã«ã©æå倿°ã§ããç¹°ãè¿ãã«ãªããŸãããæè¡çã«ã¯ãªãã·ã§ã³ã§ãããæ°ããã³ãŒãã®ãã¹ãŠã®<code>close</code>ã³ãã³ãã«ã¯ããã®ãªãã·ã§ã³ãåŒ·ãæšå¥šããŸããã¡ãã»ãŒãžã®é·ãã¯ãšã©ãŒããã³ããŒã«äŸåããã®ã§ã詊è¡é¯èª€ãå¿
èŠãããããŸããã
<code>status=st</code>
==== Close ã«é¢ãããšã©ãŒ ====
çŽæçã§ã¯ãªããããããŸããããFortranã¯ãã§ã«éããããŠãããã£ãã«ãCLOSEããããšããããšããšã©ãŒãšã¯ã¿ãªããŸããã<code>inquire</code>ã<code>open</code>ã®ããã«ã <code>close</code>ãå ±åãããšã©ãŒã¯ãäºå®äžã®ãªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã»ãšã©ãŒã§ããäŸãã°ãæ¢ã«éããããŠãããã£ãã«äžã§ <code>status="delete"</code> ãæã€ <code>close</code> ã¯ãç¹ã«ãã¡ã€ã«ããã¯ãååšããªãå Žåã«ã¯ãšã©ãŒãšãªããŸããåæ§ã«ãFortranã§ã¯ã'scratch' ãšããŠäœæããããã¡ã€ã«ã<code>status="keep"</code>ã§ã¯ããŒãºãããšãšã©ãŒã«ãªããŸãããããã®å¶éã¯ã<code>iostat</code>(ããã³<code>iomsg</code>)å¥ãããŠãŒã¶ãå¿
èŠã«å¿ããŠç·©ãããªçµäºãããã°ã©ã ããããã«äœ¿çšãããããšãåæãšããŠããã<code>close</code>ã³ãã³ãã®ããã©ãŒãã³ã¹ã«é¢ããå®å
šãªã¬ããŒããåŸãããã§ã¯ãããŸããã
== I/O ãã©ãŒããã ==
=== ãªã¹ãæåã®ãã©ãŒããã ===
æç€ºçãªãã©ãŒãããã«ã€ããŠã¯åŸè¿°ããŸããããèšèªã®äžã®èšèªããšãããã®ãååšããããšã¯ããã«ããããŸãã®ã§ãFortranã§ã¯ã·ã§ãŒãã«ãããã€ãŸãèšèªã§å®çŸ©ããããã©ãŒãããã®æšæž¬ãè¡ããŸãããã®ããã©ã«ããã©ãŒãããã¯ãå
¥åçšã®ã«ã³ãåºåã倿°(CSV)ããã»ããµã«éåžžã«è¿ãããšãããããŸãããªã¹ãæåã®I/Oã¯<code>fmt=*</code>ç¯ã§æå®ããŸãããfmtç¯ã¯ãªãã·ã§ã³ã§ãåã«*ã§çœ®ãæããããšãã§ããŸãã
=== æç€ºçãªãã©ãŒããã ===
Fortranã«ã¯ãI/Oæäœã®ãã©ãŒããããå¶åŸ¡ããããã®ãè±å¯ã ãéåžžã«ç°¡æœãªèšèªããããŸãããã©ãŒãããã»ã³ãã³ãã¯æç€ºçãª<code>fortmat</code>æã®äžã«çœ®ãããšãã§ãããŸããé¢é£ããREADãŸãã¯WRITEæã®ç¯ã®äžã«æåéã眮ãããšãã<code>character</code>倿°ã«æ ŒçŽããããšãã§ããŸãã | 2021-07-20T00:43:03Z | 2024-02-11T23:12:07Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/Fortran/%E5%85%A5%E5%87%BA%E5%8A%9B%E6%96%87 |
32,045 | ç¡å颿° | ã³ã³ãã¥ãŒã¿ã»ããã°ã©ãã³ã°ã«ãããŠãç¡å颿°ãšã¯ãèå¥åã«æçžãããŠããªã颿°å®çŸ©ã®ããšã§ãã ç¡å颿°ã¯ãé«é颿°ã«æž¡ãããåŒæ°ãã颿°ãè¿ãå¿
èŠã®ããé«é颿°ã®çµæãè¿ãããã«äœ¿ãããŸãã ç¡å颿°ã¯ã颿°åããã°ã©ãã³ã°èšèªã第äžçŽé¢æ°ãæã€ä»ã®èšèªã§ã¯ã©ãã«ã§ããããä»ã®ããŒã¿åã«å¯Ÿãããªãã©ã«ãšåæ§ã«ã颿°åã«å¯ŸããŠåã圹å²ãæãããŸãã
ç¡å颿°ã¯ãé»åèšç®æ©ãç»å Žãã以åã®1936幎ã«ã¢ãã³ãŸã»ãã£ãŒããçºæãããã¹ãŠã®é¢æ°ãç¡åã§ããã©ã ãèšç®ã«ç±æ¥ããŠããŸãã ããã€ãã®ããã°ã©ãã³ã°èšèªã§ã¯ãç¡å颿°ã¯ããŒã¯ãŒãlambdaãçšããŠå°å
¥ãããç¡å颿°ã¯ãã°ãã° lambdas ãŸã㯠lambda abstractions ãšåŒã°ããŸãã ç¡å颿°ã¯ã1958幎ã®Lisp以æ¥ãããã°ã©ãã³ã°èšèªã®ç¹åŸŽãšãªã£ãŠãããæè¿ã®ããã°ã©ãã³ã°èšèªã§ã¯ç¡å颿°ããµããŒããããã®ãå¢ããŠããã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ã³ã³ãã¥ãŒã¿ã»ããã°ã©ãã³ã°ã«ãããŠãç¡å颿°ãšã¯ãèå¥åã«æçžãããŠããªã颿°å®çŸ©ã®ããšã§ãã ç¡å颿°ã¯ãé«é颿°ã«æž¡ãããåŒæ°ãã颿°ãè¿ãå¿
èŠã®ããé«é颿°ã®çµæãè¿ãããã«äœ¿ãããŸãã ç¡å颿°ã¯ã颿°åããã°ã©ãã³ã°èšèªã第äžçŽé¢æ°ãæã€ä»ã®èšèªã§ã¯ã©ãã«ã§ããããä»ã®ããŒã¿åã«å¯Ÿãããªãã©ã«ãšåæ§ã«ã颿°åã«å¯ŸããŠåã圹å²ãæãããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ç¡å颿°ã¯ãé»åèšç®æ©ãç»å Žãã以åã®1936幎ã«ã¢ãã³ãŸã»ãã£ãŒããçºæãããã¹ãŠã®é¢æ°ãç¡åã§ããã©ã ãèšç®ã«ç±æ¥ããŠããŸãã ããã€ãã®ããã°ã©ãã³ã°èšèªã§ã¯ãç¡å颿°ã¯ããŒã¯ãŒãlambdaãçšããŠå°å
¥ãããç¡å颿°ã¯ãã°ãã° lambdas ãŸã㯠lambda abstractions ãšåŒã°ããŸãã ç¡å颿°ã¯ã1958幎ã®Lisp以æ¥ãããã°ã©ãã³ã°èšèªã®ç¹åŸŽãšãªã£ãŠãããæè¿ã®ããã°ã©ãã³ã°èšèªã§ã¯ç¡å颿°ããµããŒããããã®ãå¢ããŠããã",
"title": ""
}
]
| ã³ã³ãã¥ãŒã¿ã»ããã°ã©ãã³ã°ã«ãããŠãç¡å颿°ãšã¯ãèå¥åã«æçžãããŠããªã颿°å®çŸ©ã®ããšã§ãã
ç¡å颿°ã¯ãé«é颿°ã«æž¡ãããåŒæ°ãã颿°ãè¿ãå¿
èŠã®ããé«é颿°ã®çµæãè¿ãããã«äœ¿ãããŸãã
ç¡å颿°ã¯ã颿°åããã°ã©ãã³ã°èšèªã第äžçŽé¢æ°ãæã€ä»ã®èšèªã§ã¯ã©ãã«ã§ããããä»ã®ããŒã¿åã«å¯Ÿãããªãã©ã«ãšåæ§ã«ã颿°åã«å¯ŸããŠåã圹å²ãæãããŸãã ç¡å颿°ã¯ãé»åèšç®æ©ãç»å Žãã以åã®1936幎ã«ã¢ãã³ãŸã»ãã£ãŒããçºæãããã¹ãŠã®é¢æ°ãç¡åã§ããã©ã ãèšç®ã«ç±æ¥ããŠããŸãã
ããã€ãã®ããã°ã©ãã³ã°èšèªã§ã¯ãç¡å颿°ã¯ããŒã¯ãŒãlambdaãçšããŠå°å
¥ãããç¡å颿°ã¯ãã°ãã° lambdas ãŸã㯠lambda abstractions ãšåŒã°ããŸãã
ç¡å颿°ã¯ã1958幎ã®Lisp以æ¥ãããã°ã©ãã³ã°èšèªã®ç¹åŸŽãšãªã£ãŠãããæè¿ã®ããã°ã©ãã³ã°èšèªã§ã¯ç¡å颿°ããµããŒããããã®ãå¢ããŠããã | {{Wikipedia}}
[[w:ããã°ã©ãã³ã°|ã³ã³ãã¥ãŒã¿ã»ããã°ã©ãã³ã°]]ã«ãããŠãç¡å颿°ãšã¯ãèå¥åã«æçžãããŠããªã颿°å®çŸ©ã®ããšã§ãã
ç¡å颿°ã¯ã[[w:é«é颿°|é«é颿°]]ã«æž¡ãããåŒæ°ãã颿°ãè¿ãå¿
èŠã®ããé«é颿°ã®çµæãè¿ãããã«äœ¿ãããŸãã
ç¡å颿°ã¯ã[[w:颿°åããã°ã©ãã³ã°èšèª|颿°åããã°ã©ãã³ã°èšèª]]ã[[w:第äžçŽé¢æ°|第äžçŽé¢æ°]]ãæã€ä»ã®èšèªã§ã¯ã©ãã«ã§ããããä»ã®ããŒã¿åã«å¯Ÿãããªãã©ã«ãšåæ§ã«ã颿°åã«å¯ŸããŠåã圹å²ãæãããŸãã
ç¡å颿°ã¯ãé»åèšç®æ©ãç»å Žãã以åã®1936幎ã«[[w:ã¢ãã³ãŸã»ãã£ãŒã|ã¢ãã³ãŸã»ãã£ãŒã]]ãçºæãããã¹ãŠã®é¢æ°ãç¡åã§ããã©ã ãèšç®ã«ç±æ¥ããŠããŸãã
ããã€ãã®ããã°ã©ãã³ã°èšèªã§ã¯ãç¡å颿°ã¯ããŒã¯ãŒãlambdaãçšããŠå°å
¥ãããç¡å颿°ã¯ãã°ãã° ''lambdas'' ãŸã㯠''lambda abstractions'' ãšåŒã°ããŸãã
ç¡å颿°ã¯ã1958幎ã®[[w:Lisp|Lisp]]以æ¥ãããã°ã©ãã³ã°èšèªã®ç¹åŸŽãšãªã£ãŠãããæè¿ã®ããã°ã©ãã³ã°èšèªã§ã¯ç¡å颿°ããµããŒããããã®ãå¢ããŠããã
== Lisp ==
:<syntaxhighlight lang="lisp">
(setq add (lambda (a b) (+ a b)))
(apply add '(2 3)) ; 5
</syntaxhighlight>
== C++ ==
:<syntaxhighlight lang="c++">
#include <iostream>
int main() {
auto add = [](int a, int b){ return a + b; };
std::cout << add(2, 3) << std::endl; // 5
return 0;
}
</syntaxhighlight>
== JavaScript ==
;[[JavaScript/颿°#颿°åŒ|functionããŒã¯ãŒã]]:<syntaxhighlight lang="javascript">
const add = function(a, b) {
return a + b;
}
console.log(add(2, 3)); // 5
</syntaxhighlight>
;[[JavaScript/颿°#ã¢ããŒé¢æ°|ã¢ããŒé¢æ°]]:<syntaxhighlight lang="javascript">
const add = (a, b) => a + b;
console.log(add(2, 3)); // 5
</syntaxhighlight>
== Perl ==
:<syntaxhighlight lang=perl>
$f = sub {
my $x = shift;
my $y = shift;
return $x * $y;
}
print $f->(2, 3);
</syntaxhighlight>
== PHP ==
:<syntaxhighlight lang="php">
<?php
$add = function($a, $b){ return $a + $b; };
echo $add(2, 3); // 5
?>
</syntaxhighlight>
== Ruby ==
;[[Ruby#lambda|lambdaããŒã¯ãŒã]]:<syntaxhighlight lang="ruby">
add = lambda{ |a, b| a + b }
puts add[2, 3] # 5
</syntaxhighlight>
;Procã¯ã©ã¹:<syntaxhighlight lang="ruby">
add = Proc.new{ |a, b| a + b }
puts add[2, 3] # 5
</syntaxhighlight>
;ã¢ããŒæŒç®å:<syntaxhighlight lang="ruby">
add = ->(a, b){a + b}
puts add[2, 3] # 5
</syntaxhighlight>
== Python ==
:<syntaxhighlight lang="python">
add = lambda a, b: a + b
print(add(2, 3)) # 5
</syntaxhighlight>
== Lua ==
:<syntaxhighlight lang="lua">
add = function(a, b) return a + b end
print(add(2, 3)) -- 5
</syntaxhighlight>
== Java ==
:<syntaxhighlight lang="java">
BiFunction<Integer, Integer, Integer> add = (a, b) -> a + b;
System.out.println(add.apply(2, 3)); // 5
</syntaxhighlight>
== C# ==
;å¿åã¡ãœãã:<syntaxhighlight lang="csharp">
Func<int, int, int> add = delegate(int a, int b){ return a + b; };
Console.WriteLine(add(2, 3)); // 5
</syntaxhighlight>
;ã©ã ãåŒ:<syntaxhighlight lang="csharp">
Func<int, int, int> add = (a, b) => a + b;
Console.WriteLine(add(2, 3)); // 5
</syntaxhighlight>
== Swift ==
;[[Swift/ææ³#ã¯ããŒãžã£|ã¯ããŒãžã£]]:<syntaxhighlight lang="swift">
let add = {(a:Int, b:Int) -> Int in a + b}
print(add(2, 3)) // 5
</syntaxhighlight>
== Kotlin ==
;ç¡å颿°:<syntaxhighlight lang="kotlin">
val add = fun(a:Int, b:Int) = a + b
println(add(2, 3)) // 5
</syntaxhighlight>
;ã©ã ãåŒ:<syntaxhighlight lang="kotlin">
val add = {a:Int, b:Int -> a + b}
println(add(2, 3)) // 5
</syntaxhighlight>
== Go ==
:<syntaxhighlight lang="go">
f := func(s string) string { return "Hello, " + s + "!" }
fmt.Println(f("world"))
</syntaxhighlight>
== D ==
:<syntaxhighlight lang="d">
auto f = (int x, int y){ return x * y; };
</syntaxhighlight>
== Zig ==
:<syntaxhighlight lang=zig>
const f = struct {
pub fn func(x:i64, y: i64) i64 {
return x * y;
}
}.func;
</syntaxhighlight>
:[[Zig]]ã§ã¯ãå¿åstructã®å
¬éã¡ã³ããŒãžã®ãã€ã³ã¿ãŒãè¿ããšç¡å颿°ãšãªããsort()颿°ãªã©ã®åŒæ°ã«äœ¿ãããšãã§ããŸãã
== å€éšãªã³ã¯ ==
* [[w:en:Anonymous function]]
[[Category:ã³ã³ãã¥ãŒã¿èšèª]] | 2021-07-20T03:45:21Z | 2023-11-10T04:36:36Z | [
"ãã³ãã¬ãŒã:Wikipedia"
]
| https://ja.wikibooks.org/wiki/%E7%84%A1%E5%90%8D%E9%96%A2%E6%95%B0 |
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{
"paragraph_id": 0,
"tag": "p",
"text": "çŸäººäžéŠã¯è€åå®å®¶ã«ããç§ææ°ãåºã«ããŠã€ãããããããã®äžçš®ã§ãããã®ç·šçºã京éœå°åå±±ã§ç·šçºãããšããç±æ¥ããå°åçŸäººäžéŠãšããããŸãã",
"title": "ã¯ããã«"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "çŸäººäžéŠã®å
容ãªã©ã«ã€ããŠã¯w:çŸäººäžéŠã«è²ããŸããããã§ã¯ãçŸäººäžéŠã®ããããçšããã²ãŒã ã«ã€ããŠè§£èª¬ããŸãã",
"title": "ã¯ããã«"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "çŸäººäžéŠã®ã«ã«ã¿ãäžéããã«ã¯æãèŠããã®ãéåã§ãããããããã£ãºãã«ãã¹ãŠãæèšããã®ã¯äžå¯èœã§ããå¹çããèŠããããã®æ¹æ³ã®äžã€ã決ãŸãåãèŠããããšã§ãã",
"title": "ããã"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "決ãŸãåã®åºæ¬ã§ãã以äžã®æã¯æåã®äžæåã§æãåãããã®ã§ãã6ã€ãããŸããããã®æåã®æåããšã£ãããã»ãã»ãã»ãµã»ãã»ã»ã»ã(åšãç·å¹²ã)ããšèŠããŸãããã",
"title": "ããã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "æ®éã®ã«ã«ã¿åããšã»ãŒåãã§ãã",
"title": "ããã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "ãŸããèªã¿æãäžäººéžã³ãèªã¿æãèªã¿æããšããŸãããããŠãåãæãé©åœã«éãªããªãããã«ããŠæ£ãããŸãããã®ãšãããªãã¹ãå
¬å¹³ã«ãªãããã«åãæã®é ã¯ãã©ãã©ãªåãã«ãªãããã«ããŸãããŸãããæä»ãã®ããã«ãã£ã決ããŠãããšããã§ããããäžè¬çã«ã¯äžåäŒã¿ãå€ãããã§ãã",
"title": "ããã"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "æºåãã§ããããèªã¿æãæãèªã¿ãŸããåãæã¯ããã£ãæç¹ã§åãæããšããŸããããåæã«äœäººããåãæãæŒãããå Žåã«ã¯ãæãäžçªäžã«ãã人ã®ãã®ã§ãã",
"title": "ããã"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "æ
£ããŠããªãå ŽåããªããªãæããšããªããããããŸããããã®æã«ã¯ãèªã¿æãäžã®å¥ãç¹°ãè¿ãèªãããã«ããŸãããã",
"title": "ããã"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "ããããŠãåãæããã¹ãŠãªããªã£ããçµäºã§ããé äœã¯ãšã£ãæã®å€ãé ãšãªããŸãã",
"title": "ããã"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "ãã®ã²ãŒã ã§ã¯èªã¿æ(çµµæ)ã®ã¿ãçšããŸããçŸäººäžéŠã®å
容ãèŠããå¿
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"title": "ãã®ä»"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "é§ãåŒããªã©ã®ãå®åãã¯ã»ãšãã©å¿
èŠãªããã»ãŒéã®ã¿ã®ã²ãŒã ã§ããããããããããã«åå è
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¥ããããã®ãœãŒã·ã£ã«ã¹ãã«ãã¬ãŒãã³ã°ã®äžç°ãšããŠãåããŠããŸãã",
"title": "ãã®ä»"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "ãã¡ãããçŸäººäžéŠã®æã®å
容ãªã©ã«ãèå³ãåºããããšãã§ããŸãã",
"title": "ãã®ä»"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "åäž»ãããã®ç¹åŸŽã§ããããé
åã§ãããã®ã¯ããŒã«ã«ã«ãŒã«ãéåžžã«å€ãããšã§ãããã®ãããåå è
å士ã®ã«ãŒã«ç¢ºèªã¯ããŠãããŸããããããã§ã¯ãããç¥ãããŠããã«ãŒã«ã玹ä»ããŸãã",
"title": "ãã®ä»"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "ãŸããæ
£ããŠããããããããšã¢ã¬ã³ãžãããŠãé¢çœãã§ããã",
"title": "ãã®ä»"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "ããŒã«ã«ã«ãŒã«ã®ä»£è¡šãèäžžæã§ããèäžžæã®æ±ãã«ã€ããŠã¯ä»¥äžã®ãããªã«ãŒã«ããããŸãã",
"title": "ãã®ä»"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "ãã®ããã«ãã«ãŒã«ãæã倿§ãªã®ã§ãèäžžã®æ±ãã¯çã£å
ã«ç¢ºèªããŠãããŸãããã",
"title": "ãã®ä»"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "倩æºå€©çãæçµ±å€©çãéœæé¢ãå
å倩çãäžæ¡é¢ãåŽåŸ³é¢ãåŸé³¥çŸœé¢ãé 埳é¢ã®8人ã¯å€©çæãšåŒã°ããããšããããŸãããã®äžã§ãã倩æºå€©çæãšæçµ±å€©çæã¯ç¹å¥æ±ããããããšããããŸãã",
"title": "ãã®ä»"
},
{
"paragraph_id": 17,
"tag": "p",
"text": "åŒãæã£ãŠãã人ç©ãæŠå®æ(ãŸãã¯åŒæã¡æ)ãšåŒã¶ããšããããŸãã該åœããã®ã¯ãåè°ç¯ãåšåæ¥å¹³æè£ãè€åæè¡æè£ã壬çå¿ å²ãåè°çã壬çå¿ èŠãè€åéä¿¡æè£ãè€ååºä¿ã®8人ã§ãããã¡ãŒã«ãŒã«ãã£ãŠã¯åŒãæã£ãŠããªãå ŽåããããŸã(ç¹ã«å£¬çå¿ èŠæã¯åŒãæã£ãŠããªãããšãå€ã)ããã¬ã€åã«ç¢ºèªããŠãããŸãããã",
"title": "ãã®ä»"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "æŠå®æã®æ±ãã«ã¯ä»¥äžã®ãããªãã®ããããŸãã",
"title": "ãã®ä»"
},
{
"paragraph_id": 19,
"tag": "p",
"text": "ãªã©ãªã©ã",
"title": "ãã®ä»"
},
{
"paragraph_id": 20,
"tag": "p",
"text": "以äžã®ã«ãŒã«ãè²ã
ãšçµã¿åãããŠéãã§ã¿ãŠãã ããã",
"title": "ãã®ä»"
}
]
| null | == ã¯ããã« ==
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[[Category:ã³ã³ãã¥ãŒã¿ã²ãŒã ]][[Category:Minecraft]] | 2021-07-25T15:42:28Z | 2023-09-26T11:43:56Z | [
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32,060 | Minecraft/ã²ãŒã ã¢ãŒã | ãã€ã³ã¯ã©ããã«ã¯ã以äžã®ãããªã²ãŒã ã¢ãŒãããããŸãã
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"title": "ã²ãŒã ã¢ãŒãã®çš®é¡"
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"title": "ã²ãŒã ã¢ãŒãã®çš®é¡"
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·ã§ããç Žå£ã§ããªããBedrockçã®å Žåã¯èšçœ®ãç Žå£ã®éã«ãcan_destroy NBTã¿ã°ããcan_place_on NBTã¿ã°ãå¿
èŠãšãªããŸãã",
"title": "ã²ãŒã ã¢ãŒãã®çš®é¡"
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ã«ãªã£ãŠããããã¯ããšã³ãã£ãã£ãããæããŠãç§»åããããšãã§ããã¢ãŒãã§ãããšã³ãã£ãã£ãå·Šã¯ãªãã¯ãããšããã®ãšã³ãã£ãã£ã®èŠç¹ã«åãæ¿ãããç¹å®ã®ãšã³ãã£ãã£(ã¯ãªãŒããŒãã¯ã¢ãæŽçªã°ã¢ããšã³ããŒãã³)ã§ã¯ãèŠããèŠç¹ãå€åããŸããããŒãã³ã¢ã¢ãŒãã§ã¯ãæ»äº¡ããéã«ãã®ã¢ãŒãã§åŸ©æŽ»ã§ããŸãã",
"title": "ã²ãŒã ã¢ãŒãã®çš®é¡"
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·ã§ããç Žå£ã§ããªããBedrockçã®å Žåã¯èšçœ®ãç Žå£ã®éã«ãcan_destroy NBTã¿ã°ããcan_place_on NBTã¿ã°ãå¿
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32,061 | Minecraft/æ | æã¯ããªãŒããŒã¯ãŒã«ãã§çæããã建é ç©ã®äžã€ã§ãã
æã¯ãå¹³åãç æŒ ããµãã³ããã¿ã€ã¬ããã³ãã©ã«çæãããŸããæã«ã¯ãå°ããªå®¶ã倧ããªå®¶ãçãèå±ãæäŒãªã©ã®å»ºç©ãçæãããããŸããŸãªè·æ¥ã®æäººãäœãã§ããŸãããŸããã¢ã€ã¢ã³ãŽãŒã¬ã ããã³ãã¹ããŒã³ããŸãã
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¥ããšè¥²æã€ãã³ããéå§ãããã | [
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ããããéªæªãªæäººãæã襲æããã€ãã³ãã§ããäžåãªäºæã®ã¹ããŒã¿ã¹å¹æãããéã«ãæã«å
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æã¯ããªãŒããŒã¯ãŒã«ãã§çæããã建é ç©ã®äžã€ã§ãã[[Category:Minecraft]]
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ã§ããŸãã | [
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"tag": "p",
"text": "Swiftã®å¶åŸ¡æ§é ã«ã¯ã以äžã®ãããªç¹åŸŽããããŸãã",
"title": "å¶åŸ¡æ§é "
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"tag": "p",
"text": "Swiftã¯ã#ifæã#guardæã#switchæ ã®3çš®é¡ã®å岿( Branch Statements )ãæã¡ãŸãã",
"title": "å¶åŸ¡æ§é "
},
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"text": "Swiftã®ifæã¯ãäžããããæ¡ä»¶ã«åŸã£ãŠåŠçãåãæ¿ããŸãã",
"title": "å¶åŸ¡æ§é "
},
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"text": "Swiftã®ifæã§ã¯ãæ¡ä»¶åŒã«Boolåã®å€ãæž¡ããŸãããã ããOptionalåã䜿çšããŠæ¡ä»¶ãæå®ããããšãã§ããŸããOptionalåã¯ãå€ãååšããå Žåã¯éOptionalåãä¿æããå€ãååšããªãå Žåã¯nilãä¿æããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
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"text": "ifæã®æ¡ä»¶åŒã«Optionalåãæå®ããå Žåããã®Optionalåãå€ãæã£ãŠãããã©ãããå€å®ããããšãã§ããŸããOptionalåãnilãä¿æããŠããå Žåãæ¡ä»¶åŒã¯falseãšããŠæ±ãããŸããOptionalåãå€ãæã£ãŠããå Žåãæ¡ä»¶åŒã¯trueãšããŠæ±ãããŸãã",
"title": "å¶åŸ¡æ§é "
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"text": "以äžã¯ãOptionalåã䜿çšããifæã®äŸã§ãã",
"title": "å¶åŸ¡æ§é "
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"text": "äžèšã®äŸã§ã¯ãoptionalValueãOptionalåã§ãããå€ãæã£ãŠããå Žåã«ã¯ãvalueã«ãã®å€ãæçžããŸããOptionalåãnilãä¿æããŠããå Žåã«ã¯ãelseãããã¯ãå®è¡ãããŸãã",
"title": "å¶åŸ¡æ§é "
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"text": "Swiftã«ãããŠã#availableãš#unavailableãã£ã¬ã¯ãã£ãã䜿çšããŠãç¹å®ã®ãã©ãããã©ãŒã ã®ããŒãžã§ã³ã§ã®ã¿å©çšå¯èœãªã³ãŒããèšè¿°ããããšãã§ããŸããããã«ãããå®è¡æã«ã¯ã©ãã·ã¥ããå¯èœæ§ã®ããã³ãŒããåé¿ã§ããŸãã",
"title": "å¶åŸ¡æ§é "
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"text": "ããã¯ãiOSãmacOSãwatchOSãtvOSãªã©ã®ç¹å®ã®ããŒãžã§ã³ã«äŸåããAPIã®äœ¿çšããã§ãã¯ããã®ã«äŸ¿å©ã§ãã",
"title": "å¶åŸ¡æ§é "
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"text": "以äžã¯ãiOS 15ã§æ°ãã远å ãããasync/awaitã䜿çšããå Žåã®äŸã§ãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 10,
"tag": "p",
"text": "if #available(iOS 15.0, *) {",
"title": "å¶åŸ¡æ§é "
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"tag": "p",
"text": "} else {",
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"text": "}",
"title": "å¶åŸ¡æ§é "
},
{
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"tag": "p",
"text": "äŸãã°ãiOS 14ã§å»æ¢ãããAPIã䜿çšããå Žåã以äžã®ããã«æžãããšãã§ããŸãã",
"title": "å¶åŸ¡æ§é "
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{
"paragraph_id": 14,
"tag": "p",
"text": "Swiftã®guardæã¯ãæ¡ä»¶åŒãfalseã®å Žåã«ãelseç¯ã§å®çŸ©ãããåŠçãå®è¡ããææ³ã§ããguardæã¯äž»ã«ãäºåæ¡ä»¶ã確èªããŠãåææ¡ä»¶ãæºãããªãå Žåã¯ãšã©ãŒãæããããåŠçãäžæããå Žåã«äœ¿çšãããŸãã",
"title": "å¶åŸ¡æ§é "
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"text": "guardæã®elseç¯ã§ã¯ãreturnæãthrowæã䜿ã£ãŠãåŠçãäžæãããå¿
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ã§å®çŸ©ããã倿°ã宿°ããguardæã®å€åŽã§ãæå¹ã«ãªã£ãŠããããã§ãã",
"title": "å¶åŸ¡æ§é "
},
{
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"text": "ãŸããguardæã䜿ãããšã§ãif-letæãªã©ããããã³ãŒãã®å¯èªæ§ãé«ãä¿ã¡ãªããããšã©ãŒåŠçããªãã·ã§ãã«ãã€ã³ãã£ã³ã°ãå®è¡ããããšãã§ããŸãã",
"title": "å¶åŸ¡æ§é "
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"text": "CaseIterableã¯ãSwiftã®ãããã³ã«ã§ãåæåãå®çŸ©ãããšãã«å®è£
ããããšãã§ããŸãããã®ãããã³ã«ãå®è£
ããããšã§ãåæåã®ã±ãŒã¹ãé
åãšããŠååŸã§ããããã«ãªããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
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"tag": "p",
"text": "äŸãã°ã以äžã®ãããªFruitãšããåæåããããšããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
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"tag": "p",
"text": "ãã®åæåã«CaseIterableãããã³ã«ãå®è£
ããããšã§ã以äžã®ããã«å
šãŠã®ã±ãŒã¹ãé
åãšããŠååŸã§ããŸãã",
"title": "å¶åŸ¡æ§é "
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"text": "ãã®ããã«ãCaseIterableã䜿ãããšã§ãç¶²çŸ
æ§ããã§ãã¯ããããšãã§ããŸããç¶²çŸ
æ§ãšã¯ããã¹ãŠã®å¯èœæ§ãã«ããŒããŠãããã©ããã衚ããŸããäŸãã°ã以äžã®ãããªé¢æ°ããã£ããšããŸãã",
"title": "å¶åŸ¡æ§é "
},
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"text": "ãã®é¢æ°ã¯ãFruitåæåã®ãã¹ãŠã®ã±ãŒã¹ãç¶²çŸ
ããŠããŸãããããããFruitã«CaseIterableãããã³ã«ãå®è£
ããäžã§ã以äžã®ããã«ä¿®æ£ããããšã§ããã¹ãŠã®ã±ãŒã¹ãç¶²çŸ
ããããšãã§ããŸãã",
"title": "å¶åŸ¡æ§é "
},
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"tag": "p",
"text": "ãã®ããã«ãCaseIterableã䜿ãããšã§ãåæåã®ãã¹ãŠã®ã±ãŒã¹ãé
åãšããŠååŸã§ããç¶²çŸ
æ§ããã§ãã¯ããããšãã§ããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
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"tag": "p",
"text": "Swiftã®ããã¿ãŒã³ããšã¯ãå€ãåè§£ããŠç¹å®ã®éšåãåãåºãããã«äœ¿çšãããä»çµã¿ã§ãã ãã¿ãŒã³ã䜿çšããããšã§ãSwiftã¯å€ãããæ£ç¢ºã«ç¹å®ããã³ãŒãã®å¯èªæ§ãåäžãããããšãã§ããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
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"tag": "p",
"text": "以äžã§ã¯ãäž»èŠãªãã¿ãŒã³ã«ã€ããŠè§£èª¬ããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
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"tag": "p",
"text": "ã¯ã€ã«ãã«ãŒããã¿ãŒã³ã¯ãã¢ã³ããŒã¹ã³ã¢(_)ã§è¡šãããŸãããã®ãã¿ãŒã³ã¯ãå€ãç¹å®ããã«ãåã«ãããããããå Žåã«äœ¿çšãããŸããããšãã°ã以äžã®ããã«äœ¿çšã§ããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 26,
"tag": "p",
"text": "ãã®ã³ãŒãã§ã¯ãxãã©ã®å€ã§ããã¯ã€ã«ãã«ãŒããã¿ãŒã³ã«ãããããŠããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 27,
"tag": "p",
"text": "èå¥åãã¿ãŒã³ã¯ãå€ãèå¥åãšããŠè§£æ±ºã§ããå Žåã«äœ¿çšãããŸããããšãã°ã倿°åã宿°åãèå¥åãã¿ãŒã³ã«ãªããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 28,
"tag": "p",
"text": "ãã®ã³ãŒãã§ã¯ãèå¥åãã¿ãŒã³ãlet yã§ãããyããããããå€ããã€ã³ãããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 29,
"tag": "p",
"text": "åæåã±ãŒã¹ãã¿ãŒã³ã¯ãåæåã®å€ãããããããããã«äœ¿çšãããŸããäŸãã°ã以äžã®ããã«äœ¿çšã§ããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 30,
"tag": "p",
"text": "ãã®ã³ãŒãã§ã¯ãåæåã±ãŒã¹ãã¿ãŒã³ã.redã§ãããcolorãColor.redãšãããããããšã«ãªããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 31,
"tag": "p",
"text": "ãªãã·ã§ãã«ãã¿ãŒã³ã¯ããªãã·ã§ãã«åã®å€ãããããããããã«äœ¿çšãããŸããããšãã°ã以äžã®ããã«äœ¿çšã§ããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 32,
"tag": "p",
"text": "ãã®ã³ãŒãã§ã¯ããªãã·ã§ãã«ãã¿ãŒã³ã.some(let x)ã§ãããoptionalValueãå€ãæã€å Žåã¯ããã®å€ãxã«ãã€ã³ããããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 33,
"tag": "p",
"text": "åŒãã¿ãŒã³ã¯ãåŒãšäžèŽãããã©ããããã¹ãããŸããäŸãã°ã倿°ã®å€ãç¹å®ã®ç¯å²å
ã«ãããã©ããããã¹ãããå Žåã«äœ¿çšã§ããŸãã以äžã¯ãåŒãã¿ãŒã³ã®äŸã§ãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 34,
"tag": "p",
"text": "ãã®äŸã§ã¯ãvalueã®å€ã1ã5ã®ç¯å²ã«ããå Žåã¯2çªç®ã®ã±ãŒã¹ãå®è¡ãããŸããåŒãã¿ãŒã³ã¯ãç¯å²æŒç®åã䜿çšããããšãã§ãããããæ°å€ãæååãªã©ã®æ¯èŒã«ç¹ã«äŸ¿å©ã§ãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 35,
"tag": "p",
"text": "ã¿ã€ããã£ã¹ãã£ã³ã°ãã¿ãŒã³ã¯ããªããžã§ã¯ãã®åãšäžèŽãããã©ããããã¹ãããŸããã¿ã€ããã£ã¹ãã£ã³ã°ãã¿ãŒã³ã¯ãisæŒç®åã䜿çšããŠãã¹ãããããšãã§ããŸãã以äžã¯ãã¿ã€ããã£ã¹ãã£ã³ã°ãã¿ãŒã³ã®äŸã§ãã",
"title": "å¶åŸ¡æ§é "
},
{
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"tag": "p",
"text": "ãã®äŸã§ã¯ãanimalsé
åã®èŠçŽ ãDogåãCatåãããã¹ãããŠããŸããisæŒç®åã䜿çšããããšã§ãDogåãCatåãã©ãããç°¡åã«ãã¹ãããããšãã§ããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 37,
"tag": "p",
"text": "Swiftã¯ã#for-inæã#whileæã#repeat-whileæã®3çš®é¡ã®ç¹°è¿ãæ( Loop Statements )ãæã¡ãŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 38,
"tag": "p",
"text": "Swiftã® for-in æã¯ãã·ãŒã±ã³ã¹ãã³ã¬ã¯ã·ã§ã³ã®èŠçŽ ãå埩åŠçããããã«äœ¿çšãããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 39,
"tag": "p",
"text": "Swiftã®whileæã¯ãæå®ãããæ¡ä»¶ãfalseã«ãªããŸã§ããããã¯å
ã®ã³ãŒããå®è¡ãç¶ããŸãã whileã«ãŒãã¯ãæ¡ä»¶ãtrueã«ãªããŸã§äžåºŠãå®è¡ãããªãå Žåããããããæåããæ¡ä»¶ãfalseã§ããããšãããã£ãŠããå Žåã¯ãrepeat-whileæãäœ¿ãæ¹ãé©ããŠããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 40,
"tag": "p",
"text": "Swiftã®repeat-whileæã¯ãæå®ãããæ¡ä»¶ãtrueã®å Žåã«ç¹°ãè¿ãåŠçãå®è¡ããããã®å¶åŸ¡æ§æã§ãããã®æã¯ãæäœ1åã®å®è¡ãä¿èšŒããŸããwhileããŒã¯ãŒãã®åŸã«æ¡ä»¶ãç¶ããå®è¡ãç¶ãããããã©ããã倿ããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 41,
"tag": "p",
"text": "æ¡ä»¶åŒã¯BoolåãBoolåã®åŒããBooleanTypeãããã³ã«ãå®è£
ããåã§ãªããã°ãªããŸããã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 42,
"tag": "p",
"text": "æ¡ä»¶åŒãæžããšãã«äœ¿ãè«çæŒç®åãæ¯èŒæŒç®åã®ä»æ§ã¯äžèšã®ãšããã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 43,
"tag": "p",
"text": "æ¡ä»¶åŒã«ã¯ãoptional-binding-condition ãåãããšãã§ããŸãã æ§æçã«ã¯ã倿°å®£èš(ãããã¯å®æ°å®£èš)ã«äŒŒãŠããŸãããnilãåãåŸãOptionalåã§ãã³ã³ãã£ã·ã§ã³ãªã¹ãã®æåŸã®åŒã®å€ãæ¡ä»¶åŒã®è©äŸ¡å¯Ÿè±¡ã«ãªããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 44,
"tag": "p",
"text": "ã¹ã³ãŒããæããæã«ãèªåçã«å®è¡ãããåŠçã®ç»é²ã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 45,
"tag": "p",
"text": "throwsãrethrowsããŒã¯ãŒããæå®ãããã¡ãœããã¯ãtryãtry?ãtry!ã®ãããããæå®ããŠã³ãŒã«ããå¿
èŠããããŸãã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 46,
"tag": "p",
"text": "#throwsããŒã¯ãŒããåç
§ã®ããšã",
"title": "å¶åŸ¡æ§é "
},
{
"paragraph_id": 47,
"tag": "p",
"text": "颿°ãšã¯ããŒãžã£ã¯ç¬¬äžçŽé¢æ°ã§ãããæ®éã®ãªããžã§ã¯ããšåãããã«å€æ°ã«å
¥ãããã颿°ã®åŒæ°ãæ»ãå€ãšããŠåãæž¡ãã§ããŸãã",
"title": "颿°ãšã¯ããŒãžã£"
},
{
"paragraph_id": 48,
"tag": "p",
"text": "Swift ã®é¢æ°ã®æ§æã¯ãããããäžèšã®ããã«ãªããŸãã",
"title": "颿°ãšã¯ããŒãžã£"
},
{
"paragraph_id": 49,
"tag": "p",
"text": "äžè¿°ã®ãããªæ§æã§é¢æ°ãæžãå Žåã颿°ã®åŒã³åºãåŽã§ã¯ã颿°ã®åŒæ°ã«ã¯å€éšåŒæ°å(external parameter name)ãæå®ããªããã°ãªããŸãããäžèšã³ãŒãäŸã§ã¯5è¡ç®ã®weightãå€éšåŒæ°ã§ãã",
"title": "颿°ãšã¯ããŒãžã£"
},
{
"paragraph_id": 50,
"tag": "p",
"text": "察ããŠé¢æ°å
éšã®ã¿ã§äœ¿çšã§ããåŒæ°åã¯ããŒã«ã«åŒæ°å(local parameter names)ãšåŒã¶ãäžèšã³ãŒã1è¡ç®ã®weightãããŒã«ã«åŒæ°ã§ãã",
"title": "颿°ãšã¯ããŒãžã£"
},
{
"paragraph_id": 51,
"tag": "p",
"text": "颿°ã®åŒã³åºãåŽã«ãŠå€éšåŒæ°åãçç¥ãããããã«ã¯ãå®£èšæã®å€éšåŒæ°åã« _ (ã¢ã³ããŒã¹ã³ã¢)ãèšè¿°ããŸããåã«èšè¿°ããªãã£ãå Žåãå€éšåŒæ°åãšããŒã«ã«åŒæ°åã«åãå€ãæå®ãããã®ãšã¿ãªãããŸãã",
"title": "颿°ãšã¯ããŒãžã£"
},
{
"paragraph_id": 52,
"tag": "p",
"text": "Swiftã«ã¯ãæ¢åã®åã«æ°ããæ©èœã远å ããExtensionæ©èœããããŸãã",
"title": "颿°ãšã¯ããŒãžã£"
},
{
"paragraph_id": 53,
"tag": "p",
"text": "ãã®ããã«ãSwiftã®Extensionæ©èœã䜿çšãããšãæ¢åã®åã«æ°ããã¡ãœããã远å ããããšãã§ããŸãã ããã«ãããæšæºã©ã€ãã©ãªã®åã«ã«ã¹ã¿ã æ©èœã远å ããããã³ãŒãã®åå©çšæ§ãé«ãããããããšãã§ããŸãã",
"title": "颿°ãšã¯ããŒãžã£"
},
{
"paragraph_id": 54,
"tag": "p",
"text": "Swiftã§ã¯äžæ¬åŒ§{}ã§å²ãŸããã³ãŒããããã¯ã¯äºå®äžå
šãŠã¯ããŒãžã£ãšãªããŸãã ãã®ãšããåŒæ°ã»æ»ãå€ãšãæ¬äœã®åŠçã®éã«ãinããæžãããšã§ããã®2ã€ã®éšåãåºå¥ããŸãã",
"title": "颿°ãšã¯ããŒãžã£"
},
{
"paragraph_id": 55,
"tag": "p",
"text": "ã¯ããŒãžã£ã®åãæšè«å¯èœãªå Žåçã§ã¯ãåçš®çç¥èšæ³ã䜿çšã§ããŸãã",
"title": "颿°ãšã¯ããŒãžã£"
},
{
"paragraph_id": 56,
"tag": "p",
"text": "颿°ã®æåŸã®åŒæ°ãã¯ããŒãžã£ã§ããå Žåããããæ¬åŒ§ã®å€ã«åºãããšãã§ããŸãããŸãããããå¯äžã®åŒæ°ã§ããå Žåã¯æ¬åŒ§ãã®ãã®ãçç¥ã§ããŸãã",
"title": "颿°ãšã¯ããŒãžã£"
},
{
"paragraph_id": 57,
"tag": "p",
"text": "ã¯ããŒãžã£ã§ãã£ããã£ãã倿°ã®å®£èšãweakãunownedãæå®ãããšãä¿æãããªãåç
§ã«ãªããŸãã",
"title": "颿°ãšã¯ããŒãžã£"
},
{
"paragraph_id": 58,
"tag": "p",
"text": "Swiftã§ã¯ä»»æã®åã«å¯ŸããŠãæ¢åã®æŒç®åããªãŒããŒããŒãããŠç¬èªã®æ¯ãèããå®çŸ©ããããšãã§ããŸãã ãªã = -> . // /* */ ã¯äºçŽãããŠãããªãŒããŒããŒããããã«ã¹ã¿ã æŒç®å(åŸè¿°)ãšããŠå®çŸ©ããããšã¯ã§ããŸããã",
"title": "æŒç®å"
},
{
"paragraph_id": 59,
"tag": "p",
"text": "Swiftæšæºã®å®çŸ©æžã¿æŒç®å(+ã*ã%ãªã©)ã®ä»ã«ãå
šãæ°ããæŒç®åãå®çŸ©ããããšãã§ããŸããæ°ããå®çŸ©ããã«ã¹ã¿ã æŒç®åã¯ãæšæºã®æŒç®åãšåãããã«æŒç®åãªãŒããŒããŒããå®è£
ã§ããŸãã",
"title": "æŒç®å"
}
]
| null |
{{Nav}}
== å¶åŸ¡æ§é ==
Swiftã®å¶åŸ¡æ§é ã«ã¯ã以äžã®ãããªç¹åŸŽããããŸãã
;æ¬åŒ§ã®å¿
èŠæ§ã®äœã: æ¡ä»¶åŒãæ¬åŒ§ã§å²ãå¿
èŠããªãå ŽåããããŸããããšãã°ãifæãwhileæã®æ¡ä»¶åŒã«æ¬åŒ§ã¯å¿
èŠãããŸããããã ããå¯èªæ§ã®åäžã®ããã«æ¬åŒ§ã䜿çšããããšãæšå¥šãããŸãã
;æ³¢æ¬åŒ§ã®å¿
èŠæ§: Cèšèªã®ããã«æ³¢æ¬åŒ§ã§è€æ°ã®æãã°ã«ãŒãåããå¿
èŠããããŸãã1ã€ã®æã ãã§ãã£ãŠãæ³¢æ¬åŒ§ã䜿çšããããšãæšå¥šãããŠããŸãã
;else ifã®ä»£ããã«else ifã®é£é: Cèšèªã®ããã«ãelse ifã䜿ã£ãŠè€æ°ã®æ¡ä»¶åå²ãé£éãããããšãã§ããŸãããã ããSwiftã§ã¯ãelse ifã§ã¯ãªããelseãšifãé£çµããŠé£éããããšãã§ããŸããããããifæã®é£éããšåŒã³ãŸãã
;switchæã®è±å¯ãªæ©èœ: switchæã¯ã倿°ã®ãã¿ãŒã³ãããã³ã°ã®æ©èœãæäŸããŠããŸããcaseç¯ã§ã¯ããªãã©ã«ãç¯å²ãã¿ãã«ãåãªã©ã®ãã¿ãŒã³ã䜿çšã§ããŸãããŸããSwift 2.0ããã¯ã@availableã@objcã@IBOutletãªã©ã®å±æ§ã«ããããã³ã°ããããšãã§ããããã«ãªããŸããã
;guardæã®å°å
¥: Swift 2.0ããå°å
¥ãããguardæã¯ãæ¡ä»¶ãæºããããªãå Žåã«ããã«æããããšãã§ããŸããããã¯ããšã©ãŒåŠçã®ããã«äŸ¿å©ã§ãã
__TOC__
=== å岿 ===
Swiftã¯ã[[#ifæ]]ã[[#guardæ]]ã[[#switchæ]] ã®ïŒçš®é¡ã®å岿( ''Branch Statements'' )ãæã¡ãŸãã
;æ§æ(EBNF):<syntaxhighlight lang=ebnf>
branch-statement = if-statement
| guard-statement
| switch-statement
</syntaxhighlight>
: å岿ã«é¢é£ããéšåãæç²<ref >[https://docs.swift.org/swift-book/ReferenceManual/SummaryOfTheGrammar.html#grammar_branch-statement Summary of the Grammar -- Branch Statements]</ref>
==== ifæ ====
Swiftã®<code>if</code>æã¯ãäžããããæ¡ä»¶ã«åŸã£ãŠåŠçãåãæ¿ããŸãã
;æ§æ(EBNF):<syntaxhighlight lang=ebnf>
if-statement = "if" condition-list code-block [ "else" ( if-statement | code-block ) ]
condition-list = condition [ "," condition-list ]
condition = expression | availability-condition | case-condition | optional-binding-condition
availability-condition = "#available" ( availability-arguments )
| "#unavailable" ( availability-arguments )
case-condition = "case" pattern initializer
optional-binding-condition = "let" pattern [ initializer ] | "var" pattern [ initializer ]
code-block = "{" [ statements ] "}"
</syntaxhighlight>
: ifæã«é¢é£ããéšåãæç²<ref>[https://docs.swift.org/swift-book/ReferenceManual/SummaryOfTheGrammar.html Summary of the Grammar]</ref>
;圢åŒ:<syntaxhighlight lang=swift>
if æ¡ä»¶åŒ1 {
æ1
} else if æ¡ä»¶åŒ2 {
æ2
} else {
æ3
}
</syntaxhighlight>
:elseç¯ã¯çç¥å¯èœã§ãã
:elseç¯ãçç¥ããªãã£ãå Žåãelse ã« ifæãããã¯åçŽãªã³ãŒããããã¯ãåŸç¶ããŸãã
;ã³ãŒãäŸ:<syntaxhighlight lang=swift>
let a = 3
if a < 5 {
print ("5æªæºã§ã")
} else {
print ("5以äžã§ã")
}
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
5æªæºã§ã
</syntaxhighlight>
{{See also|#æ¡ä»¶åŒã®æžãæ¹}}
==== æ¡ä»¶ã Optionalæçž 㪠if ====
Swiftã®ifæã§ã¯ãæ¡ä»¶åŒã«Boolåã®å€ãæž¡ããŸãããã ããOptionalåã䜿çšããŠæ¡ä»¶ãæå®ããããšãã§ããŸããOptionalåã¯ãå€ãååšããå Žåã¯éOptionalåãä¿æããå€ãååšããªãå Žåã¯nilãä¿æããŸãã
ifæã®æ¡ä»¶åŒã«Optionalåãæå®ããå Žåããã®Optionalåãå€ãæã£ãŠãããã©ãããå€å®ããããšãã§ããŸããOptionalåãnilãä¿æããŠããå Žåãæ¡ä»¶åŒã¯falseãšããŠæ±ãããŸããOptionalåãå€ãæã£ãŠããå Žåãæ¡ä»¶åŒã¯trueãšããŠæ±ãããŸãã
以äžã¯ãOptionalåã䜿çšããifæã®äŸã§ãã
;ã³ãŒãäŸ:<syntaxhighlight lang=swift>
let optionalValue: Int? = 5
if let value = optionalValue {
print("value is \(value)")
} else {
print("optionalValue is nil")
}
</syntaxhighlight>
äžèšã®äŸã§ã¯ãoptionalValueãOptionalåã§ãããå€ãæã£ãŠããå Žåã«ã¯ãvalueã«ãã®å€ãæçžããŸããOptionalåãnilãä¿æããŠããå Žåã«ã¯ãelseãããã¯ãå®è¡ãããŸãã
==== #availableãã£ã¬ã¯ãã£ããš#unavailableãã£ã¬ã¯ãã£ã ====
Swiftã«ãããŠã#availableãš#unavailableãã£ã¬ã¯ãã£ãã䜿çšããŠãç¹å®ã®ãã©ãããã©ãŒã ã®ããŒãžã§ã³ã§ã®ã¿å©çšå¯èœãªã³ãŒããèšè¿°ããããšãã§ããŸããããã«ãããå®è¡æã«ã¯ã©ãã·ã¥ããå¯èœæ§ã®ããã³ãŒããåé¿ã§ããŸãã
===== #availableãã£ã¬ã¯ãã£ã =====
#availableãã£ã¬ã¯ãã£ãã¯ãå®è¡ããã³ãŒããç¹å®ã®ãã©ãããã©ãŒã ã®ããŒãžã§ã³ã§å©çšå¯èœã§ããããšã確èªããããã«äœ¿çšãããŸãã
ããã¯ãiOSãmacOSãwatchOSãtvOSãªã©ã®ç¹å®ã®ããŒãžã§ã³ã«äŸåããAPIã®äœ¿çšããã§ãã¯ããã®ã«äŸ¿å©ã§ãã
以äžã¯ãiOS 15ã§æ°ãã远å ãããasync/awaitã䜿çšããå Žåã®äŸã§ãã
;ã³ãŒãäŸ:<syntaxhighlight lang=swift>
</syntaxhighlight>
if #available(iOS 15.0, *) {
// async/await code here
} else {
// handle older iOS versions here
}
===== #unavailableãã£ã¬ã¯ãã£ã =====
#unavailableãã£ã¬ã¯ãã£ãã¯ãå®è¡ããã³ãŒããç¹å®ã®ãã©ãããã©ãŒã ã®ããŒãžã§ã³ã§å©çšã§ããªãããšã確èªããããã«äœ¿çšãããŸãã
äŸãã°ãiOS 14ã§å»æ¢ãããAPIã䜿çšããå Žåã以äžã®ããã«æžãããšãã§ããŸãã
;ã³ãŒãäŸ:<syntaxhighlight lang=swift>
if #unavailable(iOS 14.0, *) {
// handle iOS 14 deprecated API here
} else {
// use current API here
}
</syntaxhighlight>
#availableããã³#unavailableãã£ã¬ã¯ãã£ãã¯ãifæãguardæãswitchæã®äžã§äœ¿çšã§ããŸãã
==== guardæ ====
Swiftã®<code>guard</code>æã¯ãæ¡ä»¶åŒã<code>false</code>ã®å Žåã«ã<code>else</code>ç¯ã§å®çŸ©ãããåŠçãå®è¡ããææ³ã§ãã<code>guard</code>æã¯äž»ã«ãäºåæ¡ä»¶ã確èªããŠãåææ¡ä»¶ãæºãããªãå Žåã¯ãšã©ãŒãæããããåŠçãäžæããå Žåã«äœ¿çšãããŸãã
<code>guard</code>æã®<code>else</code>ç¯ã§ã¯ã<code>return</code>æã<code>throw</code>æã䜿ã£ãŠãåŠçãäžæãããå¿
èŠããããŸããããã¯ã<code>else</code>ç¯å
ã§å®çŸ©ããã倿°ã宿°ãã<code>guard</code>æã®å€åŽã§ãæå¹ã«ãªã£ãŠããããã§ãã
ãŸãã<code>guard</code>æã䜿ãããšã§ã<code>if-let</code>æãªã©ããããã³ãŒãã®å¯èªæ§ãé«ãä¿ã¡ãªããããšã©ãŒåŠçããªãã·ã§ãã«ãã€ã³ãã£ã³ã°ãå®è¡ããããšãã§ããŸãã
;æ§æ(EBNF):<syntaxhighlight lang=ebnf>
guard-statement = "guard" condition-list "else" code-block
condition-list = condition [ "," condition-list ]
condition = expression | availability-condition | case-condition | optional-binding-condition
availability-condition = "#available" ( availability-arguments )
| "#unavailable" ( availability-arguments )
case-condition = "case" pattern initializer
optional-binding-condition = "let" pattern [ initializer ] | "var" pattern [ initializer ]
code-block = "{" [ statements ] "}"
</syntaxhighlight>
: ifæã«é¢é£ããéšåãæç²<ref>[https://docs.swift.org/swift-book/ReferenceManual/SummaryOfTheGrammar.html#grammar_guard-statement Summary of the Grammar -- guard-statement]</ref>
;圢åŒ:<syntaxhighlight lang=swift>
guard æ¡ä»¶åŒ else {
æ¡ä»¶ãæºãããªãã£ãå Žåã®åŠçã
ãã®ã³ãŒããããã¯ã§ã¯ã¹ã³ãŒããæããåŠçãå¿
é
}
</syntaxhighlight>
;äŸ:<syntaxhighlight lang=swift>
func intToUInt(_ n: Int) -> UInt {
guard n >= 0 else {
print("åŒæ°ã0æªæºã®ãããæ£ãã倿ã§ããŸããã§ããã")
return 0
}
return UInt(n)
}
for num in [1, 0, -3] {
print(intToUInt(num))
}
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
1
0
åŒæ°ã0æªæºã®ãããæ£ãã倿ã§ããŸããã§ããã
0
</syntaxhighlight>
: guardæã®æ¡ä»¶ã«ã¯Optional bind condã䜿ããæ¡ä»¶ãåœ(=nil)ã ãš else ã«ç¶ãã³ãŒããããã¯ãå®è¡ããïŒé¢æ°ãçµäºãïŒãŸãã
:: æ¡ä»¶ãç(nil以å€)ã ãšãguardæã§å®£èšãããèå¥åã¯ã¢ã³ã©ããããguardæãæããããšãåç
§ã§ããŸãã
==== switchæ ====
;æ§æ(EBNF):<syntaxhighlight lang=ebnf>
switch-statement = "switch" expression "{" [ switch-cases ] "}"
switch-cases = switch-case [ switch-cases ]
switch-case = case-label statements
| default-label statements
| conditional-switch-case
case-label = [ attributes ] "case" case-item-list ":"
case-item-list = pattern [ where-clause ] | pattern [ where-clause ] "," case-item-list
default-label = [ attributes ] "default" ":"
where-clause = "where" where-expression
where-expression = expression
conditional-switch-case = switch-if-directive-clause [ switch-elseif-directive-clauses ] [ switch-else-directive-clause ] endif-directive
switch-if-directive-clause = if-directive compilation-condition [ switch-cases ]
switch-elseif-directive-clauses = elseif-directive-clause [ switch-elseif-directive-clauses ]
switch-elseif-directive-clause = elseif-directive [ compilation-condition switch-cases ]
switch-else-directive-clause = else-directive [ switch-cases ]
if-directive = "#if"
elseif-directive = "#elseif"
else-directive = "#else"
endif-directive = "#endif"
</syntaxhighlight>
: switchæã«é¢é£ããéšåãæç²<ref>[https://docs.swift.org/swift-book/ReferenceManual/Statements.html#grammar_switch-statement Summary of the Grammar -- switch-statement]</ref>
;圢åŒ:<syntaxhighlight lang=swift>
switch å€ {
case ãã¿ãŒã³1:
println("case 1")
// æé»çã«breakããã
case ãã¿ãŒã³2, ãã¿ãŒã³3: //è€æ°æ¡ä»¶
print("case 2 or 3")
case ãã¿ãŒã³4 where æ¡ä»¶åŒ: // where æ¡ä»¶åŒã§ãã¿ãŒã³ã«å¶éãå ããäºãåºæ¥ã
print("case 4")
fallthrough // ãã©ãŒã«ã¹ã«ãŒ
default:
print("default")
}
</syntaxhighlight>
;[https://paiza.io/projects/xBsUFmzbG7O-Tq-Kv7dGKQ?language=swift è€æ°ã®fallthroughãå«ãSwitchæ]:<syntaxhighlight lang=swift line highlight="10,13">
let a = 3
switch a {
case 0:
print("0ã§ã")
case 1:
print("1ã§ã")
case 3:
print("3ã§ã")
fallthrough
case 2, 3:
print("2ãŸãã¯3ã§ã")
fallthrough
case 2 ... 10:
print("2 ... 10 ã«ãããããŸãã")
default:
print("ã©ãã§ããããŸãã")
}
</syntaxhighlight>
;è¡šç€ºçµæ:<syntaxhighlight lang=text>
2ãŸãã¯3ã§ã
3 ... 10 ã«ãããããŸãã
3ã§ã
</syntaxhighlight>
:Switch æã¯ãCase ç¯ã®ãã¿ãŒã³ã«äžèŽããå Žåã察å¿ããåŠçãå®è¡ããŸãã
::ãã®ãšããCèšèªãã¡ããªãŒã®Switchæãšç°ãªããåŠçãçµãããš Switchæãçµäºã以éã®Caseç¯ã¯è©äŸ¡ãããŸããã
: ãŸããããŒã¯ãŒã <code>fallthrough</code>ã¯ã匷å¶çã«æ¬¡ã®åŠçãç¶ç¶ããã ãã§ãå床ãå€ãè©äŸ¡ãããã®ã§ã¯ãããŸããã
:: ãã®æ§ã«ãã¿ãŒã³ãè¶
ããå¶åŸ¡ã®ç¶ç¶ããã©ãŒã«ã¹ã«ãŒãšåŒã³ãŸãã
:<syntaxhighlight lang=swift highlight=8>
let a = 1
switch a {
case 0:
print("0ã§ã")
case 1:
print("1ã§ã")
fallthrough // ãã©ãŒã«ã¹ã«ãŒ
case 1, 2, 3:
print("1 ãŸã㯠2ãŸãã¯3ã§ã")
default:
print("ã©ãã§ããããŸãã")
}
</syntaxhighlight>
;è¡šç€ºçµæ:<syntaxhighlight lang=text>
1ã§ã
1 ãŸã㯠2ãŸãã¯3ã§ã
</syntaxhighlight>
;[https://paiza.io/projects/UQMJxfq_rFacbtSGf92CMQ?language=swift ãã¿ãŒã³ã«ãã倿çž]:<syntaxhighlight lang=swift>
let value = (404, "Not Found", false)
switch value {
case (200...299, _, false), (300...499, _, true):
print("ïŒâ»æ³šæ ã¹ããŒã¿ã¹ã³ãŒããšæåŠã«äžæŽåããããŸããïŒ")
fallthrough
case (_, _, true):
print("æå")
case (404, _, false):
print("倱æ: ãã¡ã€ã«ãèŠã€ãããŸããã§ãã")
case (let status, let message, false):
print("倱æ: \(message) (\(status))")
default:
print("æªç¥ã®ã¹ããŒã¿ã¹")
}
</syntaxhighlight>
;è¡šç€ºçµæ:<syntaxhighlight lang=text>
倱æ: ãã¡ã€ã«ãèŠã€ãããŸããã§ãã
</syntaxhighlight>
;[https://paiza.io/projects/xDgYprirB2L2saOZH9xfpA?language=swift Enumã«å¯ŸããSwitchæ]:<syntaxhighlight lang=swift highlight="1,14" line>
enum RPS: CaseIterable {
case Rock
case Paper
case Scissors
}
let rps = RPS.Rock
switch rps {
case .Rock: print("ã°ãŒ")
case .Paper: print("ããŒ")
case .Scissors: print("ãã§ã")
}
print(rps)
print(RPS.allCases)
</syntaxhighlight>
;è¡šç€ºçµæ:<syntaxhighlight lang=text>
ã°ãŒ
Rock
[Main.RPS.Rock, Main.RPS.Paper, Main.RPS.Scissors]
</syntaxhighlight>
: Swift 4.2ãã㯠CaseIterable ãããã³ã«ã䜿ããŸãã
:: CaseIterable ã䜿ããšåŸæ¥ã®ããã«è¿œå ã®ã³ãŒããæžãããšãªãã.allCases ã§åæåã®å
šèŠçŽ ã®éåãåŸãããšãã§ããŸãã
:<code>case _:</code>ã¯ã<code>default :</code>ãšåãæå³ã«ãªããŸãã
;[https://paiza.io/projects/XTuKN09anhkzMEkl9N6NRg?language=swift ASSOC VAL ãã€ãããªãã§ã¡ãœããã远å ããæ¹æ³]:<syntaxhighlight lang=swift>
enum RPS : CaseIterable {
case Rock
case Paper
case Scissors
func string() -> String {
switch self {
case .Rock: return "ã°ãŒ"
case .Paper: return "ããŒ"
case .Scissors: return "ãã§ã"
}
}
}
RPS.allCases.forEach { rps in
print("\(rps) => \(rps.string())")
}
</syntaxhighlight>
;è¡šç€ºçµæ:<syntaxhighlight lang=text>
Rock => ã°ãŒ
Paper => ããŒ
Scissors => ãã§ã
</syntaxhighlight>
===== CaseIterable =====
<code>CaseIterable</code>ã¯ãSwiftã®ãããã³ã«ã§ãåæåãå®çŸ©ãããšãã«å®è£
ããããšãã§ããŸãããã®ãããã³ã«ãå®è£
ããããšã§ãåæåã®ã±ãŒã¹ãé
åãšããŠååŸã§ããããã«ãªããŸãã
äŸãã°ã以äžã®ãããª<code>Fruit</code>ãšããåæåããããšããŸãã
:<syntaxhighlight lang=swift>
enum Fruit {
case apple
case banana
case orange
}
</syntaxhighlight>
ãã®åæåã«<code>CaseIterable</code>ãããã³ã«ãå®è£
ããããšã§ã以äžã®ããã«å
šãŠã®ã±ãŒã¹ãé
åãšããŠååŸã§ããŸãã
:<syntaxhighlight lang=swift>
enum Fruit: CaseIterable {
case apple
case banana
case orange
}
let allFruits = Fruit.allCases
// [Fruit.apple, Fruit.banana, Fruit.orange]
</syntaxhighlight>
ãã®ããã«ã<code>CaseIterable</code>ã䜿ãããšã§ãç¶²çŸ
æ§ããã§ãã¯ããããšãã§ããŸããç¶²çŸ
æ§ãšã¯ããã¹ãŠã®å¯èœæ§ãã«ããŒããŠãããã©ããã衚ããŸããäŸãã°ã以äžã®ãããªé¢æ°ããã£ããšããŸãã
:<syntaxhighlight lang=swift>
func printFruit(_ fruit: Fruit) {
switch fruit {
case .apple:
print("Apple")
case .banana:
print("Banana")
}
}
</syntaxhighlight>
ãã®é¢æ°ã¯ã<code>Fruit</code>åæåã®ãã¹ãŠã®ã±ãŒã¹ãç¶²çŸ
ããŠããŸããããããã<code>Fruit</code>ã«<code>CaseIterable</code>ãããã³ã«ãå®è£
ããäžã§ã以äžã®ããã«ä¿®æ£ããããšã§ããã¹ãŠã®ã±ãŒã¹ãç¶²çŸ
ããããšãã§ããŸãã
:<syntaxhighlight lang=swift>
func printFruit(_ fruit: Fruit) {
switch fruit {
case .apple:
print("Apple")
case .banana:
print("Banana")
case .orange:
print("Orange")
}
}
</syntaxhighlight>
ãã®ããã«ã<code>CaseIterable</code>ã䜿ãããšã§ãåæåã®ãã¹ãŠã®ã±ãŒã¹ãé
åãšããŠååŸã§ããç¶²çŸ
æ§ããã§ãã¯ããããšãã§ããŸãã
==== ãã¿ãŒã³ ====
Swiftã®ããã¿ãŒã³ããšã¯ãå€ãåè§£ããŠç¹å®ã®éšåãåãåºãããã«äœ¿çšãããä»çµã¿ã§ãã
ãã¿ãŒã³ã䜿çšããããšã§ãSwiftã¯å€ãããæ£ç¢ºã«ç¹å®ããã³ãŒãã®å¯èªæ§ãåäžãããããšãã§ããŸãã
以äžã§ã¯ãäž»èŠãªãã¿ãŒã³ã«ã€ããŠè§£èª¬ããŸãã
===== ã¯ã€ã«ãã«ãŒããã¿ãŒã³ =====
ã¯ã€ã«ãã«ãŒããã¿ãŒã³ã¯ãã¢ã³ããŒã¹ã³ã¢ïŒ_ïŒã§è¡šãããŸãããã®ãã¿ãŒã³ã¯ãå€ãç¹å®ããã«ãåã«ãããããããå Žåã«äœ¿çšãããŸããããšãã°ã以äžã®ããã«äœ¿çšã§ããŸãã
:<syntaxhighlight lang=swift>
let x = 5
switch x {
case _:
print("ãããããŸãã")
}
</syntaxhighlight>
ãã®ã³ãŒãã§ã¯ãxãã©ã®å€ã§ããã¯ã€ã«ãã«ãŒããã¿ãŒã³ã«ãããããŠããŸãã
===== èå¥åãã¿ãŒã³ =====
èå¥åãã¿ãŒã³ã¯ãå€ãèå¥åãšããŠè§£æ±ºã§ããå Žåã«äœ¿çšãããŸããããšãã°ã倿°åã宿°åãèå¥åãã¿ãŒã³ã«ãªããŸãã
:<syntaxhighlight lang=swift>
let x = 5
switch x {
case let y:
print("yã¯\(y)ã§ã")
}
</syntaxhighlight>
ãã®ã³ãŒãã§ã¯ãèå¥åãã¿ãŒã³ãlet yã§ãããyããããããå€ããã€ã³ãããŸãã
===== åæåã±ãŒã¹ãã¿ãŒã³ =====
åæåã±ãŒã¹ãã¿ãŒã³ã¯ãåæåã®å€ãããããããããã«äœ¿çšãããŸããäŸãã°ã以äžã®ããã«äœ¿çšã§ããŸãã
:<syntaxhighlight lang=swift>
enum Color {
case red
case green
case blue
}
let color = Color.red
switch color {
case .red:
print("èµ€è²")
case .green:
print("ç·è²")
case .blue:
print("éè²")
}
</syntaxhighlight>
ãã®ã³ãŒãã§ã¯ãåæåã±ãŒã¹ãã¿ãŒã³ã.redã§ãããcolorãColor.redãšãããããããšã«ãªããŸãã
===== ãªãã·ã§ãã«ãã¿ãŒã³ =====
ãªãã·ã§ãã«ãã¿ãŒã³ã¯ããªãã·ã§ãã«åã®å€ãããããããããã«äœ¿çšãããŸããããšãã°ã以äžã®ããã«äœ¿çšã§ããŸãã
:<syntaxhighlight lang=swift>
let optionalValue: Int? = 5
switch optionalValue {
case .some(let x):
print("å€ã¯\(x)ã§ã")
case .none:
print("å€ã¯ãããŸãã")
}
</syntaxhighlight>
ãã®ã³ãŒãã§ã¯ããªãã·ã§ãã«ãã¿ãŒã³ã.some(let x)ã§ãããoptionalValueãå€ãæã€å Žåã¯ããã®å€ãxã«ãã€ã³ããããŸãã
===== åŒãã¿ãŒã³ =====
åŒãã¿ãŒã³ã¯ãåŒãšäžèŽãããã©ããããã¹ãããŸããäŸãã°ã倿°ã®å€ãç¹å®ã®ç¯å²å
ã«ãããã©ããããã¹ãããå Žåã«äœ¿çšã§ããŸãã以äžã¯ãåŒãã¿ãŒã³ã®äŸã§ãã
:<syntaxhighlight lang=swift>
let value = 5
switch value {
case 0:
print("value is zero")
case 1...5:
print("value is between 1 and 5")
default:
print("value is greater than 5")
}
</syntaxhighlight>
ãã®äŸã§ã¯ãvalueã®å€ã1ã5ã®ç¯å²ã«ããå Žåã¯2çªç®ã®ã±ãŒã¹ãå®è¡ãããŸããåŒãã¿ãŒã³ã¯ãç¯å²æŒç®åã䜿çšããããšãã§ãããããæ°å€ãæååãªã©ã®æ¯èŒã«ç¹ã«äŸ¿å©ã§ãã
===== ã¿ã€ããã£ã¹ãã£ã³ã°ãã¿ãŒã³ =====
ã¿ã€ããã£ã¹ãã£ã³ã°ãã¿ãŒã³ã¯ããªããžã§ã¯ãã®åãšäžèŽãããã©ããããã¹ãããŸããã¿ã€ããã£ã¹ãã£ã³ã°ãã¿ãŒã³ã¯ãisæŒç®åã䜿çšããŠãã¹ãããããšãã§ããŸãã以äžã¯ãã¿ã€ããã£ã¹ãã£ã³ã°ãã¿ãŒã³ã®äŸã§ãã
:<syntaxhighlight lang=swift>
class Animal { }
class Dog: Animal { }
class Cat: Animal { }
let animals: [Animal] = [Dog(), Cat(), Dog(), Cat()]
for animal in animals {
switch animal {
case is Dog:
print("It's a dog")
case is Cat:
print("It's a cat")
default:
print("It's something else")
}
}
</syntaxhighlight>
ãã®äŸã§ã¯ãanimalsé
åã®èŠçŽ ãDogåãCatåãããã¹ãããŠããŸããisæŒç®åã䜿çšããããšã§ãDogåãCatåãã©ãããç°¡åã«ãã¹ãããããšãã§ããŸãã
=== ç¹°è¿ãæ ===
Swiftã¯ã[[#for-inæ]]ã[[#whileæ]]ã[[#repeat-whileæ]]ã®ïŒçš®é¡ã®ç¹°è¿ãæ( ''Loop Statements'' )ãæã¡ãŸãã
;æ§æ(EBNF):<syntaxhighlight lang=ebnf>
loop-statement = for-in-statement
| while-statement
| repeat-while-statement
</syntaxhighlight>
: ç¹°è¿ãæã«é¢é£ããéšåãæç²<ref>[https://docs.swift.org/swift-book/ReferenceManual/SummaryOfTheGrammar.html#grammar_loop-statement Summary of the Grammar -- Loop Statements]</ref>
==== for-inæ ====
Swiftã® <code>for-in</code> æã¯ãã·ãŒã±ã³ã¹ãã³ã¬ã¯ã·ã§ã³ã®èŠçŽ ãå埩åŠçããããã«äœ¿çšãããŸãã
;æ§æ(EBNF):<syntaxhighlight lang=ebnf>
for-in-statement = "for" [ "case" ] pattern "in" expression [ where-clause ] code-block
</syntaxhighlight>
: for-inæã«é¢é£ããéšåãæç²<ref>[https://docs.swift.org/swift-book/ReferenceManual/SummaryOfTheGrammar.html#grammar_for-in-statement Summary of the Grammar -- For-In Statements]</ref>
;é
åã®èŠçŽ ãç¹°è¿ã:<syntaxhighlight lang=swift>
let names = ["倪é", "è±å", "äžé"]
for name in names {
print("\(name)ãããããã«ã¡ã¯ïŒ")
}
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
倪éãããããã«ã¡ã¯ïŒ
è±åãããããã«ã¡ã¯ïŒ
äžéãããããã«ã¡ã¯ïŒ
</syntaxhighlight>
;æŽæ°ã®ç¯å²ãç¹°è¿ã:<syntaxhighlight lang=swift>
for index in 0..<5 {
print("index: \(index)")
}
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
index: 0
index: 1
index: 2
index: 3
index: 4
</syntaxhighlight>
;stride颿°ã察象ã«:<syntaxhighlight lang=swift>
for year in stride(from: 1900, to:2000, by:4) {
print(year)
}
</syntaxhighlight>
;å®è¡çµæïŒæç²ïŒ:<syntaxhighlight lang=text>
1900
1904
// é·ãã®ã§äžç¥
1988
1992
1996
</syntaxhighlight>
;whereå¥ã«ããæ¡ä»¶æå®:<syntaxhighlight lang=swift>
for index in 0..<10 where index % 2 == 1 {
print(index)
}
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
1
3
5
7
9
</syntaxhighlight>
;ã©ãã«æå®ã«ããå€éã«ãŒãããã®break
:<syntaxhighlight lang=swift>
let array = [3, 1, 4, 1, 5, 9, 2, 6, 5, 3]
var index1: Int?
var index2: Int?
loop1: for i in 0..<array.count {
for j in (i + 1)..<array.count {
if array[i] == array[j] {
(index1, index2) = (i, j)
break loop1
}
}
}
print(index1)
print(index2)
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
Optional(0)
Optional(9)
</syntaxhighlight>
==== whileæ ====
Swiftã®<code>while</code>æã¯ãæå®ãããæ¡ä»¶ã<code>false</code>ã«ãªããŸã§ããããã¯å
ã®ã³ãŒããå®è¡ãç¶ããŸãã
<code>while</code>ã«ãŒãã¯ãæ¡ä»¶ã<code>true</code>ã«ãªããŸã§äžåºŠãå®è¡ãããªãå Žåããããããæåããæ¡ä»¶ã<code>false</code>ã§ããããšãããã£ãŠããå Žåã¯ã<code>repeat-while</code>æãäœ¿ãæ¹ãé©ããŠããŸãã
;æ§æ(EBNF):<syntaxhighlight lang=ebnf>
while-statement = "while" condition-list code-block
condition-list = condition | condition , condition-list
condition = expression | availability-condition | case-condition | optional-binding-condition
availability-condition | â#availableâ ( availability-arguments )
| "#unavailable" ( availability-arguments )
case-condition = "case" pattern initializer
optional-binding-condition = "let" pattern [ initializer ] | "var" pattern [ initializer ]
</syntaxhighlight>
: whileæã«é¢é£ããéšåãæç²<ref>[https://docs.swift.org/swift-book/ReferenceManual/SummaryOfTheGrammar.html#grammar_while-statement Summary of the Grammar -- While Statements]</ref>
;圢åŒ:<syntaxhighlight lang=swift>
while æ¡ä»¶åŒ {
æ
}
</syntaxhighlight>
;Optionalæçž:<syntaxhighlight lang=swift>
let array = [1, 2, 3, 4, 5]
var arrayIterator = array.makeIterator()
while let item = arrayIterator.next() {
print("\(item)")
}
</syntaxhighlight>
==== repeat-whileæ ====
Swiftã®<code>repeat-while</code>æã¯ãæå®ãããæ¡ä»¶ãtrueã®å Žåã«ç¹°ãè¿ãåŠçãå®è¡ããããã®å¶åŸ¡æ§æã§ãããã®æã¯ãæäœ1åã®å®è¡ãä¿èšŒããŸãã<code>while</code>ããŒã¯ãŒãã®åŸã«æ¡ä»¶ãç¶ããå®è¡ãç¶ãããããã©ããã倿ããŸãã
;æ§æ(EBNF):<syntaxhighlight lang=ebnf>
repeat-while-statement = "repeat" code-block "while" expression
</syntaxhighlight>
: whileæã«é¢é£ããéšåãæç²<ref>[https://docs.swift.org/swift-book/ReferenceManual/SummaryOfTheGrammar.html#grammar_repeat-while-statement Summary of the Grammar -- Repeat-While Statement]</ref>
;圢åŒ:<syntaxhighlight lang=swift>
repeat {
æ
} while æ¡ä»¶åŒ
</syntaxhighlight>
=== æ¡ä»¶åŒã®æžãæ¹ ===
æ¡ä»¶åŒã¯<code>Bool</code>åã<code>Bool</code>åã®åŒãã<code>BooleanType</code>ãããã³ã«ãå®è£
ããåã§ãªããã°ãªããŸããã
æ¡ä»¶åŒãæžããšãã«äœ¿ãè«çæŒç®åãæ¯èŒæŒç®åã®ä»æ§ã¯äžèšã®ãšããã
==== æ¯èŒæŒç®å ====
{|
|+ æ¯èŒæŒç®
|-
| valign="top" |
{| class="wikitable"
|-
! ææ³ !! æå³
|-
| <code><</code> || ããå°ãã
|-
| <code><=</code> || 以äž
|-
| <code>></code> || ãã倧ãã
|-
| <code>>=</code> || 以äž
|-
|}
|
| valign="top" |
{| class="wikitable"
|-
! ææ³ !! æå³
|-
| <code>==</code> || çãã
|-
| <code>!=</code> || çãããªã
|-
| <code>===</code> || åããªããžã§ã¯ããžã®åç
§
|-
| <code>!==</code> || å¥ã®ãªããžã§ã¯ããžã®åç
§
|-
|}
|
| valign="top" |
{| class="wikitable"
|-
! ææ³ !! æå³
|-
| <code>~=</code> || ãã¿ãŒã³ãããïŒå·ŠèŸºã®ç¯å²å
ã«å³èŸºãæãã°true)
|}
|}
:<syntaxhighlight lang=swift>
print(1...5 ~= 3) // true
</syntaxhighlight>
:<syntaxhighlight lang=swift>
var str = "mission control"
print(str.range(of: "control")! ~= str.index(of: "c")!) // true
</syntaxhighlight>
==== è«çæŒç®å ====
{| class="wikitable"
|+ è«çæŒç®å
|-
! ææ³ !! æå³
|-
| <code>&&</code> || è«çAND
|-
| <code>||</code> || è«çOR
|-
| <code>!</code> || è«çNOT
|}
==== Optionalæçž ====
æ¡ä»¶åŒã«ã¯ãoptional-binding-condition ãåãããšãã§ããŸãã
æ§æçã«ã¯ã倿°å®£èšïŒãããã¯å®æ°å®£èšïŒã«äŒŒãŠããŸãããnilãåãåŸãOptionalåã§ãã³ã³ãã£ã·ã§ã³ãªã¹ãã®æåŸã®åŒã®å€ãæ¡ä»¶åŒã®è©äŸ¡å¯Ÿè±¡ã«ãªããŸãã
:<syntaxhighlight lang=swift>
if let kiwiIndex = find(fruits, "kiwi") {
print("ããŠã€ã¯\(kiwiIndex!)çªç®ã«èŠã€ãããŸãã")
} else {
print("ããŠã€ã¯èŠã€ãããŸããã§ãã")
}
</syntaxhighlight>
=== deferæ ===
ã¹ã³ãŒããæããæã«ãèªåçã«å®è¡ãããåŠçã®ç»é²ã
:<syntaxhighlight lang=swift>
func f() {
print("a start")
defer {
print("a end")
}
print("b start")
defer {
print("b end")
}
}
f()
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
a start
b start
b end
a end
</syntaxhighlight>
: ãã®ããã«ãå®è¡ã¯ç»é²ãšã¯éé ã«ãªããŸãã
=== do-try-catchæ ===
<code>throws</code>ã<code>rethrows</code>ããŒã¯ãŒããæå®ãããã¡ãœããã¯ã<code>try</code>ã<code>try?</code>ã<code>try!</code>ã®ãããããæå®ããŠã³ãŒã«ããå¿
èŠããããŸãã
[[#throwsããŒã¯ãŒã]]ãåç
§ã®ããšã
:<syntaxhighlight lang=swift>
import Foundation
let decoder = JSONDecoder()
let data = "[\"some string\", \"another string\"]".data(using: .utf8)
do { // tryãdoç¯ã§å²ãããã¡ãœããå
ã§ããã°ã¡ãœããèªäœã«rethrowsããŒã¯ãŒããæå®ããå¿
èŠããã
let decoded = try decoder.decode([String].self, from: data!) // tryã®å Žåãthrowãããã察å¿ããcatchç¯ã«åŠçãç§»ã
print(decoded)
} catch let error {
print(error)
}
</syntaxhighlight>
:<syntaxhighlight lang=swift>
// åç¥
let decoded = try? decoder.decode([String].self, from: data!) // try?ã®å Žåãthrowããããçµæãnilã«ãªã
print(decoded)
</syntaxhighlight>
:<syntaxhighlight lang=swift>
// åç¥
let decoded = try! decoder.decode([String].self, from: data!) // try!ã®å Žåãthrowããããå®è¡æãšã©ãŒã«ãªã
print(decoded)
</syntaxhighlight>
== 颿°ãšã¯ããŒãžã£ ==
颿°ãšã¯ããŒãžã£ã¯ç¬¬äžçŽé¢æ°ã§ãããæ®éã®ãªããžã§ã¯ããšåãããã«å€æ°ã«å
¥ãããã颿°ã®åŒæ°ãæ»ãå€ãšããŠåãæž¡ãã§ããŸãã
=== 颿° ===
Swift ã®é¢æ°ã®æ§æã¯ãããããäžèšã®ããã«ãªããŸãã
:<syntaxhighlight lang=swift>
func 颿°å(åŒæ°å1: åå1, åŒæ°å2: åå2) -> æ»ãå€ã®å {
// ä»éããåŠçå
容ãªã©ããã°ããã«æžã
return æ»ãå€
}
</syntaxhighlight>
;äŸ:<syntaxhighlight lang=swift>
func calcBMI(weight: Double, height: Double) -> Double {
return weight / (height * height) * 10000
}
</syntaxhighlight>
==== å€éšåŒæ°å ====
äžè¿°ã®ãããªæ§æã§é¢æ°ãæžãå Žåã颿°ã®åŒã³åºãåŽã§ã¯ã颿°ã®åŒæ°ã«ã¯'''å€éšåŒæ°åïŒexternal parameter nameïŒ'''ãæå®ããªããã°ãªããŸãããäžèšã³ãŒãäŸã§ã¯5è¡ç®ã®weightãå€éšåŒæ°ã§ãã
察ããŠé¢æ°å
éšã®ã¿ã§äœ¿çšã§ããåŒæ°åã¯'''ããŒã«ã«åŒæ°åïŒlocal parameter namesïŒ'''ãšåŒã¶ãäžèšã³ãŒã1è¡ç®ã®weightãããŒã«ã«åŒæ°ã§ãã
:<syntaxhighlight lang=swift line>
func calcBMI(weight w: Double, height h: Double) -> Double {
return w / (h * h) * 10000
}
var a = calcBMI(weight: 60, height: 160) // 23.4375
print(a)
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang="text>
23.4375
</syntaxhighlight>
颿°ã®åŒã³åºãåŽã«ãŠå€éšåŒæ°åãçç¥ãããããã«ã¯ãå®£èšæã®å€éšåŒæ°åã« _ ïŒã¢ã³ããŒã¹ã³ã¢ïŒãèšè¿°ããŸããåã«èšè¿°ããªãã£ãå Žåãå€éšåŒæ°åãšããŒã«ã«åŒæ°åã«åãå€ãæå®ãããã®ãšã¿ãªãããŸãã
:<syntaxhighlight lang=swift>
func add(first:Int, second:Int) -> Int {
return first + second
}
print(add(first: 2, second: 3))
// print(add(2, 3)) // ææ³ãšã©ãŒ
</syntaxhighlight>
:<syntaxhighlight lang=swift>
func add(_ first:Int, _ second:Int) -> Int {
return first + second
}
// print(add(first: 2, second: 3)) // ææ³ãšã©ãŒ
print(add(2, 3))
</syntaxhighlight>
==== å¯å€é·åŒæ° ====
:<syntaxhighlight lang=swift>
func maxInt(first: Int, rest: Int...) -> Int {
var max = first
for num in rest {
if max < num {
max = num
}
}
return max
}
maxInt(first:7, rest:3, 5, 9, 2) // 9
maxInt(first:6) // 6
</syntaxhighlight>
==== ããã©ã«ãåŒæ° ====
:<syntaxhighlight lang=swift>
func sayHello(name: String = "world") {
print("Hello, \(name)!")
}
sayHello() // Hello, world!
sayHello(name: "Swift") // Hello, Swift!
</syntaxhighlight>
==== in-outåŒæ° ====
:<syntaxhighlight lang=swift>
func swapInts(a: inout Int, b: inout Int) {
let tmp = a
a = b
b = tmp
}
var x = 42, y = 99
swapInts(&x, &y)
print("x = \(x), y = \(y)") // x = 99, y = 42
</syntaxhighlight>
==== throwsããŒã¯ãŒã ====
{{See also|#do-try-catchæ§æ}}
;[https://paiza.io/projects/wqIg7J1d8JKPzQM2TqvwhA?language=swift do/try/throw/catch ã䜿ã£ããšã©ãŒãã³ããªã³ã°]:<syntaxhighlight lang=swift>
enum FactorialError: Error {
case NegativeError
case ArithmeticOverflowError
}
// éä¹ãæ±ãã颿°
// ãšã©ãŒãthrowããå¯èœæ§ããã®ã§throws ãå¿
èŠ
func factorial(of n:Int) throws -> Int {
// nãè² ã®æ°ã®å ŽåäŸå€ãæãã
guard n >= 0 else {
throw FactorialError.NegativeError
}
var result = 1
if n == 0 {
return result
}
// æ£ãããªãŒããŒãããŒãææããããéååž°ç
for i in 1...n {
// ç®è¡ãªãŒããŒãããŒçºçæã«äŸå€ãæãã
if result > Int.max / i {
throw FactorialError.ArithmeticOverflowError
}
result *= i
}
return result
}
for i in -10...30 {
do {
let fact = try factorial(of: i)
print("\(i)! = \(fact)")
} catch FactorialError.NegativeError {
print("Error: \(i) < 0")
} catch FactorialError.ArithmeticOverflowError {
print("Error: \(i)! is too big")
}
}
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
Error: -10 < 0
Error: -9 < 0
Error: -8 < 0
Error: -7 < 0
Error: -6 < 0
Error: -5 < 0
Error: -4 < 0
Error: -3 < 0
Error: -2 < 0
Error: -1 < 0
0! = 1
1! = 1
2! = 2
3! = 6
4! = 24
5! = 120
6! = 720
7! = 5040
8! = 40320
9! = 362880
10! = 3628800
11! = 39916800
12! = 479001600
13! = 6227020800
14! = 87178291200
15! = 1307674368000
16! = 20922789888000
17! = 355687428096000
18! = 6402373705728000
19! = 121645100408832000
20! = 2432902008176640000
Error: 21! is too big
Error: 22! is too big
Error: 23! is too big
Error: 24! is too big
Error: 25! is too big
Error: 26! is too big
Error: 27! is too big
Error: 28! is too big
Error: 29! is too big
Error: 30! is too big
</syntaxhighlight>
==== æ¡åŒµã¡ãœãã ====
Swiftã«ã¯ãæ¢åã®åã«æ°ããæ©èœã远å ããExtensionæ©èœããããŸãã
:<syntaxhighlight lang=swift>
extension Int {
func multiply(by number: Int) -> Int {
return self * number
}
}
let value = 5
let result = value.multiply(by: 3) // çµæã¯15
print(result)
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
15
</syntaxhighlight>
#<code>Int</code> åã«å¯ŸããŠæ°ããæ©èœã远å ããŠããŸãã<code>multiply</code> ãšããååã®ã¡ãœãããå®çŸ©ãããŠãããåŒæ°ãšããŠå¥ã®æŽæ° <code>number</code> ãåãåããèªèº«ã®å€ïŒ<code>self</code>ïŒãšãã®åŒæ°ã®æ°å€ãæãåãããŠèšç®ããçµæãè¿ãæ©èœã远å ããŠããŸãã
# <code>value</code> ãšãã倿°ã«æŽæ°å€ <code>5</code> ã代å
¥ãããã®åŸã<code>value</code> ã«å¯Ÿã㊠<code>multiply(by: 3)</code> ãšããæ¡åŒµã¡ãœãããåŒã³åºããŠããŸããããã«ããã<code>5</code> ãš <code>3</code> ãæãåãããçµæã§ãã <code>15</code> ã <code>result</code> ã«ä»£å
¥ãããŸãã
# æåŸã«ã<code>result</code> ã®å€ã§ãã <code>15</code> ãã³ã³ãœãŒã«ã«åºåããŠããŸãã
ãã®ããã«ãSwiftã®Extensionæ©èœã䜿çšãããšãæ¢åã®åã«æ°ããã¡ãœããã远å ããããšãã§ããŸãã
ããã«ãããæšæºã©ã€ãã©ãªã®åã«ã«ã¹ã¿ã æ©èœã远å ããããã³ãŒãã®åå©çšæ§ãé«ãããããããšãã§ããŸãã
=== ã¯ããŒãžã£ ===
Swiftã§ã¯äžæ¬åŒ§<code>{}</code>ã§å²ãŸããã³ãŒããããã¯ã¯äºå®äžå
šãŠ'''ã¯ããŒãžã£'''ãšãªããŸãã
ãã®ãšããåŒæ°ã»æ»ãå€ãšãæ¬äœã®åŠçã®éã«ã<code>in</code>ããæžãããšã§ããã®2ã€ã®éšåãåºå¥ããŸãã
:<syntaxhighlight lang=swift>
[1, 2, 3].map({
(number: Int) -> Int in
let result = 3 * number
return result
})
</syntaxhighlight>
ã¯ããŒãžã£ã®åãæšè«å¯èœãªå Žåçã§ã¯ãåçš®çç¥èšæ³ã䜿çšã§ããŸãã
:<syntaxhighlight lang=swift>
[1, 2, 3].map({
number -> Int in
let result = 3 * number
return result
})
</syntaxhighlight>
:<syntaxhighlight lang=swift>
[1, 2, 3].map({ number in 3 * number })
</syntaxhighlight>
颿°ã®æåŸã®åŒæ°ãã¯ããŒãžã£ã§ããå Žåããããæ¬åŒ§ã®å€ã«åºãããšãã§ããŸãããŸãããããå¯äžã®åŒæ°ã§ããå Žåã¯æ¬åŒ§ãã®ãã®ãçç¥ã§ããŸãã
:<syntaxhighlight lang=swift>
[1, 2, 3].map(){ 3 * $0 }
</syntaxhighlight>
:<syntaxhighlight lang=swift>
[1, 2, 3].map{ 3 * $0 }
</syntaxhighlight>
==== ãã£ããã£ãªã¹ã ====
ã¯ããŒãžã£ã§ãã£ããã£ãã倿°ã®å®£èšã<code>weak</code>ã<code>unowned</code>ãæå®ãããšãä¿æãããªãåç
§ã«ãªããŸãã
:<syntaxhighlight lang=swift>
import Foundation
var closure1 : () -> ()
var closure2 : () -> ()
var closure3 : () -> ()
do {
var str = "hello" as NSString
closure1 = {
print("str : \(str)")
}
closure2 = { [str] in
print("str : \(str)")
}
closure3 = { [weak str] in
print("str : \(str)")
}
str = "goodbye"
}
closure1()
closure2()
closure3()
/* å®è¡çµæïŒ
str : goodbye
str : hello
str : Optional(hello)
*/
// è£è¶³ïŒ closure2ã«é¢ããåŠçãåé€ãããšãclosure3ã®åºåçµæã¯nilã«ãªããŸãïŒstrãä¿æããåç
§ã1ã€ããªããªãããïŒ
</syntaxhighlight>
== æŒç®å ==
=== æŒç®åãªãŒããŒããŒã ===
Swiftã§ã¯ä»»æã®åã«å¯ŸããŠãæ¢åã®æŒç®åããªãŒããŒããŒãããŠç¬èªã®æ¯ãèããå®çŸ©ããããšãã§ããŸãã<br />
ãªã <code>=</code> <code>-></code> <code>.</code> <code>//</code> <code>/*</code> <code>*/</code> ã¯äºçŽãããŠãããªãŒããŒããŒããããã«ã¹ã¿ã æŒç®å(åŸè¿°)ãšããŠå®çŸ©ããããšã¯ã§ããŸããã
;[https://paiza.io/projects/TboRBTLPkh3wYUwuZj_mMQ?language=swift æŒç®åãªãŒããŒããŒã]:<syntaxhighlight lang=swift>
struct Vector2D {
var x = 0.0
var y = 0.0
}
func + (lhs: Vector2D, rhs: Vector2D) -> Vector2D {
return Vector2D(x: lhs.x + rhs.x, y: lhs.y + rhs.y)
}
prefix func - (rhs: Vector2D) -> Vector2D {
return Vector2D(x: -rhs.x, y: -rhs.y)
}
func += (lhs: inout Vector2D, rhs: Vector2D) {
lhs = lhs + rhs
}
prefix func ++ (rhs: inout Vector2D) -> Vector2D {
rhs += Vector2D(x: 1.0, y: 1.0)
return rhs
}
let vec1 = Vector2D(x: 2.0, y: 3.0)
let vec2 = Vector2D(x: 5.0, y: 1.0)
print("let vec1 = Vector2D(x: 2.0, y: 3.0)")
print("let vec2 = Vector2D(x: 5.0, y: 1.0)")
print("vec1 â \(vec1)")
print("vec2 â \(vec2)")
print("vec1 + vec2 â \(vec1 + vec2)")
var vec3 = -vec1
print("var vec3 = -vec1")
print("vec3 â \(vec3)")
vec3 += vec2
print("vec3 += vec2")
print("vec3 â \(vec3)")
print("++vec3 â \(++vec3)")
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
let vec1 = Vector2D(x: 2.0, y: 3.0)
let vec2 = Vector2D(x: 5.0, y: 1.0)
vec1 â Vector2D(x: 2.0, y: 3.0)
vec2 â Vector2D(x: 5.0, y: 1.0)
vec1 + vec2 â Vector2D(x: 7.0, y: 4.0)
var vec3 = -vec1
vec3 â Vector2D(x: -2.0, y: -3.0)
vec3 += vec2
vec3 â Vector2D(x: 3.0, y: -2.0)
++vec3 â Vector2D(x: 4.0, y: -1.0)
</syntaxhighlight>
=== ã«ã¹ã¿ã æŒç®å ===
Swiftæšæºã®å®çŸ©æžã¿æŒç®åïŒ<code>+</code>ã<code>*</code>ã<code>%</code>ãªã©ïŒã®ä»ã«ãå
šãæ°ããæŒç®åãå®çŸ©ããããšãã§ããŸããæ°ããå®çŸ©ããã«ã¹ã¿ã æŒç®åã¯ãæšæºã®æŒç®åãšåãããã«æŒç®åãªãŒããŒããŒããå®è£
ã§ããŸãã
;[https://paiza.io/projects/guzo7pec7H8sV9h2PZTulQ?language=swift åªä¹æŒç®åã®å®çŸ©]:<syntaxhighlight lang=swift line>
import Foundation
precedencegroup Exponentiative {
associativity: right
higherThan: MultiplicationPrecedence
}
infix operator **: Exponentiative
func ** (lhs: Double, rhs: Double) -> Double {
return pow(lhs, rhs)
}
print(2 ** 3)
print(0.5 * 2 ** 3 ** 2)
print(0.5 * (2 ** (3 ** 2)))
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text>
8.0
256.0
256.0
</syntaxhighlight>
# pow() ã䜿ãããã«
# ã
# precedencegroup ã¯æŒç®åã®ç¹æ§ãå®çŸ©ããŸã
# associativity ã¯çµåæ¹å
#: åªä¹æŒç®åã®çµåæ¹åæ°åŠã§ãããã°ã©ãã³ã°ã§ãæµæŽŸãå¥ããŸãããä»åã¯å³ã§
# æŒç®åã®åªå
é äœã¯ä¹é€ç®ããäžã«ããŸããã
# ã
# åªä¹ã¯äžçœ®ãªã®ã§ infix ã§ããæŒç®åã®ããŒã¯ã³ <code>**</code> ãšç¹æ§ Exponentiative ã䜵ããŠæå®ããŠããŸãã
#: ã»ãã«ãå眮:prefix åŸçœ®:postfix ããããŸã
# ã
# 颿°ã®å®è£
ã§ããããŒã¯ã³ã颿°åã«ãªããŸãã
== èèš» ==
<references />
{{Nav}} | 2021-07-28T03:37:54Z | 2024-01-30T12:29:26Z | [
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:See also"
]
| https://ja.wikibooks.org/wiki/Swift/%E6%96%87%E6%B3%95 |
32,083 | Minecraft/ããã㯠| ãã€ã³ã¯ã©ããã®äžçã¯ãç³ãåãç ãæšãªã©ã»ãŒå
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¥æãããããã¯ã¯ãå·¥äœå°ã䜿ã£ãŠæ°ããã¢ã€ãã ããããã¯ãäœãããšãã§ããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ãã€ã³ã¯ã©ããã®äžçã¯ãç³ãåãç ãæšãªã©ã»ãŒå
šãŠãèšçœ®ãããç Žå£ãããããããšãã§ãããããã¯ã§æ§æãããŠããŸãããã€ã³ã¯ã©ããã®äžçãæ§æããŠãããããã¯ã¯ããªãŒããŒã¯ãŒã«ãããã¶ãŒããžã»ãšã³ãã§ããããç°ãªã£ãŠãããããããã®äžçã§ç°ãªããããã¯ãå
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¥æãããããã¯ã¯ãå·¥äœå°ã䜿ã£ãŠæ°ããã¢ã€ãã ããããã¯ãäœãããšãã§ããŸãã",
"title": ""
}
]
| ãã€ã³ã¯ã©ããã®äžçã¯ãç³ãåãç ãæšãªã©ã»ãŒå
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¥æãããããã¯ã¯ãå·¥äœå°ã䜿ã£ãŠæ°ããã¢ã€ãã ããããã¯ãäœãããšãã§ããŸãã | {{stub}}
ãã€ã³ã¯ã©ããã®äžçã¯ãç³ãåãç ãæšãªã©ã»ãŒå
šãŠãèšçœ®ãããç Žå£ãããããããšãã§ãããããã¯ã§æ§æãããŠããŸãããã€ã³ã¯ã©ããã®äžçãæ§æããŠãããããã¯ã¯ã[[Minecraft/ãªãŒããŒã¯ãŒã«ã|ãªãŒããŒã¯ãŒã«ã]]ã[[Minecraft/ãã¶ãŒ|ãã¶ãŒ]]ã[[Minecraft/ãžã»ãšã³ã|ãžã»ãšã³ã]]ã§ããããç°ãªã£ãŠãããããããã®äžçã§ç°ãªããããã¯ãå
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¥æãããããã¯ã¯ãå·¥äœå°ã䜿ã£ãŠæ°ããã¢ã€ãã ããããã¯ãäœãããšãã§ããŸãã[[Category:Minecraft]]
==ãããã¯ã®çš®é¡==
===ç³===
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===ãªãŒã¯ã®åæš===
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===ãœãŠã«ãµã³ã=== | null | 2021-07-28T09:22:59Z | [
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/Minecraft/%E3%83%96%E3%83%AD%E3%83%83%E3%82%AF |
32,103 | Minecraft/ãã€ãªãŒã | ãã€ã³ã¯ã©ããã®äžçã§ã¯ã倿°ã®ãã€ãªãŒã ã«ãã£ãŠæ§æãããŠããŸãã以äžã¯ããªãŒããŒã¯ãŒã«ãããã¶ãŒããžã»ãšã³ãã«ããããçæãããããã€ãªãŒã ã®äžèЧã§ãã
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ççŽ
ã®æ£®(climzon_forest) | [
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"tag": "p",
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"title": ""
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"paragraph_id": 1,
"tag": "p",
"text": "Javaç1.13ããã¯ãæµ·ã«æ°ãããã€ãªãŒã ã远å ãããŸããããŸããäžéšã®ãã€ãªãŒã ã®ååã倿ŽãããŸããã",
"title": ""
},
{
"paragraph_id": 2,
"tag": "p",
"text": "Javaç1.16ããã¯ããã¶ãŒã«ãã€ãªãŒã ã®çš®é¡ãå¢å ããŸããã",
"title": ""
},
{
"paragraph_id": 3,
"tag": "p",
"text": "Javaç1.18ããã¯ãæŽçªã«æ°ãããã€ãªãŒã ã®çš®é¡ãã远å ãããäºå®ã§ãã",
"title": ""
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ID:1",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 5,
"tag": "p",
"text": "æšãå°ãªããèãããããçãããã€ãªãŒã ã§ãããŠããåºçŸããããšããããŸããæãçæãããããšãããããã€ãªãŒã ã®äžã€ã§ãã",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 6,
"tag": "p",
"text": "Javaç1.15ãããããããã®å·£ãçæãããããšããããŸãã",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 7,
"tag": "p",
"text": "ID:129",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 8,
"tag": "p",
"text": "ããã¯ãªãããããçãããå¹³åãã€ãªãŒã ã§ãã",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 9,
"tag": "p",
"text": "ID:2",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 10,
"tag": "p",
"text": "ç ã«èŠãããæã
ã«ãµããã³ãçããŠãããã€ãªãŒã ã§ããåç©ã¯ãŠãµã®ããåºçŸããããã®ãã€ãªãŒã ã§ã¯ãéšãéããŸãããæãçæãããããšãããã»ããç æŒ ã®å¯ºé¢ããçæãããããšããããŸãã",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 11,
"tag": "p",
"text": "ã¢ã³ã¹ã¿ãŒã§ããããã¹ã¯ãåºçŸããŸãã",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 12,
"tag": "p",
"text": "ID:17",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 13,
"tag": "p",
"text": "ç æŒ ãã€ãªãŒã ã®äžéµå°ã§ãã",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 14,
"tag": "p",
"text": "ID:4",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 15,
"tag": "p",
"text": "ãªãŒã¯ã®æšãããããçããŠããŠãå°ãã ãã·ã©ã«ãã®æšãçããŠãããã€ãªãŒã ã§ãããã®ãã€ãªãŒã ã§ã¯ããªãªã«ããåºçŸããŸãã",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 16,
"tag": "p",
"text": "Javaç1.15ãããããããã®å·£ãçæãããããšããããŸãã",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 17,
"tag": "p",
"text": "ID:18",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 18,
"tag": "p",
"text": "森æãã€ãªãŒã ã®äžéµå°ã§ãã",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 19,
"tag": "p",
"text": "æ§åç§°ã¯(Forest Hills)ã§ãã",
"title": "ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã "
},
{
"paragraph_id": 20,
"tag": "p",
"text": "ççŽ
ã®æ£®(climzon_forest)",
"title": "ãã¶ãŒã®ãã€ãªãŒã "
}
]
| ãã€ã³ã¯ã©ããã®äžçã§ã¯ã倿°ã®ãã€ãªãŒã ã«ãã£ãŠæ§æãããŠããŸãã以äžã¯ããªãŒããŒã¯ãŒã«ãããã¶ãŒããžã»ãšã³ãã«ããããçæãããããã€ãªãŒã ã®äžèЧã§ãã Javaç1.13ããã¯ãæµ·ã«æ°ãããã€ãªãŒã ã远å ãããŸããããŸããäžéšã®ãã€ãªãŒã ã®ååã倿ŽãããŸããã Javaç1.16ããã¯ããã¶ãŒã«ãã€ãªãŒã ã®çš®é¡ãå¢å ããŸããã Javaç1.18ããã¯ãæŽçªã«æ°ãããã€ãªãŒã ã®çš®é¡ãã远å ãããäºå®ã§ãã | {{stub}}
ãã€ã³ã¯ã©ããã®äžçã§ã¯ã倿°ã®ãã€ãªãŒã ã«ãã£ãŠæ§æãããŠããŸãã以äžã¯ã[[Minecraft/ãªãŒããŒã¯ãŒã«ã|ãªãŒããŒã¯ãŒã«ã]]ã[[Minecraft/ãã¶ãŒ|ãã¶ãŒ]]ã[[Minecraft/ãžã»ãšã³ã|ãžã»ãšã³ã]]ã«ããããçæãããããã€ãªãŒã ã®äžèЧã§ãã[[Category:Minecraft]]
Javaç1.13ããã¯ãæµ·ã«æ°ãããã€ãªãŒã ã远å ãããŸããããŸããäžéšã®ãã€ãªãŒã ã®ååã倿ŽãããŸããã
Javaç1.16ããã¯ã[[Minecraft/ãã¶ãŒ|ãã¶ãŒ]]ã«ãã€ãªãŒã ã®çš®é¡ãå¢å ããŸããã
Javaç1.18ããã¯ãæŽçªã«æ°ãããã€ãªãŒã ã®çš®é¡ãã远å ãããäºå®ã§ãã
==ãªãŒããŒã¯ãŒã«ãã®ãã€ãªãŒã ==
===å¹³å(minecraft:plains)===
ID:1
æšãå°ãªããèãããããçãããã€ãªãŒã ã§ãã[[Minecraft/ãŠã|ãŠã]]ãåºçŸããããšããããŸãã[[Minecraft/æ|æ]]ãçæãããããšãããããã€ãªãŒã ã®äžã€ã§ãã
Javaç1.15ãããããããã®å·£ãçæãããããšããããŸãã
===ããã¯ãªå¹³å(minecraft:sunflower_plains)===
ID:129
ããã¯ãªãããããçãããå¹³åãã€ãªãŒã ã§ãã
===ç æŒ (minecraft:desert)===
ID:2
ç ã«èŠãããæã
ã«ãµããã³ãçããŠãããã€ãªãŒã ã§ããåç©ã¯ãŠãµã®ããåºçŸããããã®ãã€ãªãŒã ã§ã¯ãéšãéããŸãããæãçæãããããšãããã»ãã[[Minecraft/ç æŒ ã®å¯ºé¢|ç æŒ ã®å¯ºé¢]]ããçæãããããšããããŸãã
ã¢ã³ã¹ã¿ãŒã§ããããã¹ã¯ãåºçŸããŸãã
===ç æŒ ã®äžéµ(minecraft:desert_hills)===
ID:17
ç æŒ ãã€ãªãŒã ã®äžéµå°ã§ãã
===森æ(minecraft:forest)===
ID:4
ãªãŒã¯ã®æšãããããçããŠããŠãå°ãã ãã·ã©ã«ãã®æšãçããŠãããã€ãªãŒã ã§ãããã®ãã€ãªãŒã ã§ã¯ããªãªã«ããåºçŸããŸãã
Javaç1.15ãããããããã®å·£ãçæãããããšããããŸãã
===森æã®äžéµ(minecraft:wooded_hills)===
ID:18
森æãã€ãªãŒã ã®äžéµå°ã§ãã
æ§åç§°ã¯(Forest Hills)ã§ãã
==ãã¶ãŒã®ãã€ãªãŒã ==
ççŽ
ã®æ£®(climzon_forest)
==ãžã»ãšã³ãã®ãã€ãªãŒã == | null | 2022-11-15T04:58:16Z | [
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/Minecraft/%E3%83%90%E3%82%A4%E3%82%AA%E3%83%BC%E3%83%A0 |
32,111 | Minecraft/ç æŒ ã®å¯ºé¢ | ç æŒ ã®å¯ºé¢ã¯ããªãŒããŒã¯ãŒã«ãã§çæãããæ§é ç©ã§ãã
ç æŒ ã®å¯ºé¢ã¯ãç æŒ ãã€ãªãŒã ã«çæãããŸããå€èŠãããã©ããããšãåŒã°ããŸããçæãããé«ããY座æš64ãšãªããããæ§é ç©ã®äžéšãåãŸã£ãŠçæãããããšããããŸããç æŒ ã®å¯ºé¢ã«ã¯ãéè²ã®ãã©ã³ãã¿ã®äžã«é ãéšå±ããããã¢ã€ãã ã®å
¥ã£ããã§ã¹ãããããŸãããŸããé ãéšå±ã«ã¯æå§æ¿ãèžããšççºãããTNTã®ä»æãããããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ç æŒ ã®å¯ºé¢ã¯ããªãŒããŒã¯ãŒã«ãã§çæãããæ§é ç©ã§ãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ç æŒ ã®å¯ºé¢ã¯ãç æŒ ãã€ãªãŒã ã«çæãããŸããå€èŠãããã©ããããšãåŒã°ããŸããçæãããé«ããY座æš64ãšãªããããæ§é ç©ã®äžéšãåãŸã£ãŠçæãããããšããããŸããç æŒ ã®å¯ºé¢ã«ã¯ãéè²ã®ãã©ã³ãã¿ã®äžã«é ãéšå±ããããã¢ã€ãã ã®å
¥ã£ããã§ã¹ãããããŸãããŸããé ãéšå±ã«ã¯æå§æ¿ãèžããšççºãããTNTã®ä»æãããããŸãã",
"title": "ãã®æ§é ç©ã«ã€ããŠ"
}
]
| ç æŒ ã®å¯ºé¢ã¯ããªãŒããŒã¯ãŒã«ãã§çæãããæ§é ç©ã§ãã | ç æŒ ã®å¯ºé¢ã¯ããªãŒããŒã¯ãŒã«ãã§çæãããæ§é ç©ã§ãã[[Category:Minecraft]]
==ãã®æ§é ç©ã«ã€ããŠ==
ç æŒ ã®å¯ºé¢ã¯ã[[Minecraft/ãã€ãªãŒã |ç æŒ ãã€ãªãŒã ]]ã«çæãããŸããå€èŠãããã©ããããšãåŒã°ããŸããçæãããé«ããY座æš64ãšãªããããæ§é ç©ã®äžéšãåãŸã£ãŠçæãããããšããããŸããç æŒ ã®å¯ºé¢ã«ã¯ãéè²ã®ãã©ã³ãã¿ã®äžã«é ãéšå±ããããã¢ã€ãã ã®å
¥ã£ããã§ã¹ãããããŸãããŸããé ãéšå±ã«ã¯æå§æ¿ãèžããšççºãããTNTã®ä»æãããããŸãã | null | 2021-07-29T15:57:25Z | []
| https://ja.wikibooks.org/wiki/Minecraft/%E7%A0%82%E6%BC%A0%E3%81%AE%E5%AF%BA%E9%99%A2 |
32,116 | Swift/éåæåŠç | Swift 5.7以é(Task.sleep䜿çšå¯èœ)
Swift 5.5.x~5.6.x
Swift 5.4.x以å(ã³ãŒã«ããã¯é¢æ°äœ¿çš) | [
{
"paragraph_id": 0,
"tag": "p",
"text": "Swift 5.7以é(Task.sleep䜿çšå¯èœ)",
"title": "async/await (Swift 5.5以é)"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "Swift 5.5.x~5.6.x",
"title": "async/await (Swift 5.5以é)"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "Swift 5.4.x以å(ã³ãŒã«ããã¯é¢æ°äœ¿çš)",
"title": "async/await (Swift 5.5以é)"
}
]
| null | {{Nav}}
== éåæåŠç ==
=== DispatchQueue ===
<syntaxhighlight lang="swift">
import Dispatch
let NMAX = 100
DispatchQueue.global(priority: .low).async {
var n = 1.0
var e = 1.0
for i in 1...NMAX {
n *= Double(i)
e += 1.0 / n
print("e(\(i)) = \(e)")
}
}
DispatchQueue.global(priority: .low).async {
var pm = -1.0
var pi = 0.0
for i in 0...NMAX {
pm *= -1
pi += pm * 4 / (2 * Double(i) + 1)
print("pi(\(i)) = \(pi)")
}
}
</syntaxhighlight>
==== é
å»¶å®è¡ ====
<syntaxhighlight lang="swift">
import Dispatch
let semaphore = DispatchSemaphore(value: 0)
DispatchQueue.global(priority: .low).async { // ããã«å®è¡
print("executed now")
semaphore.signal()
}
semaphore.wait()
DispatchQueue.global(priority: .low).asyncAfter(deadline: .now() + 1) { // 1ç§åŸã«å®è¡
print("executed 1 second later")
semaphore.signal()
}
semaphore.wait()
</syntaxhighlight>
=== DispatchGroup ===
<syntaxhighlight lang="swift">
import Dispatch
let NMAX = 10000
let group = DispatchGroup()
let queue1 = DispatchQueue.global(priority: .low)
queue1.async(group: group) {
var n = 1.0
var e = 1.0
for i in 1...NMAX {
n *= Double(i)
e += 1.0 / n
print("e(\(i)) = \(e)")
}
}
let queue2 = DispatchQueue.global(priority: .low)
queue2.async(group: group) {
var pm = -1.0
var pi = 0.0
for i in 0...NMAX {
pm *= -1
pi += pm * 4 / (2 * Double(i) + 1)
print("pi(\(i)) = \(pi)")
}
}
group.wait()
print("queue finished")
</syntaxhighlight>
=== DispatchSemaphore ===
<syntaxhighlight lang="swift">
import Dispatch
let NMAX = 10000
let semaphore = DispatchSemaphore(value: 0)
DispatchQueue.global(priority: .low).async {
for i in 0..<NMAX {
print(i)
}
semaphore.signal()
}
print("before waiting")
semaphore.wait() // ãã®1è¡ãå€ããšãNMAXãŸã§åºåãããåã«æ¬¡ã®è¡ã«é²ã
print("after waiting")
</syntaxhighlight>
== async/await (Swift 5.5以é) ==
Swift 5.7以éïŒTask.sleep䜿çšå¯èœïŒ
<syntaxhighlight lang="swift">
import Foundation
let semaphore2 = DispatchSemaphore(value: 0)
func asyncTaskCore(n:Int) async {
try! await Task.sleep(for: .seconds(1))
print("asyncTaskCore(\(n)) done")
}
func asyncTask() async {
await asyncTaskCore(n: 0) // ã³ãŒã«ããã¯é¢æ°ã®å Žåãšã®æ¯èŒã®ããããããŠforæäžäœ¿çš
await asyncTaskCore(n: 1)
await asyncTaskCore(n: 2)
await asyncTaskCore(n: 3)
await asyncTaskCore(n: 4)
}
Task {
await asyncTask()
semaphore2.signal()
}
semaphore2.wait()
</syntaxhighlight>
Swift 5.5.xïœ5.6.x
<syntaxhighlight lang="swift">
import Foundation
let semaphore2 = DispatchSemaphore(value: 0)
func asyncTaskCore(n:Int) async {
let semaphore1 = DispatchSemaphore(value: 0)
DispatchQueue.global(priority: .low).asyncAfter(deadline: .now() + 1) {
semaphore1.signal()
}
semaphore1.wait()
print("asyncTaskCore(\(n)) done")
}
func asyncTask() async {
await asyncTaskCore(n: 0)
await asyncTaskCore(n: 1)
await asyncTaskCore(n: 2)
await asyncTaskCore(n: 3)
await asyncTaskCore(n: 4)
}
Task {
await asyncTask()
semaphore2.signal()
}
semaphore2.wait()
</syntaxhighlight>
Swift 5.4.x以åïŒã³ãŒã«ããã¯é¢æ°äœ¿çšïŒ
<syntaxhighlight lang="swift">
import Foundation
let semaphore2 = DispatchSemaphore(value: 0)
func asyncTaskCore(n:Int, callback:() -> ()) {
let semaphore1 = DispatchSemaphore(value: 0)
DispatchQueue.global(priority: .low).asyncAfter(deadline: .now() + 1) {
semaphore1.signal()
}
semaphore1.wait()
print("asyncTaskCore(\(n)) done")
callback()
}
func asyncTask(callback:@escaping () -> ()) {
asyncTaskCore(n: 0, callback: {
asyncTaskCore(n: 1, callback: {
asyncTaskCore(n: 2, callback: {
asyncTaskCore(n: 3, callback: {
asyncTaskCore(n: 4, callback: {
callback()
})
})
})
})
})
}
asyncTask(callback: {
semaphore2.signal()
})
semaphore2.wait()
</syntaxhighlight>
{{Nav}}
== å€éšãªã³ã¯ ==
* [https://swiftfiddle.com/ SwiftFiddle - Swift Online Playground] | 2021-07-30T07:40:56Z | 2023-08-15T09:48:34Z | [
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/Swift/%E9%9D%9E%E5%90%8C%E6%9C%9F%E5%87%A6%E7%90%86 |
32,127 | Minecraft/ã¯ãªãŒã㌠| ã¯ãªãŒããŒã¯ããã€ã³ã¯ã©ããã®ãªãŒããŒã¯ãŒã«ãã«ã¹ããŒã³ãããæµå¯Ÿã¢ãã§ãã
ã¯ãªãŒããŒã¯ããªãŒããŒã¯ãŒã«ãã®æããã¬ãã«7以äžã®å Žæã«ã¹ããŒã³ãããè¶³ã4æ¬ãããç·è²ã®äœãããæµå¯Ÿã¢ãã§ããã¯ãªãŒããŒã¯ãè¿ãã«ãããã¬ã€ã€ãŒã«è¿ã¥ãããã¬ã€ã€ãŒãšã®è·é¢ã3ãããã¯ã«ãªããšãã«ãŠã³ãããŠã³ãå§ãã2ç§åŸã«ççºããŸããççºããåã«ãã¬ã€ã€ãŒãé¢ããå Žåãã¯ãªãŒããŒã¯ã«ãŠã³ãããŠã³ããããŠåã³è¿œè·¡ããŸãããã¬ã€ã€ãŒãã¯ãªãŒããŒã«åãã£ãŠç«æç³ãšæã¡éã䜿çšãããšãã¯ãªãŒããŒã¯ãã®å Žã§ççºããŸããã¯ãªãŒããŒã¯ãä»ã®ã¢ããšã¯ç°ãªã声ãçºããŸããã
ã¯ãªãŒããŒãåããšãç«è¬ãæã«å
¥ããŸãã
è¿ãã«ã€ããã³ãããå Žåãã¯ãªãŒããŒã¯ã€ããã³ããéããããšããŸãã
ã¯ãªãŒããŒã«é·ãåœãããšãéãå
ã£ã垯é»ã¯ãªãŒããŒã«å€åããŠãççºåãã¢ããããŸããç¹å®ã®ã¢ãã®è¿ãã§ççºããŠåãããšããã®ã¢ãã®é ãæã«å
¥ããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ã¯ãªãŒããŒã¯ããã€ã³ã¯ã©ããã®ãªãŒããŒã¯ãŒã«ãã«ã¹ããŒã³ãããæµå¯Ÿã¢ãã§ãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "",
"title": ""
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ã¯ãªãŒããŒã¯ããªãŒããŒã¯ãŒã«ãã®æããã¬ãã«7以äžã®å Žæã«ã¹ããŒã³ãããè¶³ã4æ¬ãããç·è²ã®äœãããæµå¯Ÿã¢ãã§ããã¯ãªãŒããŒã¯ãè¿ãã«ãããã¬ã€ã€ãŒã«è¿ã¥ãããã¬ã€ã€ãŒãšã®è·é¢ã3ãããã¯ã«ãªããšãã«ãŠã³ãããŠã³ãå§ãã2ç§åŸã«ççºããŸããççºããåã«ãã¬ã€ã€ãŒãé¢ããå Žåãã¯ãªãŒããŒã¯ã«ãŠã³ãããŠã³ããããŠåã³è¿œè·¡ããŸãããã¬ã€ã€ãŒãã¯ãªãŒããŒã«åãã£ãŠç«æç³ãšæã¡éã䜿çšãããšãã¯ãªãŒããŒã¯ãã®å Žã§ççºããŸããã¯ãªãŒããŒã¯ãä»ã®ã¢ããšã¯ç°ãªã声ãçºããŸããã",
"title": "ãã®æµå¯Ÿã¢ãã«ã€ããŠ"
},
{
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"tag": "p",
"text": "ã¯ãªãŒããŒãåããšãç«è¬ãæã«å
¥ããŸãã",
"title": "ãã®æµå¯Ÿã¢ãã«ã€ããŠ"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "è¿ãã«ã€ããã³ãããå Žåãã¯ãªãŒããŒã¯ã€ããã³ããéããããšããŸãã",
"title": "ãã®æµå¯Ÿã¢ãã«ã€ããŠ"
},
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"paragraph_id": 5,
"tag": "p",
"text": "ã¯ãªãŒããŒã«é·ãåœãããšãéãå
ã£ã垯é»ã¯ãªãŒããŒã«å€åããŠãççºåãã¢ããããŸããç¹å®ã®ã¢ãã®è¿ãã§ççºããŠåãããšããã®ã¢ãã®é ãæã«å
¥ããŸãã",
"title": "ãã®æµå¯Ÿã¢ãã«ã€ããŠ"
}
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| ã¯ãªãŒããŒã¯ããã€ã³ã¯ã©ããã®ãªãŒããŒã¯ãŒã«ãã«ã¹ããŒã³ãããæµå¯Ÿã¢ãã§ãã | ã¯ãªãŒããŒã¯ããã€ã³ã¯ã©ããã®ãªãŒããŒã¯ãŒã«ãã«ã¹ããŒã³ãããæµå¯Ÿã¢ãã§ãã[[Category:Minecraft]]
==ãã®æµå¯Ÿã¢ãã«ã€ããŠ==
ã¯ãªãŒããŒã¯ããªãŒããŒã¯ãŒã«ãã®æããã¬ãã«7以äžã®å Žæã«ã¹ããŒã³ãããè¶³ã4æ¬ãããç·è²ã®äœãããæµå¯Ÿã¢ãã§ããã¯ãªãŒããŒã¯ãè¿ãã«ãããã¬ã€ã€ãŒã«è¿ã¥ãããã¬ã€ã€ãŒãšã®è·é¢ã3ãããã¯ã«ãªããšãã«ãŠã³ãããŠã³ãå§ãã2ç§åŸã«ççºããŸããççºããåã«ãã¬ã€ã€ãŒãé¢ããå Žåãã¯ãªãŒããŒã¯ã«ãŠã³ãããŠã³ããããŠåã³è¿œè·¡ããŸãããã¬ã€ã€ãŒãã¯ãªãŒããŒã«åãã£ãŠç«æç³ãšæã¡éã䜿çšãããšãã¯ãªãŒããŒã¯ãã®å Žã§ççºããŸããã¯ãªãŒããŒã¯ãä»ã®ã¢ããšã¯ç°ãªã声ãçºããŸããã
ã¯ãªãŒããŒãåããšãç«è¬ãæã«å
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ã¯ãªãŒããŒã«é·ãåœãããšãéãå
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¥ããŸãã | 2021-07-30T12:43:09Z | 2023-09-01T22:50:08Z | []
| https://ja.wikibooks.org/wiki/Minecraft/%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%91%E3%83%BC |
32,128 | Minecraft/ãªãŒããŒã¯ãŒã«ã | ãªãŒããŒã¯ãŒã«ãã¯ããã€ã³ã¯ã©ããã®äžç(ãã£ã¡ã³ã·ã§ã³)ã®äžã€ã§ãã
ãªãŒããŒã¯ãŒã«ãã¯ããªã¹ããŒã³å°ç¹ãããããã¬ã€ã€ãŒãæåã«éãç«ã€ãã£ã¡ã³ã·ã§ã³ã§ãããªãŒããŒã¯ãŒã«ãã«ã¯ãå¹³åãç æŒ ãæ£®æããžã£ã³ã°ã«ãªã©å€æ°ã®ãã€ãªãŒã ããããããããã®ãã€ãªãŒã ã§ç°ãªããããã¯ãã¢ã€ãã ãæ§é ç©ããããŸãããŸããã€ãªãŒã ããšã«ãç°ãªãã¢ããã¢ã³ã¹ã¿ãŒãåºçŸããŸãã黿ç³ã䜿ã£ãŠããŒã¿ã«ãäœããšããã¶ãŒã«è¡ãããšãã§ããŸãã
ãªãŒããŒã¯ãŒã«ãã«ã¯ãæŒå€ãµã€ã¯ã«ããã20åã§äžæ¥ãçµéããŸããçŸå®ã®äžçãšåãããã«ãæ¥ã®åºã«ãªããšå€ªéœãæããæ¥ã®å
¥ãã«ãªããšå€ªéœãæ²ã¿ãŸããæŒã¯10åéããããŸã³ããã¹ã±ã«ãã³ã¯äœãçããŠãã¡ãŒãžãåããŸããå€ã¯7åéãããäžçãæããªãã¢ã³ã¹ã¿ãŒãã¹ããŒã³ããŸããæ¥ã®åºãšæ¥ã®å
¥ãã¯ããããã1å30ç§éãããŸãã | [
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"title": ""
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"title": "ãªãŒããŒã¯ãŒã«ãã«ã€ããŠ"
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"text": "ãªãŒããŒã¯ãŒã«ãã«ã¯ãæŒå€ãµã€ã¯ã«ããã20åã§äžæ¥ãçµéããŸããçŸå®ã®äžçãšåãããã«ãæ¥ã®åºã«ãªããšå€ªéœãæããæ¥ã®å
¥ãã«ãªããšå€ªéœãæ²ã¿ãŸããæŒã¯10åéããããŸã³ããã¹ã±ã«ãã³ã¯äœãçããŠãã¡ãŒãžãåããŸããå€ã¯7åéãããäžçãæããªãã¢ã³ã¹ã¿ãŒãã¹ããŒã³ããŸããæ¥ã®åºãšæ¥ã®å
¥ãã¯ããããã1å30ç§éãããŸãã",
"title": "æŒå€ãµã€ã¯ã«"
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| ãªãŒããŒã¯ãŒã«ãã¯ããã€ã³ã¯ã©ããã®äžçïŒãã£ã¡ã³ã·ã§ã³ïŒã®äžã€ã§ãã | {{stub}}
ãªãŒããŒã¯ãŒã«ãã¯ããã€ã³ã¯ã©ããã®äžçïŒãã£ã¡ã³ã·ã§ã³ïŒã®äžã€ã§ãã[[Category:Minecraft]]
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ãªãŒããŒã¯ãŒã«ãã¯ããªã¹ããŒã³å°ç¹ãããããã¬ã€ã€ãŒãæåã«éãç«ã€ãã£ã¡ã³ã·ã§ã³ã§ãããªãŒããŒã¯ãŒã«ãã«ã¯ãå¹³åãç æŒ ãæ£®æããžã£ã³ã°ã«ãªã©å€æ°ã®[[Minecraft/ãã€ãªãŒã |ãã€ãªãŒã ]]ããããããããã®ãã€ãªãŒã ã§ç°ãªããããã¯ãã¢ã€ãã ãæ§é ç©ããããŸãããŸããã€ãªãŒã ããšã«ãç°ãªãã¢ããã¢ã³ã¹ã¿ãŒãåºçŸããŸãã黿ç³ã䜿ã£ãŠããŒã¿ã«ãäœããšã[[Minecraft/ãã¶ãŒ|ãã¶ãŒ]]ã«è¡ãããšãã§ããŸãã
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¥ãã«ãªããšå€ªéœãæ²ã¿ãŸããæŒã¯10åéããã[[Minecraft/ãŸã³ã|ãŸã³ã]]ã[[Minecraft/ã¹ã±ã«ãã³|ã¹ã±ã«ãã³]]ã¯äœãçããŠãã¡ãŒãžãåããŸããå€ã¯7åéãããäžçãæããªãã¢ã³ã¹ã¿ãŒãã¹ããŒã³ããŸããæ¥ã®åºãšæ¥ã®å
¥ãã¯ããããã1å30ç§éãããŸãã | null | 2021-07-30T14:16:21Z | [
"ãã³ãã¬ãŒã:Stub"
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| https://ja.wikibooks.org/wiki/Minecraft/%E3%82%AA%E3%83%BC%E3%83%90%E3%83%BC%E3%83%AF%E3%83%BC%E3%83%AB%E3%83%89 |
32,147 | Cèšèª/æšæºã©ã€ãã©ãª/tgmath.h | ISO/IEC 9899:1999(C99)ã§æšæºã«è¿œå ãããããããŒ<tgmath.h>ã§ã¯ãåŒæ°ã®åã«å¿ããŠå¯Ÿå¿ããæ°åŠé¢æ°ãåŒã³åºãåç·ç§°ãã¯ããå®çŸ©ãããŸãã <tgmath.h>ãã€ã³ã¯ã«ãŒããããšã<math.h>ãš<complex.h>ã(æé»ã«)ã€ã³ã¯ã«ãŒããããŸãã
Cèšèªã®æ°åŠé¢æ°ã«ã¯å®æ°åãšè€çŽ æ°åããããŸããããããåŒæ°ã®åã«å¿ããŠãfloatãdoubleãlong doubleã®3çš®é¡ãããã®ã§ 2 à 3 = 6 {\displaystyle 2\times 3=6} éãã®çµã¿åãããçããŸãã Cèšèªã¯C++ã®ãããªãªãŒããŒããŒãããµããŒãããŠããªããããåŒæ°ã®åãç°ãªã颿°ã®ããªãšãŒã·ã§ã³ã«ã¯ { sin, sinf, sin, sinl, csinf, csin, csinl } ã®ãããªååãä»ããããŠããŸãã
<tgmath.h>ã«ã¯ãåŒã³åºãã¹ãæ£ããæ°åŠé¢æ°ã®éžæãç°¡åã«ãããã¯ããå«ãŸããŠããŸãããã¯ãã¯æž¡ãããåã«å¿ããŠæ£ãã颿°ãåŒã³åºããŸãã äŸãã°ããã¯ãsqrt()ã§ã¯ãsqrt(2.0f) 㯠sqrtf(2.0f)ããsqrt(2.0) 㯠sqrt() ããsqrt(2.0L) ãªãã° sqrtl(2.0L) ãåŒã³åºããŸãã
ISO/IEC 9899:2011(C11)ã§ãããŒã¯ãŒã _Generic ãå°å
¥ãããŸããã
_Generic ã¯ãåãžã§ããªãã¯åŒãå®çŸããããã®ãã®ã§ãC++ã®ãªãŒããŒããŒãã®æ§ã«åŒæ°ã®åã«ãã£ãŠåŠçãéžæããŸãã
æ§æ
åãžã§ããªãã¯åŒã¯ãäžãããããåŒããšäžèŽããåã«å¯Ÿå¿ããå€ãåããŸãã ç¹å¥ãªãåããšã㊠default ããããä»ã®å
šãŠã®åã«äžèŽããªãã£ãå Žåã« default ã«å¯Ÿå¿ããå€ãåããŸãã
_Generic ã®äœ¿çšäŸ(C11:WG14/N1570 Committee Draft ISO/IEC.p.68, §6.5.1.1 Generic selection.ããæç²)
crrt()ã¯ãç«æ¹æ ¹(cube root)ãè¿ã颿°ã§ãããåŒæ°ã®çš®é¡ã«ãã£ãŠã
ã®3ã€ã®ããªãšãŒã·ã§ã³ããããŸãã
ãã®äŸã§ç€ºãããåç·ç§°ãã¯ãcbrt()ã§ã¯ã_Generic() ã§æž¡ãããä»®åŒæ° X ã«ãã£ãŠåŒã³åºã颿°ãåãæ¿ããŠããŸãã
å®éã®ããã°ã©ã ã§ããã®ãã¯ãã䜿ã£ãŠè©ŠããŠã¿ãŸãããã | [
{
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"tag": "p",
"text": "ISO/IEC 9899:1999(C99)ã§æšæºã«è¿œå ãããããããŒ<tgmath.h>ã§ã¯ãåŒæ°ã®åã«å¿ããŠå¯Ÿå¿ããæ°åŠé¢æ°ãåŒã³åºãåç·ç§°ãã¯ããå®çŸ©ãããŸãã <tgmath.h>ãã€ã³ã¯ã«ãŒããããšã<math.h>ãš<complex.h>ã(æé»ã«)ã€ã³ã¯ã«ãŒããããŸãã",
"title": ""
},
{
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"text": "Cèšèªã®æ°åŠé¢æ°ã«ã¯å®æ°åãšè€çŽ æ°åããããŸããããããåŒæ°ã®åã«å¿ããŠãfloatãdoubleãlong doubleã®3çš®é¡ãããã®ã§ 2 à 3 = 6 {\\displaystyle 2\\times 3=6} éãã®çµã¿åãããçããŸãã Cèšèªã¯C++ã®ãããªãªãŒããŒããŒãããµããŒãããŠããªããããåŒæ°ã®åãç°ãªã颿°ã®ããªãšãŒã·ã§ã³ã«ã¯ { sin, sinf, sin, sinl, csinf, csin, csinl } ã®ãããªååãä»ããããŠããŸãã",
"title": ""
},
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"paragraph_id": 2,
"tag": "p",
"text": "<tgmath.h>ã«ã¯ãåŒã³åºãã¹ãæ£ããæ°åŠé¢æ°ã®éžæãç°¡åã«ãããã¯ããå«ãŸããŠããŸãããã¯ãã¯æž¡ãããåã«å¿ããŠæ£ãã颿°ãåŒã³åºããŸãã äŸãã°ããã¯ãsqrt()ã§ã¯ãsqrt(2.0f) 㯠sqrtf(2.0f)ããsqrt(2.0) 㯠sqrt() ããsqrt(2.0L) ãªãã° sqrtl(2.0L) ãåŒã³åºããŸãã",
"title": ""
},
{
"paragraph_id": 3,
"tag": "p",
"text": "ISO/IEC 9899:2011(C11)ã§ãããŒã¯ãŒã _Generic ãå°å
¥ãããŸããã",
"title": "åãžã§ããªãã¯åŒ"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "_Generic ã¯ãåãžã§ããªãã¯åŒãå®çŸããããã®ãã®ã§ãC++ã®ãªãŒããŒããŒãã®æ§ã«åŒæ°ã®åã«ãã£ãŠåŠçãéžæããŸãã",
"title": "åãžã§ããªãã¯åŒ"
},
{
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"tag": "p",
"text": "æ§æ",
"title": "åãžã§ããªãã¯åŒ"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "åãžã§ããªãã¯åŒã¯ãäžãããããåŒããšäžèŽããåã«å¯Ÿå¿ããå€ãåããŸãã ç¹å¥ãªãåããšã㊠default ããããä»ã®å
šãŠã®åã«äžèŽããªãã£ãå Žåã« default ã«å¯Ÿå¿ããå€ãåããŸãã",
"title": "åãžã§ããªãã¯åŒ"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "_Generic ã®äœ¿çšäŸ(C11:WG14/N1570 Committee Draft ISO/IEC.p.68, §6.5.1.1 Generic selection.ããæç²)",
"title": "åãžã§ããªãã¯åŒ"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "crrt()ã¯ãç«æ¹æ ¹(cube root)ãè¿ã颿°ã§ãããåŒæ°ã®çš®é¡ã«ãã£ãŠã",
"title": "åãžã§ããªãã¯åŒ"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "ã®3ã€ã®ããªãšãŒã·ã§ã³ããããŸãã",
"title": "åãžã§ããªãã¯åŒ"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "ãã®äŸã§ç€ºãããåç·ç§°ãã¯ãcbrt()ã§ã¯ã_Generic() ã§æž¡ãããä»®åŒæ° X ã«ãã£ãŠåŒã³åºã颿°ãåãæ¿ããŠããŸãã",
"title": "åãžã§ããªãã¯åŒ"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "å®éã®ããã°ã©ã ã§ããã®ãã¯ãã䜿ã£ãŠè©ŠããŠã¿ãŸãããã",
"title": "åãžã§ããªãã¯åŒ"
}
]
| ISO/IEC 9899:1999(C99)ã§æšæºã«è¿œå ãããããããŒ<tgmath.h>ã§ã¯ãåŒæ°ã®åã«å¿ããŠå¯Ÿå¿ããæ°åŠé¢æ°ãåŒã³åºãåç·ç§°ãã¯ããå®çŸ©ãããŸãã
<tgmath.h>ãã€ã³ã¯ã«ãŒããããšããšãïŒæé»ã«ïŒã€ã³ã¯ã«ãŒããããŸãã Cèšèªã®æ°åŠé¢æ°ã«ã¯å®æ°åãšè€çŽ æ°åããããŸããããããåŒæ°ã®åã«å¿ããŠãfloatãdoubleãlong doubleã®3çš®é¡ãããã®ã§ 2 à 3 = 6 éãã®çµã¿åãããçããŸãã
Cèšèªã¯C++ã®ãããªãªãŒããŒããŒãããµããŒãããŠããªããããåŒæ°ã®åãç°ãªã颿°ã®ããªãšãŒã·ã§ã³ã«ã¯ { sin, sinf, sin, sinl, csinf, csin, csinl } ã®ãããªååãä»ããããŠããŸãã <tgmath.h>ã«ã¯ãåŒã³åºãã¹ãæ£ããæ°åŠé¢æ°ã®éžæãç°¡åã«ãããã¯ããå«ãŸããŠããŸãããã¯ãã¯æž¡ãããåã«å¿ããŠæ£ãã颿°ãåŒã³åºããŸãã
äŸãã°ããã¯ãsqrtã§ã¯ãsqrt(2.0f) 㯠sqrtf(2.0f)ããsqrt(2.0) 㯠sqrt ããsqrt(2.0L) ãªãã° sqrtl(2.0L) ãåŒã³åºããŸãã | {{ã¹ã¿ã}}
{{Nav}}
ISO/IEC 9899:1999(C99)ã§æšæºã«è¿œå ãããããããŒ<code><tgmath.h></code>ã§ã¯ãåŒæ°ã®åã«å¿ããŠå¯Ÿå¿ããæ°åŠé¢æ°ãåŒã³åºãåç·ç§°ãã¯ã<ref>Type-generic macros</ref>ãå®çŸ©ãããŸã<ref name="jtc1-sc22-wg14-n1256-7.22">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf
| title = C99: WG14/N1256 Committee Draft â Septermber 7, 2007
| page = 335, §7.22 ''Type-generic math''
| publisher = ISO/IEC}}</ref>ã
<code><tgmath.h></code>ãã€ã³ã¯ã«ãŒããããšã<code>[[Cèšèª/æšæºã©ã€ãã©ãª/math.h|<math.h>]]</code>ãš<code>[[Cèšèª/æšæºã©ã€ãã©ãª/complex.h|<complex.h>]]</code>ãïŒæé»ã«ïŒã€ã³ã¯ã«ãŒããããŸãã
Cèšèªã®æ°åŠé¢æ°ã«ã¯å®æ°åãšè€çŽ æ°åããããŸããããããåŒæ°ã®åã«å¿ããŠã<code>float</code>ã<code>double</code>ã<code>long double</code>ã®3çš®é¡ãããã®ã§ <math>2\times 3=6</math>éãã®çµã¿åãããçããŸãã
Cèšèªã¯C++ã®ãããªãªãŒããŒããŒãããµããŒãããŠããªããããåŒæ°ã®åãç°ãªã颿°ã®ããªãšãŒã·ã§ã³ã«ã¯ { sin, sin'''f''', sin, sin'''l''', '''c'''sin'''f''', '''c'''sin, '''c'''sin'''l''' } ã®ãããªååãä»ããããŠããŸãã
<code><tgmath.h></code>ã«ã¯ãåŒã³åºãã¹ãæ£ããæ°åŠé¢æ°ã®éžæãç°¡åã«ãããã¯ããå«ãŸããŠããŸãããã¯ãã¯æž¡ãããåã«å¿ããŠæ£ãã颿°ãåŒã³åºããŸãã
äŸãã°ããã¯ã<code>sqrt()</code>ã§ã¯ã<code>sqrt(2.0f)</code> 㯠<code>sqrtf(2.0f)</code>ãã<code>sqrt(2.0)</code> 㯠<code>sqrt()</code> ã<ref>ãã¯ãããã»ããµã¯ããã¯ãå±éã®çµæã«åã³ãã¯ããé©çšããããšã¯ããªãã®ã§ãã¯ãåãšå±éå
ã®é¢æ°åãäžèŽããŠããäºã¯åé¡ã«ãªããŸããã</ref>ã<code>sqrt(2.0L)</code> ãªãã° <code>sqrtl(2.0L)</code> ãåŒã³åºããŸãã
; [https://paiza.io/projects/ff4FsPGaoO64R1l2xboTXQ?language=c ã³ãŒãäŸ]
:<syntaxhighlight lang="c">
#include <stdio.h>
#include <tgmath.h>
int main(void)
{
printf("%32.30f\n", sqrt(2.0f));
printf("%32.30f\n", sqrt(2.0));
printf("%32.30Lf\n", sqrt(2.0L));
float complex f = 2 + I * 2;
f = sqrt(f);
printf("%32.30f+%32.30fi\n", creal(f), cimag(f));
double complex d = 2 + I * 2;
d = sqrt(d);
printf("%32.30f+%32.30fi\n", creal(d), cimag(d));
long double complex l = 2 + I * 2;
l = sqrt(l);
printf("%32.30Lf+%32.30Lfi\n", creal(l), cimag(l));
}
</syntaxhighlight>
; çµæ
:<syntaxhighlight lang="text">
1.414213538169860839843750000000
1.414213562373095145474621858739
1.414213562373095048763788073032
1.553773999214172363281250000000+0.643594264984130859375000000000i
1.553773974030037363647238635167+0.643594252905582586699040348321i
1.553773974030037307377145883169+0.643594252905582624700326493938i
</syntaxhighlight>
{| class="sortable wikitable" style="text-align:center"
|+ <tgmath.h> ã§å®çŸ©ãããŠããåç·ç§°ãã¯ããšå±éå
ã®æ°åŠé¢æ°
! rowspan=2 colspan=2 scope="col" | åç·ç§°ãã¯ã
! colspan=3 scope="col" | 宿°
! colspan=3 scope="col" | è€çŽ æ°
|-
! scope="col" |<code>float</code>
! scope="col" |<code>double</code>
! scope="col" |<code>long double</code>
! scope="col" |<code>float</code>
! scope="col" |<code>double</code>
! scope="col" |<code>long double</code>
|-
! rowspan=7 style="writing-mode: vertical-rl;" scope="row" |[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#äžè§é¢æ°|äžè§é¢æ°]]
! scope="row" |<code>[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#sin颿°çŸ€|sin]]</code>
|<code>sinf</code>||<code>sin</code>||<code>sinl</code>||<code>csinf</code>||<code>csin</code>||<code>csinl</code>
|-
! scope="row" |<code>[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#cos颿°çŸ€|cos]]cos</code>
|<code>cosf</code>||<code>cos</code>||<code>cosl</code>||<code>ccosf</code>||<code>ccos</code>||<code>ccosl</code>
|-
! scope="row" |<code>[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#tan颿°çŸ€|tan]]</code>
|<code>tanf</code>||<code>tan</code>||<code>tanl</code>||<code>ctanf</code>||<code>ctan</code>||<code>ctanl</code>
|-
! scope="row" |<code>[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#asin颿°çŸ€|asin]]</code>
|<code>asinf</code>||<code>asin</code>||<code>asinl</code>||<code>casinf</code>||<code>casin</code>||<code>casinl</code>
|-
! scope="row" |<code>[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#acos颿°çŸ€|acos]]</code>
|<code>acosf</code>||<code>acos</code>||<code>acosl</code>||<code>cacosf</code>||<code>cacos</code>||<code>cacosl</code>
|-
! scope="row" |<code>[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#atan颿°çŸ€|atan]]</code>
|<code>atanf</code>||<code>atan</code>||<code>atanl</code>||<code>catanf</code>||<code>catan</code>||<code>catanl</code>
|-
! scope="row" |<code>[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#atan2颿°çŸ€|atan2]]</code>
|<code>atan2f</code>||<code>atan2</code>||<code>atan2l</code>|| - || - || -
|-
! rowspan=6 style="writing-mode: vertical-rl;" scope="row" |[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#åæ²ç·é¢æ°|åæ²ç·é¢æ°]]
! scope="row" |<code>[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#sinh颿°çŸ€|sinh]]</code>
|<code>sinhf</code>||<code>sinh</code>||<code>sinhl</code>||<code>csinhf</code>||<code>csinh</code>||<code>csinhl</code>
|-
! scope="row" |<code>cosh</code>
|<code>coshf</code>||<code>cosh</code>||<code>coshl</code>||<code>ccoshf</code>||<code>ccosh</code>||<code>ccoshl</code>
|-
! scope="row" |<code>tanh</code>
|<code>tanhf</code>||<code>tanh</code>||<code>tanhl</code>||<code>ctanhf</code>||<code>ctanh</code>||<code>ctanhl</code>
|-
! scope="row" |<code>asinh</code>
|<code>asinhf</code>||<code>asinh</code>||<code>asinhl</code>||<code>casinhf</code>||<code>casinh</code>||<code>casinhl</code>
|-
! scope="row" |<code>acosh</code>
|<code>acoshf</code>||<code>acosh</code>||<code>acoshl</code>||<code>cacoshf</code>||<code>cacosh</code>||<code>cacoshl</code>
|-
! scope="row" |<code>atanh</code>
|<code>atanhf</code>||<code>atanh</code>||<code>atanhl</code>||<code>catanhf</code>||<code>catanh</code>||<code>catanhl</code>
|-
! rowspan=13 style="writing-mode: vertical-rl;" scope="row" |[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#ææ°é¢æ°åã³å¯Ÿæ°é¢æ°|ææ°é¢æ°åã³å¯Ÿæ°é¢æ°]]
! scope="row" |<code>exp</code>
|<code>expf</code>||<code>exp</code>||<code>expl</code>||<code>cexpf</code>||<code>cexp</code>||<code>cexpl</code>
|-
! scope="row" |<code>exp2</code>
|<code>exp2f</code>||<code>exp2</code>||<code>exp2l</code> || - || - || -
|-
! scope="row" |<code>expm1</code>
|<code>expm1f</code>||<code>expm1</code>||<code>expm1l</code> || - || - || -
|-
! scope="row" |<code>frexp</code>
|<code>frexpf</code>||<code>frexp</code>||<code>frexpl</code> || - || - || -
|-
! scope="row" |<code>ilogb</code>
|<code>ilogbf</code>||<code>ilogb</code>||<code>ilogbl</code> || - || - || -
|-
! scope="row" |<code>ldexp</code>
|<code>ldexpf</code>||<code>ldexp</code>||<code>ldexpl</code> || - || - || -
|-
! scope="row" |<code>log</code>
|<code>logf</code>||<code>log</code>||<code>logl</code>||<code>clogf</code>||<code>clog</code>||<code>clogl</code>
|-
! scope="row" |<code>log10</code>
|<code>log10f</code>||<code>log10</code>||<code>log10l</code> || - || - || -
|-
! scope="row" |<code>log1p</code>
|<code>log1pf</code>||<code>log1p</code>||<code>log1pl</code> || - || - || -
|-
! scope="row" |<code>log2</code>
|<code>log2f</code>||<code>log2</code>||<code>log2l</code> || - || - || -
|-
! scope="row" |<code>logb</code>
|<code>logbf</code>||<code>logb</code>||<code>logbl</code> || - || - || -
|-
! scope="row" |<code>scalbln</code>
|<code>scalblnf</code>||<code>scalbln</code>||<code>scalblnl</code> || - || - || -
|-
! scope="row" |<code>scalbn</code>
|<code>scalbnf</code>||<code>scalbn</code>||<code>scalbnl</code> || - || - || -
|-
! rowspan=5 style="writing-mode: vertical-rl;" scope="row" |[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#ã¹ãä¹é¢æ°åã³çµ¶å¯Ÿå€é¢æ°|ã¹ãä¹é¢æ°åã³çµ¶å¯Ÿå€é¢æ°]]
! scope="row" |<code>cbrt</code>
|<code>cbrtf</code>||<code>cbrt</code>||<code>cbrtl</code> || - || - || -
|-
! scope="row" |<code>fabs</code>
|<code>fabsf</code>||<code>fabs</code>||<code>fabsl</code>||<code>cabsf</code>||<code>cabs</code>||<code>cabsl</code>
|-
! scope="row" |<code>hypot</code>
|<code>hypotf</code>||<code>hypot</code>||<code>hypotl</code> || - || - || -
|-
! scope="row" |<code>pow</code>
|<code>powf</code>||<code>pow</code>||<code>powl</code>||<code>cpowf</code>||<code>cpow</code>||<code>cpowl</code>
|-
! scope="row" |<code>sqrt</code>
|<code>sqrtf</code>||<code>sqrt</code>||<code>sqrtl</code>||<code>csqrtf</code>||<code>csqrt</code>||<code>csqrtl</code>
|-
! rowspan=4 style="writing-mode: vertical-rl;" scope="row" |[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#èª€å·®é¢æ°åã³ã¬ã³ã颿°|èª€å·®é¢æ°åã³ã¬ã³ã颿°]]
! scope="row" |<code>erf</code>
|<code>erff</code>||<code>erf</code>||<code>erfl</code> || - || - || -
|-
! scope="row" |<code>erfc</code>
|<code>erfcf</code>||<code>erfc</code>||<code>erfcl</code> || - || - || -
|-
! scope="row" |<code>lgamma</code>
|<code>lgammaf</code>||<code>lgamma</code>||<code>lgammal</code> || - || - || -
|-
! scope="row" |<code>tgamma</code>
|<code>tgammaf</code>||<code>tgamma</code>||<code>tgammal</code> || - || - || -
|-
! rowspan=10 style="writing-mode: vertical-rl;" scope="row" |[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#æè¿æ¥æŽæ°é¢æ°|æè¿æ¥æŽæ°é¢æ°]]
! scope="row" |<code>ceil</code>
|<code>ceilf</code>||<code>ceil</code>||<code>ceill</code> || - || - || -
|-
! scope="row" |<code>floor</code>
|<code>floorf</code>||<code>floor</code>||<code>floorl</code> || - || - || -
|-
! scope="row" |<code>nearbyint</code>
|<code>nearbyintf</code>||<code>nearbyint</code>||<code>nearbyintl</code> || - || - || -
|-
! scope="row" |<code>rint</code>
|<code>rintf</code>||<code>rint</code>||<code>rintl</code> || - || - || -
|-
! scope="row" |<code>lrint</code>
|<code>lrintf</code>||<code>lrint</code>||<code>lrintl</code> || - || - || -
|-
! scope="row" |<code>llrint</code>
|<code>llrintf</code>||<code>llrint</code>||<code>llrintl</code> || - || - || -
|-
! scope="row" |<code>round</code>
|<code>roundf</code>||<code>round</code>||<code>roundl</code> || - || - || -
|-
! scope="row" |<code>lround</code>
|<code>lroundf</code>||<code>lround</code>||<code>lroundl</code> || - || - || -
|-
! scope="row" |<code>llround</code>
|<code>llroundf</code>||<code>llround</code>||<code>llroundl</code> || - || - || -
|-
! scope="row" |<code>trunc</code>
|<code>truncf</code>||<code>trunc</code>||<code>truncl</code> || - || - || -
|-
! rowspan=3 style="writing-mode: vertical-rl;" scope="row" |[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#å°äœé¢æ°|å°äœé¢æ°]]
! scope="row" |<code>fmod</code>
|<code>fmodf</code>||<code>fmod</code>||<code>fmodl</code> || - || - || -
|-
! scope="row" |<code>remainder</code>
|<code>remainderf</code>||<code>remainder</code>||<code>remainderl</code> || - || - || -
|-
! scope="row" |<code>remquo</code>
|<code>remquof</code>||<code>remquo</code>||<code>remquol</code> || - || - || -
|-
! rowspan=3 style="writing-mode: vertical-rl;" scope="row" |[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#宿°æäœé¢æ°|宿°æäœé¢æ°]]
! scope="row" |<code>copysign</code>
|<code>copysignf</code>||<code>copysign</code>||<code>copysignl</code> || - || - || -
|-
! scope="row" |<code>nextafter</code>
|<code>nextafterf</code>||<code>nextafter</code>||<code>nextafterl</code> || - || - || -
|-
! scope="row" |<code>nexttoward</code>
|<code>nexttowardf</code>||<code>nexttoward</code>||<code>nexttowardl</code> || - || - || -
|-
! rowspan=3 style="writing-mode: vertical-rl;" scope="row" |[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#æå€§, æå°åã³æ£ã®å·®é¢æ°|æå€§, æå°åã³æ£ã®å·®é¢æ°]]
! scope="row" |<code>fdim</code>
|<code>fdimf</code>||<code>fdim</code>||<code>fdiml</code> || - || - || -
|-
! scope="row" |<code>fmax</code>
|<code>fmaxf</code>||<code>fmax</code>||<code>fmaxl</code> || - || - || -
|-
! scope="row" |<code>fmin</code>
|<code>fminf</code>||<code>fmin</code>||<code>fminl</code> || - || - || -
|-
! rowspan=1 style="writing-mode: vertical-rl;" scope="row" |[[Cèšèª/æšæºã©ã€ãã©ãª/æ°åŠ#æµ®åå°æ°ç¹ä¹ç®å ç®|æµ®åå°æ°ç¹ä¹ç®å ç®]]
! scope="row" |<code>fma</code>
|<code>fmaf</code>||<code>fma</code>||<code>fmal</code> || - || - || -
|-
! rowspan=5 style="writing-mode: vertical-rl;" scope="row" |[[Cèšèª/æšæºã©ã€ãã©ãª/è€çŽ æ°èšç®#颿°ã®æŠèŠ|è€çŽ æ°æäœ]]
! scope="row" |<code>carg</code>
| - || - || - ||<code>cargf</code>||<code>carg</code>||<code>cargl</code>
|-
! scope="row" |<code>conj</code>
| - || - || - ||<code>conjf</code>||<code>conj</code>||<code>conjl</code>
|-
! scope="row" |<code>creal</code>
| - || - || - ||<code>crealf</code>||<code>creal</code>||<code>creall</code>
|-
! scope="row" |<code>cimag</code>
| - || - || - ||<code>cimagf</code>||<code>cimag</code>||<code>cimagl</code>
|-
! scope="row" |<code>cproj</code>
| - || - || - ||<code>cprojf</code>||<code>cproj</code>||<code>cprojl</code>
|}
== åãžã§ããªãã¯åŒ ==
ISO/IEC 9899:2011(C11)ã§ãããŒã¯ãŒã _Generic ãå°å
¥ãããŸãã<ref name="jtc1-sc22-wg14-n1570-6.5.1.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page=68, §6.5.1.1 ''Generic selection''
| publisher=ISO/IEC}}</ref>ã
_Generic ã¯ãåãžã§ããªãã¯åŒãå®çŸããããã®ãã®ã§ãC++ã®ãªãŒããŒããŒãã®æ§ã«åŒæ°ã®åã«ãã£ãŠåŠçãéžæããŸãã
æ§æ
_Generic( åŒ, å: å€, å: å€, å: å€, ... å: å€)
åãžã§ããªãã¯åŒã¯ãäžãããããåŒããšäžèŽããåã«å¯Ÿå¿ããå€ãåããŸãã
ç¹å¥ãªãåããšã㊠default ããããä»ã®å
šãŠã®åã«äžèŽããªãã£ãå Žåã« default ã«å¯Ÿå¿ããå€ãåããŸãã
_Generic ã®äœ¿çšäŸïŒC11ïŒWG14/N1570 Committee Draft ISO/IEC.p.68, §6.5.1.1 ''Generic selection''.ããæç²<ref name="jtc1-sc22-wg14-n1570-6.5.1.1"/>ïŒ
<syntaxhighlight lang="c">
#define cbrt(X) _Generic((X), \
long double: cbrtl, \
default: cbrt, \
float: cbrtf \
)(X)
</syntaxhighlight>
crrt()ã¯ãç«æ¹æ ¹ïŒcube rootïŒãè¿ã颿°ã§ãããåŒæ°ã®çš®é¡ã«ãã£ãŠã
<syntaxhighlight lang="c">
double cbrt(double x);
float cbrtf(float x);
long double cbrtl(long double x);
</syntaxhighlight>
ã®3ã€ã®ããªãšãŒã·ã§ã³ããããŸãã
ãã®äŸã§ç€ºãããåç·ç§°ãã¯ãcbrt()ã§ã¯ã_Generic() ã§æž¡ãããä»®åŒæ° X ã«ãã£ãŠåŒã³åºã颿°ãåãæ¿ããŠããŸãã
å®éã®ããã°ã©ã ã§ããã®ãã¯ãã䜿ã£ãŠè©ŠããŠã¿ãŸãããã
; [https://paiza.io/projects/5SFrSFHrrjy0bWWP9eHtLQ?language=c ã³ãŒãäŸ]
:<syntaxhighlight lang="c">
#include <stdio.h>
#include <math.h>
#include <complex.h>
#define cbrt(X) _Generic((X), \
long double: cbrtl, \
default: cbrt, \
float: cbrtf \
)(X)
int main()
{
printf("%32.30f\n", cbrt(2.0f));
printf("%32.30f\n", cbrt(2.0));
printf("%32.30Lf\n", cbrt(2.0L));
}
</syntaxhighlight>
; çµæ
:<syntaxhighlight lang="text">
1.259921073913574218750000000000
1.259921049894873190666544360283
1.259921049894873164754112437880
</syntaxhighlight>
== èèš» ==
<references/>
== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
* æ¥æ¬å·¥æ¥æšæºèª¿æ»äŒïŒåœæãçŸïŒæ¥æ¬ç£æ¥æšæºèª¿æ»äŒïŒãJISX3010 ããã°ã©ã èšèªïŒ£ã2003幎12æ20æ¥æ¹æ£
[[Category:Cèšèª|tgmath.h]] | null | 2021-08-28T07:54:04Z | [
"ãã³ãã¬ãŒã:ã¹ã¿ã",
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Cite book"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/tgmath.h |
32,183 | Minecraft/èŠå¡ | èŠå¡ã¯ããªãŒããŒã¯ãŒã«ãã«çæãããæ§é ç©ã§ãã
èŠå¡ã¯ãå»åãšåãããã«ããªãŒããŒã¯ãŒã«ãã®å°äžã«çæãããæ§é ç©ã§ããèŠå¡ã¯ãç³ã¬ã³ã¬ãã²ã³å²ããç³ã¬ã³ã¬ãèãããç³ã¬ã³ã¬ã§æ§æãããŠããŸããèŠå¡ã¯ããšã³ããŒã¢ã€ãæããéã«ãé£ãã§ããæ¹åã«è¡ãããããŠå°äžã«è¡ããããã¯æãããšã§ãèŠã€ããããšãã§ããŸããèŠå¡ã«ã¯ãéè·¯ã峿žå®€ãååŒã®éãªã©ããããããããã«ãããã§ã¹ãã®äžèº«ãç°ãªããŸããååŒã®éã«ã¯ãã·ã«ããŒãã£ãã·ã¥ã®ã¹ãããŒãããã·ã«ããŒãã£ãã·ã¥ãã¹ããŒã³ããã»ããè«é£ãã®ç³ã¬ã³ã¬ãããã¹ããŒã³ããŸãã
ååŒã®éã«ã¯ãšã³ãããŒã¿ã«ããããŸãããšã³ãããŒã¿ã«ã«ã¯ãããã€ããšã³ããŒã¢ã€ãã¯ãããŸããŠããŸãããšã³ãããŒã¿ã«ã®æ ã«å
šãŠãšã³ããŒã¢ã€ãã¯ããããšããšã³ãããŒã¿ã«ãèµ·åãããã£ã¡ã³ã·ã§ã³ã§ãããžã»ãšã³ãã«è¡ãããšãã§ããŸãã | [
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"paragraph_id": 0,
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"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "èŠå¡ã¯ãå»åãšåãããã«ããªãŒããŒã¯ãŒã«ãã®å°äžã«çæãããæ§é ç©ã§ããèŠå¡ã¯ãç³ã¬ã³ã¬ãã²ã³å²ããç³ã¬ã³ã¬ãèãããç³ã¬ã³ã¬ã§æ§æãããŠããŸããèŠå¡ã¯ããšã³ããŒã¢ã€ãæããéã«ãé£ãã§ããæ¹åã«è¡ãããããŠå°äžã«è¡ããããã¯æãããšã§ãèŠã€ããããšãã§ããŸããèŠå¡ã«ã¯ãéè·¯ã峿žå®€ãååŒã®éãªã©ããããããããã«ãããã§ã¹ãã®äžèº«ãç°ãªããŸããååŒã®éã«ã¯ãã·ã«ããŒãã£ãã·ã¥ã®ã¹ãããŒãããã·ã«ããŒãã£ãã·ã¥ãã¹ããŒã³ããã»ããè«é£ãã®ç³ã¬ã³ã¬ãããã¹ããŒã³ããŸãã",
"title": "ãã®æ§é ç©ã«ã€ããŠ"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ååŒã®éã«ã¯ãšã³ãããŒã¿ã«ããããŸãããšã³ãããŒã¿ã«ã«ã¯ãããã€ããšã³ããŒã¢ã€ãã¯ãããŸããŠããŸãããšã³ãããŒã¿ã«ã®æ ã«å
šãŠãšã³ããŒã¢ã€ãã¯ããããšããšã³ãããŒã¿ã«ãèµ·åãããã£ã¡ã³ã·ã§ã³ã§ãããžã»ãšã³ãã«è¡ãããšãã§ããŸãã",
"title": "ãžã»ãšã³ããžã®è¡ãæ¹"
}
]
| èŠå¡ã¯ããªãŒããŒã¯ãŒã«ãã«çæãããæ§é ç©ã§ãã | èŠå¡ã¯ã[[Minecraft/ãªãŒããŒã¯ãŒã«ã|ãªãŒããŒã¯ãŒã«ã]]ã«çæãããæ§é ç©ã§ãã[[Category:Minecraft]]
==ãã®æ§é ç©ã«ã€ããŠ==
èŠå¡ã¯ã[[Minecraft/å»å|å»å]]ãšåãããã«ããªãŒããŒã¯ãŒã«ãã®å°äžã«çæãããæ§é ç©ã§ããèŠå¡ã¯ãç³ã¬ã³ã¬ãã²ã³å²ããç³ã¬ã³ã¬ãèãããç³ã¬ã³ã¬ã§æ§æãããŠããŸããèŠå¡ã¯ããšã³ããŒã¢ã€ãæããéã«ãé£ãã§ããæ¹åã«è¡ãããããŠå°äžã«è¡ããããã¯æãããšã§ãèŠã€ããããšãã§ããŸããèŠå¡ã«ã¯ãéè·¯ã峿žå®€ãååŒã®éãªã©ããããããããã«ãããã§ã¹ãã®äžèº«ãç°ãªããŸããååŒã®éã«ã¯ã[[Minecraft/ã·ã«ããŒãã£ãã·ã¥|ã·ã«ããŒãã£ãã·ã¥]]ã®ã¹ãããŒãããã·ã«ããŒãã£ãã·ã¥ãã¹ããŒã³ããã»ããè«é£ãã®ç³ã¬ã³ã¬ãããã¹ããŒã³ããŸãã
==ãžã»ãšã³ããžã®è¡ãæ¹==
ååŒã®éã«ã¯ãšã³ãããŒã¿ã«ããããŸãããšã³ãããŒã¿ã«ã«ã¯ãããã€ããšã³ããŒã¢ã€ãã¯ãããŸããŠããŸãããšã³ãããŒã¿ã«ã®æ ã«å
šãŠãšã³ããŒã¢ã€ãã¯ããããšããšã³ãããŒã¿ã«ãèµ·åãããã£ã¡ã³ã·ã§ã³ã§ãã[[Minecraft/ãžã»ãšã³ã|ãžã»ãšã³ã]]ã«è¡ãããšãã§ããŸãã | null | 2021-08-01T16:15:33Z | []
| https://ja.wikibooks.org/wiki/Minecraft/%E8%A6%81%E5%A1%9E |
32,185 | Minecraft/ã·ãŒãå€ | ãã€ã³ã¯ã©ããã§ã¯ãã¯ãŒã«ããäœæããéã«ãã·ãŒãå€ãå
¥åã§ããŸãã
ã·ãŒãå€ãšã¯ããã€ã³ã¯ã©ããã®ã¯ãŒã«ããçæããããã®å€(æ°å€)ã®ããšã§ããã¯ãŒã«ããäœæããéãã·ãŒãå€ãå
¥åãããšããã®å€ã®ã¯ãŒã«ããçæãããŸãããã®ãããå¥ã®ã¯ãŒã«ããäœæããéã«ãåãå€ã䜿ãããšã§ãå
šãåãã¯ãŒã«ããçæããããšãã§ããŸããã·ãŒãå€ãæå®ããã«ã¯ãŒã«ããäœæããå Žåãã·ãŒãå€ã®å€ãã©ã³ãã ã«ãªããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ãã€ã³ã¯ã©ããã§ã¯ãã¯ãŒã«ããäœæããéã«ãã·ãŒãå€ãå
¥åã§ããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ã·ãŒãå€ãšã¯ããã€ã³ã¯ã©ããã®ã¯ãŒã«ããçæããããã®å€(æ°å€)ã®ããšã§ããã¯ãŒã«ããäœæããéãã·ãŒãå€ãå
¥åãããšããã®å€ã®ã¯ãŒã«ããçæãããŸãããã®ãããå¥ã®ã¯ãŒã«ããäœæããéã«ãåãå€ã䜿ãããšã§ãå
šãåãã¯ãŒã«ããçæããããšãã§ããŸããã·ãŒãå€ãæå®ããã«ã¯ãŒã«ããäœæããå Žåãã·ãŒãå€ã®å€ãã©ã³ãã ã«ãªããŸãã",
"title": "ã·ãŒãå€ã«ã€ããŠ"
}
]
| ãã€ã³ã¯ã©ããã§ã¯ãã¯ãŒã«ããäœæããéã«ãã·ãŒãå€ãå
¥åã§ããŸãã | ãã€ã³ã¯ã©ããã§ã¯ãã¯ãŒã«ããäœæããéã«ãã·ãŒãå€ãå
¥åã§ããŸãã[[Category:Minecraft]]
==ã·ãŒãå€ã«ã€ããŠ==
ã·ãŒãå€ãšã¯ããã€ã³ã¯ã©ããã®ã¯ãŒã«ããçæããããã®å€ïŒæ°å€ïŒã®ããšã§ããã¯ãŒã«ããäœæããéãã·ãŒãå€ãå
¥åãããšããã®å€ã®ã¯ãŒã«ããçæãããŸãããã®ãããå¥ã®ã¯ãŒã«ããäœæããéã«ãåãå€ã䜿ãããšã§ãå
šãåãã¯ãŒã«ããçæããããšãã§ããŸããã·ãŒãå€ãæå®ããã«ã¯ãŒã«ããäœæããå Žåãã·ãŒãå€ã®å€ãã©ã³ãã ã«ãªããŸãã | null | 2021-08-01T18:30:09Z | []
| https://ja.wikibooks.org/wiki/Minecraft/%E3%82%B7%E3%83%BC%E3%83%89%E5%80%A4 |
32,191 | Cèšèª/æšæºã©ã€ãã©ãª/stdalign.h | ãªããžã§ã¯ãã®ã¢ã©ã€ã¡ã³ãã®åãåãããšæå®ãããããã«ã¯ãããããŒ<stdalign.h> ãã€ã³ã¯ã«ãŒãããŸãã
<stdalign.h> ã§ã¯ã4ã€ã®ãã¯ããå®çŸ©ãããŸãã
_alignas_is_defined ãš _alignof_is_defined ã¯ã#if ååŠçãã£ã¬ã¯ãã£ãã§ã®äœ¿çšã«é©ããŠããŸãã
alignas()ã¯ã倿°ã宣èšããã«ãããã¢ã©ã€ã¡ã³ãããã€ãåäœã§æå®ããŸãã
alignof() ã¯ãæå®ããåãèŠæ±ããã¢ã©ã€ã¡ã³ãã size_t ã§è¿ããŸãã
alignasåæå®å(ããŒã¯ãŒã_Alignas)ãalignofæŒç®å(ããŒã¯ãŒã_Alignof)ãããããŒ<stdalign.h>ãISO/IEC 9899:2011ã§è¿œå ãããŸããã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ãªããžã§ã¯ãã®ã¢ã©ã€ã¡ã³ãã®åãåãããšæå®ãããããã«ã¯ãããããŒ<stdalign.h> ãã€ã³ã¯ã«ãŒãããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "<stdalign.h> ã§ã¯ã4ã€ã®ãã¯ããå®çŸ©ãããŸãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "_alignas_is_defined ãš _alignof_is_defined ã¯ã#if ååŠçãã£ã¬ã¯ãã£ãã§ã®äœ¿çšã«é©ããŠããŸãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "alignas()ã¯ã倿°ã宣èšããã«ãããã¢ã©ã€ã¡ã³ãããã€ãåäœã§æå®ããŸãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "alignof() ã¯ãæå®ããåãèŠæ±ããã¢ã©ã€ã¡ã³ãã size_t ã§è¿ããŸãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "alignasåæå®å(ããŒã¯ãŒã_Alignas)ãalignofæŒç®å(ããŒã¯ãŒã_Alignof)ãããããŒ<stdalign.h>ãISO/IEC 9899:2011ã§è¿œå ãããŸããã",
"title": "æŽå²"
}
]
| ãªããžã§ã¯ãã®ã¢ã©ã€ã¡ã³ãã®åãåãããšæå®ãããããã«ã¯ãããããŒ<stdalign.h> ãã€ã³ã¯ã«ãŒãããŸãã | {{Nav}}
ãªããžã§ã¯ãã®ã¢ã©ã€ã¡ã³ãã®åãåãããšæå®ãããããã«ã¯ãããããŒ<code><stdalign.h></code> ãã€ã³ã¯ã«ãŒãããŸã<ref name="jtc1-sc22-wg14-n1570-7.15">{{cite book | url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf | title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x | at=p.268, §7.15 ''Alignment <stdalign.h>'' | publisher=ISO/IEC}}</ref>ã
== ãã¯ã ==
<code><stdalign.h></code> ã§ã¯ã4ã€ã®ãã¯ããå®çŸ©ãããŸãã
; alignas
: ããŒã¯ãŒã <code>_Alignas</code> ã«å±éãããŸãã
; alignof
: ããŒã¯ãŒã <code>_Alignof</code> ã«å±éãããŸãã
; _alignas_is_defined
: æŽæ°ã®å®æ°1ã«å±éãããŸãã
; _alignas_is_defined
: æŽæ°ã®å®æ°1ã«å±éãããŸãã
<code>_alignas_is_defined</code> ãš <code>_alignof_is_defined</code> ã¯ã<code>#if</code> ååŠçãã£ã¬ã¯ãã£ãã§ã®äœ¿çšã«é©ããŠããŸãã
=== alignas ===
<code>alignas()</code>ã¯ã倿°ã宣èšããã«ãããã¢ã©ã€ã¡ã³ãããã€ãåäœã§æå®ããŸã<ref name="jtc1-sc22-wg14-n1570-6.2.8">{{cite book | url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf | title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x | at=p.48, §6.2.8 ''Alignment of objects'' | publisher=ISO/IEC}}</ref><ref name="jtc1-sc22-wg14-n1570-6.7.5">{{cite book | url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf | title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x | at=p.127, §6.7.5 ''Alignment specifier'' | publisher=ISO/IEC}}</ref>ã
; äŸ
:<syntaxhighlight lang=c>
#include <stdalign.h>
#include <stdio.h>
int main(void) {
alignas(65536) int i;
alignas(256) int j;
int k;
printf("iã®ã¢ãã¬ã¹ã¯%p\n", &i);
printf("jã®ã¢ãã¬ã¹ã¯%p\n", &j);
printf("kã®ã¢ãã¬ã¹ã¯%p\n", &k);
return 0;
}
</syntaxhighlight>
; çµæ
:<syntaxhighlight lang=text>
iã®ã¢ãã¬ã¹ã¯0x7ffffffe0000
jã®ã¢ãã¬ã¹ã¯0x7ffffffeff00
kã®ã¢ãã¬ã¹ã¯0x7ffffffeffec
</syntaxhighlight>
=== alignof ===
<code>alignof()</code> ã¯ãæå®ããåãèŠæ±ããã¢ã©ã€ã¡ã³ãã <code>size_t</code> ã§è¿ããŸã<ref name="jtc1-sc22-wg14-n1570-6.2.8" /><ref name="jtc1-sc22-wg14-n1570-6.7.5" />ã
; äŸ
:<syntaxhighlight lang=c>
#include <stdalign.h>
#include <stdio.h>
int main(void) {
printf("charã®ã¢ã©ã€ã³ã¡ã³ãèŠä»¶ã¯%zuã\n", alignof(char));
printf("intã®ã¢ã©ã€ã³ã¡ã³ãèŠä»¶ã¯%zuã\n", alignof(int));
printf("floatã®ã¢ã©ã€ã³ã¡ã³ãèŠä»¶ã¯%zuã\n", alignof(float));
printf("doubleã®ã¢ã©ã€ã³ã¡ã³ãèŠä»¶ã¯%zuã\n", alignof(double));
return 0;
}
</syntaxhighlight>
; çµæ
:<syntaxhighlight lang=text>
charã®ã¢ã©ã€ã³ã¡ã³ãèŠä»¶ã¯1ã
intã®ã¢ã©ã€ã³ã¡ã³ãèŠä»¶ã¯4ã
floatã®ã¢ã©ã€ã³ã¡ã³ãèŠä»¶ã¯4ã
doubleã®ã¢ã©ã€ã³ã¡ã³ãèŠä»¶ã¯8ã
</syntaxhighlight>
== æŽå² ==
alignasåæå®åïŒããŒã¯ãŒã_AlignasïŒãalignofæŒç®åïŒããŒã¯ãŒã_AlignofïŒãããããŒ<code><stdalign.h></code>ãISO/IEC 9899:2011ã§è¿œå ãããŸãã<ref name="jtc1-sc22-wg14-n1570-7.15" />ã
== èèš» ==
<references />
== é¢é£é
ç® ==
* [[C++/ããŒã¯ãŒã]] -- alignas ãš alignofã¯ã[[C++]]ã®ããŒã¯ãŒãã§ãã
* [[Cèšèª/æšæºã©ã€ãã©ãª/stdlib.h#aligned alloc颿°|Cèšèª/æšæºã©ã€ãã©ãª/äžè¬ãŠãŒãã£ãªãã£#aligned_alloc颿°]] -- <code>aligned_alloc</code>ã¯ã¢ã©ã€ã¡ã³ãé¢é£ã§ãããããããŒ<code><stdlib.h></code>ã§å®£èšãããŸãã
== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
[[Category:Cèšèª|stdalign.h]] | null | 2021-08-28T07:15:15Z | [
"ãã³ãã¬ãŒã:Cite book",
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/stdalign.h |
32,199 | Cèšèª/æšæºã©ã€ãã©ãª/assert.h | ããããŒ<assert.h>ã§ã¯ããã¯ã assert ãå®çŸ©ããŠããŸãã ãã®ãã¯ãã¯ãããã°ã©ã ãè¡ãä»®å®ãæ€èšŒãããã®ä»®å®ãééã£ãŠããå Žåã«èšºæã¡ãã»ãŒãžã衚瀺ããããã«äœ¿çšããããšãã§ããŸãã
å®è¡ãããšãåŒãåœ(ã€ãŸã0ã«çããæ¯èŒ)ã®å Žåãassertã¯stderrã«å€±æããåŒã³åºãã®æ
å ±ãæžã蟌ã¿ããã®åŸabort()ãåŒã³åºããŸãã stderrã«æžã蟌ãŸããæ
å ±ã«ã¯ä»¥äžãå«ãŸããŸãã
ããã°ã©ãã¯ãœãŒã¹ã³ãŒãã倿Žããããšãªãã¢ãµãŒã·ã§ã³ãæé€ããããšãã§ããŸãã ãã¯ã NDEBUG ã <assert.h> ã®ã€ã³ã¯ã«ãŒãåã«å®çŸ©ãããŠããå Žåãassert ãã¯ãã¯åã«æ¬¡ã®ããã«å®çŸ©ãããŸãã
ã®ããã«å®çŸ©ãããŠãããããããã°ã©ã ã«ã¯äœã®åœ±é¿ãäžããããã®åŒæ°ãè©äŸ¡ããããšããããŸããããããã£ãŠãassertã«æž¡ãããåŒã¯ããããã°ãç¡å¹ãªãšãã«ã¯èµ·ãããªãã®ã§ãå¯äœçšããå«ãŸãªãããã®ã§ãªããã°ãªããŸãããäŸãã°ã以äžã®ããã«ãªããŸãã
ã¯ããããã°ãç¡å¹ã®å Žåã«ã¯è¡ãèªã¿èŸŒãŸã x ã«å€ã代å
¥ããŸããã
ISO/IEC 9899:2017 § 7.2.1.1 The assert macroã
_Static_assert ã¯ãã³ã³ãã€ã«æã«ç¢ºå®ãããåŒã«å¯Ÿããã¢ãµãŒã·ã§ã³ã§ãã
C99èŠæ Œã§ã¯ãããããŒassert.hã§é¢æ°ã宣èšããå¿
èŠã¯ãããŸããã
assertãã¯ãã®å®çŸ©ã¯ãããããŒassert.hã§å®çŸ©ãããŠããªãNDEBUGãšãããã¯ãã®ç¶æ
ã«äŸåããã ãã¯ã NDEBUG ã¯ããããã°æ
å ±ã䜿çšããªãããšã瀺ãã NDEBUGãå®çŸ©ãããŠããå Žåãassertã¯äœãããªã(åŒæ°ã®è©äŸ¡ãããªã)åŒãšããŠå®çŸ©ãããã ãã以å€ã®å Žåãassertã¯ãã¹ãããåŒãåœã®å Žåã«ãããã°æ
å ±ã衚瀺ããã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ããããŒ<assert.h>ã§ã¯ããã¯ã assert ãå®çŸ©ããŠããŸãã ãã®ãã¯ãã¯ãããã°ã©ã ãè¡ãä»®å®ãæ€èšŒãããã®ä»®å®ãééã£ãŠããå Žåã«èšºæã¡ãã»ãŒãžã衚瀺ããããã«äœ¿çšããããšãã§ããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "å®è¡ãããšãåŒãåœ(ã€ãŸã0ã«çããæ¯èŒ)ã®å Žåãassertã¯stderrã«å€±æããåŒã³åºãã®æ
å ±ãæžã蟌ã¿ããã®åŸabort()ãåŒã³åºããŸãã stderrã«æžã蟌ãŸããæ
å ±ã«ã¯ä»¥äžãå«ãŸããŸãã",
"title": ""
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ããã°ã©ãã¯ãœãŒã¹ã³ãŒãã倿Žããããšãªãã¢ãµãŒã·ã§ã³ãæé€ããããšãã§ããŸãã ãã¯ã NDEBUG ã <assert.h> ã®ã€ã³ã¯ã«ãŒãåã«å®çŸ©ãããŠããå Žåãassert ãã¯ãã¯åã«æ¬¡ã®ããã«å®çŸ©ãããŸãã",
"title": ""
},
{
"paragraph_id": 3,
"tag": "p",
"text": "ã®ããã«å®çŸ©ãããŠãããããããã°ã©ã ã«ã¯äœã®åœ±é¿ãäžããããã®åŒæ°ãè©äŸ¡ããããšããããŸããããããã£ãŠãassertã«æž¡ãããåŒã¯ããããã°ãç¡å¹ãªãšãã«ã¯èµ·ãããªãã®ã§ãå¯äœçšããå«ãŸãªãããã®ã§ãªããã°ãªããŸãããäŸãã°ã以äžã®ããã«ãªããŸãã",
"title": ""
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ã¯ããããã°ãç¡å¹ã®å Žåã«ã¯è¡ãèªã¿èŸŒãŸã x ã«å€ã代å
¥ããŸããã",
"title": ""
},
{
"paragraph_id": 5,
"tag": "p",
"text": "",
"title": "ãã¯ã"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.2.1.1 The assert macroã",
"title": "ãã¯ã"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "_Static_assert ã¯ãã³ã³ãã€ã«æã«ç¢ºå®ãããåŒã«å¯Ÿããã¢ãµãŒã·ã§ã³ã§ãã",
"title": "éçã¢ãµãŒã·ã§ã³"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "C99èŠæ Œã§ã¯ãããããŒassert.hã§é¢æ°ã宣èšããå¿
èŠã¯ãããŸããã",
"title": "颿°"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "assertãã¯ãã®å®çŸ©ã¯ãããããŒassert.hã§å®çŸ©ãããŠããªãNDEBUGãšãããã¯ãã®ç¶æ
ã«äŸåããã ãã¯ã NDEBUG ã¯ããããã°æ
å ±ã䜿çšããªãããšã瀺ãã NDEBUGãå®çŸ©ãããŠããå Žåãassertã¯äœãããªã(åŒæ°ã®è©äŸ¡ãããªã)åŒãšããŠå®çŸ©ãããã ãã以å€ã®å Žåãassertã¯ãã¹ãããåŒãåœã®å Žåã«ãããã°æ
å ±ã衚瀺ããã",
"title": "泚æç¹"
}
]
| ããããŒ<assert.h>ã§ã¯ããã¯ã assert ãå®çŸ©ããŠããŸãã ãã®ãã¯ãã¯ãããã°ã©ã ãè¡ãä»®å®ãæ€èšŒãããã®ä»®å®ãééã£ãŠããå Žåã«èšºæã¡ãã»ãŒãžã衚瀺ããããã«äœ¿çšããããšãã§ããŸãã å®è¡ãããšãåŒãåœïŒã€ãŸã0ã«çããæ¯èŒïŒã®å Žåãassertã¯stderrã«å€±æããåŒã³åºãã®æ
å ±ãæžã蟌ã¿ããã®åŸabortãåŒã³åºããŸãã stderrã«æžã蟌ãŸããæ
å ±ã«ã¯ä»¥äžãå«ãŸããŸãã ãœãŒã¹ãã¡ã€ã«å
ãœãŒã¹ã®è¡æ°
ãœãŒã¹ã®é¢æ° (C99ã§è¿œå )
0ãšè©äŸ¡ãããåŒã®ããã¹ã | {{Nav}}
ããããŒ<code><assert.h></code>ã§ã¯ããã¯ã <code>assert</code> ãå®çŸ©ããŠããŸãã ãã®ãã¯ãã¯ãããã°ã©ã ãè¡ãä»®å®ãæ€èšŒãããã®ä»®å®ãééã£ãŠããå Žåã«èšºæã¡ãã»ãŒãžã衚瀺ããããã«äœ¿çšããããšãã§ããŸãã
å®è¡ãããšãåŒãåœïŒã€ãŸã0ã«çããæ¯èŒïŒã®å Žåã<code>assert</code>ã¯<code>stderr</code>ã«å€±æããåŒã³åºãã®æ
å ±ãæžã蟌ã¿ããã®åŸ<code>abort()</code>ãåŒã³åºããŸãã <code>stderr</code>ã«æžã蟌ãŸããæ
å ±ã«ã¯ä»¥äžãå«ãŸããŸãã
* ãœãŒã¹ãã¡ã€ã«å (å®çŸ©æžã¿ã®ãã¯ã <code>__FILE__</code>)
* ãœãŒã¹ã®è¡æ° (å®çŸ©æžã¿ãã¯ã <code>__LINE__</code>)
* ãœãŒã¹ã®é¢æ° (å®çŸ©æžã¿ã®èå¥å <code>__func__</code>) (C99ã§è¿œå )
* 0ãšè©äŸ¡ãããåŒã®ããã¹ã
; [https://paiza.io/projects/zmVeCiHxK7w2gRycNJuCpw?language=c ã³ãŒãäŸ]
:<syntaxhighlight lang="c">
#include <assert.h>
int main(void)
{
assert(0);
}
</syntaxhighlight>
;å®è¡çµæ
:<syntaxhighlight lang="text">
Main: Main.c:5: int main(void): Assertion `0' failed.
</syntaxhighlight>
__TOC__
=== ãã¯ã NDEBUG ã®äœ¿çš ===
ããã°ã©ãã¯ãœãŒã¹ã³ãŒãã倿Žããããšãªãã¢ãµãŒã·ã§ã³ãæé€ããããšãã§ããŸãã
ãã¯ã NDEBUG ã <code><assert.h></code> ã®ã€ã³ã¯ã«ãŒãåã«å®çŸ©ãããŠããå Žåã<code>assert</code> ãã¯ãã¯åã«æ¬¡ã®ããã«å®çŸ©ãããŸãã
<syntaxhighlight lang="c">
#define assert(ignore)((void) 0)
</syntaxhighlight>
ã®ããã«å®çŸ©ãããŠãããããããã°ã©ã ã«ã¯äœã®åœ±é¿ãäžããããã®åŒæ°ãè©äŸ¡ããããšããããŸããããããã£ãŠã<code>assert</code>ã«æž¡ãããåŒã¯ããããã°ãç¡å¹ãªãšãã«ã¯èµ·ãããªãã®ã§ãå¯äœçšããå«ãŸãªãããã®ã§ãªããã°ãªããŸãããäŸãã°ã以äžã®ããã«ãªããŸãã
<syntaxhighlight lang="c">
assert(x = gets())
</syntaxhighlight>
ã¯ããããã°ãç¡å¹ã®å Žåã«ã¯è¡ãèªã¿èŸŒãŸã <var>x</var> ã«å€ã代å
¥ããŸããã
== ãã¯ã ==
{{Anchors|assert颿°|assert}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
=== assertãã¯ã ===
ISO/IEC 9899:2017 § 7.2.1.1 ''The assert macro''<ref name="jtc1-sc22-wg14-n2596-7.2.1.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 135, §assert ''''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <assert.h>
void assert(scalar expression);
</syntaxhighlight>
; æ©èœ
: assert ãã¯ãã¯ãããã°ã©ã ã«èšºæãã¹ããè¡ããã®ã§ãvoid åŒã«å±éãããŸãã<!--
-->ãã®ãã¯ããå®è¡ããããšãexpressionïŒã¹ã«ã©ãŒåã§ãªããã°ãªããªãïŒãfalseïŒã€ãŸã0ãšæ¯èŒãããïŒã®å Žåãassertãã¯ãã¯å€±æããç¹å®ã®åŒã³åºãã«é¢ããæ
å ±ïŒåŒæ°ã®ããã¹ãããœãŒã¹ãã¡ã€ã«ã®ååããœãŒã¹è¡çªå·ãå
å«ãã颿°ã®ååïŒåŸè
ã¯ããããååŠçãã¯ã__FILE__ã__LINE__ããã³èå¥å__func__ã®å€ïŒãå«ãïŒããå®è£
ã§å®çŸ©ããã圢åŒã§æšæºãšã©ãŒã¹ããªãŒã ã«æžã蟌ã¿ãŸãã<!--
2 The assert macro puts diagnostic tests into programs; it expands to a void expression. When it
is executed, if expression (which shall have a scalar type) is false (that is, compares equal to 0),the assert macro writes information about the particular call that failed (including the text of the argument, the name of the source file, the source line number, and the name of the enclosing function the latter are respectively the values of the preprocessing macros __FILE__ and __LINE__ and of the identifier __func__) on the standard error stream in an implementation-defined format.195) It then calls the abort function.-->
; è¿åŽå€
: assertãã¯ãã¯å€ãè¿ããŸããã<!--
3 The assert macro returns no value. -->
{{See also| [[../stdlib.h#abort颿° | abort颿°<stdlib.h>]] }}
=== static_assertãã¯ã ===
; static_assert : ããŒã¯ãŒã _Static_assert ã«å±éãããŸãã
== éçã¢ãµãŒã·ã§ã³ ==
_Static_assert ã¯ãã³ã³ãã€ã«æã«ç¢ºå®ãããåŒã«å¯Ÿããã¢ãµãŒã·ã§ã³ã§ã<ref name="jtc1-sc22-wg14-n1570-6.7.10">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title = N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page = 145,§ 6.7.10 ''Static assertions''
| publisher = ISO/IEC
| date = 2011-04-12 }}</ref>ã
; 圢åŒ
:<syntaxhighlight lang="C">
_Static_assert ( constant-expression , string-literal ) ;
</syntaxhighlight>
;å¶çŽäºé
:constant-expressionã¯ã0ãšæ¯èŒããŠäžçã§ãªããã°ãªããªãã
;ã»ãã³ãã£ã¯ã¹
:宿°åŒã¯ãæŽæ°ã®å®æ°åŒã§ãªããã°ãªããªãã
:宿°åŒã®å€ã0ãšæ¯èŒããŠäžçã§ããã°ããã®å®£èšã¯äœã®å¹æããããŸããã
:ãã以å€ã®å Žåã¯å¶çŽã«éåããå®è£
ã¯æååãªãã©ã«ã®ããã¹ããå«ã蚺æã¡ãã»ãŒãžãçæããŸãã
:æååãªãã©ã«ã®ããã¹ããå«ã蚺æã¡ãã»ãŒãžãäœæããªããã°ãªããªãã
:ãã ããæåã»ããã«ãªãæåã¯ã¡ãã»ãŒãžã«è¡šç€ºããå¿
èŠã¯ãããŸããã
:C23ã§ã¯ãstring-literal ã¯çç¥å¯èœã§ãã
== 颿° ==
C99èŠæ Œã§ã¯ãããããŒ<code>assert.h</code>ã§é¢æ°ã宣èšããå¿
èŠã¯ãããŸããã
== 泚æç¹ ==
<code>[[Cèšèª/assert.h/assert|assert]]</code>ãã¯ãã®å®çŸ©ã¯ãããããŒ<code>assert.h</code>ã§å®çŸ©ãããŠããªã<code>NDEBUG</code>ãšãããã¯ãã®ç¶æ
ã«äŸåããã ãã¯ã <code>NDEBUG</code> ã¯ããããã°æ
å ±ã䜿çšããªãããšã瀺ãã <code>NDEBUG</code>ãå®çŸ©ãããŠããå Žåã<code>assert</code>ã¯äœãããªãïŒåŒæ°ã®è©äŸ¡ãããªãïŒåŒãšããŠå®çŸ©ãããã ãã以å€ã®å Žåã<code>assert</code>ã¯ãã¹ãããåŒãåœã®å Žåã«ãããã°æ
å ±ã衚瀺ããã
== èèš» ==
<references />
[[Category:Cèšèª|assert.h]] | null | 2021-08-31T12:46:51Z | [
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Anchors",
"ãã³ãã¬ãŒã:See also",
"ãã³ãã¬ãŒã:Cite book"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/assert.h |
32,200 | Cèšèª/æšæºã©ã€ãã©ãª/complex.h | ããã㌠<complex.h> ã«ã¯ãè€çŽ æ°æŒç®ããµããŒããããã¯ããšé¢æ°ãå®çŸ©ãããŠããŸãã
åã·ããã·ã¹ã¯ã1ã€ä»¥äžã® complex åã®åŒæ°ãš complex ãŸã㯠double ã®è¿å€ãæã€äž»é¢æ°ãããªã颿°ãã¡ããªãŒãæå®ããŸãã
åãååã§æ¥å°ŸèŸãfãšlã®ä»ã®é¢æ°ã¯ãfloat ãš long doubleã®åŒæ°ãšè¿å€ãæã€å¯Ÿå¿ãã颿°ã§ãã
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<complex.h> ã§ã¯ã以äžã®ãã¯ããå®çŸ©ãããŸãã
complexãimaginaryãI ã®ãã¯ããå
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äŸãã°ã黿°å·¥åŠåéã§ã¯ I ã¯é»æµã瀺ãå€çšãããããèæ°åäœã«ã¯ j ãçšãããã( s = j Ï {\displaystyle s=j\omega } ãªã©)ã
ISO/IEC 9899:2017 § 7.3.5 Trigonometric functions
ISO/IEC 9899:2017 § 7.3.5.1 The cacos functionsã
ISO/IEC 9899:2017 § 7.3.5.2 The casin functionsã
ISO/IEC 9899:2017 § 7.3.5.3 The catan functionsã
ISO/IEC 9899:2017 § 7.3.5.4 The ccos functionsã
ISO/IEC 9899:2017 § 7.3.5.5 The csin functionsã;åœ¢åŒ :
ISO/IEC 9899:2017 § 7.3.5.6 The ctan functionsã
ISO/IEC 9899:2017 § 7.3.6 Hyperbolic functions
ISO/IEC 9899:2017 § 7.3.6.1 The cacosh functionsã
ISO/IEC 9899:2017 § 7.3.6.2 The casinh functionsã
ISO/IEC 9899:2017 § 7.3.6.3 The catanh functionsã
ISO/IEC 9899:2017 § 7.3.6.4 The ccosh functionsã
ISO/IEC 9899:2017 § 7.3.6.5 The csinh functionsã
ISO/IEC 9899:2017 § 7.3.6.6 The ctanh functionsã
ISO/IEC 9899:2017 § 7.3.7 Exponential and logarithmic functions
ISO/IEC 9899:2017 § 7.3.7.1 The cexp functionsã
ISO/IEC 9899:2017 § 7.3.7.2 The clog functionsã
:clog颿°çŸ€ã¯ãè€çŽ èªç¶å¯Ÿæ°ã®å€ãè¿ããŸãããã®å€ã¯ãå®è»žã§ã¯æ°åŠçã«æçžãããŠããªãã¹ããªããã®ç¯å²ã§ãããè軞ã§ã¯åºé[-iÏ, +iÏ]ã®ç¯å²ã§ãã
ISO/IEC 9899:2017 § 7.3.8 Power and absolute-value functions
ISO/IEC 9899:2017 § 7.3.8.1 The cabs functionsã
of z.
ISO/IEC 9899:2017 § 7.3.8.2 The cpow functionsã
ISO/IEC 9899:2017 § 7.3.8.3 The csqrt functionsã
real axis.
(including the imaginary axis).
è€çŽ æ°ã®åè§ãèšç®ãã ISO/IEC 9899:2017 § 7.3.9.1 The carg functionsã
è€çŽ æ°ã®èæ°éšãè¿ããŸãã ISO/IEC 9899:2017 § 7.3.9.2 The cimag functionsã
CMPLXãã¯ã矀ã¯ãæå®ãããè€çŽ æ°åã®åŒã«å±éããã宿°éšã¯xã®(倿åŸã®)å€ãèæ°éšã¯yã®(倿åŸã®)å€ãšãªããŸãã çµæãšããŠåŸãããåŒã¯ãäž¡æ¹ã®åŒæ°ãåæ§ã«é©åã§ããå Žåã«ãéçãŸãã¯ã¹ã¬ããã¹ãã¬ãŒãžæéãæã€ãªããžã§ã¯ãã®ã€ãã·ã£ã©ã€ã¶ãŒãšããŠäœ¿çšããã®ã«é©ããŠãããã®ãšããŸãã
ISO/IEC 9899:2017 § 7.3.9.3 The CMPLX macrosã; 圢åŒ:
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±åœ¹ãèšç®ããŸãã ISO/IEC 9899:2017 § 7.3.9.4 The conj functionsã
ãªãŒãã³çé¢ãžã®è€çŽ æ°ã®æåœ±ãèšç®ããŸãã
ISO/IEC 9899:2017 § 7.3.9.5 The cproj functionsã; 圢åŒ:
è€çŽ æ°ã®å®æ°éšãè¿ããŸãã ISO/IEC 9899:2017 § 7.3.9.6 The creal functionsã | [
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ã§ã¯ errno ãèšå®ããããšãã§ããŸããå¿
é ã§ã¯ãããŸããã",
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(ãã¹ãŠã®IEC 60559ã®å®è£
ãå«ã)ã§ãAnnex Gã®ä»æ§ã«åŸã£ãŠããå ŽåããŒãã®ç¬Šå·ã¯åãå£ã®çåŽãšããçåŽãåºå¥ããã®ã§ãåãå£ãã©ã¡ããã®åŽããè¿ã¥ããšé¢æ°ã¯(ãã©ãŒãããã®å¶éãé€ããŠ)é£ç¶çã«ãªããŸããäŸãã°ãè² ã®å®è»žã«æ²¿ã£ãŠæåããããã«ãããæã€å¹³æ¹æ ¹é¢æ°ã®å Žåãèæ°éš+0ã®ã«ããã®äžéšã¯æ£ã®èæ°è»žã«å¯Ÿå¿ããèæ°éš-0ã®ã«ããã®äžéšã¯è² ã®èæ°è»žã«å¯Ÿå¿ããã",
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(é屿žFåç
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ã§ã¯ã颿°ãé£ç¶çã«ãªãããã«ã«ããããããã³ã°ããã 颿°ãé£ç¶çã«ãªãããã«åãå£ãåãã æèšåãã®æ¹åã«æ¥è¿ããããã«ã«ããããããã³ã°ããã(ããã§æå®ãããŠãã颿°ã®ãã©ã³ãã«ããã¯ã1ã€ã®æéã® çµç¹ã¯1ã€ã ãã§ã)ã äŸãã°ãå¹³æ¹æ ¹é¢æ°ã®å Žåãè² ã®å®è»žã«æ²¿ã£ãã«ããã®æéçµç¹ãåæèšåãã«åã£ãŠãããšãè² ã®å®è»žã«æ²¿ã£ãåãå£ã®æéã®çµç¹ãäžããåãå£ã«è¿ã¥ãããšãªããåãå£ã¯æ£ã®èæ°è»žã«åããŸãã",
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ãonã®å Žå)éåžžã®æ°åŒã蚱容ãããããšãå®è£
ã«ç¥ãããããã«äœ¿çšã§ããŸãã",
"title": "CX_LIMITED_RANGEãã©ã°ã"
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"text": "ãã®ãã©ã°ãã¯ãå€éšå®£èšã®å€åŽã§ããè€åæã®äžã®ãã¹ãŠã®æç€ºçãªå®£èšãæã®åã§ã䜿çšã§ããŸããå€éšå®£èšã®å€åŽã«ããå Žåããã©ã°ãã¯ãã®çºçããä»ã®CX_LIMITED_RANGEãã©ã°ãã«ééãããŸã§ããŸãã¯ç¿»èš³åäœãçµäºãããŸã§å¹åãçºæ®ããŸãã",
"title": "CX_LIMITED_RANGEãã©ã°ã"
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éšã§ã¯ããã©ã°ãã¯ãã®çºçæããå¥ã®CX_LIMITED_RANGEãã©ã°ãã«ééãããŸã§ããŸãã¯ç¿»èš³åäœãçµäºãããŸã§æå¹ã§ãã å¥ã®CX_LIMITED_RANGEãã©ã°ããçºçãããŸã§(å
¥ãåã«ãªã£ãè€åæã®äžãå«ã)ããŸãã¯è€åæãçµäºãããŸã§ãè€åæã®çµäºæã«ã¯ããã©ã°ãã®ç¶æ
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ã«æ»ããŸããè€åæã®çµäºæã«ã¯ããã©ã°ãã®ç¶æ
ã¯è€åæã®çŽåã®ç¶æ
ã«æ»ããŸãããã®ãã©ã°ããä»ã®æèã§äœ¿çšãããå Žåããã®åäœã¯ æªå®çŸ©ãšãªããŸãããã®ãã©ã°ãã®ããã©ã«ãã®ç¶æ
ã¯offã§ãã",
"title": "CX_LIMITED_RANGEãã©ã°ã"
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"text": "complexãimaginaryãI ã®ãã¯ããå
éšã®å€ãšå¹²æžããå Žåãã¢ããªã±ãŒã·ã§ã³ã¯ãã®å®çŸ©ãè§£é€ããããšãã§ããŸãã",
"title": "ãã¯ã"
},
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"tag": "p",
"text": "äŸãã°ã黿°å·¥åŠåéã§ã¯ I ã¯é»æµã瀺ãå€çšãããããèæ°åäœã«ã¯ j ãçšãããã( s = j Ï {\\displaystyle s=j\\omega } ãªã©)ã",
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},
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.5 Trigonometric functions",
"title": "颿°"
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{
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"tag": "p",
"text": "",
"title": "颿°"
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"tag": "p",
"text": "",
"title": "颿°"
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"text": "ISO/IEC 9899:2017 § 7.3.5.2 The casin functionsã",
"title": "颿°"
},
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"tag": "p",
"text": "",
"title": "颿°"
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"title": "颿°"
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"tag": "p",
"text": "",
"title": "颿°"
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"title": "颿°"
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"tag": "p",
"text": "",
"title": "颿°"
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"title": "颿°"
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"tag": "p",
"text": "",
"title": "颿°"
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{
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.5.6 The ctan functionsã",
"title": "颿°"
},
{
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.6 Hyperbolic functions",
"title": "颿°"
},
{
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"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 29,
"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.6.1 The cacosh functionsã",
"title": "颿°"
},
{
"paragraph_id": 30,
"tag": "p",
"text": "",
"title": "颿°"
},
{
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.6.2 The casinh functionsã",
"title": "颿°"
},
{
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"tag": "p",
"text": "",
"title": "颿°"
},
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.6.3 The catanh functionsã",
"title": "颿°"
},
{
"paragraph_id": 34,
"tag": "p",
"text": "",
"title": "颿°"
},
{
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.6.4 The ccosh functionsã",
"title": "颿°"
},
{
"paragraph_id": 36,
"tag": "p",
"text": "",
"title": "颿°"
},
{
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.6.5 The csinh functionsã",
"title": "颿°"
},
{
"paragraph_id": 38,
"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 39,
"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.6.6 The ctanh functionsã",
"title": "颿°"
},
{
"paragraph_id": 40,
"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.7 Exponential and logarithmic functions",
"title": "颿°"
},
{
"paragraph_id": 41,
"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 42,
"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.7.1 The cexp functionsã",
"title": "颿°"
},
{
"paragraph_id": 43,
"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 44,
"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.7.2 The clog functionsã",
"title": "颿°"
},
{
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"tag": "p",
"text": ":clog颿°çŸ€ã¯ãè€çŽ èªç¶å¯Ÿæ°ã®å€ãè¿ããŸãããã®å€ã¯ãå®è»žã§ã¯æ°åŠçã«æçžãããŠããªãã¹ããªããã®ç¯å²ã§ãããè軞ã§ã¯åºé[-iÏ, +iÏ]ã®ç¯å²ã§ãã",
"title": "颿°"
},
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"text": "ISO/IEC 9899:2017 § 7.3.8 Power and absolute-value functions",
"title": "颿°"
},
{
"paragraph_id": 47,
"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 48,
"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.8.1 The cabs functionsã",
"title": "颿°"
},
{
"paragraph_id": 49,
"tag": "p",
"text": "of z.",
"title": "颿°"
},
{
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"tag": "p",
"text": "",
"title": "颿°"
},
{
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.8.2 The cpow functionsã",
"title": "颿°"
},
{
"paragraph_id": 52,
"tag": "p",
"text": "",
"title": "颿°"
},
{
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.8.3 The csqrt functionsã",
"title": "颿°"
},
{
"paragraph_id": 54,
"tag": "p",
"text": "real axis.",
"title": "颿°"
},
{
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"tag": "p",
"text": "(including the imaginary axis).",
"title": "颿°"
},
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"paragraph_id": 56,
"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 57,
"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 58,
"tag": "p",
"text": "è€çŽ æ°ã®åè§ãèšç®ãã ISO/IEC 9899:2017 § 7.3.9.1 The carg functionsã",
"title": "颿°"
},
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"paragraph_id": 59,
"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 60,
"tag": "p",
"text": "è€çŽ æ°ã®èæ°éšãè¿ããŸãã ISO/IEC 9899:2017 § 7.3.9.2 The cimag functionsã",
"title": "颿°"
},
{
"paragraph_id": 61,
"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 62,
"tag": "p",
"text": "CMPLXãã¯ã矀ã¯ãæå®ãããè€çŽ æ°åã®åŒã«å±éããã宿°éšã¯xã®(倿åŸã®)å€ãèæ°éšã¯yã®(倿åŸã®)å€ãšãªããŸãã çµæãšããŠåŸãããåŒã¯ãäž¡æ¹ã®åŒæ°ãåæ§ã«é©åã§ããå Žåã«ãéçãŸãã¯ã¹ã¬ããã¹ãã¬ãŒãžæéãæã€ãªããžã§ã¯ãã®ã€ãã·ã£ã©ã€ã¶ãŒãšããŠäœ¿çšããã®ã«é©ããŠãããã®ãšããŸãã",
"title": "颿°"
},
{
"paragraph_id": 63,
"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.9.3 The CMPLX macrosã; 圢åŒ:",
"title": "颿°"
},
{
"paragraph_id": 64,
"tag": "p",
"text": "ãããã®ãã¯ãã¯ãããããå®è£
ãèæ°åããµããŒãããŠãããã®ããã«åäœãå®çŸ©ã¯ã",
"title": "颿°"
},
{
"paragraph_id": 65,
"tag": "p",
"text": "ã®ãããªãã®ã«ãªããŸãã",
"title": "颿°"
},
{
"paragraph_id": 66,
"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 67,
"tag": "p",
"text": "è€çŽ å
±åœ¹ãèšç®ããŸãã ISO/IEC 9899:2017 § 7.3.9.4 The conj functionsã",
"title": "颿°"
},
{
"paragraph_id": 68,
"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 69,
"tag": "p",
"text": "ãªãŒãã³çé¢ãžã®è€çŽ æ°ã®æåœ±ãèšç®ããŸãã",
"title": "颿°"
},
{
"paragraph_id": 70,
"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.3.9.5 The cproj functionsã; 圢åŒ:",
"title": "颿°"
},
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"tag": "p",
"text": "",
"title": "颿°"
},
{
"paragraph_id": 72,
"tag": "p",
"text": "è€çŽ æ°ã®å®æ°éšãè¿ããŸãã ISO/IEC 9899:2017 § 7.3.9.6 The creal functionsã",
"title": "颿°"
}
]
| ããã㌠<complex.h> ã«ã¯ãè€çŽ æ°æŒç®ããµããŒããããã¯ããšé¢æ°ãå®çŸ©ãããŠããŸãã åã·ããã·ã¹ã¯ã1ã€ä»¥äžã® complex åã®åŒæ°ãš complex ãŸã㯠double ã®è¿å€ãæã€äž»é¢æ°ãããªã颿°ãã¡ããªãŒãæå®ããŸãã åãååã§æ¥å°ŸèŸãfãšlã®ä»ã®é¢æ°ã¯ãfloat ãš long doubleã®åŒæ°ãšè¿å€ãæã€å¯Ÿå¿ãã颿°ã§ãã | {{Nav}}
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| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf
| title= WG14/N1256 Committee Draft â Septermber 7, 2007 ISO/IEC 9899:TC3
| page = 170, §7.3 ''Complex arithmetic''
| publisher = ISO/IEC}}</ref>ã
åã·ããã·ã¹ã¯ã1ã€ä»¥äžã® <code>complex</code> åã®åŒæ°ãš <code>complex</code> ãŸã㯠<code>double</code> ã®è¿å€ãæã€äž»é¢æ°ãããªã颿°ãã¡ããªãŒãæå®ããŸãã
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| title= WG14/N1256 Committee Draft â Septermber 7, 2007 ISO/IEC 9899:TC3
| page = 170, §7.3.1 ''Introduction''
| publisher = ISO/IEC}}</ref>ã
== èŠçŽ ==
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| title= WG14/N1256 Committee Draft â Septermber 7, 2007 ISO/IEC 9899:TC3
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| publisher = ISO/IEC}}</ref>ã
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| title= WG14/N1256 Committee Draft â Septermber 7, 2007 ISO/IEC 9899:TC3
| page = 171, §7.3.3 ''Branch cuts''
| publisher = ISO/IEC}}</ref>ã
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æèšåãã®æ¹åã«æ¥è¿ããããã«ã«ããããããã³ã°ããã(ããã§æå®ãããŠãã颿°ã®ãã©ã³ãã«ããã¯ã1ã€ã®æéã® çµç¹ã¯1ã€ã ãã§ã)ã
äŸãã°ãå¹³æ¹æ ¹é¢æ°ã®å Žåãè² ã®å®è»žã«æ²¿ã£ãã«ããã®æéçµç¹ãåæèšåãã«åã£ãŠãããšãè² ã®å®è»žã«æ²¿ã£ãåãå£ã®æéã®çµç¹ãäžããåãå£ã«è¿ã¥ãããšãªããåãå£ã¯æ£ã®èæ°è»žã«åããŸãã
== CX_LIMITED_RANGEãã©ã°ã ==
: <syntaxhighlight lang=c>
#include <complex.h>
#pragma STDC CX_LIMITED_RANGE on-off-switch
</syntaxhighlight>
è€çŽ æ°ã®ä¹ç®ãé€ç®ã絶察å€ã衚ãéåžžã®æ°åŒã¯ãç¡éå€§ãæ±ãç¹ã§åé¡ããããŸã<ref name="jtc1-sc22-wg14-n1256-7.3.4">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf
| title= WG14/N1256 Committee Draft â Septermber 7, 2007 ISO/IEC 9899:TC3
| page = 171, §7.3.4 ''The CX_LIMITED_RANGE pragma''
| publisher = ISO/IEC}}</ref>ã
ç¡éå€§ã®æ±ãããé床ã®ãªãŒããŒãããŒãã¢ã³ããŒãããŒãåé¡ãšãªããŸãã
CX_LIMITED_RANGEãã©ã°ãã¯ãïŒç¶æ
ã''on''ã®å ŽåïŒéåžžã®æ°åŒã蚱容ãããããšãå®è£
ã«ç¥ãããããã«äœ¿çšã§ããŸãã
ãã®ãã©ã°ãã¯ãå€éšå®£èšã®å€åŽã§ããè€åæã®äžã®ãã¹ãŠã®æç€ºçãªå®£èšãæã®åã§ã䜿çšã§ããŸããå€éšå®£èšã®å€åŽã«ããå Žåããã©ã°ãã¯ãã®çºçããä»ã®CX_LIMITED_RANGEãã©ã°ãã«ééãããŸã§ããŸãã¯ç¿»èš³åäœãçµäºãããŸã§å¹åãçºæ®ããŸãã
è€åæã®å
éšã§ã¯ããã©ã°ãã¯ãã®çºçæããå¥ã®CX_LIMITED_RANGEãã©ã°ãã«ééãããŸã§ããŸãã¯ç¿»èš³åäœãçµäºãããŸã§æå¹ã§ãã
å¥ã®CX_LIMITED_RANGEãã©ã°ããçºçãããŸã§ïŒå
¥ãåã«ãªã£ãè€åæã®äžãå«ãïŒããŸãã¯è€åæãçµäºãããŸã§ãè€åæã®çµäºæã«ã¯ããã©ã°ãã®ç¶æ
ã¯è€åæã®çŽåã®ç¶æ
ã«æ»ããŸããè€åæã®çµäºæã«ã¯ããã©ã°ãã®ç¶æ
ã¯è€åæã®çŽåã®ç¶æ
ã«æ»ããŸãããã®ãã©ã°ããä»ã®æèã§äœ¿çšãããå Žåããã®åäœã¯ æªå®çŸ©ãšãªããŸãããã®ãã©ã°ãã®ããã©ã«ãã®ç¶æ
ã¯''off''ã§ãã
== ãã¯ã ==
<!-- ãã¯ã __STDC_NO_COMPLEX__ ãå®çŸ©ããŠããå®è£
ã§ã¯ããã®ããããŒãæäŸããå¿
èŠã¯ãããŸããããŸãããã®æ©èœããµããŒãããå¿
èŠããããŸããã C18 §7.3 Complex arithmetic §7.3.1 Introduction -->
<code><complex.h></code> ã§ã¯ã以äžã®ãã¯ããå®çŸ©ãããŸã<ref name="jtc1-sc22-wg14-n1256-7.3.1" />ã
; complex : ããŒã¯ãŒã_Complexã®ãšã€ãªã¢ã¹ã
; _Complex_I : "const float _Complex "ãšããåãæã¡ãèæ°åäœIã®å€ãI * I = -1 ãæã€å®æ°ã
: C99 Annex Gãšäºææ§ã®ããã³ã³ãã€ã©ã¢ãŒãã§ã®ã¿å®çŸ©ãããŠããŸã<ref name="jtc1-sc22-wg14-n1256-Annex-G">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf
| title= C99: WG14/N1256 Committee Draft â Septermber 7ã 2007
| page = 466ãAnnex G (informative) ''IEC 60559-compatible complex arithmetic''
| publisher = ISO/IEC}}</ref>ã
; imaginary : ããŒã¯ãŒã_Imaginaryã®ãšã€ãªã¢ã¹
; _Imaginary_I : èæ°åäœã®å€ãæã€ const float _Imaginary åã®å®æ°åŒã«å±éããŸãã
; I : _Imaginary_I ãå®çŸ©ãããŠãããã° _Imaginary_I ã®ãå®çŸ©ãããŠããªããã° _Complex_I ã®ãšã€ãªã¢ã¹ã
<code>complex</code>ã<code>imaginary</code>ã<code>I</code> ã®ãã¯ããå
éšã®å€ãšå¹²æžããå Žåãã¢ããªã±ãŒã·ã§ã³ã¯ãã®å®çŸ©ãè§£é€ããããšãã§ããŸãã
äŸãã°ã黿°å·¥åŠåéã§ã¯ I ã¯é»æµã瀺ãå€çšãããããèæ°åäœã«ã¯ j ãçšããããïŒ<math>s = j \omega</math>ãªã©ïŒã
; ã³ãŒãäŸ
:<syntaxhighlight lang="c">
#undef I
#define j _Imaginary_I
</syntaxhighlight>
== 颿° ==
=== è€çŽ æ°äžè§é¢æ° ===
ISO/IEC 9899:2017 § 7.3.5 ''Trigonometric functions''
{{Anchors|cacos颿°|cacosf颿°|cacosl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== cacos颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.5.1 ''The cacos functions''<ref name="jtc1-sc22-wg14-n2596-7.3.5.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 137, §7.3.5.1 ''The cacos functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex cacos(double complex z);
float complex cacosf(float complex z);
long double complex cacosl(long double complex z);
</syntaxhighlight>
; 説æ
: cacos颿°ã¯ãè€çŽ acos ãå®è»žã®åºé[-1, +1]ã®å€åŽã§åå²ããŠèšç®ããŸããå®è»žã«æ²¿ã£ãåºé[-1, +1]ã®å€åŽã§åå²ããŸãã
; è¿å€
: cacos颿°ã¯ãè€çŽ acos å€ãè€çŽ æ°ã§è¿ããŸããæ°åŠçã«ææãããªãã¹ããªããã®ç¯å²ã§ãå®è»žã«æ²¿ã£ãåºé [0, Ï ]ã®è€çŽ acos å€ãè¿ããŸãã
{{Anchors|casin颿°|casinf颿°|casinl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== casin颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.5.2 ''The casin functions''<ref name="jtc1-sc22-wg14-n2596-7.3.5.2">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 138, §7.3.5.2 ''The casin functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex casin(double complex z);
float complex casinf(float complex z);
long double complex casinl(long double complex z);
</syntaxhighlight>
; 説æ
: casin颿°ã¯ãzã®è€çŽ éæ£åŒŠããå®è»žã«æ²¿ã£ãåºé[-1, +1]ã®å€åŽã§åå²ããŠèšç®ããŸãã
; è¿å€
: casin颿°ã¯ãè€çŽ éæ£åŒŠã®å€ãè€çŽ æ°ã§è¿ããŸãããã®å€ã¯ãè軞æ¹åã«ã¯æ°åŠçã«æçžãããªãç¯å²ã§ãå®è»žæ¹åã«ã¯åºé[-Ï /2, +Ï /2]ã®ç¯å²ã§ãã
{{Anchors|catan颿°|catanf颿°|catanl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== catan颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.5.3 ''The catan functions''<ref name="jtc1-sc22-wg14-n2596-7.3.5.3">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 138, §7.3.5.3 ''The catan functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex catan(double complex z);
float complex catanf(float complex z);
long double complex catanl(long double complex z);
</syntaxhighlight>
; 説æ
: catan颿°ã¯ãzã®è€çŽ éæ£æ¥ãèšç®ããèè»žã«æ²¿ã£ãŠåºé[-i, +i]ã®å€åŽã§åå²ããŸãã
; è¿å€
: catan颿°ã¯ãè€çŽ éæ£æ¥ãè€çŽ æ°ã§è¿ããŸãããã®ç¯å²ã¯ãèè»žã«æ²¿ã£ãæ°åŠçã«æçžãããŠããªãã¹ããªããã®ç¯å²ã§ãå®è»žã«æ²¿ã£ãåºé[-Ï /2, +Ï /2]ã§ãã
{{Anchors|ccos颿°|ccosf颿°|ccosl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== ccos颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.5.4 ''The ccos functions''<ref name="jtc1-sc22-wg14-n2596-7.3.5.4">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 138, §7.3.5.4 ''The ccos functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex ccos(double complex z);
float complex ccosf(float complex z);
long double complex ccosl(long double complex z);
</syntaxhighlight>
; 説æ
: ccos颿°ã¯ãzã®è€çŽ äœåŒŠãèšç®ããŸãã
; è¿å€
: ccos颿°ã¯ãè€çŽ äœåŒŠã®å€ãè€çŽ æ°ã§è¿ããŸãã
{{Anchors|csin颿°|csinf颿°|csinl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== csin颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.5.5 ''The csin functions''<ref name="jtc1-sc22-wg14-n2596-7.3.5.5">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 138, §7.3.5.5 ''The csin functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex csin(double complex z);
float complex csinf(float complex z);
long double complex csinl(long double complex z);
</syntaxhighlight>
; 説æ
: csin颿°ã¯ãzã®è€çŽ æ£åŒŠãèšç®ããŸãã
; è¿å€
: csin颿°ã¯ãè€çŽ æ£åŒŠã®å€ãè€çŽ æ°ã§è¿ããŸãã
{{Anchors|ctan颿°|ctanf颿°|ctanl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== ctan颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.5.6 ''The ctan functions''<ref name="jtc1-sc22-wg14-n2596-7.3.5.6">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 139, §7.3.5.6 ''The ctan functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex ctan(double complex z);
float complex ctanf(float complex z);
long double complex ctanl(long double complex z);
</syntaxhighlight>
; 説æ
: ctan颿°ã¯ãzã®è€çŽ æ£æ¥ãèšç®ããŸãã
; è¿å€
: ctan颿°ã¯ãè€çŽ æ£åŒŠã®å€ãè€çŽ æ°ã§è¿ããŸãã
=== è€çŽ æ°åæ²ç·é¢æ° ===
ISO/IEC 9899:2017 § 7.3.6 ''Hyperbolic functions''
{{Anchors|cacosh颿°|cacoshf颿°|cacoshl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== cacosh颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.6.1 ''The cacosh functions''<ref name="jtc1-sc22-wg14-n2596-7.3.6.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 139, §7.3.6.1 ''The cacosh functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex cacosh(double complex z);
float complex cacoshf(float complex z);
long double complex cacoshl(long double complex z);
</syntaxhighlight>
; 説æ
: cacosh颿°ã¯ãzã®è€çŽ æ°éåæ²ç·äœåŒŠããå®è»žã«æ²¿ã£ãŠ1æªæºã®å€ã§åå²ããŠèšç®ããŸãã
; è¿å€
: cacosh颿°ã¯ïŒè€çŽ æ°éåæ²ç·äœåŒŠã®å€ãè¿ããŸãïŒå®è»žã¯éè² ã®å€ã®åã¹ããªããïŒè軞ã¯åºé [-iÏ , +iÏ] ã®ç¯å²ã§ãïŒ
{{Anchors|casinh颿°|casinhf颿°|casinhl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== casinh颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.6.2 ''The casinh functions''<ref name="jtc1-sc22-wg14-n2596-7.3.6.2">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 139, §7.3.6.2 ''The casinh functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex casinh(double complex z);
float complex casinhf(float complex z);
long double complex casinhl(long double complex z);
</syntaxhighlight>
; 説æ
: casinh颿°ã¯ïŒzã®è€çŽ æ°éåæ²ç·æ£åŒŠãïŒèè»žã«æ²¿ã£ãŠåºé[-i, +i]ã®å€åŽã§åå²ããŠèšç®ããŸãã
; è¿å€
: casinh 颿°ã¯ïŒè€çŽ æ°éåæ²ç·æ£åŒŠã®å€ãïŒå®è»žã§ã¯æ°åŠçã«æçžãããªã垯ã®ç¯å²ïŒè軞ã§ã¯åºé [-iÏ /2, +iÏ /2] ã®ç¯å²ã§è¿ããŸãã
{{Anchors|catanh颿°|catanhf颿°|catanhl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== catanh颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.6.3 ''The catanh functions''<ref name="jtc1-sc22-wg14-n2596-7.3.6.3">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 139, §7.3.6.3 ''The catanh functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex catanh(double complex z);
float complex catanhf(float complex z);
long double complex catanhl(long double complex z);
</syntaxhighlight>
; 説æ
: catanh颿°ã¯ãzã®è€çŽ æ°éåæ²ç·æ£æ¥ããå®è»žã«æ²¿ã£ãåºé[-1, +1]ã®å€åŽã§åå²ããŠèšç®ããŸãã
; è¿å€
: catanh颿°ã¯ãè€çŽ æ°éåæ²ç·æ£æ¥ã®å€ããå®è»žã¯æ°åŠçã«æçžãããŠããªã垯ã®ç¯å²ã§ãè軞ã¯åºé[-iÏ /2, +iÏ /2]ã§è¿ããŸãã
{{Anchors|ccosh颿°|ccoshf颿°|ccoshl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== ccosh颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.6.4 ''The ccosh functions''<ref name="jtc1-sc22-wg14-n2596-7.3.6.4">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 140, §7.3.6.4 ''The ccosh functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex ccosh(double complex z);
float complex ccoshf(float complex z);
long double complex ccoshl(long double complex z);
</syntaxhighlight>
; 説æ
: ccosh颿°ã¯ãzã®è€çŽ æ°éåæ²ç·äœåŒŠãèšç®ããŸãã
; è¿å€
: ccosh颿°ã¯ãè€çŽ æ°éåæ²ç·äœåŒŠã®å€ãè¿ããŸãã
{{Anchors|csinh颿°|csinhf颿°|csinhl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== csinh颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.6.5 ''The csinh functions''<ref name="jtc1-sc22-wg14-n2596-7.3.6.5">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 140, §7.3.6.5 ''The csinh functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex csinh(double complex z);
float complex csinhf(float complex z);
long double complex csinhl(long double complex z);
</syntaxhighlight>
; 説æ
: csinh颿°ã¯ãzã®è€çŽ æ°åæ²ç·æ£åŒŠãèšç®ããŸãã
; è¿å€
: csinh颿°ã¯ãè€çŽ æ°åæ²ç·æ£åŒŠã®å€ãè¿ããŸãã
{{Anchors|ctanh颿°|ctanhf颿°|ctanhl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== ctanh颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.6.6 ''The ctanh functions''<ref name="jtc1-sc22-wg14-n2596-7.3.6.6">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 140, §7.3.6.6 ''The ctanh functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
;åœ¢åŒ :<syntaxhighlight lang="c">
#include <complex.h>
double complex ctanh(double complex z);
float complex ctanhf(float complex z);
long double complex ctanhl(long double complex z);
</syntaxhighlight>
; 説æ
: ctanh颿°ã¯ãzã®è€çŽ æ°åæ²ç·æ£æ¥ãèšç®ããŸãã
; è¿å€
: ctanh颿°ã¯ãè€çŽ æ°åæ²ç·æ£æ¥ã®å€ãè¿ããŸãã
=== è€çŽ æ°ææ°é¢æ°åã³è€çŽ æ°å¯Ÿæ°é¢æ° ===
ISO/IEC 9899:2017 § 7.3.7 ''Exponential and logarithmic functions''
{{Anchors|cexp颿°|cexpf颿°|cexpl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== cexp颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.7.1 ''The cexp functions''<ref name="jtc1-sc22-wg14-n2596-7.3.7.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 140, §7.3.7.1 ''The cexp functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <complex.h>
double complex cexp(double complex z);
float complex cexpf(float complex z);
long double complex cexpl(long double complex z);
</syntaxhighlight>
; æ©èœ
: cexp颿°çŸ€ã¯ãz ã® e ãåºãšããè€çŽ ææ°é¢æ°ãèšç®ããŸãã<!-- 2 The cexp functions compute the complex base-e exponential of z. -->
; è¿åŽå€
: cexp颿°çŸ€ã¯ãz ã® e ãåºãšããè€çŽ ææ°é¢æ°ãè¿ããŸãã<!-- 3 The cexp functions return the complex base-e exponential value. -->
{{Anchors|clog颿°|clogf颿°|clogl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== clog颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.7.2 ''The clog functions''<ref name="jtc1-sc22-wg14-n2596-7.3.7.2">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 141, §7.3.7.2 ''The clog functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <complex.h>
double complex clog(double complex z);
float complex clogf(float complex z);
long double complex clogl(long double complex z);
</syntaxhighlight>
; æ©èœ
: clog颿°çŸ€ã¯ãè² ã®å®è»žã«æ²¿ã£ãŠåå²ç·æ³ã䜿çšããŠãz ã®è€çŽ èªç¶å¯Ÿæ° (e ãåºãšãã) ãèšç®ããŸãã<!-- 2 The clog functions compute the complex natural (base-e) logarithm of z, with a branch cut along the negative real axis. -->
; è¿åŽå€
ïŒclog颿°çŸ€ã¯ãè€çŽ èªç¶å¯Ÿæ°ã®å€ãè¿ããŸãããã®å€ã¯ãå®è»žã§ã¯æ°åŠçã«æçžãããŠããªãã¹ããªããã®ç¯å²ã§ãããè軞ã§ã¯åºé[-iÏ, +iÏ]ã®ç¯å²ã§ãã<!--3 The clog functions return the complex natural logarithm value, in the range of a strip mathematically unbounded along the real axis and in the interval [âiÏ, +iÏ] along the imaginary axis.-->
=== è€çŽ æ°ã¹ãä¹é¢æ°åã³è€çŽ æ°çµ¶å¯Ÿå€é¢æ° ===
ISO/IEC 9899:2017 § 7.3.8 ''Power and absolute-value functions''
{{Anchors|cabs颿°|cabsf颿°|cabsl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== cabs颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.8.1 ''The cabs<ref>åœåèŠåã«åŸãã° complex çã® fabs ãªã®ã§ cfabs ã§ãããcabs ã¯äŸå€ã§ãã</ref> functions''<ref name="jtc1-sc22-wg14-n2596-7.3.8.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 141, §7.3.8.1 ''The cabs functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <complex.h>
double cabs(double complex z);
float cabsf(float complex z);
long double cabsl(long double complex z);
</syntaxhighlight>
; æ©èœ
: cabs颿°çŸ€ã¯ãzã®è€çŽ çµ¶å¯Ÿå€ïŒãã«ã ïŒnormïŒãã¢ãžã¥ã©ã¹ïŒmodulusïŒããã°ããã¥ãŒãïŒmagnitudeïŒãšãåŒã°ããïŒãèšç®ããŸã<!--2 The cabs functions compute the complex absolute value (also called norm, modulus, or magnitude)-->
of z.
; è¿åŽå€
: cabs颿°çŸ€ã¯ãè€çŽ æ°ã®çµ¶å¯Ÿå€ãè¿ããŸãã<!--3 The cabs functions return the complex absolute value.-->
{{Anchors|cpow颿°|cpowf颿°|cpowl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== cpow颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.8.2 ''The cpow functions''<ref name="jtc1-sc22-wg14-n2596-7.3.8.2">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 141, §7.3.8.2 ''The cpow functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <complex.h>
double complex cpow(double complex x, double complex y);
float complex cpowf(float complex x, float complex y);
long double complex cpowl(long double complex x,long double complex y);
</syntaxhighlight>
; æ©èœ
: cpow颿°çŸ€ã¯ãè€çŽ æ°ã®ã¹ãä¹é¢æ°x<sup>y</sup>ãèšç®ããè² ã®å®è»žã«æ²¿ã£ãŠç¬¬1ãã©ã¡ãŒã¿ã®åå²ãè¡ããŸãã<!--2 The cpow functions compute the complex power function x<sup>y</sup>, with a branch cut for the first parameter along the negative real axis.-->
; è¿åŽå€
: cpow颿°çŸ€ã¯ãè€çŽ æ°ã®ã¹ãä¹é¢æ°ã®å€ãè¿ããŸãã<!--3 The cpow functions return the complex power function value.-->
{{Anchors|csqrt颿°|csqrtf颿°|csqrtl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== csqrt颿°çŸ€ ====
ISO/IEC 9899:2017 § 7.3.8.3 ''The csqrt functions''<ref name="jtc1-sc22-wg14-n2596-7.3.8.3">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 142, §7.3.8.3 ''The csqrt functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <complex.h>
double complex csqrt(double complex z);
float complex csqrtf(float complex z);
long double complex csqrtl(long double complex z);
</syntaxhighlight>
; æ©èœ
: 2 The csqrt functions compute the complex square root of z, with a branch cut along the negative
real axis.
; è¿åŽå€
: 3 The csqrt functions return the complex square root value, in the range of the right half-plane
(including the imaginary axis).
=== è€çŽ æ°æäœ ===
{{Anchors|carg颿°|cargf颿°|cargl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== carg颿°çŸ€ ====
è€çŽ æ°ã®åè§ãèšç®ãã
ISO/IEC 9899:2017 § 7.3.9.1 ''The carg functions''<ref name="jtc1-sc22-wg14-n2596-7.3.9.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 142, §7.3.9.1 ''The carg functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; 圢åŒ: <syntaxhighlight lang=c>
#include <complex.h>
double carg(double complex z);
float cargf(float complex z);
long double cargl(long double complex z);
</syntaxhighlight><!--
; æ©èœ
2 The carg functions compute the argument (also called phase angle) of z, with a branch cut along
the negative real axis.
; è¿åŽå€
3 The carg functions return the value of the argument in the interval [âÏ, +Ï].-->
{{Anchors|cimag颿°|cimagf颿°|cimagl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== cimag颿°çŸ€ ====
è€çŽ æ°ã®èæ°éšãè¿ããŸãã
ISO/IEC 9899:2017 § 7.3.9.2 ''The cimag functions''<ref name="jtc1-sc22-wg14-n2596-7.3.9.2">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 142, §7.3.9.2 ''The cimag functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; 圢åŒ: <syntaxhighlight lang=c>
#include <complex.h>
double cimag(double complex z);
float cimagf(float complex z);
long double cimagl(long double complex z);
</syntaxhighlight><!--
; æ©èœ
2 The cimag functions compute the imaginary part of z.
; è¿åŽå€
3 The cimag functions return the imaginary part value (as a real).-->
{{Anchors|CMPLXãã¯ã|CMPLXFãã¯ã|CMPLXLãã¯ã}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== CMPLXãã¯ã矀 ====
CMPLXãã¯ã矀ã¯ãæå®ãããè€çŽ æ°åã®åŒã«å±éããã宿°éšã¯xã®ïŒå€æåŸã®ïŒå€ãèæ°éšã¯yã®ïŒå€æåŸã®ïŒå€ãšãªããŸã<ref>[[Fortran/ããŒã¿å#ãªãã©ã«å®æ° (Literal constants)|åå]]ã®[[Fortran]]çµã¿èŸŒã¿é¢æ°ãšæ©èœçã«åçã§ãã</ref>ã
çµæãšããŠåŸãããåŒã¯ãäž¡æ¹ã®åŒæ°ãåæ§ã«é©åã§ããå Žåã«ãéçãŸãã¯ã¹ã¬ããã¹ãã¬ãŒãžæéãæã€ãªããžã§ã¯ãã®ã€ãã·ã£ã©ã€ã¶ãŒãšããŠäœ¿çšããã®ã«é©ããŠãããã®ãšããŸãã
ISO/IEC 9899:2017 § 7.3.9.3 ''The CMPLX macros''<ref name="jtc1-sc22-wg14-n2596-7.3.9.3">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 142, §7.3.9.3 ''The CMPLX macros''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã; 圢åŒ: <syntaxhighlight lang=c>
#include <complex.h>
double complex CMPLX(double x, double y);
float complex CMPLXF(float x, float y);
long double complex CMPLXL(long double x, long double y);
</syntaxhighlight>
;æ»å€ : x + ''i''y
;æŽå²:CMPLXãã¯ã矀ã¯ãC11ã§è¿œå ãããŸããã
ãããã®ãã¯ãã¯ãããããå®è£
ãèæ°åããµããŒãããŠãããã®ããã«åäœãå®çŸ©ã¯ã
: <syntaxhighlight lang=c>
#define CMPLX(x, y) ((double complex)((double)(x) + \
_Imaginary_I * (double)(y)))
#define CMPLXF(x, y) ((float complex)((float)(x) + \
_Imaginary_I * (float)(y)))
#define CMPLXL(x, y) ((long double complex)((long double)(x) + \
_Imaginary_I * (long double)(y)))
</syntaxhighlight>
ã®ãããªãã®ã«ãªããŸãã
{{Anchors|conj颿°|conjf颿°|conjl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== conj颿°çŸ€ ====
[[W:è€çŽ å
±åœ¹|è€çŽ å
±åœ¹]]ãèšç®ããŸãã
ISO/IEC 9899:2017 § 7.3.9.4 ''The conj functions''<ref name="jtc1-sc22-wg14-n2596-7.3.9.4">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 143, §7.3.9.4 ''The conj functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; 圢åŒ: <syntaxhighlight lang=c>
#include <complex.h>
double complex conj(double complex z);
float complex conjf(float complex z);
long double complex conjl(long double complex z);
</syntaxhighlight>
{{Anchors|cproj颿°|cprojf颿°|cprojl颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== cproj颿°çŸ€ ====
[[W:ãªãŒãã³çé¢|ãªãŒãã³çé¢]]ãžã®è€çŽ æ°ã®æåœ±ãèšç®ããŸãã
ISO/IEC 9899:2017 § 7.3.9.5 ''The cproj functions''<ref name="jtc1-sc22-wg14-n2596-7.3.9.5">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 143, §7.3.9.5 ''The cproj functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã; 圢åŒ: <syntaxhighlight lang=c>
#include <complex.h>
double complex cproj(double complex z);
float complex cprojf(float complex z);
long double complex cprojl(long double complex z);
</syntaxhighlight>
{{Anchors|creal颿°|crealf颿°|creall颿°}}<!-- ããŒãžå€ãããªã³ã¯ããŠããŸãæ¶ããªãã§ãã ãã -->
==== creal颿°çŸ€ ====
è€çŽ æ°ã®å®æ°éšãè¿ããŸãã
ISO/IEC 9899:2017 § 7.3.9.6 ''The creal functions''<ref name="jtc1-sc22-wg14-n2596-7.3.9.6">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 143, §7.3.9.6 ''The creal functions''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; 圢åŒ: <syntaxhighlight lang=c>
#include <complex.h>
double creal(double complex z);
float crealf(float complex z);
long double creall(long double complex z);
</syntaxhighlight>
==é¢é£é
ç®==
* [[../math.h|math.h]]
* [[../tgmath.h|tgmath.h]]
==èèš»==
<references />
==åèæç®==
* {{cite book | url=https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en | title= ISO/IEC 9899:2018(en) Information technology â Programming languages â C | publisher=[[W:åœéæšæºåæ©æ§|ISO]]/[[W:åœé黿°æšæºäŒè°|IEC]] | date = 2018-07-05}}
* {{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf
| title= WG14/N1256 Committee Draft â Septermber 7, 2007 ISO/IEC 9899:TC3
| publisher = ISO/IEC}} -- C99:TC3çžåœ
* {{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title = N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| publisher = ISO/IEC}} -- C11çžåœ | null | 2022-10-10T02:08:08Z | [
"ãã³ãã¬ãŒã:Anchors",
"ãã³ãã¬ãŒã:Cite book",
"ãã³ãã¬ãŒã:Nav"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/complex.h |
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ã«ãã£ãŠãµããŒããããªããã°ãªããªãã 以äžã®ã¿ã€ãã®ã¢ã©ã€ã³ã¡ã³ãèŠä»¶ã¯ãåºæ¬çãªã¢ã©ã€ã³ã¡ã³ãã§ãªããã°ãªããªãã
wchar_t åã¯ããµããŒããããŠãããã±ãŒã«ã®äžã§æå®ãããæå€§ã®æ¡åŒµæåã»ããã®ãã¹ãŠã®ã¡ã³ããŒã®åå¥ã³ãŒãã衚ãããšãã§ããæŽæ°åã§ãã ãµããŒããããŠãããã±ãŒã«ã§æå®ãããŠããæå€§ã®æ¡åŒµæåã»ããã®ãã¹ãŠã®ã¡ã³ããŒã®åå¥ã³ãŒãã衚ãããšãã§ããæŽæ°åã§ãã ãã«æåã¯ã³ãŒãå€ 0 ãšããŸãã
åºæ¬æåã»ããã®åã¡ã³ããŒã¯ãå®è£
ã__STDC_MB_MIGHT_NEQ_WC__ãå®çŸ©ããŠããªãå ŽåãæŽæ°ã®æå宿°ã®äžã§åç¬ã®æåãšããŠäœ¿çšããããšãã®å€ã«çããã³ãŒãå€ãæããªããã°ãªããŸããã
åŠçç³»å®çŸ©ã®ç©ºãã€ã³ã¿å®æ°( null pointer constant )ã«å±éãããŸãã C23ã®ããããŒã¶ã«ã« C++ ãšåæ§ãª nullptr ãææ¡ãããŠããŸãããçŸåšã®èæ¡ã«ã¯å«ãŸããŠããŸããã
ãã¯ã offsetof ã®å€ã¯ãæ§é äœã®å
é (typeã§æå®)ããæ§é äœã®ã¡ã³ããŒ(member-designatorã§æå®)ãžã®ãã€ãåäœã®ãªãã»ããã§ããsize_tåã®æŽæ°å®æ°åŒã«å±éãããŸãã
æå®ãããæ§é äœ type å
ã®æå®ããã member ãã£ãŒã«ãã®ãã€ããªãã»ãããæ±ºå®ããããã«äœ¿çšããã颿°ãã¯ãã§ãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "N2176 C17 ballot ISO/IEC 9899:2017 §7.19 Common definitions <stddef.h>:å
±éã®å®çŸ©.",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ããã㌠<stddef.h> ã§ã¯ã以äžã®ãã¯ããå®çŸ©ããã以äžã®åã宣èšãããŠããŸããããã€ãã®ãã¯ãã¯ä»ã®ããããŒã§ãå®çŸ©ãããŠããŸãããããããã®ãµãã¯ã©ã¹ã«èšèŒãããŠããŸãã",
"title": ""
},
{
"paragraph_id": 2,
"tag": "p",
"text": "size_tåã¯ãã¡ã¢ãªãŒé åã®ãªããžã§ã¯ãã®ãµã€ãºã衚ãã®ã«é©ããåã§ãé
åã®èŠçŽ ãåç
§ããéã«äœ¿çšããŸããéåžžã32ãããã·ã¹ãã ã§ã¯32ãããã64ãããã·ã¹ãã ã§ã¯64ãããã§è¡šçŸãããŸãããå¿
ãããããã§ã¯ãããŸããã笊å·ãªãã§ãã",
"title": "size_t å"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "ãã®åã¯,POSIX ã®ããã㌠\"unistd.h\" ã§å®çŸ©ãããŠãã ssize_t ãšããååã®ç¬Šå·ä»ãã®ããªã¢ã³ããæã£ãŠããå®è£
ããããGNU C Library ã§ã¯ãssize_t å㯠\"stddef.h\" ã§å®çŸ©ãããŠãããsize_t ãšåããã¡ã€ã«ã«ååšããã",
"title": "size_t å"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ptrdiff_t åã¯ã2ã€ã®ãã€ã³ã¿ãŒãåŒãç®ããçµæã®ç¬Šå·ä»ãæŽæ°åã§ãã",
"title": "ptrdiff_t å"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "2 ã€ã®ãã€ã³ã¿ãæžç®ãããšããäž¡æ¹ãšãåãé
åãªããžã§ã¯ãã®èŠçŽ ããŸãã¯é
åãªããžã§ã¯ãã®æåŸã®èŠçŽ ã 1 ã€éããèŠçŽ ãæããã®ãšããçµæã¯ 2 ã€ã®é
åèŠçŽ ã®æ·»ãåã®å·®ãšãªããŸããçµæã®ãµã€ãºã¯å®è£
ã§å®çŸ©ããããã®å(笊å·ä»ãæŽæ°å)㯠<stddef.h> ããããŒã§å®çŸ©ãããŠãã ptrdiff_t ã§ããçµæããã®åã®ãªããžã§ã¯ãã§è¡šçŸã§ããªãå Žå,ãã®åäœã¯æªå®çŸ©ã§ãããèšãæãããšãåŒ P ãš Q ãããããé
åãªããžã§ã¯ãã® i çªç®ãš j çªç®ã®èŠçŽ ãæããŠããå ŽåãåŒ (P)-(Q) 㯠ptrdiff_t åã®ãªããžã§ã¯ãã«åãŸã£ãŠããã° i - j ãšããå€ã«ãªããŸããããã«ãåŒPãé
åãªããžã§ã¯ãã®èŠçŽ ãŸãã¯é
åãªããžã§ã¯ãã®æåŸã®èŠçŽ ã1ã€éãããšãããæããåŒQãåãé
åãªããžã§ã¯ãã®æåŸã®èŠçŽ ãæããŠããå ŽåãåŒ((Q)+1)-(P)ã¯((Q)-(P))+1ãšåãå€ãæã¡ãåŒ(Q)+1ãé
åãªããžã§ã¯ãã®èŠçŽ ãæããŠããªããŠããåŒPãé
åãªããžã§ã¯ãã®æåŸã®èŠçŽ ã1ã€éãããšãããæããŠããå Žåã«ã¯å€0ãæã¡ãŸãã",
"title": "ptrdiff_t å"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "ãªããžã§ã¯ã㯠PTRDIFF_MAX ããã倧ãããããããŸãããPTRDIFF_MAX / PTRDIFF_MIN ããã倧ããªå·®ããã 2 ã€ã®ãã€ã³ã¿ãæžç®ãããšãæªå®çŸ©ã®åäœã«ãªããŸãã",
"title": "ptrdiff_t å"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "",
"title": "ptrdiff_t å"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "max_align_t åã¯ãã¢ã©ã€ã¡ã³ããæå€§ã®åºæ¬ã¢ã©ã€ã¡ã³ãã§ãããªããžã§ã¯ãã¿ã€ãã®ããšã§ãã",
"title": "max_align_t å"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "åºæ¬ã¢ã©ã€ã³ã¡ã³ããšã¯ã_Alignof (max_align_t)以äžã®æå¹ãªã¢ã©ã€ã³ã¡ã³ãã®ããšã§ãããåºæ¬çãªã¢ã©ã€ã³ã¡ã³ãã¯ããã¹ãŠã®ä¿åæéã®ãªããžã§ã¯ãã«å¯ŸããŠãå®è£
ã«ãã£ãŠãµããŒããããªããã°ãªããªãã 以äžã®ã¿ã€ãã®ã¢ã©ã€ã³ã¡ã³ãèŠä»¶ã¯ãåºæ¬çãªã¢ã©ã€ã³ã¡ã³ãã§ãªããã°ãªããªãã",
"title": "max_align_t å"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "",
"title": "max_align_t å"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "wchar_t åã¯ããµããŒããããŠãããã±ãŒã«ã®äžã§æå®ãããæå€§ã®æ¡åŒµæåã»ããã®ãã¹ãŠã®ã¡ã³ããŒã®åå¥ã³ãŒãã衚ãããšãã§ããæŽæ°åã§ãã ãµããŒããããŠãããã±ãŒã«ã§æå®ãããŠããæå€§ã®æ¡åŒµæåã»ããã®ãã¹ãŠã®ã¡ã³ããŒã®åå¥ã³ãŒãã衚ãããšãã§ããæŽæ°åã§ãã ãã«æåã¯ã³ãŒãå€ 0 ãšããŸãã",
"title": "wchar_t å"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "åºæ¬æåã»ããã®åã¡ã³ããŒã¯ãå®è£
ã__STDC_MB_MIGHT_NEQ_WC__ãå®çŸ©ããŠããªãå ŽåãæŽæ°ã®æå宿°ã®äžã§åç¬ã®æåãšããŠäœ¿çšããããšãã®å€ã«çããã³ãŒãå€ãæããªããã°ãªããŸããã",
"title": "wchar_t å"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "åŠçç³»å®çŸ©ã®ç©ºãã€ã³ã¿å®æ°( null pointer constant )ã«å±éãããŸãã C23ã®ããããŒã¶ã«ã« C++ ãšåæ§ãª nullptr ãææ¡ãããŠããŸãããçŸåšã®èæ¡ã«ã¯å«ãŸããŠããŸããã",
"title": "NULL"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "ãã¯ã offsetof ã®å€ã¯ãæ§é äœã®å
é (typeã§æå®)ããæ§é äœã®ã¡ã³ããŒ(member-designatorã§æå®)ãžã®ãã€ãåäœã®ãªãã»ããã§ããsize_tåã®æŽæ°å®æ°åŒã«å±éãããŸãã",
"title": "offsetof(type, member-designator)"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "æå®ãããæ§é äœ type å
ã®æå®ããã member ãã£ãŒã«ãã®ãã€ããªãã»ãããæ±ºå®ããããã«äœ¿çšããã颿°ãã¯ãã§ãã",
"title": "offsetof(type, member-designator)"
}
]
| N2176 C17 ballot ISO/IEC 9899:2017 §7.19 Common definitions <stddef.h>ïŒå
±éã®å®çŸ©. ããã㌠<stddef.h> ã§ã¯ã以äžã®ãã¯ããå®çŸ©ããã以äžã®åã宣èšãããŠããŸããããã€ãã®ãã¯ãã¯ä»ã®ããããŒã§ãå®çŸ©ãããŠããŸãããããããã®ãµãã¯ã©ã¹ã«èšèŒãããŠããŸãã | {{Nav}}
N2176 C17 ballot ISO/IEC 9899:2017 §7.19 ''Common definitions <stddef.h>''ïŒå
±éã®å®çŸ©<ref name="jtc1-sc22-wg14-n2596-7.19">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 211, §7.19 ''Common definitions <stddef.h>''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>.
ããã㌠<code><stddef.h></code> ã§ã¯ã以äžã®ãã¯ããå®çŸ©ããã以äžã®åã宣èšãããŠããŸããããã€ãã®ãã¯ãã¯ä»ã®ããããŒã§ãå®çŸ©ãããŠããŸãããããããã®ãµãã¯ã©ã¹ã«èšèŒãããŠããŸã<ref name="jtc1-sc22-wg14-n2596-7.19"/>ã
== size_t å ==
size_tåã¯ãã¡ã¢ãªãŒé åã®ãªããžã§ã¯ãã®ãµã€ãºã衚ãã®ã«é©ããåã§ãé
åã®èŠçŽ ãåç
§ããéã«äœ¿çšããŸããéåžžã32ãããã·ã¹ãã ã§ã¯32ãããã64ãããã·ã¹ãã ã§ã¯64ãããã§è¡šçŸãããŸãããå¿
ãããããã§ã¯ãããŸããã笊å·ãªãã§ã<ref name="jtc1-sc22-wg14-n2596-7.19"/>ã
ãã®åã¯ïŒPOSIX ã®ããã㌠"unistd.h" ã§å®çŸ©ãããŠãã ssize_t ãšããååã®ç¬Šå·ä»ãã®ããªã¢ã³ããæã£ãŠããå®è£
ããããGNU C Library ã§ã¯ãssize_t å㯠"stddef.h" ã§å®çŸ©ãããŠãããsize_t ãšåããã¡ã€ã«ã«ååšããã
== ptrdiff_t å ==
ptrdiff_t åã¯ã2ã€ã®ãã€ã³ã¿ãŒãåŒãç®ããçµæã®ç¬Šå·ä»ãæŽæ°åã§ã<ref name="jtc1-sc22-wg14-n2596-7.19"/>ã
2 ã€ã®ãã€ã³ã¿ãæžç®ãããšããäž¡æ¹ãšãåãé
åãªããžã§ã¯ãã®èŠçŽ ããŸãã¯é
åãªããžã§ã¯ãã®æåŸã®èŠçŽ ã 1 ã€éããèŠçŽ ãæããã®ãšããçµæã¯ 2 ã€ã®é
åèŠçŽ ã®æ·»ãåã®å·®ãšãªããŸããçµæã®ãµã€ãºã¯å®è£
ã§å®çŸ©ããããã®åïŒç¬Šå·ä»ãæŽæ°åïŒã¯ <stddef.h> ããããŒã§å®çŸ©ãããŠãã ptrdiff_t ã§ããçµæããã®åã®ãªããžã§ã¯ãã§è¡šçŸã§ããªãå ŽåïŒãã®åäœã¯æªå®çŸ©ã§ãããèšãæãããšãåŒ P ãš Q ãããããé
åãªããžã§ã¯ãã® i çªç®ãš j çªç®ã®èŠçŽ ãæããŠããå ŽåãåŒ (P)-(Q) 㯠ptrdiff_t åã®ãªããžã§ã¯ãã«åãŸã£ãŠããã° i - j ãšããå€ã«ãªããŸããããã«ãåŒPãé
åãªããžã§ã¯ãã®èŠçŽ ãŸãã¯é
åãªããžã§ã¯ãã®æåŸã®èŠçŽ ã1ã€éãããšãããæããåŒQãåãé
åãªããžã§ã¯ãã®æåŸã®èŠçŽ ãæããŠããå ŽåãåŒ((Q)+1)-(P)ã¯((Q)-(P))+1ãšåãå€ãæã¡ãåŒ(Q)+1ãé
åãªããžã§ã¯ãã®èŠçŽ ãæããŠããªããŠããåŒPãé
åãªããžã§ã¯ãã®æåŸã®èŠçŽ ã1ã€éãããšãããæããŠããå Žåã«ã¯å€0ãæã¡ãŸã<ref name="jtc1-sc22-wg14-n2596-6.5.6">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 66, §6.5.6 ''Additive operators''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
ãªããžã§ã¯ã㯠PTRDIFF_MAX ããã倧ãããããããŸãããPTRDIFF_MAX / PTRDIFF_MIN ããã倧ããªå·®ããã 2 ã€ã®ãã€ã³ã¿ãæžç®ãããšãæªå®çŸ©ã®åäœã«ãªããŸã<ref name="jtc1-sc22-wg14-n2596-7.20.3">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 215, §7.20.3 ''Limits of other integer types''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
== max_align_t å ==
max_align_t åã¯ãã¢ã©ã€ã¡ã³ããæå€§ã®åºæ¬ã¢ã©ã€ã¡ã³ãã§ãããªããžã§ã¯ãã¿ã€ãã®ããšã§ãã
åºæ¬ã¢ã©ã€ã³ã¡ã³ããšã¯ã<syntaxhighlight lang=C inline>_Alignof (max_align_t)</syntaxhighlight>以äžã®æå¹ãªã¢ã©ã€ã³ã¡ã³ãã®ããšã§ãããåºæ¬çãªã¢ã©ã€ã³ã¡ã³ãã¯ããã¹ãŠã®ä¿åæéã®ãªããžã§ã¯ãã«å¯ŸããŠãå®è£
ã«ãã£ãŠãµããŒããããªããã°ãªããªã<ref name="jtc1-sc22-wg14-n2596-6.2.8">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 36, §6.2.8 ''Alignment of objects''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
以äžã®ã¿ã€ãã®ã¢ã©ã€ã³ã¡ã³ãèŠä»¶ã¯ãåºæ¬çãªã¢ã©ã€ã³ã¡ã³ãã§ãªããã°ãªããªã<ref name="jtc1-sc22-wg14-n2596-6.2.8"/>ã
* ãã¹ãŠã®atmic修食ãããããŸãã¯ä¿®é£ŸãããŠããªãåºæ¬å
* ãã¹ãŠã®atmic修食ãããããŸãã¯ä¿®é£ŸãããŠããªãåæå
* ãã¹ãŠã®atmicåã修食åãé修食åã®ãã€ã³ã¿å
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* å®å
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* ãã¹ãŠã®æ§é äœãŸãã¯å
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== wchar_t å ==
wchar_t åã¯ããµããŒããããŠãããã±ãŒã«ã®äžã§æå®ãããæå€§ã®æ¡åŒµæåã»ããã®ãã¹ãŠã®ã¡ã³ããŒã®åå¥ã³ãŒãã衚ãããšãã§ããæŽæ°åã§ãã
ãµããŒããããŠãããã±ãŒã«ã§æå®ãããŠããæå€§ã®æ¡åŒµæåã»ããã®ãã¹ãŠã®ã¡ã³ããŒã®åå¥ã³ãŒãã衚ãããšãã§ããæŽæ°åã§ãã
ãã«æåã¯ã³ãŒãå€ 0 ãšããŸãã
åºæ¬æåã»ããã®åã¡ã³ããŒã¯ãå®è£
ã__STDC_MB_MIGHT_NEQ_WC__ãå®çŸ©ããŠããªãå ŽåãæŽæ°ã®æå宿°ã®äžã§åç¬ã®æåãšããŠäœ¿çšããããšãã®å€ã«çããã³ãŒãå€ãæããªããã°ãªããŸããã
== NULL ==
åŠçç³»å®çŸ©ã®ç©ºãã€ã³ã¿å®æ°( ''null pointer constant'' )ã«å±éãããŸãã
C23ã®ããããŒã¶ã«ã« C++ ãšåæ§ãª nullptr ãææ¡ãããŠããŸãããçŸåšã®èæ¡ã«ã¯å«ãŸããŠããŸãã<ref name="jtc1-sc22-wg14-n2692">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2692.pdf
| title = Introduce the nullptr constant proposal for C23
| author = Jens Gustedt; INRIA and ICube, UniversitÂŽe de Strasbourg, France}}</ref>ã
== offsetof(type, member-designator) ==
: <syntaxhighlight lang=C>
offsetof(type, member-designator)
</syntaxhighlight>
ãã¯ã offsetof ã®å€ã¯ãæ§é äœã®å
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== èèš» ==
<references/>
== å€éšãªã³ã¯ ==
*[http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/stddef.h.html stddef.h] on The Open Group
*[http://www.cplusplus.com/reference/clibrary/cstddef/ stddef.h] on CPlusPlus.com
*[http://msdn2.microsoft.com/en-us/library/2b6eh9x3(VS.80).aspx cstddef] on MSDN
[[Category:Cèšèª|stddef.h]] | null | 2021-09-03T08:38:54Z | [
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Cite book"
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| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/stddef.h |
32,222 | Cèšèª/æšæºã©ã€ãã©ãª/fenv.h | <fenv.h>ã¯ãISO/IEC 9899:1999(éç§°C99) ããå°å
¥ãããCèšèªã®æšæºããããŒã§ãã<fenv.h>ã§ã¯ãæµ®åå°æ°ç¹ç°å¢ã«ã¢ã¯ã»ã¹ããããã® 2 ã€ã®åãšããã€ãã®ãã¯ãããã³é¢æ°ã宣èšãããŠããŸããæµ®åå°æ°ç¹ç°å¢ãšã¯ãå®è£
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以äžã®é¢æ°ã¯ãæµ®åå°æ°ç¹ã®ã¹ããŒã¿ã¹ã»ãã©ã°ãžã®ã¢ã¯ã»ã¹ãæäŸããŸã 219) ãããã®é¢æ°ã®intå
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ISO/IEC 9899:2017 § 7.6.2.1 The feclearexcept functionã
ISO/IEC 9899:2017 § 7.6.2.2 The fegetexceptflag functionã
ISO/IEC 9899:2017 § 7.6.2.3 The feraiseexcept functionã
ISO/IEC 9899:2017 § 7.6.2.4 The fesetexceptflag functionã
fesetexceptflag颿°ã¯ãåŒæ°exceptsããŒãã®å ŽåããŸãã¯æå®ããããã¹ãŠã®ãã©ã°ãé©åãªç¶æ
ã«æ£åžžã«èšå®ãããå Žåã«ã¯ãŒããè¿ããŸãããã以å€ã®å Žåã¯ããŒã以å€ã®å€ãè¿ããŸãã
ISO/IEC 9899:2017 § 7.6.2.5 The fetestexcept functionã
fetestexcept颿°ã¯ãæµ®åå°æ°ç¹äŸå€ãã©ã°ã®æå®ããããµãã»ããã®ãã¡ãã©ããçŸåšèšå®ãããŠããããå€å®ããŸããåŒæ°exceptsã¯ãåãåãããè¡ãæµ®åå°æ°ç¹ã¹ããŒã¿ã¹ã»ãã©ã°ãæå®ããŸãã ãã®é¢æ°ã«ãã£ãŠçºçããæµ®åå°æ°ç¹äŸå€ã®ãã©ãããåãããŸããF.8.6ã®ä»æ§ãåã粟ç¥ã«åºã¥ããŠããŸãã
fegetround ããã³ fesetround 颿°ã¯ãäžžãæ¹åã¢ãŒãã®å¶åŸ¡ãè¡ããŸãã
ISO/IEC 9899:2017 § 7.6.3.1 The fegetround functionã
ISO/IEC 9899:2017 § 7.6.3.2 The fesetround functionã
ãã®ã»ã¯ã·ã§ã³ã®é¢æ°ã¯ãã¹ããŒã¿ã¹ã»ãã©ã°ãã³ã³ãããŒã«ã»ã¢ãŒããšãã£ãæµ®åå°æ°ç¹ç°å¢ãäžã€ã®å®äœãšããŠç®¡çããŸãã
ISO/IEC 9899:2017 § 7.6.4.1 The fegetenv functionã
ISO/IEC 9899:2017 § 7.6.4.2 The feholdexcept functionã
ISO/IEC 9899:2017 § 7.6.4.3 The fesetenv functionã
feholdexceptã®åŒã³åºãã«ãã£ãŠèšå®ããããªããžã§ã¯ããæããããŸãã¯æµ®åå°æ°ç¹ç°å¢ãã¯ãã«çãããfesetenvã¯åã«ã·ã¹ãã ãã€ã³ã¹ããŒã«ããã ãã§ããã³ã¹ãããã¢ãŒãã®ã¿ãæäŸãããã®åŸã®ã€ã³ã¹ããŒã«ã¯äºçްãªããšã§ããããšã«æ³šæããŠãã ããããã®ãããªã·ã¹ãã ã§ã¯ãfeholdexcept颿°ãfeupdateenv颿°ãšçµã¿åãããŠäœ¿çšããåŒã³åºãå
ããåœã®æµ®åå°æ°ç¹äŸå€ãé ãã«ãŒãã³ãæžãããšãã§ããŸãã feholdexcept颿°ã¯ããã®åŒæ°ã§è¡šãããæµ®åå°æ°ç¹ã¹ããŒã¿ã¹ã»ãã©ã°ã®ç¶æ
ãç£èŠãããããã®æµ®åå°æ°ç¹äŸå€ãçºçãããŸããã
ISO/IEC 9899:2017 § 7.6.4.4 The feupdateenv functionã
§6.5 Expressions ã§å®çŸ©ãããæäœããæšæºã©ã€ãã©ãªã§å®çŸ©ããã颿°ããã¯ãã¯ã以äžã®ããã«å€æŽãããŸããæšæºã©ã€ãã©ãªã§å®çŸ©ãããŠãã颿°ããã¯ãã¯ãããããã®ä»æ§(IEC 60559ãžã®æºæ ãå«ã)ã«åŸã£ãŠãæµ®åå°æ°ç¹ã®ã¹ããŒã¿ã¹ãã©ã°ãå¶åŸ¡ã¢ãŒãã倿Žããããã以å€ã®å Žåã¯ããã©ã°ãå¶åŸ¡ã¢ãŒãã(ãŠãŒã¶ãæ€ç¥ã§ããããã«)倿Žããªãããã以å€ã®å Žåã¯ããã©ã°ãã¢ãŒãã倿ŽããŸããã
<fenv.h>ã®ferraiseexcept颿°ã®åŒæ°ããIEC 60559ã§æå¹ãªã¢ãããã¯æäœã®ããã®äžèŽããæµ®åå°æ°ç¹äŸå€(ããªãã¡ã"overflow "ãš "inexact"ããŸã㯠"underflow "ãš "inexact")ã衚ããŠããå Žåã"overflow "ãŸã㯠"underflow "ã "inexact "ã®åã«çºçããŸãã
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ã§ãµããŒããããŠããæµ®åå°æ°ç¹ã¹ããŒã¿ã¹ã»ãã©ã°ãæµ®åå°æ°ç¹å¶åŸ¡ã¢ãŒããç·ç§°ãããã®ã§ãã",
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¥ååŒæ°ã¯ãæµ®åå°æ°ç¹äŸå€ã®ãµãã»ããã衚ããŠããããŒãããŸãã¯1ã€ä»¥äžã®æµ®åå°æ°ç¹äŸå€ãã¯ãã®ãããããšã®ORãæå®ã§ããŸã(äŸ:FE_OVERFLOW | FE_INEXACTãªã©)ããã以å€ã®åŒæ°å€ã®å Žåããããã®é¢æ°ã®åäœã¯äžå®ã§ãã",
"title": "颿°"
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"title": "颿°"
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"title": "颿°"
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"text": "ISO/IEC 9899:2017 § 7.6.2.4 The fesetexceptflag functionã",
"title": "颿°"
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"tag": "p",
"text": "fesetexceptflag颿°ã¯ãåŒæ°exceptsããŒãã®å ŽåããŸãã¯æå®ããããã¹ãŠã®ãã©ã°ãé©åãªç¶æ
ã«æ£åžžã«èšå®ãããå Žåã«ã¯ãŒããè¿ããŸãããã以å€ã®å Žåã¯ããŒã以å€ã®å€ãè¿ããŸãã",
"title": "颿°"
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"text": "ISO/IEC 9899:2017 § 7.6.2.5 The fetestexcept functionã",
"title": "颿°"
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"text": "fetestexcept颿°ã¯ãæµ®åå°æ°ç¹äŸå€ãã©ã°ã®æå®ããããµãã»ããã®ãã¡ãã©ããçŸåšèšå®ãããŠããããå€å®ããŸããåŒæ°exceptsã¯ãåãåãããè¡ãæµ®åå°æ°ç¹ã¹ããŒã¿ã¹ã»ãã©ã°ãæå®ããŸãã ãã®é¢æ°ã«ãã£ãŠçºçããæµ®åå°æ°ç¹äŸå€ã®ãã©ãããåãããŸããF.8.6ã®ä»æ§ãåã粟ç¥ã«åºã¥ããŠããŸãã",
"title": "颿°"
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"text": "fegetround ããã³ fesetround 颿°ã¯ãäžžãæ¹åã¢ãŒãã®å¶åŸ¡ãè¡ããŸãã",
"title": "颿°"
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"title": "颿°"
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"tag": "p",
"text": "ãã®ã»ã¯ã·ã§ã³ã®é¢æ°ã¯ãã¹ããŒã¿ã¹ã»ãã©ã°ãã³ã³ãããŒã«ã»ã¢ãŒããšãã£ãæµ®åå°æ°ç¹ç°å¢ãäžã€ã®å®äœãšããŠç®¡çããŸãã",
"title": "颿°"
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.6.4.1 The fegetenv functionã",
"title": "颿°"
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.6.4.2 The feholdexcept functionã",
"title": "颿°"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.6.4.3 The fesetenv functionã",
"title": "颿°"
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"tag": "p",
"text": "feholdexceptã®åŒã³åºãã«ãã£ãŠèšå®ããããªããžã§ã¯ããæããããŸãã¯æµ®åå°æ°ç¹ç°å¢ãã¯ãã«çãããfesetenvã¯åã«ã·ã¹ãã ãã€ã³ã¹ããŒã«ããã ãã§ããã³ã¹ãããã¢ãŒãã®ã¿ãæäŸãããã®åŸã®ã€ã³ã¹ããŒã«ã¯äºçްãªããšã§ããããšã«æ³šæããŠãã ããããã®ãããªã·ã¹ãã ã§ã¯ãfeholdexcept颿°ãfeupdateenv颿°ãšçµã¿åãããŠäœ¿çšããåŒã³åºãå
ããåœã®æµ®åå°æ°ç¹äŸå€ãé ãã«ãŒãã³ãæžãããšãã§ããŸãã feholdexcept颿°ã¯ããã®åŒæ°ã§è¡šãããæµ®åå°æ°ç¹ã¹ããŒã¿ã¹ã»ãã©ã°ã®ç¶æ
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"title": "颿°"
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"text": "ISO/IEC 9899:2017 § 7.6.4.4 The feupdateenv functionã",
"title": "颿°"
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"text": "§6.5 Expressions ã§å®çŸ©ãããæäœããæšæºã©ã€ãã©ãªã§å®çŸ©ããã颿°ããã¯ãã¯ã以äžã®ããã«å€æŽãããŸããæšæºã©ã€ãã©ãªã§å®çŸ©ãããŠãã颿°ããã¯ãã¯ãããããã®ä»æ§(IEC 60559ãžã®æºæ ãå«ã)ã«åŸã£ãŠãæµ®åå°æ°ç¹ã®ã¹ããŒã¿ã¹ãã©ã°ãå¶åŸ¡ã¢ãŒãã倿Žããããã以å€ã®å Žåã¯ããã©ã°ãå¶åŸ¡ã¢ãŒãã(ãŠãŒã¶ãæ€ç¥ã§ããããã«)倿Žããªãããã以å€ã®å Žåã¯ããã©ã°ãã¢ãŒãã倿ŽããŸããã",
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| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1124.pdf
| title = C99: ISO/IEC 9899:TC2 Committee Draft â May 6, 2005 WG14/N1124
| page = 187 §7.6 ''Floating-point environment''
| publisher = ISO/IEC
| date = 2005-05-06}}</ref>ã
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ã fegetround ããã³ fesetround 颿°ã«ãã衚ãããäžžãæ¹åã®ååŸããã³èšå®ããµããŒãããŠããå Žåã«ã®ã¿å®çŸ©ãããŸããFE_ ãšå€§æåã§å§ãŸããã¯ãå®çŸ©ãæã€ãå®è£
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;FE_DFL_ENV
:ããã°ã©ã èµ·åæã«ã€ã³ã¹ããŒã«ãããããã©ã«ãã®æµ®åå°æ°ç¹ç°å¢ãåã¯ãconst-qualified fenv_tãžã®ãã€ã³ã¿ãã§ããããã¯ãæµ®åå°æ°ç¹ç°å¢ã管çãã <fenv.h> 颿°ã®åŒæ°ãšããŠäœ¿çšã§ããŸãã
æµ®åå°æ°ç¹ç°å¢ã管çãã<fenv.h>颿°ã®åŒæ°ãšããŠäœ¿çšã§ããŸãã
:FE_ãšå€§æåã§å§ãŸããã¯ãå®çŸ©ãæã¡ã"const-qualified fenv_tãžã®ãã€ã³ã¿ "åãæã€ã远å ã®å®è£
å®çŸ©ç°å¢ããå®è£
ã«ãã£ãŠæå®ãããããšããããŸãïŒ
== 䜿çšäŸ ==
:<syntaxhighlight lang=c line>
#include <fenv.h>
#include <float.h> // for DBL_MAX
#include <stdio.h>
#pragma STDC FENV_ACCESS ON
void show(void) {
int e = fetestexcept(FE_ALL_EXCEPT);
if (e & FE_DIVBYZERO)
puts("FE_DIVBYZERO");
if (e & FE_INEXACT)
puts("FE_INEXACT");
if (e & FE_INVALID)
puts("FE_INVALID");
if (e & FE_OVERFLOW)
puts("FE_OVERFLOW");
if (e & FE_UNDERFLOW)
puts("FE_UNDERFLOW");
if (!e)
puts("No Floating-point exception");
}
int main(void) {
feclearexcept(FE_ALL_EXCEPT);
show();
double x = 42.0 / 0.0;
puts(" double x = 42.0 / 0.0");
show();
double y = DBL_MAX;
puts(" double y = DBL_MAX");
show();
y += 1;
puts(" y += 1");
show();
}
</syntaxhighlight>
;å®è¡çµæ:<syntaxhighlight lang=text line>
% clang12 fe.c -o fe && ./fe
No Floating-point exception
double x = 42.0 / 0.0
FE_DIVBYZERO
double y = DBL_MAX
FE_DIVBYZERO
y += 1
FE_DIVBYZERO
FE_INEXACT
% clang12 -v
clang version 12.0.1
Target: x86_64-portbld-freebsd13.0
Thread model: posix
InstalledDir: /usr/local/llvm12/bin
</syntaxhighlight>
== 颿° ==
<code><fenv.h></code>ã§ã¯ãæµ®åå°æ°ç¹ç°å¢ã«ã¢ã¯ã»ã¹ãããã以äžã®é¢æ°ã宣èšãããŠããŸã<ref name="jtc1-sc22-wg14-n1570-b5">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page=420, B.5 Floating-point environment
| publisher=ISO/IEC}}</ref>ã
;<fenv.h>ã§å®£èšãããŠãã颿°
:<syntaxhighlight lang=c>
#pragma STDC FENV_ACCESS on-off-switch
int feclearexcept(int excepts);
int fegetexceptflag(fexcept_t *flagp, int excepts);
int feraiseexcept(int excepts);
int fesetexceptflag(const fexcept_t *flagp, int excepts);
int fetestexcept(int excepts);
int fegetround(void);
int fesetround(int round);
int fegetenv(fenv_t *envp);
int feholdexcept(fenv_t *envp);
int fesetenv(const fenv_t *envp);
int feupdateenv(const fenv_t *envp);
</syntaxhighlight>
=== æµ®åå°æ°ç¹äŸå€<!--7.6.2 Floating-point exceptions--> ===
以äžã®é¢æ°ã¯ãæµ®åå°æ°ç¹ã®ã¹ããŒã¿ã¹ã»ãã©ã°ãžã®ã¢ã¯ã»ã¹ãæäŸããŸã 219) ãããã®é¢æ°ã®intå
¥ååŒæ°ã¯ãæµ®åå°æ°ç¹äŸå€ã®ãµãã»ããã衚ããŠããããŒãããŸãã¯1ã€ä»¥äžã®æµ®åå°æ°ç¹äŸå€ãã¯ãã®ãããããšã®ORãæå®ã§ããŸãïŒäŸïŒFE_OVERFLOW | FE_INEXACTãªã©ïŒããã以å€ã®åŒæ°å€ã®å Žåããããã®é¢æ°ã®åäœã¯äžå®ã§ãã
==== feclearexcept颿° ====
ISO/IEC 9899:2017 § 7.6.2.1 ''The feclearexcept function''<ref name="jtc1-sc22-wg14-n2596-7.6.2.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 152, §7.6.2.1 ''The feclearexcept function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <fenv.h>
int feclearexcept(int excepts);
</syntaxhighlight>
; æ©èœ
: feclearexcept颿°ã¯ãåŒæ°exceptsã§æå®ããããµããŒãå¯Ÿè±¡ã®æµ®åå°æ°ç¹äŸå€ãã¯ãªã¢ããããšããŸãã
<!--
2 The feclearexcept function attempts to clear the supported floating-point exceptions represented by its argument.
-->
; è¿åŽå€
: feclearexcept颿°ã¯ãåŒæ°exceptsã0ã®å ŽåããŸãã¯æå®ããããã¹ãŠã®äŸå€ãæ£åžžã«ã¯ãªã¢ãããå Žåã«ã¯0ãè¿ããŸãããã以å€ã®å Žåã¯ããŒã以å€ã®å€ãè¿ããŸãã
<!--
3 The feclearexcept function returns zero if the excepts argument is zero or if all the specified exceptions were successfully cleared. Otherwise, it returns a nonzero value.
-->
==== fegetexceptflag颿° ====
ISO/IEC 9899:2017 § 7.6.2.2 ''The fegetexceptflag function''<ref name="jtc1-sc22-wg14-n2596-7.6.2.2">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 152, §7.6.2.2 ''The fegetexceptflag function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <fenv.h>
int fegetexceptflag(fexcept_t *flagp, int excepts);
</syntaxhighlight>
; æ©èœ
: fegetexceptflag颿°ã¯ãåŒæ°exceptsã§ç€ºãããæµ®åå°æ°ç¹ã®ã¹ããŒã¿ã¹ãã©ã°ã®ç¶æ
ããå®è£
ã§å®çŸ©ããã衚çŸã§ãåŒæ°flagpã§æããããªããžã§ã¯ãã«æ ŒçŽããããšããã
<!--
2 The fegetexceptflag function attempts to store an implementation-defined representation of the states of the floating-point status flags indicated by the argument excepts in the object pointed to by the argument flagp.
-->
; è¿åŽå€
: fegetexceptflag颿°ã¯ã衚çŸã®ä¿åã«æåããå Žåã¯0ãè¿ããŸãããã以å€ã®å Žåã¯ããŒã以å€ã®å€ãè¿ããŸãã
<!--
3 The fegetexceptflag function returns zero if the representation was successfully stored. Otherwise,it returns a nonzero value.
-->
==== feraiseexcept颿° ====
ISO/IEC 9899:2017 § 7.6.2.3 ''The feraiseexcept function''<ref name="jtc1-sc22-wg14-n2596-7.6.2.3">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 153, §7.6.2.3 ''The feraiseexcept function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <fenv.h>
int feraiseexcept(int excepts);
</syntaxhighlight>
; æ©èœ
: feraiseexcept颿°ã¯ãåŒæ°exceptsã§è¡šããããµããŒããããæµ®åå°æ°ç¹äŸå€ãçºçãããããšããŸã<ref>ãã®å¹æã¯ãç®è¡æŒç®ã«ãã£ãŠçºçããæµ®åå°æ°ç¹äŸå€ãšåæ§ã®ãã®ãæå³ããŠããŸãããã®ãããæå¹ãª ãã©ãããåãããŸãã[[#§F.8.6|F.8.6]] ã®ä»æ§ãåã粟ç¥ã«åºã¥ããŠããŸãã</ref>ããããã®æµ®åå°æ°ç¹äŸå€ãçºçãããé åºã¯ã[[#§F.8.6|F.8.6]] ''Changing the environment'' ã«èšèŒãããŠããå Žåãé€ããç¹å®ãããŠããŸãããferaiseexcept 颿°ã "overflow" ãŸã㯠"underflow" æµ®åå°æ°ç¹äŸå€ãçºçããããšãã« "inexact" æµ®åå°æ°ç¹äŸå€ã远å ã§çºçããããã©ããã¯ãå®è£
ã§å®çŸ©ãããŸãã
<!--
2 The feraiseexcept function attempts to raise the supported floating-point exceptions represented by its argument.220) The order in which these floating-point exceptions are raised is unspecified,except as stated in F.8.6. Whether the feraiseexcept function additionally raises the âinexactâfloating-point exception whenever it raises the âoverflowâ or âunderflowâ floating-point exception is implementation-defined.
-->
; è¿åŽå€
: feraiseexcept颿°ã¯ãexceptsåŒæ°ã0ã®å ŽåããŸãã¯æå®ããããã¹ãŠã®äŸå€ãæ£åžžã«çºçããå Žåã«ã¯0ãè¿ããŸãããã以å€ã®å Žåã¯ããŒã以å€ã®å€ãè¿ããŸãã
<!--
3 The feraiseexcept function returns zero if the excepts argument is zero or if all the specified exceptions were successfully raised. Otherwise, it returns a nonzero value.
-->
==== fesetexceptflag颿° ====
ISO/IEC 9899:2017 § 7.6.2.4 ''The fesetexceptflag function''<ref name="jtc1-sc22-wg14-n2596-7.6.2.4">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 153, §7.6.2.4 ''The fesetexceptflag function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <fenv.h>
int fesetexceptflag(const fexcept_t *flagp,int excepts);
</syntaxhighlight>
; æ©èœ
: fesetexceptflag颿°ã¯ãåŒæ°exceptsãç€ºãæµ®åå°æ°ç¹ã¹ããŒã¿ã¹ã»ãã©ã°ããflagpãæããªããžã§ã¯ãã«æ ŒçŽãããŠããç¶æ
ã«èšå®ããããšããŸããflagpã®å€ã¯ã第2åŒæ°ãå°ãªããšãexceptsã§ç€ºãããæµ®åå°æ°ç¹äŸå€ã衚ãfegetexceptflagã®ä»¥åã®åŒã³åºãã«ãã£ãŠèšå®ãããŠããªããã°ãªããŸããããã®é¢æ°ã¯ãæµ®åå°æ°ç¹ã®äŸå€ãçºçãããããã©ã°ã®ç¶æ
ãèšå®ããã ãã§ãã
<!--
2 The fesetexceptflag function attempts to set the floating-point status flags indicated by the argument excepts to the states stored in the object pointed to by flagp. The value of *flagp shall have been set by a previous call to fegetexceptflag whose second argument represented at least those floating-point exceptions represented by the argument excepts. This function does not raise floating-point exceptions, but only sets the state of the flags.
-->
; è¿åŽå€
fesetexceptflag颿°ã¯ãåŒæ°exceptsããŒãã®å ŽåããŸãã¯æå®ããããã¹ãŠã®ãã©ã°ãé©åãªç¶æ
ã«æ£åžžã«èšå®ãããå Žåã«ã¯ãŒããè¿ããŸãããã以å€ã®å Žåã¯ããŒã以å€ã®å€ãè¿ããŸãã
<!--
3 The fesetexceptflag function returns zero if the excepts argument is zero or if all the specified flags were successfully set to the appropriate state. Otherwise, it returns a nonzero value.
-->
==== fetestexcept颿° ====
ISO/IEC 9899:2017 § 7.6.2.5 ''The fetestexcept function''<ref name="jtc1-sc22-wg14-n2596-7.6.2.5">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 153, §7.6.2.5 ''The fetestexcept function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <fenv.h>
int fetestexcept(int excepts);
</syntaxhighlight>
; æ©èœ
fetestexcept颿°ã¯ãæµ®åå°æ°ç¹äŸå€ãã©ã°ã®æå®ããããµãã»ããã®ãã¡ãã©ããçŸåšèšå®ãããŠããããå€å®ããŸããåŒæ°exceptsã¯ãåãåãããè¡ãæµ®åå°æ°ç¹ã¹ããŒã¿ã¹ã»ãã©ã°ãæå®ããŸãã ãã®é¢æ°ã«ãã£ãŠçºçããæµ®åå°æ°ç¹äŸå€ã®ãã©ãããåãããŸãã[[#§F.8.6|F.8.6]]ã®ä»æ§ãåã粟ç¥ã«åºã¥ããŠããŸãã
<!--
2 The fetestexcept function determines which of a specified subset of the floating-point exception flags are currently set. The excepts argument specifies the floating-point status flags to be queried. traps for floating-point exceptions raised by this function are taken. The specification in F.8.6 is in the same spirit.
-->
; è¿åŽå€
: fetestexcept颿°ã¯ãåŒæ°exceptsã«å«ãŸããçŸåšèšå®ãããŠããæµ®åå°æ°ç¹äŸå€ã«å¯Ÿå¿ããæµ®åå°æ°ç¹äŸå€ãã¯ãã®ãããããšã®ORã®å€ãè¿ããŸãã
<!--
3 The fetestexcept function returns the value of the bitwise OR of the floating-point exception macros corresponding to the currently set floating-point exceptions included in excepts.
-->
=== äžžã<!--7.6.3 Rounding--> ===
fegetround ããã³ fesetround 颿°ã¯ãäžžãæ¹åã¢ãŒãã®å¶åŸ¡ãè¡ããŸãã
<!--
1 The fegetround and fesetround functions provide control of rounding direction modes.
-->
==== fegetround颿° ====
ISO/IEC 9899:2017 § 7.6.3.1 ''The fegetround function''<ref name="jtc1-sc22-wg14-n2596-7.6.3.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 154, §7.6.3.1 ''The fegetround function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <fenv.h>
int fegetround(void);
</syntaxhighlight>
; æ©èœ
: fegetround颿°ã¯ãçŸåšã®äžžãæ¹åãååŸããŸãã
<!--
2 The fegetround function gets the current rounding direction.
-->
; è¿åŽå€
: fegetround颿°ã¯ãçŸåšã®äžžãèŸŒã¿æ¹åã衚ãäžžãèŸŒã¿æ¹åãã¯ãã®å€ãè¿ãããã®ãããªäžžãèŸŒã¿æ¹åãã¯ãããªãå ŽåãçŸåšã®äžžãèŸŒã¿æ¹åãæ±ºå®ã§ããªãå Žåã¯è² ã®å€ãè¿ããŸãã
<!--
3 The fegetround function returns the value of the rounding direction macro representing the current rounding direction or a negative value if there is no such rounding direction macro or the current rounding direction is not determinable.
-->
==== fesetround颿° ====
ISO/IEC 9899:2017 § 7.6.3.2 ''The fesetround function''<ref name="jtc1-sc22-wg14-n2596-7.6.3.2">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 154, §7.6.3.2 ''The fesetround function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <fenv.h>
int fesetround(int round);
</syntaxhighlight>
; æ©èœ
: fesetround 颿°ã¯ãåŒæ° round ã§è¡šãããäžžãæ¹åã確ç«ãããåŒæ° round ãäžžãæ¹åãã¯ãã®å€ãšäžèŽããªãå Žåãäžžãæ¹åã¯å€æŽãããªãã
<!--
2 The fesetround function establishes the rounding direction represented by its argument round. If the argument is not equal to the value of a rounding direction macro, the rounding direction is not changed.
-->
; è¿åŽå€
: fesetround颿°ã¯ãèŠæ±ãããäžžãæ¹åã確ç«ãããŠããå Žåã«éãããŒããè¿ããŸãã
<!--
3 The fesetround function returns zero if and only if the requested rounding direction was established.
-->
=== ç°å¢<!--7.6.4 Environment--> ===
ãã®ã»ã¯ã·ã§ã³ã®é¢æ°ã¯ãã¹ããŒã¿ã¹ã»ãã©ã°ãã³ã³ãããŒã«ã»ã¢ãŒããšãã£ãæµ®åå°æ°ç¹ç°å¢ãäžã€ã®å®äœãšããŠç®¡çããŸãã
<!--
1 The functions in this section manage the floating-point environment â status flags and control modes â as one entity.
-->
==== fegetenv颿° ====
ISO/IEC 9899:2017 § 7.6.4.1 ''The fegetenv function''<ref name="jtc1-sc22-wg14-n2596-7.6.4.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 155, §7.6.4.1 ''The fegetenv function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <fenv.h>
int fegetenv(fenv_t *envp);
</syntaxhighlight>
; æ©èœ
: fegetenv颿°ã¯ãçŸåšã®æµ®åå°æ°ç¹ç°å¢ãenvpãæããªããžã§ã¯ãã«æ ŒçŽããããšããŸãã
<!--
2 The fegetenv function attempts to store the current floating-point environment in the object pointed to by envp.
-->
; è¿åŽå€
: fegetenv颿°ã¯ãç°å¢ã®ä¿åã«æåããå Žåã¯ãŒããè¿ããŸãããã以å€ã®å Žåã¯ããŒã以å€ã®å€ãè¿ããŸãã
<!--
3 The fegetenv function returns zero if the environment was successfully stored. Otherwise, it returns a nonzero value.
-->
==== feholdexcept颿° ====
ISO/IEC 9899:2017 § 7.6.4.2 ''The feholdexcept function''<ref name="jtc1-sc22-wg14-n2596-7.6.4.2">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 155, §7.6.4.2 ''The feholdexcept function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <fenv.h>
int feholdexcept(fenv_t *envp);
</syntaxhighlight>
; æ©èœ
: feholdexcept颿°ã¯ãåŒæ°envpãæããªããžã§ã¯ãã«çŸåšã®æµ®åå°æ°ç¹ç°å¢ãä¿åããæµ®åå°æ°ç¹ã®ã¹ããŒã¿ã¹ã»ãã©ã°ãã¯ãªã¢ããåŸãå©çšå¯èœã§ããã°ããã¹ãŠã®æµ®åå°æ°ç¹äŸå€ã«å¯ŸããŠãã³ã¹ãããïŒæµ®åå°æ°ç¹äŸå€æã«ç¶è¡ïŒã¢ãŒããã€ã³ã¹ããŒã«ããŸãã
<!--
2 The feholdexcept function saves the current floating-point environment in the object pointed to by envp, clears the floating-point status flags, and then installs a non-stop (continue on floating-point exceptions) mode, if available, for all floating-point exceptions.
-->
; è¿åŽå€
: feholdexcept颿°ã¯ããã³ã¹ãããæµ®åå°æ°ç¹äŸå€åŠçã®ã€ã³ã¹ããŒã«ã«æåããå Žåã«ã®ã¿ããŒããè¿ããŸãã
<!--
3 The feholdexcept function returns zero if and only if non-stop floating-point exception handling was successfully installed.
-->
==== fesetenv颿° ====
ISO/IEC 9899:2017 § 7.6.4.3 ''The fesetenv function''<ref name="jtc1-sc22-wg14-n2596-7.6.4.3">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 155, §7.6.4.3 ''The fesetenv function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <fenv.h>
int fesetenv(const fenv_t *envp);
</syntaxhighlight>
; æ©èœ
: fesetenv颿°ã¯ãenvpãæããªããžã§ã¯ãã§è¡šãããæµ®åå°æ°ç¹ç°å¢ã確ç«ããããšãããã®ã§ããåŒæ°envpã¯ãfegetenvãŸãã¯feholdexceptã®åŒã³åºãã«ãã£ãŠèšå®ããããªããžã§ã¯ããæããããŸãã¯æµ®åå°æ°ç¹ç°å¢ãã¯ãã«çãããªããã°ãªããªãã
feholdexceptã®åŒã³åºãã«ãã£ãŠèšå®ããããªããžã§ã¯ããæããããŸãã¯æµ®åå°æ°ç¹ç°å¢ãã¯ãã«çãããfesetenvã¯åã«ã·ã¹ãã ãã€ã³ã¹ããŒã«ããã ãã§ããã³ã¹ãããã¢ãŒãã®ã¿ãæäŸãããã®åŸã®ã€ã³ã¹ããŒã«ã¯äºçްãªããšã§ããããšã«æ³šæããŠãã ããããã®ãããªã·ã¹ãã ã§ã¯ãfeholdexcept颿°ãfeupdateenv颿°ãšçµã¿åãããŠäœ¿çšããåŒã³åºãå
ããåœã®æµ®åå°æ°ç¹äŸå€ãé ãã«ãŒãã³ãæžãããšãã§ããŸãã
feholdexcept颿°ã¯ããã®åŒæ°ã§è¡šãããæµ®åå°æ°ç¹ã¹ããŒã¿ã¹ã»ãã©ã°ã®ç¶æ
ãç£èŠãããããã®æµ®åå°æ°ç¹äŸå€ãçºçãããŸããã
<!--
2 The fesetenv function attempts to establish the floating-point environment represented by the object pointed to by envp. The argument envp shall point to an object set by a call to fegetenv or
feholdexcept, or equal a floating-point environment macro. Note that fesetenv merely installs the system provides only the non-stop mode then installing it is trivial. For such systems, the feholdexcept function can be used in conjunction with the feupdateenv function to write routines that hide spurious floating-point exceptions from their callers.
the state of the floating-point status flags represented through its argument, and does not raise these floating-point exceptions.
-->
; è¿åŽå€
: fesetenv颿°ã¯ãç°å¢ã®æ§ç¯ã«æåããå Žåã¯0ãè¿ããŸãããã以å€ã®å Žåã¯ããŒã以å€ã®å€ãè¿ããŸãã
<!--
3 The fesetenv function returns zero if the environment was successfully established. Otherwise, it returns a nonzero value.
-->
==== feupdateenv颿° ====
ISO/IEC 9899:2017 § 7.6.4.4 ''The feupdateenv function''<ref name="jtc1-sc22-wg14-n2596-7.6.4.4">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 156, §7.6.4.4 ''The feupdateenv function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
#include <fenv.h>
int feupdateenv(const fenv_t *envp);
</syntaxhighlight>
; æ©èœ
: feupdateenv颿°ã¯ãçŸåšçºçããŠããæµ®åå°æ°ç¹äŸå€ãèªå倿°ã«ä¿åããenvpãæããªããžã§ã¯ããè¡šãæµ®åå°æ°ç¹ç°å¢ãã€ã³ã¹ããŒã«ããŠãããä¿åããæµ®åå°æ°ç¹äŸå€ãçºçãããããšããŸããåŒæ°envpã¯ãfeholdexceptãŸãã¯fegetenvã®åŒã³åºãã«ãã£ãŠèšå®ããããªããžã§ã¯ããæããããŸãã¯æµ®åå°æ°ç¹ç°å¢ãã¯ãã«çãããªããã°ãªããŸããã
<!--
2 The feupdateenv function attempts to save the currently raised floating-point exceptions in its automatic storage, install the floating-point environment represented by the object pointed to by envp, and then raise the saved floating-point exceptions. The argument envp shall point to an object set by a call to feholdexcept or fegetenv, or equal a floating-point environment macro.
-->
; è¿åŽå€
: feupdateenv颿°ã¯ããã¹ãŠã®ã¢ã¯ã·ã§ã³ãæ£åžžã«å®è¡ãããå Žåã¯ãŒããè¿ããŸãããã以å€ã®å Žåã¯ããŒã以å€ã®å€ãè¿ããŸãã
<!--
3 The feupdateenv function returns zero if all the actions were successfully carried out. Otherwise, it returns a nonzero value.
-->
* N2176 C17 ballot ISO/IEC 9899:2017 {{Anchors|§F.8.6}} ''Changing the environment''<ref name="jtc1-sc22-wg14-n2596-F.8.6">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 374, §F.8.6 ''Changing the environment''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>.
§6.5 ''Expressions'' ã§å®çŸ©ãããæäœããæšæºã©ã€ãã©ãªã§å®çŸ©ããã颿°ããã¯ãã¯ã以äžã®ããã«å€æŽãããŸããæšæºã©ã€ãã©ãªã§å®çŸ©ãããŠãã颿°ããã¯ãã¯ãããããã®ä»æ§ïŒIEC 60559ãžã®æºæ ãå«ãïŒã«åŸã£ãŠãæµ®åå°æ°ç¹ã®ã¹ããŒã¿ã¹ãã©ã°ãå¶åŸ¡ã¢ãŒãã倿Žããããã以å€ã®å Žåã¯ããã©ã°ãå¶åŸ¡ã¢ãŒããïŒãŠãŒã¶ãæ€ç¥ã§ããããã«ïŒå€æŽããªãããã以å€ã®å Žåã¯ããã©ã°ãã¢ãŒãã倿ŽããŸããã
<fenv.h>ã®ferraiseexcept颿°ã®åŒæ°ããIEC 60559ã§æå¹ãªã¢ãããã¯æäœã®ããã®äžèŽããæµ®åå°æ°ç¹äŸå€ïŒããªãã¡ã"overflow "ãš "inexact"ããŸã㯠"underflow "ãš "inexact"ïŒã衚ããŠããå Žåã"overflow "ãŸã㯠"underflow "ã "inexact "ã®åã«çºçããŸãã
double_t x = 1.1e75;
ã¯ã衚çŸã®è©äŸ¡æ¹æ³ã«é¢ãããã翻蚳æã«è¡ãããšãã§ããŸãã
==èèš»==
<references />
== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
[[Category:Cèšèª|fenv.h]] | null | 2021-09-03T02:17:03Z | [
"ãã³ãã¬ãŒã:Cite book",
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{{Nav}}
<code><float.h></code>ã¯Cèšèªã®æšæºããããŒã§ã<ref>{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page = 216, § 7.7 ''Characteristics of floating types''
| publisher=ISO/IEC
| date = 2011-04-12}}</ref>ã
æšæºã®æµ®åå°æ°ç¹åã®ããŸããŸãªå¶éããã©ã¡ãŒã¿ã«å±éããããã€ãã®ãã¯ããå®çŸ©ãããŠããŸãã
æµ®åå°æ°ç¹åã®ç¹æ§ã¯ãæµ®åå°æ°ç¹æ°ã®è¡šçŸãèšè¿°ããã¢ãã«ãšãæµ®åå°æ°ç¹æ°ã«é¢ããæ
å ±ãæäŸããå€ã®èгç¹ããå®çŸ©ãããŠããŸã<ref>{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page = 28, § 5.2.4.2.2 ''Characteristics of floating types''
| publisher=ISO/IEC
| date = 2011-04-12}}</ref>ã
åæµ®åå°æ°ç¹ã¿ã€ãã®ã¢ãã«ãå®çŸ©ããããã«ã次ã®ãã©ã¡ãŒã¿ã䜿çšãããŸãã
; <math>s</math> : ç¬Šå· (±1)
; <math>b</math> : ææ°è¡šçŸã®åºæ°ãŸãã¯åºæ° (1 以äžã®æŽæ°)
; <math>e</math> : ææ°ïŒæå° <math>e_{min}</math> ããæå€§ <math>e_{max}</math> ãŸã§ã®æŽæ°
; <math>p</math> : 粟床 (åºæ°<math>b</math>ã§è¡šããã笊å·ã®æ¡æ°)
; <math>f_k</math> : <math>b</math>ããå°ããéè² ã®æŽæ°(æ·»ãåã®æ¡æ°)
æµ®åå°æ°ç¹æ°ïŒ<math>X</math>ïŒã¯ä»¥äžã®ã¢ãã«ã§å®çŸ©ãããŸãã
: <math>X = sb^e \sum_{k=1}^{p} f_k b^{-k}, e_{min} \leq e \leq e_{max}</math>
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== ãã¯ã ==
ãã¯ããšãã®æå³ãå€ã®å¶çŽïŒãŸãã¯å¶éïŒã瀺ããŸãã
{| class="sortable wikitable"
|+ <float.h>ã§å®çŸ©ããããã¯ã<ref>{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page = 478, § B.6 ''Characteristics of floating types''
| publisher=ISO/IEC
| date = 2011-04-12}}</ref>
! scope="col" | ãã¯ã
! scope="col" | æå³
! scope="col" | åè
|-
! scope="row" | FLT_ROUNDS
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; æµ®åå°æ°ç¹å ç®ã®äžžãã¢ãŒã
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:; 1 : floatããã³doubleåã®æŒç®ããã³å®æ°ãïŒdoubleåã®ç¯å²ããã³ç²ŸåºŠã§è©äŸ¡ãããdoubleåã®ç¯å²ãšç²ŸåºŠã§è©äŸ¡ããlong doubleåã®æŒç®ãšå®æ°ãlong doubleåã®ç¯å²ãšç²ŸåºŠã§è©äŸ¡ãããåã®ç¯å²ãšç²ŸåºŠã§è©äŸ¡ãïŒlong double åã®æŒç®ãšå®æ°ã¯ïŒlong double åã®ç¯å²ãšç²ŸåºŠã§è©äŸ¡ããã
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|
|-
! scope="row" | FLT_HAS_SUBNORM
|
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| long doubleåã®LDBL_RADIXãåºæ°ãšããä»®æ°éšã®æ¡æ° ||
|-
! scope="row" | FLT_DECIMAL_DIG
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|-
! scope="row" | LDBL_DECIMAL_DIG
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|-
! scope="row" | DBL_DIG
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! scope="row" | LDBL_DIG
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! scope="row" | FLT_MIN_EXP
| ||
|-
! scope="row" | DBL_MIN_EXP
| ||
|-
! scope="row" | LDBL_MIN_EXP
| ||
|-
! scope="row" | FLT_MIN_10_EXP
| ||
|-
! scope="row" | DBL_MIN_10_EXP
| ||
|-
! scope="row" | LDBL_MIN_10_EXP
| ||
|-
! scope="row" | FLT_MAX_EXP
| ||
|-
! scope="row" | DBL_MAX_EXP
| ||
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! scope="row" | LDBL_MAX_EXP
| ||
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! scope="row" | DBL_MAX
| ||
|-
! scope="row" | LDBL_MAX
| ||
|-
! scope="row" | FLT_EPSILON
| ||
|-
! scope="row" | DBL_EPSILON
| ||
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! scope="row" | LDBL_EPSILON
| ||
|-
! scope="row" | FLT_MIN
| ||
|-
! scope="row" | DBL_MIN
| ||
|-
! scope="row" | LDBL_MIN
| ||
|-
! scope="row" | FLT_TRUE_MIN
| ||
|-
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| ||
|-
! scope="row" | LDBL_TRUE_MIN
| ||
|}
==èèš»==
<references />
== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
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32,232 | å¬ç è¡ | ããªãã¯å¬ç è¡ãšèããŠã©ããªã€ã¡ãŒãžãæãæµ®ãã¹ãŸãã? ã人ãäžç¬ã«ããŠç ãããæè¡ãã§ããããããããšããå®éã«ã¯ååšããªãæªãããªè¡ãã§ããããã å¬ç è¡ãšããèšèèªäœã¯ãå€ãã®äººã«ç¥ãããŠããŸãããå
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ç®ãããã°ãç®æ¬¡ããåé
ç®ã«é£ãã§èªãã§ã¿ãŠãã ããã | [
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"title": "ãŸããã"
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ç®ãããã°ãç®æ¬¡ããåé
ç®ã«é£ãã§èªãã§ã¿ãŠãã ããã",
"title": "ãã®æ¬ã®èªã¿æ¹"
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| null | {{Wikipedia|å¬ç è¡}}
== ãŸããã ==
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== ãã®æ¬ã®èªã¿æ¹ ==
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{{NDC|140}} | null | 2021-09-20T08:05:11Z | [
"ãã³ãã¬ãŒã:é²æç¶æ³",
"ãã³ãã¬ãŒã:NDC",
"ãã³ãã¬ãŒã:Wikipedia"
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| https://ja.wikibooks.org/wiki/%E5%82%AC%E7%9C%A0%E8%A1%93 |
32,241 | Cèšèª/æšæºã©ã€ãã©ãª/iso646.h | ããããŒ<iso646.h> ã¯ã代æ¿ã€ã¥ããã¯ããæäŸããŸãã
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<iso646.h> ã¯ãISO/IEC 9899/AMD1:1995 (C95)ã§è¿œå ãããŸããã | [
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| ããããŒ<iso646.h> ã¯ã代æ¿ã€ã¥ããã¯ããæäŸããŸãã <iso646.h> ã¯ãããªãŒã¹ã¿ã³ãã£ã³ã°ç°å¢ã§äœ¿ããæšæºã©ã€ãã©ãªã®1ã€ã§ãã | {{Nav}}
ããããŒ<code><iso646.h></code> ã¯ã代æ¿ã€ã¥ããã¯ããæäŸããŸã<ref name="jtc1-sc22-wg14-n1570-7.9">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page=202, §7.9 ''Alternative spellings''
| publisher=ISO/IEC}}</ref>ã
<code><iso646.h></code> ã¯ãããªãŒã¹ã¿ã³ãã£ã³ã°ç°å¢ã§äœ¿ããæšæºã©ã€ãã©ãªã®1ã€ã§ã<ref name="jtc1-sc22-wg14-n1570-4">{{cite book
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| title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page=8, § 4. ''Conformance''
| publisher=ISO/IEC}}</ref>ã
== ãã¯ã ==
<code><iso646.h></code> ã§ã¯ã以äžã®11åã®ãã¯ããå®çŸ©ãããŠããŸã<ref name="jtc1-sc22-wg14-n1570-7.9" />ã
; å®çŸ©ããããã¯ããšå€ã
:<syntaxhighlight lang=c>
#define and &&
#define and_eq &=
#define bitand &
#define bitor |
#define compl ~
#define not !
#define not_eq !=
#define or ||
#define or_eq |=
#define xor ^
#define xor_eq ^=
</syntaxhighlight>
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== æŽå² ==
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<references />
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== åèæç® ==
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"ãã³ãã¬ãŒã:Nav",
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32,242 | Cèšèª/æšæºã©ã€ãã©ãª/uchar.h | ããã㌠<uchar.h> ã¯ãUnicode æåãæäœããããã®åãšé¢æ°ã宣èšããŠããŸãã
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<uchar.h> ã¯ãC Unicode Technical Report ISO/IEC TR 19769:2004ãååºã§ãISO/IEC 9899:2011(C11)ã§è¿œå ãããŸããã | [
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"text": "ããã㌠<uchar.h> ã¯ãUnicode æåãæäœããããã®åãšé¢æ°ã宣èšããŠããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ããã㌠<uchar.h> ã§å®çŸ©ãããåã",
"title": "å"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ãããã®é¢æ°ã¯ãé¢é£ãããã«ããã€ãæååã®çŸåšã®å€æç¶æ
ãå®å
šã«èšè¿°ããããšãã§ãããªããžã§ã¯ããæãmbstate_tãžã®ãã€ã³ã¿åã®ãã©ã¡ãŒã¿ ps ãæã¡ã颿°ã¯å¿
èŠã«å¿ããŠãã®ãªããžã§ã¯ãã倿ŽããŸãã ps ã NULL ãã€ã³ã¿ã®å Žåãå颿°ã¯å
éšã® mbstate_t ãªããžã§ã¯ãã代ããã«äœ¿çšããŸãããã®ãªããžã§ã¯ãã¯ãããã°ã©ã èµ·åæã«åæã®å€æç¶æ
ã«åæåãããŸãã ãã®å Žåãåã颿°ã®ä»ã®åŒã³åºããšã®ããŒã¿ç«¶åãé¿ããããã«ã颿°ã¯å¿
èŠãããŸããã",
"title": "颿°"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "ãããããå®çŸ©ããããã¯ãåã®ãã¡ãç°å¢ãã¯ã(Environment macros)ã¯ã<uchar.h> ã«é¢é£ããã®ã§ãããã§ç޹ä»ããŸãã",
"title": "ç°å¢ãã¯ã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "",
"title": "ç°å¢ãã¯ã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "<uchar.h> ã¯ãC Unicode Technical Report ISO/IEC TR 19769:2004ãååºã§ãISO/IEC 9899:2011(C11)ã§è¿œå ãããŸããã",
"title": "æŽå²"
}
]
| ããã㌠<uchar.h> ã¯ãUnicode æåãæäœããããã®åãšé¢æ°ã宣èšããŠããŸãã | {{ã¹ã¿ã}}
{{Nav}}
ããã㌠<code><uchar.h></code> ã¯ãUnicode æåãæäœããããã®åãšé¢æ°ã宣èšããŠããŸã<ref name="jtc1-sc22-wg14-n1570-7.28">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12ã 2011 ISO/IEC 9899:201x
| page=398ã §7.28 ''Unicode utilities <uchar.h>''
| publisher=ISO/IEC}}</ref>ã
== å ==
ããã㌠<code><uchar.h></code> ã§å®çŸ©ãããå<ref name="jtc1-sc22-wg14-n1570-7.28" />ã
; mbstate_t
: <wchar.h>ã§å®çŸ©ã
; size_t
: <stddef.h>ã§å®çŸ©ã
; char16_t
: 16ãããæåã«äœ¿çšããã笊å·ãªãæŽæ°åã§ãã
: uint_least16_tïŒ<stdint.h>ã§å®çŸ©ïŒãšåãåã§ãã
; char32_t
: 32ãããæåã«äœ¿çšããã笊å·ãªãæŽæ°åã§ãã
: uint_least32_tïŒ<stdint.h>ã§å®çŸ©ïŒãšåãåã§ãã
== 颿° ==
=== ãªã¹ã¿ãŒãå¯èœãªãã«ããã€ãïŒã¯ã€ãæå倿颿° ===
ãããã®é¢æ°ã¯ãé¢é£ãããã«ããã€ãæååã®çŸåšã®å€æç¶æ
ãå®å
šã«èšè¿°ããããšãã§ãããªããžã§ã¯ããæãmbstate_tãžã®ãã€ã³ã¿åã®ãã©ã¡ãŒã¿ <var>ps</var> ãæã¡ã颿°ã¯å¿
èŠã«å¿ããŠãã®ãªããžã§ã¯ãã倿ŽããŸãã <var>ps</var> ã NULL ãã€ã³ã¿ã®å Žåãå颿°ã¯å
éšã® mbstate_t ãªããžã§ã¯ãã代ããã«äœ¿çšããŸãããã®ãªããžã§ã¯ãã¯ãããã°ã©ã èµ·åæã«åæã®å€æç¶æ
ã«åæåãããŸãã
ãã®å Žåãåã颿°ã®ä»ã®åŒã³åºããšã®ããŒã¿ç«¶åãé¿ããããã«ã颿°ã¯å¿
èŠãããŸãã<ref name="jtc1-sc22-wg14-n1570-7.28.1">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12ã 2011 ISO/IEC 9899:201x
| page=398ã §7.28.1 ''Restartable multibyte/wide character conversion functions''
| publisher=ISO/IEC}}</ref>ã
==== mbrtoc16 ====
; 圢åŒ
: <syntaxhighlight lang=c>
#include <uchar.h>
size_t mbrtoc16(char16_t * restrict pc16,
const char * restrict s, size_t n,
mbstate_t * restrict ps);
</syntaxhighlight>
::<var>s</var> ãNULLãã€ã³ã¿ã®å Žåã¯ã次ã®åŒã³åºããšåãã§ãã
::<syntaxhighlight lang=c>
mbrtoc16(NULL, "", 1, ps)
</syntaxhighlight>
::ãã®å Žåããã©ã¡ãŒã¿ pc16 ãš n ã®å€ã¯ç¡èŠãããŸãã
: sããã«ãã€ã³ã¿ãŒã§ãªãå Žåãmbrtoc16颿°ã¯ãsãæããã€ãããæå€§ã§nãã€ããæ€æ»ããæ¬¡ã®ãã€ããå®äºããããã«å¿
èŠãªãã€ãæ°ã決å®ããŸãã
: 次ã®ãã«ããã€ãæåïŒã·ããã·ãŒã±ã³ã¹ãå«ãïŒã宿ãããããã«å¿
èŠãªãã€ãæ°ã決å®ããŸãã
: 次ã®ãã«ããã€ãæåã宿ãããšå€æããå Žå ãã®é¢æ°ã¯ã次ã®ãã«ããã€ãæåãå®å
šãã€æå¹ã§ãããšå€æããå Žåã察å¿ããã¯ã€ãæåã®å€ã決å®ããpc16ããã«ãã€ã³ã¿ã§ãªãå Žåã¯ãæåã®ïŒãŸãã¯å¯äžã®ïŒã¯ã€ãæåã®å€ãæ ŒçŽããŸãããã®ãããªæåã®æåã®ïŒãããã¯å¯äžã®ïŒå€ããpc16 ãæããªããžã§ã¯ãã«æ ŒçŽããŸããåŸç¶ã®åŒã³åºãã§ã¯ããã¹ãŠã®æåãæ ŒçŽããããŸã§ã远å ã®å
¥åãæ¶è²»ããã«æ¬¡ã
ãšã¯ã€ãæåãæ ŒçŽãããŸãã察å¿ããã¯ã€ãæåããã«ã¯ã€ãæåã§ãã£ãå ŽåïŒçµæãšããŠåŸãããç¶æ
ã¯ïŒåæå€æç¶æ
ã§ãã
; æ»å€
: mbrtoc16 颿°ã¯ïŒçŸåšã®å€æç¶æ
ãèæ
®ããŠïŒä»¥äžã®ãã¡æåã«åœãŠã¯ãŸããã®ãè¿ããŸãã
:; 次ã®nå以äžã®ãã€ããïŒãã«ã¯ã€ãæåïŒæ ŒçŽãããŠããå€ïŒã«å¯Ÿå¿ãããã«ããã€ãæåã宿ãããå Žå
:: 0
:; 次㮠n ãã€ã以äžã§ïŒæå¹ãªãã«ããã€ãæåïŒæ ŒçŽãããŠããå€ïŒã宿ããå Žå
:: 1 ä»¥äž n 以äžã®ãã€ãæ°ã
:; 以åã®åŒã³åºãã«ããæ¬¡ã®æåãæ ŒçŽãããŠããå Žå(å
¥åããã®ãã€ããæ¶è²»ãããŠããªãå Žå)
:: (size_t)(-3)
:; 次㮠n ãã€ããäžå®å
šãª (ãããæœåšçã«æå¹ãª) ãã«ããã€ãæåã«å¯äžããå Žåã
:: (size_t)(-2)
:; ãšã³ã³ãŒãã£ã³ã°ãšã©ãŒãçºçããæ¬¡ã® n ãã€ã以äžãå®å
šã§æå¹ãªãã«ããã€ãæåã«å¯äžããªãå ŽåïŒå€ã¯æ ŒçŽãããªãïŒ
:: (size_t)(-1)
::: ãã¯ã EILSEQ ã®å€ã¯ errno ã«æ ŒçŽãããå€æç¶æ
ã¯æªå®çŸ©ã§ããã
==== c16rtomb ====
; 圢åŒ
: <syntaxhighlight lang=c>
#include <uchar.h>
size_t c16rtomb(char * restrict s, char16_t c16,
mbstate_t * restrict ps);
</syntaxhighlight>
==== mbrtoc32 ====
; 圢åŒ
: <syntaxhighlight lang=c>
#include <uchar.h>
size_t mbrtoc32(char32_t * restrict pc32,
const char * restrict s, size_t n,
mbstate_t * restrict ps);
</syntaxhighlight>
==== c32rtomb ====
; 圢åŒ
: <syntaxhighlight lang=c>
#include <uchar.h>
size_t c32rtomb(char * restrict s, char32_t c32,
mbstate_t * restrict ps);
</syntaxhighlight>
== ç°å¢ãã¯ã ==
[[Cèšèª/ååŠçæä»€#ãããããå®çŸ©ããããã¯ãå|ãããããå®çŸ©ããããã¯ãå]]ã®ãã¡ãç°å¢ãã¯ãïŒEnvironment macros<ref name="jtc1-sc22-wg14-n1570-6.10.8.2">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12ã 2011 ISO/IEC 9899:201x
| page=176, § 6.10.8.2 ''Environment macros''
| publisher=ISO/IEC}}</ref>ïŒã¯ã<uchar.h> ã«é¢é£ããã®ã§ãããã§ç޹ä»ããŸã<ref>[[C++]]ã§ã¯C++20ãããchar16_tåã®ãšã³ã³ãŒããã³ã°ã¯UTF-16ãchar32_tåã®ãšã³ã³ãŒãã£ã³ã°ã¯UTF-32ã¯ã§ããããšãæšæºèŠæ Œã®äžéšãšãªããŸããã</ref>ã
; __STDC_ISO_10646__
: yyyymmL圢åŒã®æŽæ°å®æ°ïŒäŸïŒ199712LïŒã
: ãã®ã·ã³ãã«ãå®çŸ©ãããŠããå ŽåãUnicodeå¿
é éåïŒ Unicode required set ïŒã®ãã¹ãŠã®æåã¯ãwchar_tåã®ãªããžã§ã¯ãã«æ ŒçŽãããŠããå Žåããã®æåã®çãèå¥åãšåãå€ãæã¡ãŸãã
: Unicodeå¿
é éåã¯ãISO/IEC 10646ã§å®çŸ©ãããŠãããã¹ãŠã®æåã¯ããã¯ãã®å€ã§ç€ºããã幎æã«ããããã¹ãŠã®ä¿®æ£ããã³æè¡çã³ãŒãªã²ã³ãã§æ§æãããŠããŸãã
: ä»ã®ãšã³ã³ãŒãã£ã³ã°ã䜿çšãããŠããå Žåã¯ããã¯ããå®çŸ©ããŠã¯ãªãããå®éã«äœ¿çšããããšã³ã³ãŒãã£ã³ã°ã¯å®è£
ã§å®çŸ©ãããã
; __STDC_MB_MIGHT_NEQ_WC__
: æŽæ°å®æ° 1 ãªãã°ãwchar_t ã®ãšã³ã³ãŒãã£ã³ã°ã«ãããŠãåºæ¬æåã»ããã®ã¡ã³ããŒãæŽæ°æå宿°ã®åç¬æåãšããŠäœ¿çšããããšãã«ããã®å€ãšçããã³ãŒãå€ãæã€å¿
èŠããªãããšã瀺ãããšãæå³ããŠããŸãã
; __STDC_UTF_16__
: æŽæ°å®æ° 1 ãªãã¯ãchar16_tåã®å€ãUTF-16ã§ãšã³ã³ãŒããããŠããããšã瀺ããŸããä»ã®ãšã³ã³ãŒãã£ã³ã°ã䜿çšãããŠããå Žåã¯ããã®ãã¯ããå®çŸ©ããŠã¯ãªãããå®éã«äœ¿çšããããšã³ã³ãŒãã£ã³ã°ã¯å®è£
ã§å®çŸ©ãããŸãã
; __STDC_UTF_32__
: æŽæ°å®æ° 1 ãªãã¯ãchar32_tåã®å€ãUTF-32ã§ãšã³ã³ãŒããããŠããããšã瀺ããŸããä»ã®ãšã³ã³ãŒãã£ã³ã°ã䜿çšãããŠããå Žåã¯ããã®ãã¯ãã¯å®çŸ©ããŠã¯ãªãããå®éã«äœ¿çšããããšã³ã³ãŒãã£ã³ã°ã¯å®è£
ã§å®çŸ©ãããŸãã
== æŽå² ==
<code><uchar.h></code> ã¯ãC Unicode Technical Report ISO/IEC TR 19769:2004ãååºã§<ref name="jtc1-sc22-wg14-n1570-xiii">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12ã 2011 ISO/IEC 9899:201x
| page=xiii, ''Foreword''
| publisher=ISO/IEC}}</ref>ãISO/IEC 9899:2011(C11)ã§è¿œå ãããŸãã<ref name="jtc1-sc22-wg14-n1570-7.28" />ã
== èèš» ==
<references />
<!--
== é¢é£é
ç® ==
-->
== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
[[Category:Cèšèª|uchar.h]] | null | 2021-08-28T07:56:51Z | [
"ãã³ãã¬ãŒã:ã¹ã¿ã",
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Cite book"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/uchar.h |
32,243 | Cèšèª/Keywords | ã ã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ã ã",
"title": ""
}
]
| ãã alignasC23
alignofC23
auto
boolC23
break
case
char
const
constexprC23
continue
default
do
double
else
enum
extern
falseC23
float
for
goto
if
inline
int
long
nullptrC23
register
restrict
return
short
signed
sizeof
static
static_assertC23
struct
switch
thread_localC23
trueC23
typedef
typeofC23
typeof_unqualC23
union
unsigned
void
volatile
while _AlignasC11â C23 _AlignofC11â C23 _AtomicC11 _BitIntC23
_Boolâ C23 _ComplexC99 _Decimal128C23 _Decimal32C23 _Decimal64C23 _GenericC11 _ImaginaryC99 _NoreturnC11 _Static_assertC11â C23 _Thread_localC11â C23 â 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | <ref name="jtc1-sc22-wg14-n2596-6.4.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 42, §6.4.1 ''Keywords''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
<ref name="jtc1-sc22-wg14-n3054-6.4.1">{{cite book
| url = https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3054.pdf
| title = N3054 working draft â September 3, 2022 ISO/IEC 9899:2023 (E)
| page = 53, §6.4.1 ''Keywords''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
{{Hlist|class="hlist hlist-comma"
|alignas<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|alignof<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|[[Cèšèª/ããŒã¿åãšå€æ°#auto|auto]]
|bool<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|[[Cèšèª/å¶åŸ¡æ#break%E6%96%87|break]]
|[[Cèšèª/å¶åŸ¡æ#switch%E6%96%87|case]]
|[[Cèšèª/ããŒã¿åãšå€æ°#%E4%B8%BB%E3%81%AA%E3%83%87%E3%83%BC%E3%82%BF%E5%9E%8B|char]]
|[[Cèšèª/ããŒã¿åãšå€æ°#const|const]]
|constexpr<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|[[Cèšèª/å¶åŸ¡æ#continue%E6%96%87|continue]]
|[[Cèšèª/å¶åŸ¡æ#switch%E6%96%87|default]]
|[[Cèšèª/å¶åŸ¡æ#do-while%E6%96%87|do]]
|[[Cèšèª/ããŒã¿åãšå€æ°#%E4%B8%BB%E3%81%AA%E3%83%87%E3%83%BC%E3%82%BF%E5%9E%8B|double]]
|[[Cèšèª/å¶åŸ¡æ#if%E6%96%87|else]]
|[[Cèšèª/ããŒã¿åãšå€æ°#enum|enum]]
|[[Cèšèª/ããŒã¿åãšå€æ°#extern|extern]]
|false<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|[[Cèšèª/ããŒã¿åãšå€æ°#%E4%B8%BB%E3%81%AA%E3%83%87%E3%83%BC%E3%82%BF%E5%9E%8B|float]]
|[[Cèšèª/å¶åŸ¡æ#for%E6%96%87|for]]
|[[Cèšèª/å¶åŸ¡æ#goto%E6%96%87|goto]]
|[[Cèšèª/å¶åŸ¡æ#if%E6%96%87|if]]
|[[Cèšèª/颿°#inline|inline]]
|[[Cèšèª/ããŒã¿åãšå€æ°#%E4%B8%BB%E3%81%AA%E3%83%87%E3%83%BC%E3%82%BF%E5%9E%8B|int]]
|[[Cèšèª/ããŒã¿åãšå€æ°#%E4%B8%BB%E3%81%AA%E3%83%87%E3%83%BC%E3%82%BF%E5%9E%8B|long]]
|nullptr<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|[[Cèšèª/ããŒã¿åãšå€æ°#register|register]]
|[[Cèšèª/ããŒã¿åãšå€æ°#restrict|restrict]]
|[[Cèšèª/å¶åŸ¡æ#return%E6%96%87|return]]
|[[Cèšèª/ããŒã¿åãšå€æ°#%E4%B8%BB%E3%81%AA%E3%83%87%E3%83%BC%E3%82%BF%E5%9E%8B|short]]
|[[Cèšèª/ããŒã¿åãšå€æ°#%E4%B8%BB%E3%81%AA%E3%83%87%E3%83%BC%E3%82%BF%E5%9E%8B|signed]]
|[[Cèšèª/æŒç®åãšåŒ#sizeof%E6%BC%94%E7%AE%97%E5%AD%90|sizeof]]
|[[Cèšèª/ããŒã¿åãšå€æ°#static|static]]
|static_assert<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|[[Cèšèª/æ§é äœ|struct]]
|[[Cèšèª/å¶åŸ¡æ#switch%E6%96%87|switch]]
|thread_local<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|true<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|[[Cèšèª/ããŒã¿åãšå€æ°#typedef|typedef]]
|typeof<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|typeof_unqual<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|[[Cèšèª/å
±çšäœ|union]]
|[[Cèšèª/ããŒã¿åãšå€æ°#%E4%B8%BB%E3%81%AA%E3%83%87%E3%83%BC%E3%82%BF%E5%9E%8B|unsigned]]
|[[Cèšèª/ããŒã¿åãšå€æ°#%E4%B8%BB%E3%81%AA%E3%83%87%E3%83%BC%E3%82%BF%E5%9E%8B|void]]
|[[Cèšèª/ããŒã¿åãšå€æ°#volatile|volatile]]
|[[Cèšèª/å¶åŸ¡æ#%E7%B9%B0%E3%82%8A%E8%BF%94%E3%81%97%E6%96%87|while]]
| [[Cèšèª/æšæºã©ã€ãã©ãª/stdalign.h#alignas|_Alignas]]<sup>C11</sup><sup>â C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
| [[Cèšèª/æŒç®åãšåŒ# AlignofæŒç®å|_Alignof]]<sup>C11</sup><sup>â C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
| _Atomic<sup>C11</sup>
| _BitInt<sup>C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
|[[Cèšèª/æšæºã©ã€ãã©ãª/stdbool.h|_Bool]]<sup>â C23<ref name="jtc1-sc22-wg14-n3054-6.4.1"/></sup>
| [[Cèšèª/æšæºã©ã€ãã©ãª/complex.h#ãã¯ã|_Complex]]<sup>C99</sup>
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åãã®è©±é¡#Noreturn颿°æå®å|_Noreturn]]<sup>C11</sup>
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32,248 | Cèšèª/æšæºã©ã€ãã©ãª/threads.h | ISO/IEC 9899:2011(C11)ã§æšæºã«è¿œå ãããããããŒ<threads.h>ã§ã¯ãè€æ°ã®ã¹ã¬ããå®è¡ããµããŒããããã¯ããå®çŸ©ããåãåæå®æ°ãããã³é¢æ°ã宣èšããŠããŸãã ããããŒ<threads.h>ã¯ãããããŒ<time.h>ã(æé»ã«)ã€ã³ã¯ã«ãŒãããŸãã <threads.h>ãã€ã³ã¯ã«ãŒããããšã<time.h>ã(æé»ã«)ã€ã³ã¯ã«ãŒããããŸãã
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ISO/IEC 9899:2011(C11)ã§æšæºã«è¿œå ãããããããŒ<code><threads.h></code>ã§ã¯ãè€æ°ã®ã¹ã¬ããå®è¡ããµããŒããããã¯ããå®çŸ©ããåãåæå®æ°ãããã³é¢æ°ã宣èšããŠããŸã<ref name="jtc1-sc22-wg14-n1256-7.26.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= N1570 Committee Draft â April 12, 2011 9899:201x(C11)
| page=p.376, §7.26.1 ''Introduction'' | publisher=ISO/IEC}}</ref>ã
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== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
* æ¥æ¬å·¥æ¥æšæºèª¿æ»äŒïŒåœæãçŸïŒæ¥æ¬ç£æ¥æšæºèª¿æ»äŒïŒãJISX3010 ããã°ã©ã èšèªïŒ£ã2003幎12æ20æ¥æ¹æ£
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32,278 | Cèšèª/æšæºã©ã€ãã©ãª/inttypes.h | ããã㌠<inttypes.h> ã¯ãããã㌠<stdint.h> ãã€ã³ã¯ã«ãŒãããã¹ããããå®è£
ã«ãã£ãŠæäŸãããè¿œå æ©èœã§ <stdint.h> ãæ¡åŒµããŸãã
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以äžã®ãªããžã§ã¯ãã©ã€ã¯ãªãã¯ãã¯ã倿æå®åãå«ãæååãªãã©ã«ã«å±éããŸãã 倿æå®åãå«ãæååãªãã©ã«ã«å±éãããé·ã修食åã«ãã£ãŠä¿®æ£ãããããšããããŸãã ããã¯ã察å¿ããæŽæ°åã«å€æããéã«ããã©ãŒããããããå
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ã衚ããäŸãã°ãPRIdFAST32 ã¯ãint_fast32_tåã®æŽæ°ã®å€ã衚瀺ããããã®ãã©ãŒãããæååãšããŠäœ¿çšã§ããã
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7.8.2 Functions for greatest-width integer types
ISO/IEC 9899:2017 § 7.8.2.1 The imaxabs functionã
ISO/IEC 9899:2017 § 7.8.2.2 The imaxdiv functionã
2 The imaxdiv function computes numer / denom and numer % denom in a single operation.
3 The imaxdiv function returns a structure of type imaxdiv_t comprising both the quotient and the remainder. The structure shall contain (in either order) the members quot (the quotient) and rem (the remainder), each of which has type intmax_t. If either part of the result cannot be represented,the behavior is undefined.
strtoumax颿° 7.8.2.3 The strtoimax and strtoumax functions
2 The strtoimax and strtoumax functions are equivalent to the strtol, strtoll, strtoul, and strtoull functions, except that the initial portion of the string is converted to intmax_t and uintmax_t representation, respectively.
3 The strtoimax and strtoumax functions return the converted value, if any. If no conversion could be performed, zero is returned. If the correct value is outside the range of representable values,INTMAX_MAX, INTMAX_MIN, or UINTMAX_MAX is returned (according to the return type and sign of the value, if any), and the value of the macro ERANGE is stored in errno.
wcstoumax颿° 7.8.2.4 The wcstoimax and wcstoumax functions
2 The wcstoimax and wcstoumax functions are equivalent to the wcstol, wcstoll, wcstoul, and wcstoull functions except that the initial portion of the wide string is converted to intmax_t and uintmax_t representation, respectively.
3 The wcstoimax function returns the converted value, if any. If no conversion could be performed, zero is returned. If the correct value is outside the range of representable values, INTMAX_MAX, INTMAX_MIN, or UINTMAX_MAX is returned (according to the return type and sign of the value, if any),and the value of the macro ERANGE is stored in errno.
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"paragraph_id": 4,
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"text": "以äžã®ãªããžã§ã¯ãã©ã€ã¯ãªãã¯ãã¯ã倿æå®åãå«ãæååãªãã©ã«ã«å±éããŸãã 倿æå®åãå«ãæååãªãã©ã«ã«å±éãããé·ã修食åã«ãã£ãŠä¿®æ£ãããããšããããŸãã ããã¯ã察å¿ããæŽæ°åã«å€æããéã«ããã©ãŒããããããå
¥åºå颿°ã® format åŒæ°å
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"title": "ãã©ãŒãããæå®çšãã¯ã"
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"text": "ãããã®ãã¯ãåã¯ãPRI (fprintf ããã³ fwprintf ãã¡ããªã®æååãªãã©ã«) ãŸã㯠SCN (fscanf ããã³ fwscanf ãã¡ããªã®æååãªãã©ã«),220) ã®åŸã«å€ææå®åãç¶ãããã®åŸã« 7.20.1 ã®é¡äŒŒããååã«å¯Ÿå¿ããååãç¶ããšããäžè¬çãªåœ¢åŒããšãããããã®ååã§ã¯ãNã¯Â§7.20.1 Integer types ã«èšèŒãããŠããåã®å¹
ã衚ããäŸãã°ãPRIdFAST32 ã¯ãint_fast32_tåã®æŽæ°ã®å€ã衚瀺ããããã®ãã©ãŒãããæååãšããŠäœ¿çšã§ããã",
"title": "ãã©ãŒãããæå®çšãã¯ã"
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"text": "(èšèªåŠçç³»ã¯)å®è£
ã<stdint.h>ã§æäŸããŠããååã«ã€ããŠã察å¿ããfprintfãã¯ããå®çŸ©ããå®è£
ããã®åã«é©ããfscanfé·ã修食åãæããªãéãã察å¿ããfscanfãã¯ããå®çŸ©ããªããã°ãªããªãã",
"title": "ãã©ãŒãããæå®çšãã¯ã"
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"text": "ãã®ç¯ã¯æžãããã§ãããã®ç¯ãç·šéããŠãããæ¹ãå¿ãããåŸ
ã¡ããŠããŸãã",
"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
},
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"text": "æå€§å¹
ã®æŽæ°ãæäœãã颿°",
"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
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"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
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"tag": "p",
"text": "ISO/IEC 9899:2017 § 7.8.2.1 The imaxabs functionã",
"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
},
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"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
},
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"tag": "p",
"text": "2 The imaxdiv function computes numer / denom and numer % denom in a single operation.",
"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
},
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"paragraph_id": 13,
"tag": "p",
"text": "3 The imaxdiv function returns a structure of type imaxdiv_t comprising both the quotient and the remainder. The structure shall contain (in either order) the members quot (the quotient) and rem (the remainder), each of which has type intmax_t. If either part of the result cannot be represented,the behavior is undefined.",
"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
},
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"tag": "p",
"text": "strtoumax颿° 7.8.2.3 The strtoimax and strtoumax functions",
"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "2 The strtoimax and strtoumax functions are equivalent to the strtol, strtoll, strtoul, and strtoull functions, except that the initial portion of the string is converted to intmax_t and uintmax_t representation, respectively.",
"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "3 The strtoimax and strtoumax functions return the converted value, if any. If no conversion could be performed, zero is returned. If the correct value is outside the range of representable values,INTMAX_MAX, INTMAX_MIN, or UINTMAX_MAX is returned (according to the return type and sign of the value, if any), and the value of the macro ERANGE is stored in errno.",
"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
},
{
"paragraph_id": 17,
"tag": "p",
"text": "wcstoumax颿° 7.8.2.4 The wcstoimax and wcstoumax functions",
"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "2 The wcstoimax and wcstoumax functions are equivalent to the wcstol, wcstoll, wcstoul, and wcstoull functions except that the initial portion of the wide string is converted to intmax_t and uintmax_t representation, respectively.",
"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
},
{
"paragraph_id": 19,
"tag": "p",
"text": "3 The wcstoimax function returns the converted value, if any. If no conversion could be performed, zero is returned. If the correct value is outside the range of representable values, INTMAX_MAX, INTMAX_MIN, or UINTMAX_MAX is returned (according to the return type and sign of the value, if any),and the value of the macro ERANGE is stored in errno.",
"title": "æå€§å¹
æŽæ°åã®ããã®é¢æ°"
},
{
"paragraph_id": 20,
"tag": "p",
"text": "<inttypes.h> ã¯ãISO/IEC 9899:1999 (C99)ã§è¿œå ãããŸããã",
"title": "æŽå²"
}
]
| ããã㌠<inttypes.h> ã¯ãããã㌠<stdint.h> ãã€ã³ã¯ã«ãŒãããã¹ããããå®è£
ã«ãã£ãŠæäŸãããè¿œå æ©èœã§ <stdint.h> ãæ¡åŒµããŸãã <inttypes.h> ã§ã¯ãæå€§å¹
ã®æŽæ°ãæäœãã颿°ãšæ°å€æååãæå€§å¹
ã®æŽæ°ã«å€æãã颿°ã宣èšããimaxdiv颿°ãè¿ãå€ã®åã§ããæ§é äœã®å imaxdiv_t ã宣èšããŠããŸãã <inttypes.h> ã§ã¯ã宣èšãããååã«ã¯ããã©ãŒããããããå
¥åºå颿°ã§äœ¿çšãã倿æå®åã®ããã®å¯Ÿå¿ãããã¯ããå®çŸ©ãããŠããŸãã | {{Nav}}
ããã㌠<code><inttypes.h></code> ã¯ãããã㌠<code><stdint.h></code> ãã€ã³ã¯ã«ãŒãããã¹ããããå®è£
ã«ãã£ãŠæäŸãããè¿œå æ©èœã§ <code><stdint.h></code> ãæ¡åŒµããŸã<ref name="jtc1-sc22-wg14-n1570-7.8">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page=217, §7.8 ''Format conversion of integer types''
| publisher=ISO/IEC}}</ref>ã
<code><inttypes.h></code> ã§ã¯ãæå€§å¹
ã®æŽæ°ãæäœãã颿°ãšæ°å€æååãæå€§å¹
ã®æŽæ°ã«å€æãã颿°ã宣èšãã<code>imaxdiv</code>颿°ãè¿ãå€ã®åã§ããæ§é äœã®å <code>imaxdiv_t</code> ã宣èšããŠããŸãã
<code><inttypes.h></code> ã§ã¯ã宣èšãããååã«ã¯ããã©ãŒããããããå
¥åºå颿°ã§äœ¿çšãã倿æå®åã®ããã®å¯Ÿå¿ãããã¯ããå®çŸ©ãããŠããŸãã
<!--åæ¹åç
§ïŒæŽæ°å <stdint.h> (7.20)ãæžåŒä»ãå
¥åºå颿° (7.21.6)ãæžåŒä»ãã¯ã€ãæåå
¥åºå颿° (7.29.2)-->
== ãã©ãŒãããæå®çšãã¯ã ==
<code><inttypes.h></code> ã§ã¯ã以äžã®ãã©ãŒãããæå®çšãã¯ããå®çŸ©ãããŠããŸã<ref name="jtc1-sc22-wg14-n1570-7.8.1">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page=217, §7.8.1 ''Macros for format specifiers''
| publisher=ISO/IEC}}</ref>ã
以äžã®ãªããžã§ã¯ãã©ã€ã¯ãªãã¯ãã¯ã倿æå®åãå«ãæååãªãã©ã«ã«å±éããŸãã
倿æå®åãå«ãæååãªãã©ã«ã«å±éãããé·ã修食åã«ãã£ãŠä¿®æ£ãããããšããããŸãã
ããã¯ã察å¿ããæŽæ°åã«å€æããéã«ããã©ãŒããããããå
¥åºå颿°ã® format åŒæ°å
ã§äœ¿çšããã®ã«é©ããŠããŸãã
ãããã®ãã¯ãåã¯ãPRI (fprintf ããã³ fwprintf ãã¡ããªã®æååãªãã©ã«) ãŸã㯠SCN (fscanf ããã³ fwscanf ãã¡ããªã®æååãªãã©ã«),220) ã®åŸã«å€ææå®åãç¶ãããã®åŸã« 7.20.1 ã®é¡äŒŒããååã«å¯Ÿå¿ããååãç¶ããšããäžè¬çãªåœ¢åŒããšãããããã®ååã§ã¯ãNã¯Â§7.20.1 ''Integer types'' ã«èšèŒãããŠããåã®å¹
ã衚ããäŸãã°ã<code>PRIdFAST32</code> ã¯ã<code>int_fast32_t</code>åã®æŽæ°ã®å€ã衚瀺ããããã®ãã©ãŒãããæååãšããŠäœ¿çšã§ããã
; 笊å·ä»ãæŽæ°çšã®fprintfãã¯ã
: PRId''N'' PRIdLEAST''N'' PRIdFAST''N'' PRIdMAX PRIdPTR
: PRIi''N'' PRIiLEAST''N'' PRIiFAST''N'' PRIiMAX PRIiPTR
; 笊å·ãªãæŽæ°çšã®fprintfãã¯ã
: PRIo''N'' PRIoLEAST''N'' PRIoFAST''N'' PRIoMAX PRIoPTR
: PRIu''N'' PRIuLEAST''N'' PRIuFAST''N'' PRIuMAX PRIuPTR
: PRIx''N'' PRIxLEAST''N'' PRIxFAST''N'' PRIxMAX PRIxPTR
: PRIX''N'' PRIXLEAST''N'' PRIXFAST''N'' PRIXMAX PRIXPTR
; 笊å·ä»ãæŽæ°çšã®fscanfãã¯ã
: SCNd''N'' SCNdLEAST''N'' SCNdFAST''N'' SCNdMAX SCNdPTR
: SCNi''N'' SCNiLEAST''N'' SCNiFAST''N'' SCNiMAX SCNiPTR
; 笊å·ãªãæŽæ°çšã®fscanfãã¯ã
: SCNo''N'' SCNoLEAST''N'' SCNoFAST''N'' SCNoMAX SCNoPTR
: SCNu''N'' SCNuLEAST''N'' SCNuFAST''N'' SCNuMAX SCNuPTR
: SCNx''N'' SCNxLEAST''N'' SCNxFAST''N'' SCNxMAX SCNxPTR
ïŒèšèªåŠçç³»ã¯ïŒå®è£
ã<stdint.h>ã§æäŸããŠããååã«ã€ããŠã察å¿ããfprintfãã¯ããå®çŸ©ããå®è£
ããã®åã«é©ããfscanfé·ã修食åãæããªãéãã察å¿ããfscanfãã¯ããå®çŸ©ããªããã°ãªããªãã
; [https://paiza.io/projects/kpIhT_6r1DzK5eyWOmkGHw?language=c äŸ]
: <syntaxhighlight lang=c line>
#include <stdio.h>
#include <inttypes.h>
int main(void)
{
uintmax_t i = UINTMAX_MAX; // this type always exists
wprintf(L"The largest integer value is %#022" PRIxMAX "\n", i);
return 0;
}
</syntaxhighlight>
; å®è¡çµæ
: <syntaxhighlight lang=text>
The largest integer value is 0x0000ffffffffffffffff
</syntaxhighlight>
==æå€§å¹
æŽæ°åã®ããã®é¢æ°==
{{ç¯ã¹ã¿ã}}
æå€§å¹
ã®æŽæ°ãæäœãã颿°<ref name="jtc1-sc22-wg14-n1570-7.8.2">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page=218, §7.8.2 ''Functions for greatest-width integer types''
| publisher=ISO/IEC}}</ref>
: <syntaxhighlight lang=c line>
intmax_t imaxabs(intmax_t j);
imaxdiv_t imaxdiv(intmax_t numer, intmax_t denom);
intmax_t strtoimax(const char * restrict nptr, char ** restrict endptr, int base);
uintmax_t strtoumax(const char * restrict nptr, char ** restrict endptr, int base);
intmax_t wcstoimax(const wchar_t *restrict nptr, wchar_t **restrict endptr, int base);
uintmax_t wcstoumax(const wchar_t *restrict nptr, wchar_t **restrict endptr, int base);
</syntaxhighlight>
7.8.2 Functions for greatest-width integer types
=== imaxabs颿° ===
ISO/IEC 9899:2017 § 7.8.2.1 ''The imaxabs function''<ref name="jtc1-sc22-wg14-n2596-7.8.2.1">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 159, §7.8.2.1 ''The imaxabs function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
1 #include <inttypes.h>
intmax_t imaxabs(intmax_t j);
</syntaxhighlight>
; æ©èœ
: imaxabs颿°ã¯ãæŽæ°jã®çµ¶å¯Ÿå€ãèšç®ããŸãã
; è¿åŽå€
: imaxabs颿°ã¯ã絶察å€ãè¿ããŸãã
=== imaxdiv颿° ===
ISO/IEC 9899:2017 § 7.8.2.2 ''The imaxdiv function''<ref name="jtc1-sc22-wg14-n2596-7.8.2.2">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 159, §7.8.2.2 ''The imaxdiv function''
| publisher = ISO/IEC JTC1/SC22/WG14}}</ref>ã
; åœ¢åŒ : <syntaxhighlight lang=C>
1 #include <inttypes.h>
imaxdiv_t imaxdiv(intmax_t numer, intmax_t denom);
</syntaxhighlight>
; æ©èœ
2 The imaxdiv function computes numer / denom and numer % denom in a single operation.
; è¿åŽå€
3 The imaxdiv function returns a structure of type imaxdiv_t comprising both the quotient and the
remainder. The structure shall contain (in either order) the members quot (the quotient) and rem
(the remainder), each of which has type intmax_t. If either part of the result cannot be represented,the behavior is undefined.
=== strtoimax颿°ãšstrtoumaximaxdiv颿° ===
{{Anchor|strtoimax颿° | strtoumax颿°}}
7.8.2.3 The strtoimax and strtoumax functions
; åœ¢åŒ : <syntaxhighlight lang=C>
1 #include <inttypes.h>
intmax_t strtoimax(const char * restrict nptr,char ** restrict endptr, int base);
uintmax_t strtoumax(const char * restrict nptr,char ** restrict endptr, int base);
</syntaxhighlight>
; æ©èœ
2 The strtoimax and strtoumax functions are equivalent to the strtol, strtoll, strtoul, and
strtoull functions, except that the initial portion of the string is converted to intmax_t and
uintmax_t representation, respectively.
; è¿åŽå€
3 The strtoimax and strtoumax functions return the converted value, if any. If no conversion could
be performed, zero is returned. If the correct value is outside the range of representable values,INTMAX_MAX, INTMAX_MIN, or UINTMAX_MAX is returned (according to the return type and sign of the
value, if any), and the value of the macro ERANGE is stored in errno.
=== wcstoimax颿°ãšwcstoumax颿° ===
{{Anchor|wcstoimax颿° | wcstoumax颿°}}
7.8.2.4 The wcstoimax and wcstoumax functions
; åœ¢åŒ : <syntaxhighlight lang=C>
1 #include <stddef.h> // for wchar_t
#include <inttypes.h>
intmax_t wcstoimax(const wchar_t * restrict nptr,wchar_t ** restrict endptr, int base);
uintmax_t wcstoumax(const wchar_t * restrict nptr,wchar_t ** restrict endptr, int base);
</syntaxhighlight>
; æ©èœ
2 The wcstoimax and wcstoumax functions are equivalent to the wcstol, wcstoll, wcstoul, and
wcstoull functions except that the initial portion of the wide string is converted to intmax_t and
uintmax_t representation, respectively.
; è¿åŽå€
3 The wcstoimax function returns the converted value, if any. If no conversion could be performed, zero is returned. If the correct value is outside the range of representable values, INTMAX_MAX, INTMAX_MIN, or UINTMAX_MAX is returned (according to the return type and sign of the value, if any),and the value of the macro ERANGE is stored in errno.
== å
·äœçãªå€ã®äŸ ==
{| class='wikitable' style='text-align:center'
|+ <inttypes.h> ã§å®çŸ©ãããŠãããã¯ãã®å€ïŒäžäŸïŒ
|-
!  !! *8 !! *16 !! *32 !! *64 !! *LEAST8 !! *LEAST16 !! *LEAST32 !! *LEAST64 !! *FAST8 !! *FAST16 !! *FAST32 !! *FAST64 !! *MAX !! *PTR
|-
! PRId*
| d || d || d || ld || d || d || d || ld || d || ld || ld || ld || ld || ld
|-
! PRIi*
| i || i || i || li || i || i || i || li || i || li || li || li || li || li
|-
! PRIo*
| o || o || o || lo || o || o || o || lo || o || lo || lo || lo || lo || lo
|-
! PRIu*
| u || u || u || lu || u || u || u || lu || u || lu || lu || lu || lu || lu
|-
! PRIx*
| x || x || x || lx || x || x || x || lx || x || lx || lx || lx || lx || lx
|-
! PRIX*
| X || X || X || lX || X || X || X || lX || X || lX || lX || lX || lX || lX
|-
! SCNd*
| hhd || hd || d || ld || hhd || hd || d || ld || hhd || ld || ld || ld || ld || ld
|-
! SCNi*
| hhi || hi || i || li || hhi || hi || i || li || hhi || li || li || li || li || li
|-
! SCNo*
| hho || ho || o || lo || hho || ho || o || lo || hho || lo || lo || lo || lo || lo
|-
! SCNu*
| hhu || hu || u || lu || hhu || hu || u || lu || hhu || lu || lu || lu || lu || lu
|-
! SCNx*
| hhx || hx || x || lx || hhx || hx || x || lx || hhx || lx || lx || lx || lx || lx
|}
;[https://paiza.io/projects/_o3x1t3sxSWATer0QsDecA?language=c å®éå€ã衚瀺ããããã°ã©ã ]: <syntaxhighlight lang=c line>
#include <stdio.h>
#include <inttypes.h>
int main(void) {
puts("{| class='wikitable' style='text-align:center'");
puts("|+ <inttypes.h> ã§å®çŸ©ãããŠãããã¯ãã®å€ïŒäžäŸïŒ");
puts("|-");
puts("!  !! *8 !! *16 !! *32 !! *64 !! *LEAST8 !! *LEAST16 !! *LEAST32 !! *LEAST64 !! *FAST8 !! *FAST16 !! *FAST32 !! *FAST64 !! *MAX !! *PTR");
puts("|-");
puts("! PRId*");
puts("| " PRId8 " || " PRId16 " || " PRId32 " || " PRId64 " || " PRIdLEAST8 " || " PRIdLEAST16 " || " PRIdLEAST32 " || " PRIdLEAST64 " || " PRIdFAST8 " || " PRIdFAST16 " || " PRIdFAST32 " || " PRIdFAST64 " || " PRIdMAX " || " PRIdPTR "");
puts("|-");
puts("! PRIi*");
puts("| " PRIi8 " || " PRIi16 " || " PRIi32 " || " PRIi64 " || " PRIiLEAST8 " || " PRIiLEAST16 " || " PRIiLEAST32 " || " PRIiLEAST64 " || " PRIiFAST8 " || " PRIiFAST16 " || " PRIiFAST32 " || " PRIiFAST64 " || " PRIiMAX " || " PRIiPTR "");
puts("|-");
puts("! PRIo*");
puts("| " PRIo8 " || " PRIo16 " || " PRIo32 " || " PRIo64 " || " PRIoLEAST8 " || " PRIoLEAST16 " || " PRIoLEAST32 " || " PRIoLEAST64 " || " PRIoFAST8 " || " PRIoFAST16 " || " PRIoFAST32 " || " PRIoFAST64 " || " PRIoMAX " || " PRIoPTR "");
puts("|-");
puts("! PRIu*");
puts("| " PRIu8 " || " PRIu16 " || " PRIu32 " || " PRIu64 " || " PRIuLEAST8 " || " PRIuLEAST16 " || " PRIuLEAST32 " || " PRIuLEAST64 " || " PRIuFAST8 " || " PRIuFAST16 " || " PRIuFAST32 " || " PRIuFAST64 " || " PRIuMAX " || " PRIuPTR "");
puts("|-");
puts("! PRIx*");
puts("| " PRIx8 " || " PRIx16 " || " PRIx32 " || " PRIx64 " || " PRIxLEAST8 " || " PRIxLEAST16 " || " PRIxLEAST32 " || " PRIxLEAST64 " || " PRIxFAST8 " || " PRIxFAST16 " || " PRIxFAST32 " || " PRIxFAST64 " || " PRIxMAX " || " PRIxPTR "");
puts("|-");
puts("! PRIX*");
puts("| " PRIX8 " || " PRIX16 " || " PRIX32 " || " PRIX64 " || " PRIXLEAST8 " || " PRIXLEAST16 " || " PRIXLEAST32 " || " PRIXLEAST64 " || " PRIXFAST8 " || " PRIXFAST16 " || " PRIXFAST32 " || " PRIXFAST64 " || " PRIXMAX " || " PRIXPTR "");
puts("|-");
puts("! SCNd*");
puts("| " SCNd8 " || " SCNd16 " || " SCNd32 " || " SCNd64 " || " SCNdLEAST8 " || " SCNdLEAST16 " || " SCNdLEAST32 " || " SCNdLEAST64 " || " SCNdFAST8 " || " SCNdFAST16 " || " SCNdFAST32 " || " SCNdFAST64 " || " SCNdMAX " || " SCNdPTR "");
puts("|-");
puts("! SCNi*");
puts("| " SCNi8 " || " SCNi16 " || " SCNi32 " || " SCNi64 " || " SCNiLEAST8 " || " SCNiLEAST16 " || " SCNiLEAST32 " || " SCNiLEAST64 " || " SCNiFAST8 " || " SCNiFAST16 " || " SCNiFAST32 " || " SCNiFAST64 " || " SCNiMAX " || " SCNiPTR "");
puts("|-");
puts("! SCNo*");
puts("| " SCNo8 " || " SCNo16 " || " SCNo32 " || " SCNo64 " || " SCNoLEAST8 " || " SCNoLEAST16 " || " SCNoLEAST32 " || " SCNoLEAST64 " || " SCNoFAST8 " || " SCNoFAST16 " || " SCNoFAST32 " || " SCNoFAST64 " || " SCNoMAX " || " SCNoPTR "");
puts("|-");
puts("! SCNu*");
puts("| " SCNu8 " || " SCNu16 " || " SCNu32 " || " SCNu64 " || " SCNuLEAST8 " || " SCNuLEAST16 " || " SCNuLEAST32 " || " SCNuLEAST64 " || " SCNuFAST8 " || " SCNuFAST16 " || " SCNuFAST32 " || " SCNuFAST64 " || " SCNuMAX " || " SCNuPTR "");
puts("|-");
puts("! SCNx*");
puts("| " SCNx8 " || " SCNx16 " || " SCNx32 " || " SCNx64 " || " SCNxLEAST8 " || " SCNxLEAST16 " || " SCNxLEAST32 " || " SCNxLEAST64 " || " SCNxFAST8 " || " SCNxFAST16 " || " SCNxFAST32 " || " SCNxFAST64 " || " SCNxMAX " || " SCNxPTR "");
puts("");
puts("|}");
}
</syntaxhighlight>
;å®è¡çµæ: <syntaxhighlight lang=text line>
{| class='wikitable' style='text-align:center'
|+ <inttypes.h> ã§å®çŸ©ãããŠãããã¯ãã®å€ïŒäžäŸïŒ
|-
!  !! *8 !! *16 !! *32 !! *64 !! *LEAST8 !! *LEAST16 !! *LEAST32 !! *LEAST64 !! *FAST8 !! *FAST16 !! *FAST32 !! *FAST64 !! *MAX !! *PTR
|-
! PRId*
| d || d || d || ld || d || d || d || ld || d || ld || ld || ld || ld || ld
|-
! PRIi*
| i || i || i || li || i || i || i || li || i || li || li || li || li || li
|-
! PRIo*
| o || o || o || lo || o || o || o || lo || o || lo || lo || lo || lo || lo
|-
! PRIu*
| u || u || u || lu || u || u || u || lu || u || lu || lu || lu || lu || lu
|-
! PRIx*
| x || x || x || lx || x || x || x || lx || x || lx || lx || lx || lx || lx
|-
! PRIX*
| X || X || X || lX || X || X || X || lX || X || lX || lX || lX || lX || lX
|-
! SCNd*
| hhd || hd || d || ld || hhd || hd || d || ld || hhd || ld || ld || ld || ld || ld
|-
! SCNi*
| hhi || hi || i || li || hhi || hi || i || li || hhi || li || li || li || li || li
|-
! SCNo*
| hho || ho || o || lo || hho || ho || o || lo || hho || lo || lo || lo || lo || lo
|-
! SCNu*
| hhu || hu || u || lu || hhu || hu || u || lu || hhu || lu || lu || lu || lu || lu
|-
! SCNx*
| hhx || hx || x || lx || hhx || hx || x || lx || hhx || lx || lx || lx || lx || lx
|}
</syntaxhighlight>
;åè: <syntaxhighlight lang=ruby line>
COLS = %w(8 16 32 64 LEAST8 LEAST16 LEAST32 LEAST64 FAST8 FAST16 FAST32 FAST64 MAX PTR)
ROWS = %w(PRId PRIi PRIo PRIu PRIx PRIX SCNd SCNi SCNo SCNu SCNx)
puts <<EOS
#include <stdio.h>
#include <inttypes.h>
int main(void) {
#{
(<<EOS1
{| class='wikitable' style='text-align:center'
|+ <inttypes.h> ã§å®çŸ©ãããŠãããã¯ãã®å€ïŒäžäŸïŒ
|-
!  !! #{COLS.map{|col| "*#{col}" }.join(" !! ")}
#{ ROWS.map{|row|
<<EOS2
|-
! #{row}*
| #{COLS.map{|col| %|" #{row}#{col} "| }.join(" || ")}
EOS2
}.join()
}
|}
EOS1
).split(/\n/).map{|line| %| puts("#{line}");| }.join("\n")
}
}
EOS
</syntaxhighlight>
== æŽå² ==
<code><inttypes.h></code> ã¯ãISO/IEC 9899:1999 (C99)ã§è¿œå ãããŸãã<ref name="jtc1-sc22-wg14-n1570-foreword">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title= C11: WG14/N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page=xv, § ''Foreword'' ¶ ''Major changes in the second edition included'':
| publisher=ISO/IEC}}</ref>ã
== èèš» ==
<references />
<!--
== é¢é£é
ç® ==
-->
== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
[[Category:Cèšèª|inttypes.h]] | null | 2021-09-02T08:17:11Z | [
"ãã³ãã¬ãŒã:Anchor",
"ãã³ãã¬ãŒã:Cite book",
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:ç¯ã¹ã¿ã"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/inttypes.h |
32,282 | Cèšèª/æšæºã©ã€ãã©ãª/limits.h | ããããŒ<limits.h> ã§ã¯ãæšæºçãªæŽæ°åã®ããŸããŸãªéçå€ããã©ã¡ãŒã¿ã«å±éãããã¯ããããã€ãå®çŸ©ãããŠããŸããæšæºçãªæŽæ°åã®ããŸããŸãªå¶éããã©ã¡ãŒã¿ã«å±éããããã€ãã®ãã¯ããå®çŸ©ããŠããŸãã
<limits.h> ã¯ãããªãŒã¹ã¿ã³ãã£ã³ã°ç°å¢ã§äœ¿ããæšæºã©ã€ãã©ãªã®1ã€ã§ãã
以äžã«ç€ºãå€ã¯ã#if ååŠçãã£ã¬ã¯ãã£ãã§äœ¿çšããã®ã«é©ãã宿°åŒã§çœ®ãæããããŸããå®è£
ã§å®çŸ©ãããå€ã¯ã衚瀺ãããå€ãšåãããã以äžã§ãªããã°ãªããªãã
charåãsigned charåãunsigned charåã®å¹
ã衚ããã¯ãCHAR_WIDTHãSCHAR_WIDTHãUCHAR_WIDTHã¯ãCHAR_BITãšåãå€ã«å±éããªããã°ãªããŸããã
ãã¹ãŠã®ç¬Šå·ãªãæŽæ°åã«å¯ŸããŠã<limits.h> ãŸã㯠<stdint.h> ã§å¹
N {\displaystyle N} ãè¡šãæ¥å°ŸèŸ _WIDTH ãæã€ãã¯ããå®çŸ©ãããŠããŸãã ãã®åã§è¡šçŸå¯èœãªæå€§å€ 2 N â 1 {\displaystyle 2^{N}-1} ãä¿æããæ¥å°ŸèŸ _MAX ãæã€ãã¯ãããããŸã(笊å·ãªãæŽæ°ã®æå°å€ã 0 ã§ããããšã¯èªæ)ã
ãã¹ãŠã®ç¬Šå·ä»ãæŽæ°åã«å¯ŸããŠã<limits.h> ãŸã㯠<stdint.h> ã§å¹
N {\displaystyle N} ãè¡šãæ¥å°ŸèŸ _WIDTH ãæã€ãã¯ããå®çŸ©ãããŠããŸãã æå°å€ â 2 N â 1 {\displaystyle -2{N-1}} ããã³æå€§å€ 2 N â 1 â 1 {\displaystyle 2^{N-1}-1} ãè¡šãæ¥å°ŸèŸ _MIN ããã³ _MAX ãæã€ãã¯ãããããŸãã ãããã®ãã¯ãã¯åã§è¡šçŸå¯èœã§ã#ifååŠçãã£ã¬ã¯ãã£ãã§ã®äœ¿çšã«é©ããŠããããŸã察å¿ããåã®ãªããžã§ã¯ããæŽæ°ã®ææ Œåã«åŸã£ãŠå€æããåŒãšåãåãæã¡ãŸãã
charåã®ãªããžã§ã¯ããè² ã®å€ãä¿æã§ããå ŽåãCHAR_MINã®å€ã¯SCHAR_MINãšåãã«ãªããCHAR_MAXã®å€ã¯SCHAR_MAXãšåãã«ãªããŸãããã以å€ã®å Žåã¯ãCHAR_MINã®å€ã¯0ãšããCHAR_MAXã®å€ã¯UCHAR_MAXãšåããšããŸãã
ããã㌠<limits.h> ã®å
容ã以äžã«ç€ºããŸãã å€ã¯ãã¹ãŠå®æ°åŒã§,#if ååŠçãã£ã¬ã¯ãã£ãã§äœ¿çšããã®ã«é©ããŠããŸãã (以äžã®ãã¯ãã§ã¯ã衚瀺ãããŠããæå°å€ã¯ãå®è£
ã§å®çŸ©ãããå€ã«çœ®ãæãããã®ãšãã)
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ã§å®çŸ©ãããå€ã«çœ®ãæããå¿
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以äžã®ãã¯ãã§ã¯ã衚瀺ãããŠããæå°ã®å€§ããã¯ãåç¯ã§ç€ºãããŠããããã«ãäžèšã®ãã¯ãããæšæž¬ãããåäžç¬Šå·ã®å®è£
å®çŸ©ã®å€§ããã«çœ®ãæããããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ããããŒ<limits.h> ã§ã¯ãæšæºçãªæŽæ°åã®ããŸããŸãªéçå€ããã©ã¡ãŒã¿ã«å±éãããã¯ããããã€ãå®çŸ©ãããŠããŸããæšæºçãªæŽæ°åã®ããŸããŸãªå¶éããã©ã¡ãŒã¿ã«å±éããããã€ãã®ãã¯ããå®çŸ©ããŠããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "<limits.h> ã¯ãããªãŒã¹ã¿ã³ãã£ã³ã°ç°å¢ã§äœ¿ããæšæºã©ã€ãã©ãªã®1ã€ã§ãã",
"title": ""
},
{
"paragraph_id": 2,
"tag": "p",
"text": "以äžã«ç€ºãå€ã¯ã#if ååŠçãã£ã¬ã¯ãã£ãã§äœ¿çšããã®ã«é©ãã宿°åŒã§çœ®ãæããããŸããå®è£
ã§å®çŸ©ãããå€ã¯ã衚瀺ãããå€ãšåãããã以äžã§ãªããã°ãªããªãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "charåãsigned charåãunsigned charåã®å¹
ã衚ããã¯ãCHAR_WIDTHãSCHAR_WIDTHãUCHAR_WIDTHã¯ãCHAR_BITãšåãå€ã«å±éããªããã°ãªããŸããã",
"title": "ãã¯ã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ãã¹ãŠã®ç¬Šå·ãªãæŽæ°åã«å¯ŸããŠã<limits.h> ãŸã㯠<stdint.h> ã§å¹
N {\\displaystyle N} ãè¡šãæ¥å°ŸèŸ _WIDTH ãæã€ãã¯ããå®çŸ©ãããŠããŸãã ãã®åã§è¡šçŸå¯èœãªæå€§å€ 2 N â 1 {\\displaystyle 2^{N}-1} ãä¿æããæ¥å°ŸèŸ _MAX ãæã€ãã¯ãããããŸã(笊å·ãªãæŽæ°ã®æå°å€ã 0 ã§ããããšã¯èªæ)ã",
"title": "ãã¯ã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "ãã¹ãŠã®ç¬Šå·ä»ãæŽæ°åã«å¯ŸããŠã<limits.h> ãŸã㯠<stdint.h> ã§å¹
N {\\displaystyle N} ãè¡šãæ¥å°ŸèŸ _WIDTH ãæã€ãã¯ããå®çŸ©ãããŠããŸãã æå°å€ â 2 N â 1 {\\displaystyle -2{N-1}} ããã³æå€§å€ 2 N â 1 â 1 {\\displaystyle 2^{N-1}-1} ãè¡šãæ¥å°ŸèŸ _MIN ããã³ _MAX ãæã€ãã¯ãããããŸãã ãããã®ãã¯ãã¯åã§è¡šçŸå¯èœã§ã#ifååŠçãã£ã¬ã¯ãã£ãã§ã®äœ¿çšã«é©ããŠããããŸã察å¿ããåã®ãªããžã§ã¯ããæŽæ°ã®ææ Œåã«åŸã£ãŠå€æããåŒãšåãåãæã¡ãŸãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "charåã®ãªããžã§ã¯ããè² ã®å€ãä¿æã§ããå ŽåãCHAR_MINã®å€ã¯SCHAR_MINãšåãã«ãªããCHAR_MAXã®å€ã¯SCHAR_MAXãšåãã«ãªããŸãããã以å€ã®å Žåã¯ãCHAR_MINã®å€ã¯0ãšããCHAR_MAXã®å€ã¯UCHAR_MAXãšåããšããŸãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "ããã㌠<limits.h> ã®å
容ã以äžã«ç€ºããŸãã å€ã¯ãã¹ãŠå®æ°åŒã§,#if ååŠçãã£ã¬ã¯ãã£ãã§äœ¿çšããã®ã«é©ããŠããŸãã (以äžã®ãã¯ãã§ã¯ã衚瀺ãããŠããæå°å€ã¯ãå®è£
ã§å®çŸ©ãããå€ã«çœ®ãæãããã®ãšãã)",
"title": "æŠèŠ"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "以äžã®ãã¯ãã§ã¯ã衚瀺ãããŠããæå°å€ã¯ãå®è£
ã§å®çŸ©ãããå€ã«çœ®ãæããå¿
èŠããããŸãã",
"title": "æŠèŠ"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "以äžã®ãã¯ãã§ã¯ã衚瀺ãããŠããæå°ã®å€§ããã¯ãåç¯ã§ç€ºãããŠããããã«ãäžèšã®ãã¯ãããæšæž¬ãããåäžç¬Šå·ã®å®è£
å®çŸ©ã®å€§ããã«çœ®ãæããããŸãã",
"title": "æŠèŠ"
}
]
| ããããŒ<limits.h> ã§ã¯ãæšæºçãªæŽæ°åã®ããŸããŸãªéçå€ããã©ã¡ãŒã¿ã«å±éãããã¯ããããã€ãå®çŸ©ãããŠããŸããæšæºçãªæŽæ°åã®ããŸããŸãªå¶éããã©ã¡ãŒã¿ã«å±éããããã€ãã®ãã¯ããå®çŸ©ããŠããŸãã <limits.h> ã¯ãããªãŒã¹ã¿ã³ãã£ã³ã°ç°å¢ã§äœ¿ããæšæºã©ã€ãã©ãªã®1ã€ã§ãã | {{Nav}}
ããããŒ<code><limits.h></code> ã§ã¯ãæšæºçãªæŽæ°åã®ããŸããŸãªéçå€ããã©ã¡ãŒã¿ã«å±éãããã¯ããããã€ãå®çŸ©ãããŠããŸããæšæºçãªæŽæ°åã®ããŸããŸãªå¶éããã©ã¡ãŒã¿ã«å±éããããã€ãã®ãã¯ããå®çŸ©ããŠããŸã<ref name="jtc1-sc22-wg14-n2596-7.10">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2596.pdf
| title= N2596 working draft â December 11, 2020 ISO/IEC 9899:202x (E)
| page=185, §7.10 ''Characteristics of integer types <limits.h>''
| publisher = [http://www.open-std.org/jtc1/sc22/wg14/www/projects ISO/IEC JTC1/SC22/WG14]}}</ref><ref>C18(ISO/IEC 9899:2018) ãŸã§ã¯ç« ã¿ã€ãã«ãã§7.10 ''Sizes of integer types <limits.h>'' ã§ããããC23ãã㯠§7.10 ''Characteristics of integer types <limits.h>'' ïŒä»®èš³: æŽæ°åã®ç¹åŸŽïŒãšãªããŸãããJIS CïŒJIS X 3010:2003 C11+TC1:2001çžåœã®åèš³ïŒã§ã¯ã7.10 ''æŽæ°åã®å€§ãã<limits.h>'' ã§ãã</ref>ã
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| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2596.pdf
| title= N2596 working draft â December 11, 2020 ISO/IEC 9899:202x (E)
| page=6, § 4. ''Conformance'' ¶6
| publisher = [http://www.open-std.org/jtc1/sc22/wg14/www/projects ISO/IEC JTC1/SC22/WG14]}}</ref>ã
== ãã¯ã ==
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| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2596.pdf
| title= N2596 working draft â December 11, 2020 ISO/IEC 9899:202x (E)
| page=20, §5.2.4.2.1 ''Characteristics of integer types <limits.h>''
| publisher = [http://www.open-std.org/jtc1/sc22/wg14/www/projects ISO/IEC JTC1/SC22/WG14]}}</ref>ã
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charåãsigned charåãunsigned charåã®å¹
ã衚ããã¯ãCHAR_WIDTHãSCHAR_WIDTHãUCHAR_WIDTHã¯ãCHAR_BITãšåãå€ã«å±éããªããã°ãªããŸããã
; USHRT_WIDTH
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==æŠèŠ==
ããã㌠<limits.h> ã®å
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| title= N2596 working draft â December 11, 2020 ISO/IEC 9899:202x (E)
| page=436, §Annex E (informative) ''Implementation limits''
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#define BOOL_WIDTH 1
#define CHAR_BIT 8
#define USHRT_WIDTH 16
#define UINT_WIDTH 16
#define ULONG_WIDTH 32
#define ULLONG_WIDTH 64
#define MB_LEN_MAX 1
</syntaxhighlight>
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#define BOOL_MAX 1 // 2^BOOL_WIDTH â 1
#define CHAR_MAX UCHAR_MAX //or SCHAR_MAX
#define CHAR_MIN 0 // or SCHAR_MIN
#define CHAR_WIDTH 8 // CHAR_BIT
#define INT_MAX +32767 // 2^INT_WIDTHâ1 â 1
#define INT_MIN -32768 // â2^INT_WIDTH â 1
#define INT_WIDTH 16 // UINT_WIDTH
#define LONG_MAX +2147483647 // 2^LONG_WIDTHâ1 â 1
#define LONG_MIN -2147483648 // â2^LONG_WIDTHâ1
#define LONG_WIDTH 32 // ULONG_WIDTH
#define LLONG_MAX +9223372036854775807 // 2^LLONG_WIDTHâ1 â 1
#define LLONG_MIN -9223372036854775808 // â2^LLONG_WIDTH â 1
#define LLONG_WIDTH 64 // ULLONG_WIDTH
#define SCHAR_MAX +127 // 2^SCHAR_WIDTHâ1 â 1
#define SCHAR_MIN -128 // â2^SCHAR_WIDTH â 1
#define SCHAR_WIDTH 8 // CHAR_BIT
#define SHRT_MAX +32767 // 2 ^SHRT_WIDTHâ1 â 1
#define SHRT_MIN -32768 // â2^SHRT_WIDTHâ1
#define UCHAR_MAX 255 // 2^UCHAR_WIDTH â 1
#define UCHAR_WIDTH 8 // CHAR_BIT
#define USHRT_MAX 65535 // 2^USHRT_WIDTH â 1
#define UINT_MAX 65535 // 2^UINT_WIDTH â 1
#define ULONG_MAX 4294967295 // 2^ULONG_WIDTH â 1
#define ULLONG_MAX 18446744073709551615 // 2^ULLONG_WIDTH â 1
</syntaxhighlight>
; [https://paiza.io/projects/Wm4DpDqNpduPSlBj5ugCEw?language=c åè]
:<syntaxhighlight lang="c">
#include <stdio.h>
#include <limits.h>
int main(void)
{
#ifdef BOOL_WIDTH
printf("BOOL_WIDTH = %zu\n", BOOL_WIDTH);
#else
printf("defined(BOOL_WIDTH) == 0\n");
#endif
#ifdef CHAR_BIT
printf("CHAR_BIT = %zu\n", CHAR_BIT);
#else
printf("defined(CHAR_BIT) == 0\n");
#endif
#ifdef USHRT_WIDTH
printf("USHRT_WIDTH = %zu\n", USHRT_WIDTH);
#else
printf("defined(USHRT_WIDTH) == 0\n");
#endif
#ifdef UINT_WIDTH
printf("UINT_WIDTH = %zu\n", UINT_WIDTH);
#else
printf("defined(UINT_WIDTH) == 0\n");
#endif
#ifdef ULONG_WIDTH
printf("ULONG_WIDTH = %zu\n", ULONG_WIDTH);
#else
printf("defined(ULONG_WIDTH) == 0\n");
#endif
#ifdef ULLONG_WIDTH
printf("ULLONG_WIDTH = %zu\n", ULLONG_WIDTH);
#else
printf("defined(ULLONG_WIDTH) == 0\n");
#endif
#ifdef MB_LEN_MAX
printf("MB_LEN_MAX = %zu\n", MB_LEN_MAX);
#else
printf("defined(MB_LEN_MAX) == 0\n");
#endif
#ifdef BOOL_MAX
printf("BOOL_MAX = %zu\n", BOOL_MAX);
#else
printf("defined(BOOL_MAX) == 0\n");
#endif
#ifdef CHAR_MAX
printf("CHAR_MAX = %zu\n", CHAR_MAX);
#else
printf("defined(CHAR_MAX) == 0\n");
#endif
#ifdef CHAR_MIN
printf("CHAR_MIN = %zu\n", CHAR_MIN);
#else
printf("defined(CHAR_MIN) == 0\n");
#endif
#ifdef CHAR_WIDTH
printf("CHAR_WIDTH = %zu\n", CHAR_WIDTH);
#else
printf("defined(CHAR_WIDTH) == 0\n");
#endif
#ifdef INT_MAX
printf("INT_MAX = %zu\n", INT_MAX);
#else
printf("defined(INT_MAX) == 0\n");
#endif
#ifdef INT_MIN
printf("INT_MIN = %zu\n", INT_MIN);
#else
printf("defined(INT_MIN) == 0\n");
#endif
#ifdef INT_WIDTH
printf("INT_WIDTH = %zu\n", INT_WIDTH);
#else
printf("defined(INT_WIDTH) == 0\n");
#endif
#ifdef LONG_MAX
printf("LONG_MAX = %zu\n", LONG_MAX);
#else
printf("defined(LONG_MAX) == 0\n");
#endif
#ifdef LONG_MIN
printf("LONG_MIN = %zu\n", LONG_MIN);
#else
printf("defined(LONG_MIN) == 0\n");
#endif
#ifdef LONG_WIDTH
printf("LONG_WIDTH = %zu\n", LONG_WIDTH);
#else
printf("defined(LONG_WIDTH) == 0\n");
#endif
#ifdef LLONG_MAX
printf("LLONG_MAX = %zu\n", LLONG_MAX);
#else
printf("defined(LLONG_MAX) == 0\n");
#endif
#ifdef LLONG_MIN
printf("LLONG_MIN = %zu\n", LLONG_MIN);
#else
printf("defined(LLONG_MIN) == 0\n");
#endif
#ifdef LLONG_WIDTH
printf("LLONG_WIDTH = %zu\n", LLONG_WIDTH);
#else
printf("defined(LLONG_WIDTH) == 0\n");
#endif
#ifdef SCHAR_MAX
printf("SCHAR_MAX = %zu\n", SCHAR_MAX);
#else
printf("defined(SCHAR_MAX) == 0\n");
#endif
#ifdef SCHAR_MIN
printf("SCHAR_MIN = %zu\n", SCHAR_MIN);
#else
printf("defined(SCHAR_MIN) == 0\n");
#endif
#ifdef SCHAR_WIDTH
printf("SCHAR_WIDTH = %zu\n", SCHAR_WIDTH);
#else
printf("defined(SCHAR_WIDTH) == 0\n");
#endif
#ifdef SHRT_MAX
printf("SHRT_MAX = %zu\n", SHRT_MAX);
#else
printf("defined(SHRT_MAX) == 0\n");
#endif
#ifdef SHRT_MIN
printf("SHRT_MIN = %zu\n", SHRT_MIN);
#else
printf("defined(SHRT_MIN) == 0\n");
#endif
#ifdef UCHAR_MAX
printf("UCHAR_MAX = %zu\n", UCHAR_MAX);
#else
printf("defined(UCHAR_MAX) == 0\n");
#endif
#ifdef UCHAR_WIDTH
printf("UCHAR_WIDTH = %zu\n", UCHAR_WIDTH);
#else
printf("defined(UCHAR_WIDTH) == 0\n");
#endif
#ifdef USHRT_MAX
printf("USHRT_MAX = %zu\n", USHRT_MAX);
#else
printf("defined(USHRT_MAX) == 0\n");
#endif
#ifdef UINT_MAX
printf("UINT_MAX = %zu\n", UINT_MAX);
#else
printf("defined(UINT_MAX) == 0\n");
#endif
#ifdef ULONG_MAX
printf("ULONG_MAX = %zu\n", ULONG_MAX);
#else
printf("defined(ULONG_MAX) == 0\n");
#endif
#ifdef ULLONG_MAX
printf("ULLONG_MAX = %zu\n", ULLONG_MAX);
#else
printf("defined(ULLONG_MAX) == 0\n");
#endif
}
</syntaxhighlight>
;çµæ
:<syntaxhighlight lang="c">
defined(BOOL_WIDTH) == 0
CHAR_BIT = 8
defined(USHRT_WIDTH) == 0
defined(UINT_WIDTH) == 0
defined(ULONG_WIDTH) == 0
defined(ULLONG_WIDTH) == 0
MB_LEN_MAX = 16
defined(BOOL_MAX) == 0
CHAR_MAX = 127
CHAR_MIN = 4294967168
defined(CHAR_WIDTH) == 0
INT_MAX = 2147483647
INT_MIN = 2147483648
defined(INT_WIDTH) == 0
LONG_MAX = 9223372036854775807
LONG_MIN = 9223372036854775808
defined(LONG_WIDTH) == 0
LLONG_MAX = 9223372036854775807
LLONG_MIN = 9223372036854775808
defined(LLONG_WIDTH) == 0
SCHAR_MAX = 127
SCHAR_MIN = 4294967168
defined(SCHAR_WIDTH) == 0
SHRT_MAX = 32767
SHRT_MIN = 4294934528
UCHAR_MAX = 255
defined(UCHAR_WIDTH) == 0
USHRT_MAX = 65535
UINT_MAX = 4294967295
ULONG_MAX = 18446744073709551615
ULLONG_MAX = 18446744073709551615
</syntaxhighlight>
<!--
== æŽå² ==
<code><limits.h></code> ã¯ãANSI C ãããããŸãããããK&R1ã§ã¯äžæã
-->
== èèš» ==
<references />
<!--
== é¢é£é
ç® ==
-->
== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
[[Category:Cèšèª|limits.h]] | null | 2021-08-28T07:24:56Z | [
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Cite book"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/limits.h |
32,284 | åäºèšŽèšæ³ç¬¬157æ¡ã®3 | æ³åŠ>ã³ã³ã¡ã³ã¿ãŒã«>ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš
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"title": ""
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è²¬èŠæ±)",
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"text": "2016å¹Žæ¹æ£ã«ãŠæ°èšã",
"title": "æ¡æ"
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"paragraph_id": 3,
"tag": "p",
"text": "æ¹æ£åã®æ¡é
ã¯ã第157æ¡ã®5ã«ç¹°ãäžãã",
"title": "æ¡æ"
}
]
| æ³åŠïŒã³ã³ã¡ã³ã¿ãŒã«ïŒã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš | [[æ³åŠ]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³]]=[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš]]
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==解説==
==åç
§æ¡æ==
==å€äŸ==
----
{{ååŸ
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{{stub}}
[[category:åäºèšŽèšæ³|157ã®3]]
[[category:åäºèšŽèšæ³ 2016å¹Žæ¹æ£|157ã®3]] | null | 2021-08-12T07:40:02Z | [
"ãã³ãã¬ãŒã:ååŸ",
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/%E5%88%91%E4%BA%8B%E8%A8%B4%E8%A8%9F%E6%B3%95%E7%AC%AC157%E6%9D%A1%E3%81%AE3 |
32,285 | åäºèšŽèšæ³ç¬¬157æ¡ã®2 | æ³åŠ>ã³ã³ã¡ã³ã¿ãŒã«>ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš
(蚌人å°åéå§åã®å
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2016å¹Žæ¹æ£ã«ãŠæ°èšã
æ¹æ£åã®æ¡é
ã¯ã第157æ¡ã®4ã«ç¹°ãäžãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "æ³åŠ>ã³ã³ã¡ã³ã¿ãŒã«>ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "(蚌人å°åéå§åã®å
è²¬èŠæ±)",
"title": "æ¡æ"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "2016å¹Žæ¹æ£ã«ãŠæ°èšã",
"title": "æ¡æ"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "æ¹æ£åã®æ¡é
ã¯ã第157æ¡ã®4ã«ç¹°ãäžãã",
"title": "æ¡æ"
}
]
| æ³åŠïŒã³ã³ã¡ã³ã¿ãŒã«ïŒã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš | [[æ³åŠ]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³]]=[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš]]
==æ¡æ==
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{{ååŸ
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[[category:åäºèšŽèšæ³|157ã®2]]
[[category:åäºèšŽèšæ³ 2016å¹Žæ¹æ£|157ã®2]] | null | 2021-08-12T07:37:50Z | [
"ãã³ãã¬ãŒã:ååŸ",
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/%E5%88%91%E4%BA%8B%E8%A8%B4%E8%A8%9F%E6%B3%95%E7%AC%AC157%E6%9D%A1%E3%81%AE2 |
32,290 | è¿æ±åŒ/å°æ¬ | è¿æ±åŒã«ã¯è»œãæ¬æã衚ãå©åè©ãè€æ°ãããå°åå·®ãäžä»£å·®ããããã§è€éãªç¶æ³ãšãªã£ãŠããŸããããã§ã¯ãã®ãã¡äž»ãªãã®ã解説ããŸãã
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é²è¡åœ¢ã¯ã~ãŠãããã®åœ¢ã§äœ¿ãããŸãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "è¿æ±åŒã«ã¯è»œãæ¬æã衚ãå©åè©ãè€æ°ãããå°åå·®ãäžä»£å·®ããããã§è€éãªç¶æ³ãšãªã£ãŠããŸããããã§ã¯ãã®ãã¡äž»ãªãã®ã解説ããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "è¿æ±åŒã®å°æ¬èªã¯ãæ¬äººãããªãå Žã»ã©ãã䜿ããããšããç¹åŸŽããããŸããå
±éèªã§ã¯å°æ¬èªã¯ç®äžã®è©±ãçžæã«å¯ŸããŠäœ¿ãããšãå€ãããã®å Žã«ããªã人ã«å¯ŸããŠäœ¿ããšçžåœããããŸã£ãèšãæ¹ã«ãªããŸãããè¿æ±åŒã§ã¯éã«ããããããšãã®ãæ¯ããå
æ°ã«ããŠã¯ã?ãããããå
æ°ãã§ã仿¥ãå
æ°ã«ããŒãè¡ãã¯ã£ãããã®ããã«æ®æ®µå°æ¬èªã䜿ã£ãŠè©±ããããªããããªéæã®äºº(å®¶æãåäººãæŒ ç¶ãšããéå£ãªã©)ã«ããäŒè©±ã®ãªãã§ãã®äººã®ããšã話é¡ã«åºãæã«ã¯å°æ¬èªããã䜿ããŸãããã®å Žåã¯å°æ¬èªãšãããããããã€ããªãèšãæ¹ããããã®è»œãæèŠã§äœ¿ãããäŒè©±çžæãžã®æ¬æãå€å°èŸŒããããŸãã",
"title": ""
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ãã£ãšããã䜿ããã衚çŸã§ãå
¬ã®å Žã§ãéçšããŸããäžå¯§åœ¢ã¯ã~ã¯ããŸãããéå»åœ¢ã¯ã~ã¯ã£ãããåŠå®åœ¢ã¯ã~ã¯ããžãã(ãŸãã«~ã¯ãã)ã«ãªããŸãã",
"title": "ïœã¯ã"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "äºæ®µæŽ»çšã§ã¯äº¬éœãšåãããa+ã¯ããã®åœ¢ã§äœ¿ãããŸãã倧éªã®ãããªãi+ã¯ããã¯ã»ãšãã©äœ¿ãããŸããã",
"title": "ïœã¯ã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "äžäžæ®µæŽ»çšã»äžäžæ®µæŽ»çšã»ã«å€ã»ãµå€ã§ã¯ãé£çšåœ¢+ã¯ããã®åœ¢ã§äœ¿ãããŸãã幎é
å±€ã§ã¯ãé£çšåœ¢+ãã¯ãããšèšãããšããããŸããããã®å Žåã«å€ãšãµå€ã§ã¯ãããã¯ãããããã¯ããã«å€åããããšããããŸãããŸããå±
ããã«ããã¯ãããä»ãããšãé ã®ãããã®çºé³ã匱ãŸã£ãŠãããã¯ãâãã¯ããã«ãªãããšããããŸãã",
"title": "ïœã¯ã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "é²è¡åœ¢ã¯ã~ãŠã¯ããã®åœ¢ã§äœ¿ãããŸããã倧接ãªã©äº¬éœã«è¿ãå°åã§ã¯ã~ãã¯ãããšãèšããŸãã幎é
å±€ã§ã¯ã~ãŠãã¯ãããšèšãããšããããŸãã",
"title": "ïœã¯ã"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "æ¹åã»æ¹æ±ã»ç²è³ã«ãããŠãã䜿ããããã~ã¯ããã®ãããã ãã衚çŸã§ããäžå¯§åœ¢ã¯ã~(ã)ãããŸãããéå»åœ¢ã¯ã~(ã)ãã£ãã(æ¹æ±ã»ç²è³ã§ã¯ã~(ã)ã£ãããæ¹åã§ã¯ã~(ã)ããããšèšãããšãå€ã)ãåŠå®åœ¢ã¯ã~(ã)ãããžãããŸãã¯ã~(ã)ãããã(æ¹åã»æ¹æ±ã§ã¯ã~(ã)ãããããšèšãããšããã)ã«ãªããŸãã",
"title": "ïœïŒãïŒãã"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "äºæ®µæŽ»çšã§ã¯ãa+ãããã®åœ¢ã§äœ¿ãããŸãã",
"title": "ïœïŒãïŒãã"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "äžäžæ®µã»äžäžæ®µã»ã«å€ã»ãµå€ã§ã¯ãé£çšåœ¢+ããããã®åœ¢ã§äœ¿ãããŸããã«å€ãšãµå€ã§ã¯ãããããããããããã(æ¹åã§ã¯ããããããšèšãããšãå€ã)ã«ããå€åããŸãããŸããå±
ããã«ããããããä»ãããšãé ã®ãããã®çºé³ã匱ãŸã£ãŠãããããâããããã«ãªãããšãå€ãã§ãã",
"title": "ïœïŒãïŒãã"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "é²è¡åœ¢ã¯ã~ãŠããããã®åœ¢ã§äœ¿ãããŸãããæ¹åã§ã¯ã~ãŠããããšèšãããšããããŸãã",
"title": "ïœïŒãïŒãã"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "ã³ãæ¹æŸéã®ãéæŽ²ã®ãã£ããã«ã€ãããªããšãããã£ã©ã¯ã¿ãŒããã䜿ã£ãŠããŸãããéæŽ²ã«éãããæ»è³çå
åå°(æ¹åã§ã¯å°ãªã)ã®èŸ²å±±æã®å¹Žé
å±€ã§äœ¿ãããŸãããã ãã衚çŸãªã®ã§ãäžå¯§åœ¢ã¯ãããŸããã",
"title": "ïœïŒãïŒã"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "äºæ®µæŽ»çšã§ã¯ãa+ããã®åœ¢ã§äœ¿ãããŸããéå»åœ¢ã¯ãa+ã£ãããåŠå®åœ¢ã¯ãa+ãããã«ãªããŸãã",
"title": "ïœïŒãïŒã"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "äžäžæ®µã»äžäžæ®µã»ã«å€ã»ãµå€ã§ã¯ãé£çšåœ¢+ãããã®åœ¢ã§äœ¿ãããŸããéå»åœ¢ã¯ãé£çšåœ¢+ãã£ãããåŠå®åœ¢ã¯ãé£çšåœ¢+ããããã«ãªããŸãã",
"title": "ïœïŒãïŒã"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "é²è¡åœ¢ã¯ã~ãŠãããã®åœ¢ã§äœ¿ãããŸãã",
"title": "ïœïŒãïŒã"
}
]
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{
"paragraph_id": 0,
"tag": "p",
"text": "è¿æ±åŒã«ã¯ãäŒè©±ã®ãªãã§è©±é¡ã«åºããŠãã人ç©ã«ã€ããŠãäžã«èŠãŠããååšã§ããããšã衚ãå©åè©ããããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "äž»ã«æ¹æ±ãšç²è³ã§ããã»ã»ããŸãããªãããäžè©±ãçŒãããã€ã ãªãããªã©ãã©ã¹ã®ææ
ã蟌ããŠäœ¿ããã衚çŸã§ããçŽæ¥ã®é¢ä¿ããããã©ããã¯äžæã§ãã倧éªåŒãšå
±éããŸããäžå¯§åœ¢ã¯ã~ãããŸããã§ãããã»ãšãã©äœ¿ãããŸãããéå»åœ¢ã¯ã~ãã£ãããåŠå®åœ¢ã¯ã~ãããžãããŸãã¯ã~ããããã«ãªããŸãã",
"title": "ïœãã"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ãã¹ãŠã®æŽ»çšã§ãé£çšåœ¢+ãããã®åœ¢ã§äœ¿ãããŸããã幎é
å±€ã§ã¯äºæ®µæŽ»çšã§ãé£çšåœ¢+ããããšèšãããšããããŸãã",
"title": "ïœãã"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "é²è¡åœ¢ã¯ã~ãŠãããã®åœ¢ã§äœ¿ãããŸããææ°èŸŒã¿ãªã©ã衚ãéã®ã~ãŠããããšã¯ã¢ã¯ã»ã³ããç°ãªããŸãã",
"title": "ïœãã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "äž»ã«æ¹åãšæ¹è¥¿ã§ããã»ã»ããŸãããªãããäžè©±ãçŒãããã€ã ãªãããªã©ãã©ã¹ã®ææ
ã蟌ããŠäœ¿ããã衚çŸã§ããã幎é
å±€ã§ã¯è»œãå°æ¬èªãšããŠäœ¿ã人ãããŸããå°åãäžä»£ã«ãã现ããªèšãæ¹ã®éããå€ã衚çŸã§ããããŸããäžå¯§åœ¢ã¯ãããŸãããéå»åœ¢ã¯ã~(ã)ããããŸãã¯ã~(ã)ããããã§ããåŠå®åœ¢ã¯ã~(ã)ãããããäžè¬çã§ãããã~(ã)ããžããã~(ã)ãããžããã~(ã)ããããžãããªã©ã®èšãæ¹ããããŸãã",
"title": "ïœïŒãïŒãã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "äºæ®µæŽ»çšã§ã¯ãa+ãããã®åœ¢ãäžè¬çã§ãããäžéšã®å°åã§ã¯ãi+ããããããe+ããããšãã圢ããããŸãã",
"title": "ïœïŒãïŒãã"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "äžäžæ®µæŽ»çšã»äžäžæ®µæŽ»çšã§ã¯ãé£çšåœ¢+ããããã®åœ¢ã§äœ¿ãããŸãããå±
ããã«ããããããä»ãããšãé ã®ãããã匱ãŸã£ãŠãããããâããããã«ãªãããšãå€ãã§ãã",
"title": "ïœïŒãïŒãã"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "ã«å€ã§ã¯ãããããããããããããããããã®äžçš®é¡ã®åœ¢ãããããã®ãã¡ãããããã¯èŸ²æéšã«å€ã圢ã§ãã蟲æéšã®å¹Žé
å±€ã§ã¯ããããããšèšãããšããããŸãã",
"title": "ïœïŒãïŒãã"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "ãµå€ã§ã¯ãããããããããããããããããã®äžçš®é¡ã®åœ¢ãããããã®ãã¡ãããããã¯èŸ²æéšã«å€ã圢ã§ãã",
"title": "ïœïŒãïŒãã"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "é²è¡åœ¢ã¯ã~ãŠããããã®åœ¢ã§äœ¿ãããŸãããæ¹è¥¿ã®äžéšã§ã¯ã~ãããããšèšãå°åããããŸãã",
"title": "ïœïŒãïŒãã"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "ã~(ã)ããããšããåœä»€åœ¢ããããäž»ã«å¹Žé
å±€ãç®äžä»¥å€ã«åªããåœä»€ããæã«äœ¿ãããŸããæ¹è¥¿ã®æœæšã«ã¯ã~(ã)ããããšãã圢ããããŸãã",
"title": "ïœïŒãïŒãã"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "çå
šåã§ããã¢ããªããšãããŠãããªããäœèšãªããšãããŠããããªããªã©ãã€ãã¹ã®ææ
ã蟌ããŠäœ¿ããã衚çŸã§ãããç¹ã«ç·æ§ã®ãã ããäŒè©±ã§ã¯ã芪ãã¿ã蟌ããŠäœ¿ãããšããããŸããå
±éèªã®ã~ããããã«è¿ãã§ãããã~ããããã¯é¢ãšåãã£ãŠæ¬äººã«ãçŽæ¥äœ¿ããã®ã«å¯Ÿããã~ãããã¯æ¬äººã«ã¯çŽæ¥äœ¿ããŸãããäžå¯§åœ¢ã¯ã~ãããŸããã§ãããã»ãšãã©äœ¿ãããŸãããéå»åœ¢ã¯ã~ãã£ãããåŠå®åœ¢ã¯ã~ãããããŸãã¯ã~ãããžããã«ãªããŸãã",
"title": "ïœãã"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "ãã¹ãŠã®æŽ»çšã§ãé£çšåœ¢+ãããã®åœ¢ã§äœ¿ãããŸãããäºæ®µæŽ»çšã®äžéšã§ãè¡ãããâãã£ãããããæ»ã«ããâããã«ãããã®ããã«å€åããããšããããæ¹åã§ã¯ããã«ããã£ããããããã®ããã®ããã«å€åããããšããããŸããäžäžæ®µã®ãå±
ããã¯é ã®ãããã匱ãŸã£ãŠããããâããŒãããšèšãããšããããã«å€ã»ãµå€ã¯ããããâãããŒããããããâãããŒãããšèšãããšããããŸãã",
"title": "ïœãã"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "é²è¡åœ¢ã¯ã~ãŠãããã«ãªããŸããããã¥ã¢ã³ã¹ãã~ãšãããšãã¶ããããã»ãšãã©äœ¿ãããŸããã",
"title": "ïœãã"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "察象ãäžã«èŠãŠãããšããããããäŒè©±ã®ã©ãããèšå Žæã匷ããããã«ã~ããããä»ãè¶³ããŠãããšæãããäœ¿ãæ¹ããããŸã(ç¹ã«äž»èªãç¡çç©ã®å Žå)ã",
"title": "ïœãã"
}
]
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{
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| æ³åŠïŒã³ã³ã¡ã³ã¿ãŒã«ïŒã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš | [[æ³åŠ]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³]]=[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš]]
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: 仿¥ã¯æŒããéšãã§ãåæã£ãŠãããããLHL HHHH LHLL, LH LLHHH
== ã ==
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: 仿¥ã¯æŒããéšãããåæã£ãŠãããããLHL HHHH LHLL, LH LLHHH
== ãã© ==
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[[Category:è¿æ±åŒ|ãã€ããããã]] | null | 2022-12-04T01:11:38Z | []
| https://ja.wikibooks.org/wiki/%E8%BF%91%E6%B1%9F%E5%BC%81/%E6%8E%A5%E7%B6%9A%E5%8A%A9%E8%A9%9E |
32,329 | åäºèšŽèšæ³ç¬¬462æ¡ã®2 | æ³åŠ>ã³ã³ã¡ã³ã¿ãŒã«>ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš
(åæãã被å人ã®äºä»¶ã«ãããåæå
容æžé¢çã®å·®åºã)
2016å¹Žæ¹æ£ã«ããæ°èšã | [
{
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"tag": "p",
"text": "æ³åŠ>ã³ã³ã¡ã³ã¿ãŒã«>ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš",
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"text": "(åæãã被å人ã®äºä»¶ã«ãããåæå
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"title": "æ¡æ"
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{
"paragraph_id": 2,
"tag": "p",
"text": "2016å¹Žæ¹æ£ã«ããæ°èšã",
"title": "解説"
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| æ³åŠïŒã³ã³ã¡ã³ã¿ãŒã«ïŒã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš | [[æ³åŠ]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³]]=[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš]]
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[[category:åäºèšŽèšæ³|462ã®2]]
[[category:åäºèšŽèšæ³ 2016å¹Žæ¹æ£|462ã®2]] | null | 2021-08-17T09:15:27Z | [
"ãã³ãã¬ãŒã:ååŸ",
"ãã³ãã¬ãŒã:Stub"
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| https://ja.wikibooks.org/wiki/%E5%88%91%E4%BA%8B%E8%A8%B4%E8%A8%9F%E6%B3%95%E7%AC%AC462%E6%9D%A1%E3%81%AE2 |
32,330 | èªåè»ã®é転ã«ããäººãæ»å·ãããè¡çºçã®åŠçœ°ã«é¢ããæ³åŸ | èªåè»ã®é転ã«ããäººãæ»å·ãããè¡çºçã®åŠçœ°ã«é¢ããæ³åŸ(å¹³æäºåäºå¹Žæ³åŸç¬¬å
«åå
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{
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"text": "èªåè»ã®é転ã«ããäººãæ»å·ãããè¡çºçã®åŠçœ°ã«é¢ããæ³åŸ(å¹³æäºåäºå¹Žæ³åŸç¬¬å
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"title": ""
}
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| æ³åŠïŒåäºæ³ïŒåæ³ïŒèªåè»ã®é転ã«ããäººãæ»å·ãããè¡çºçã®åŠçœ°ã«é¢ããæ³åŸ
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*[https://elaws.e-gov.go.jp/document?lawid=425AC0000000086_20220617_504AC0000000068&keyword=%E8%87%AA%E5%8B%95%E8%BB%8A%E3%81%AE%E9%81%8B%E8%BB%A2%E3%81%AB%E3%82%88%E3%82%8A%E4%BA%BA%E3%82%92%E6%AD%BB%E5%82%B7%E3%81%95%E3%81%9B%E3%82%8B%E8%A1%8C%E7%82%BA%E7%AD%89%E3%81%AE%E5%87%A6%E7%BD%B0%E3%81%AB%E9%96%A2%E3%81%99%E3%82%8B%E6%B3%95%E5%BE%8B èªåè»ã®é転ã«ããäººãæ»å·ãããè¡çºçã®åŠçœ°ã«é¢ããæ³åŸ]æ³ä»€ããŒã¿æäŸã·ã¹ãã
{{stub|law}}
{{DEFAULTSORT:ããšãããã®ãããŠãã«ãã}}
[[Category:åæ³|*ããšãããã®ãããŠãã«ãã]]
[[Category:ã³ã³ã¡ã³ã¿ãŒã«]]
[[Category:èªåè»é転åŠçœ°æ³]] | null | 2022-10-08T00:12:23Z | [
"ãã³ãã¬ãŒã:Wikipedia",
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/%E8%87%AA%E5%8B%95%E8%BB%8A%E3%81%AE%E9%81%8B%E8%BB%A2%E3%81%AB%E3%82%88%E3%82%8A%E4%BA%BA%E3%82%92%E6%AD%BB%E5%82%B7%E3%81%95%E3%81%9B%E3%82%8B%E8%A1%8C%E7%82%BA%E7%AD%89%E3%81%AE%E5%87%A6%E7%BD%B0%E3%81%AB%E9%96%A2%E3%81%99%E3%82%8B%E6%B3%95%E5%BE%8B |
32,334 | Cèšèª/æšæºã©ã€ãã©ãª/locale.h | ããã㌠<locale.h> ã¯ã2ã€ã®é¢æ°ãš1ã€ã®åã宣èšããããã€ãã®ãã¯ããå®çŸ©ããŠããŸãã
ããã㌠<locale.h> ã§å®çŸ©ãããå struct lconv ã§ãæ°å€ã®ãã©ãŒãããã«é¢é£ããã¡ã³ããŒãå«ãããã®æ§é äœã¯ãå°ãªããšã以äžã®ã¡ã³ããŒãä»»æã®é åºã§å«ãŸãªããã°ãªããªããã¡ã³ããŒã®ã»ãã³ãã£ã¯ã¹ãšãã®æ£åžžç¯å²ã¯ã#localeconv颿° ã§èª¬æããŸããC "ãã±ãŒã«ã§ã¯ãã¡ã³ããŒã¯ã³ã¡ã³ãã§æå®ãããå€ãæã¡ãŸãã
ããã㌠<locale.h> ã§å®çŸ©ããããã¯ãã¯ãNULL ãš
ã§ãå€ãæç¢ºãªæŽæ°ã®å®æ°åŒã«å±éãããsetlocale颿°ã®ç¬¬äžåŒæ°ãšããŠäœ¿çšããã®ã«é©ããŠããŸãããŸããLC_ ãšå€§æåã§å§ãŸã远å ã®ãã¯ãå®çŸ©ãå®è£
ã«ãã£ãŠæå®ã§ããŸãã
setlocale()颿°ã¯ãããã°ã©ã ã®çŸåšã®ãã±ãŒã«ãèšå®ãŸãã¯ç
§äŒããããã«äœ¿çšããŸãã
localeãNULLã§ãªãå Žåãããã°ã©ã ã®çŸåšã®ãã±ãŒã«ã¯åŒæ°ã«å¿ããŠåŒæ°ã«å¿ããŠå€æŽãããŸãã åŒæ° category ã¯ãããã°ã©ã ã®çŸåšã®ãã±ãŒã«ã®ã©ã®éšåãä¿®æ£ããããæ±ºããŸãã
localeãNULLã®å ŽåãçŸåšã®ãã±ãŒã«ã¯åãåãããããã ãã§å€æŽã¯ãŸããã
localeconv()颿°ã¯ãçŸåšã®ãã±ãŒã«ã®æ§é äœlconvãžã®ãã€ã³ã¿ãè¿ããŸãã
ãã®æ§é äœã¯æ¬¡ã®ã»ã¯ã·ã§ã³ã§ç€ºããããã±ãŒã«ã«ããŽãª LC_NUMERIC' ããã³ LC_MONETARY ã«é¢é£ãããã¹ãŠã®å€ãå«ã¿ãŸãã
ããã°ã©ã ã§ã¯ã颿°printf()ãstrfmon()ã䜿çšããããšãã§ããŸããããããã¯å®éã«äœ¿çšãããŠãããã±ãŒã«ã«å¿ããŠåäœããŸãã
The struct lconv contains the following fields:
struct lconvã«ã¯ã以äžã®ãã£ãŒã«ãããããŸãã
å°æ°ç¹ã衚ãæåã
å°æ°ç¹ã®å·Šã«ããæ¡ã°ã«ãŒãã®åºåãæåã
åèŠçŽ ã¯ã°ã«ãŒãå
ã®æ¡æ°ã§ãããã€ã³ããã¯ã¹ã倧ããèŠçŽ ã¯ããã«å·Šã«ãªããŸãã
CHAR_MAXãšããå€ãæã€èŠçŽ ã¯ããã以äžã®ã°ã«ãŒãåãè¡ãããªãããšãæå³ããŸãã
0ã®å€ãæã€èŠçŽ ã¯ãåã®èŠçŽ ãå·Šé£ã®ãã¹ãŠã®ã°ã«ãŒãã«äœ¿çšãããããšãæå³ããŸãã
æåã®3æåã¯é貚èšå· ISO 4217ã®é貚èšå·ã§ãã
4çªç®ã®æå㯠ã»ãã¬ãŒã¿ã§ãã
5æåç®ã¯'0'ã§ãã
çŸå°é貚èšå·ã
äžèš decimal_point ã«åãã
äžèš thousands_sep ã«åãã
äžèš grouping ã«åãã
æ£ã®å€ã瀺ã笊å·ã
è² ã®å€ã瀺ã笊å·ã
åœéçãªå°æ°ç¹ä»¥äžã®æ¡æ°ã
ããŒã«ã«ãªå°æ°ç¹ä»¥äžã®æ°åã
currency_symbolã®åã«æ£ã®å€ãããå Žåã¯1ãæåããå Žåã¯0ãšããŸãã
æ£ã®éé¡ã®ãšããé貚èšå·ãšéé¡ãã¹ããŒã¹ã§åºåããªããcurrency_symbol ã 1ãšããŸãã
è² ã®éé¡ã®ãšããé貚èšå·ã笊å·ã«å眮ãããªãã°currency_symbol ã 1ã«ããããªããã° 0 ã«ãªããŸãã
è² ã®éé¡ãã»ãã¬ãŒã¿ã§åºåãå Žåãcurrency_symbol 㯠1ã«ããããªããã° 0 ã«ãªããŸãã
æ£è² ã®ç¬Šå·äœçœ®: | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ããã㌠<locale.h> ã¯ã2ã€ã®é¢æ°ãš1ã€ã®åã宣èšããããã€ãã®ãã¯ããå®çŸ©ããŠããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ããã㌠<locale.h> ã§å®çŸ©ãããå struct lconv ã§ãæ°å€ã®ãã©ãŒãããã«é¢é£ããã¡ã³ããŒãå«ãããã®æ§é äœã¯ãå°ãªããšã以äžã®ã¡ã³ããŒãä»»æã®é åºã§å«ãŸãªããã°ãªããªããã¡ã³ããŒã®ã»ãã³ãã£ã¯ã¹ãšãã®æ£åžžç¯å²ã¯ã#localeconv颿° ã§èª¬æããŸããC \"ãã±ãŒã«ã§ã¯ãã¡ã³ããŒã¯ã³ã¡ã³ãã§æå®ãããå€ãæã¡ãŸãã",
"title": "å"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "",
"title": "å"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "ããã㌠<locale.h> ã§å®çŸ©ããããã¯ãã¯ãNULL ãš",
"title": "ãã¯ã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ã§ãå€ãæç¢ºãªæŽæ°ã®å®æ°åŒã«å±éãããsetlocale颿°ã®ç¬¬äžåŒæ°ãšããŠäœ¿çšããã®ã«é©ããŠããŸãããŸããLC_ ãšå€§æåã§å§ãŸã远å ã®ãã¯ãå®çŸ©ãå®è£
ã«ãã£ãŠæå®ã§ããŸãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "setlocale()颿°ã¯ãããã°ã©ã ã®çŸåšã®ãã±ãŒã«ãèšå®ãŸãã¯ç
§äŒããããã«äœ¿çšããŸãã",
"title": "解説"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "localeãNULLã§ãªãå Žåãããã°ã©ã ã®çŸåšã®ãã±ãŒã«ã¯åŒæ°ã«å¿ããŠåŒæ°ã«å¿ããŠå€æŽãããŸãã åŒæ° category ã¯ãããã°ã©ã ã®çŸåšã®ãã±ãŒã«ã®ã©ã®éšåãä¿®æ£ããããæ±ºããŸãã",
"title": "解説"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "localeãNULLã®å ŽåãçŸåšã®ãã±ãŒã«ã¯åãåãããããã ãã§å€æŽã¯ãŸããã",
"title": "解説"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "localeconv()颿°ã¯ãçŸåšã®ãã±ãŒã«ã®æ§é äœlconvãžã®ãã€ã³ã¿ãè¿ããŸãã",
"title": "解説"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "ãã®æ§é äœã¯æ¬¡ã®ã»ã¯ã·ã§ã³ã§ç€ºããããã±ãŒã«ã«ããŽãª LC_NUMERIC' ããã³ LC_MONETARY ã«é¢é£ãããã¹ãŠã®å€ãå«ã¿ãŸãã",
"title": "解説"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "ããã°ã©ã ã§ã¯ã颿°printf()ãstrfmon()ã䜿çšããããšãã§ããŸããããããã¯å®éã«äœ¿çšãããŠãããã±ãŒã«ã«å¿ããŠåäœããŸãã",
"title": "解説"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "The struct lconv contains the following fields:",
"title": "解説"
},
{
"paragraph_id": 12,
"tag": "p",
"text": "struct lconvã«ã¯ã以äžã®ãã£ãŒã«ãããããŸãã",
"title": "解説"
},
{
"paragraph_id": 13,
"tag": "p",
"text": "å°æ°ç¹ã衚ãæåã",
"title": "解説"
},
{
"paragraph_id": 14,
"tag": "p",
"text": "å°æ°ç¹ã®å·Šã«ããæ¡ã°ã«ãŒãã®åºåãæåã",
"title": "解説"
},
{
"paragraph_id": 15,
"tag": "p",
"text": "åèŠçŽ ã¯ã°ã«ãŒãå
ã®æ¡æ°ã§ãããã€ã³ããã¯ã¹ã倧ããèŠçŽ ã¯ããã«å·Šã«ãªããŸãã",
"title": "解説"
},
{
"paragraph_id": 16,
"tag": "p",
"text": "CHAR_MAXãšããå€ãæã€èŠçŽ ã¯ããã以äžã®ã°ã«ãŒãåãè¡ãããªãããšãæå³ããŸãã",
"title": "解説"
},
{
"paragraph_id": 17,
"tag": "p",
"text": "0ã®å€ãæã€èŠçŽ ã¯ãåã®èŠçŽ ãå·Šé£ã®ãã¹ãŠã®ã°ã«ãŒãã«äœ¿çšãããããšãæå³ããŸãã",
"title": "解説"
},
{
"paragraph_id": 18,
"tag": "p",
"text": "æåã®3æåã¯é貚èšå· ISO 4217ã®é貚èšå·ã§ãã",
"title": "解説"
},
{
"paragraph_id": 19,
"tag": "p",
"text": "4çªç®ã®æå㯠ã»ãã¬ãŒã¿ã§ãã",
"title": "解説"
},
{
"paragraph_id": 20,
"tag": "p",
"text": "5æåç®ã¯'0'ã§ãã",
"title": "解説"
},
{
"paragraph_id": 21,
"tag": "p",
"text": "çŸå°é貚èšå·ã",
"title": "解説"
},
{
"paragraph_id": 22,
"tag": "p",
"text": "äžèš decimal_point ã«åãã",
"title": "解説"
},
{
"paragraph_id": 23,
"tag": "p",
"text": "äžèš thousands_sep ã«åãã",
"title": "解説"
},
{
"paragraph_id": 24,
"tag": "p",
"text": "äžèš grouping ã«åãã",
"title": "解説"
},
{
"paragraph_id": 25,
"tag": "p",
"text": "æ£ã®å€ã瀺ã笊å·ã",
"title": "解説"
},
{
"paragraph_id": 26,
"tag": "p",
"text": "è² ã®å€ã瀺ã笊å·ã",
"title": "解説"
},
{
"paragraph_id": 27,
"tag": "p",
"text": "åœéçãªå°æ°ç¹ä»¥äžã®æ¡æ°ã",
"title": "解説"
},
{
"paragraph_id": 28,
"tag": "p",
"text": "ããŒã«ã«ãªå°æ°ç¹ä»¥äžã®æ°åã",
"title": "解説"
},
{
"paragraph_id": 29,
"tag": "p",
"text": "currency_symbolã®åã«æ£ã®å€ãããå Žåã¯1ãæåããå Žåã¯0ãšããŸãã",
"title": "解説"
},
{
"paragraph_id": 30,
"tag": "p",
"text": "æ£ã®éé¡ã®ãšããé貚èšå·ãšéé¡ãã¹ããŒã¹ã§åºåããªããcurrency_symbol ã 1ãšããŸãã",
"title": "解説"
},
{
"paragraph_id": 31,
"tag": "p",
"text": "è² ã®éé¡ã®ãšããé貚èšå·ã笊å·ã«å眮ãããªãã°currency_symbol ã 1ã«ããããªããã° 0 ã«ãªããŸãã",
"title": "解説"
},
{
"paragraph_id": 32,
"tag": "p",
"text": "è² ã®éé¡ãã»ãã¬ãŒã¿ã§åºåãå Žåãcurrency_symbol 㯠1ã«ããããªããã° 0 ã«ãªããŸãã",
"title": "解説"
},
{
"paragraph_id": 33,
"tag": "p",
"text": "æ£è² ã®ç¬Šå·äœçœ®:",
"title": "解説"
}
]
| ããã㌠<locale.h> ã¯ã2ã€ã®é¢æ°ãš1ã€ã®åã宣èšããããã€ãã®ãã¯ããå®çŸ©ããŠããŸãã | {{Nav}}
ããã㌠<locale.h> ã¯ã2ã€ã®é¢æ°ãš1ã€ã®åã宣èšããããã€ãã®ãã¯ããå®çŸ©ããŠããŸã<ref name="jtc1-sc22-wg14-n1570-7.11">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
| title = N1570 Committee Draft â April 12, 2011 ISO/IEC 9899:201x
| page=223, §7.11 ''Localization <locale.h>''
| publisher = ISO/IEC}}</ref>ã
== å ==
ããã㌠<locale.h> ã§å®çŸ©ãããå struct lconv ã§ãæ°å€ã®ãã©ãŒãããã«é¢é£ããã¡ã³ããŒãå«ãããã®æ§é äœã¯ãå°ãªããšã以äžã®ã¡ã³ããŒãä»»æã®é åºã§å«ãŸãªããã°ãªããªããã¡ã³ããŒã®ã»ãã³ãã£ã¯ã¹ãšãã®æ£åžžç¯å²ã¯ã[[#localeconv颿°]] ã§èª¬æããŸããC "ãã±ãŒã«ã§ã¯ãã¡ã³ããŒã¯ã³ã¡ã³ãã§æå®ãããå€ãæã¡ãŸãã
<syntaxhighlight lang=c>
char *decimal_point; // "."
char *thousands_sep; // ""
char *grouping; // ""
char *mon_decimal_point; // ""
char *mon_thousands_sep; // ""
char *mon_grouping; // ""
char *positive_sign; // ""
char *negative_sign; // ""
char *currency_symbol; // ""
char frac_digits; // CHAR_MAX
char p_cs_precedes; // CHAR_MAX
char n_cs_precedes; // CHAR_MAX
char p_sep_by_space; // CHAR_MAX
char n_sep_by_space; // CHAR_MAX
char p_sign_posn; // CHAR_MAX
char n_sign_posn; // CHAR_MAX
char *int_curr_symbol; // ""
char int_frac_digits; // CHAR_MAX
char int_p_cs_precedes; // CHAR_MAX
char int_n_cs_precedes; // CHAR_MAX
char int_p_sep_by_space; // CHAR_MAX
char int_n_sep_by_space; // CHAR_MAX
char int_p_sign_posn; // CHAR_MAX
char int_n_sign_posn; // CHAR_MAX
</syntaxhighlight>
=== struct lconv ã®ã¡ã³ã㌠===
; char *decimal_point
: é貚以å€ã®éã®ãã©ãŒãããã«äœ¿çšãããå°æ°ç¹ã衚ãæåãã<!--The decimal-point character used to format nonmonetary quantities.-->
; char *thousands_sep
: é貚以å€ã®éã®ãã©ãŒãããã«ãããŠãå°æ°ç¹æåã®åã®æ°åã®ã°ã«ãŒããåºåãããã®æåã<!--The character used to separate groups of digits before the decimal-point character in formatted nonmonetary quantities.-->
<!--
;
; char *grouping
: A string whose elements indicate the size of each group of digits in formatted nonmonetary quantities.
; char *mon_decimal_point
: The decimal-point used to format monetary quantities.
; char *mon_thousands_sep
: The separator for groups of digits before the decimal-point in formatted monetary quantities.
; char *mon_grouping
: A string whose elements indicate the size of each group of digits in formatted monetary quantities.
; char *positive_sign
: The string used to indicate a nonnegative-valued formatted monetary quantity.
; char *negative_sign
: The string used to indicate a negative-valued formatted monetary quantity.
; char *currency_symbol
: The local currency symbol applicable to the current locale.
; char frac_digits
: The number of fractional digits (those after the decimal-point) to be displayed in a locally formatted monetary quantity.
; char p_cs_precedes
: Set to 1 or 0 if the currency_symbol respectively precedes or
: succeeds the value for a nonnegative locally formatted monetary quantity.
; char n_cs_precedes
: Set to 1 or 0 if the currency_symbol respectively precedes or succeeds the value for a negative locally formatted monetary quantity.
; char p_sep_by_space
: Set to a value indicating the separation of the currency_symbol, the sign string, and the value for a nonnegative locally formatted monetary quantity.
; char n_sep_by_space
: Set to a value indicating the separation of the currency_symbol, the sign string, and the value for a negative locally formatted monetaryquantity.
; char p_sign_posn
: Set to a value indicating the positioning of the positive_sign for a nonnegative locally formatted monetary quantity.
; char n_sign_posn
: Set to a value indicating the positioning of the negative_sign for a negative locally formatted monetary quantity.
; char *int_curr_symbol
: The international currency symbol applicable to the current locale.
: The first three characters contain the alphabetic international currency symbol in accordance with those specified in ISO 4217.
: The fourth character (immediately preceding the null character) is the character used to separate the international currency symbol from the monetary quantity.
; char int_frac_digits
: The number of fractional digits (those after the decimal-point) to be displayed in an internationally formatted monetary quantity.
; char int_p_cs_precedes
: Set to 1 or 0 if the int_curr_symbol respectively precedes or succeeds the value for a nonnegative internationally formatted monetary quantity.
; char int_n_cs_precedes
: Set to 1 or 0 if the int_curr_symbol respectively precedes or succeeds the value for a negative internationally formatted monetary quantity.
; char int_p_sep_by_space
: Set to a value indicating the separation of the int_curr_symbol, the sign string, and the value for a nonnegative internationally formatted monetary quantity.
; char int_n_sep_by_space
: Set to a value indicating the separation of the int_curr_symbol, the sign string, and the value for a negative internationally formatted monetary quantity.
; char int_p_sign_posn
: Set to a value indicating the positioning of the positive_sign for a nonnegative internationally formatted monetary quantity.
; char int_n_sign_posn
: Set to a value indicating the positioning of the negative_sign for a negative internationally formatted monetary quantity
-->
== ãã¯ã ==
ããã㌠<locale.h> ã§å®çŸ©ããããã¯ãã¯ãNULL ãš
; LC_ALL
; LC_COLLATE;
; LC_CTYPE
; LC_MONETARY
; LC_NUMERIC
; LC_TIME
ã§ãå€ãæç¢ºãªæŽæ°ã®å®æ°åŒã«å±éãããsetlocale颿°ã®ç¬¬äžåŒæ°ãšããŠäœ¿çšããã®ã«é©ããŠããŸãããŸããLC_ ãšå€§æåã§å§ãŸã远å ã®ãã¯ãå®çŸ©ãå®è£
ã«ãã£ãŠæå®ã§ããŸãã
== æŠèŠ ==
<syntaxhighlight lang="c">
#include <locale.h>
char *setlocale(int category, const char *locale);
struct lconv *localeconv(void);
</syntaxhighlight>
== 解説 ==
=== setlocale颿° ===
<code>setlocale()</code>颿°ã¯ãããã°ã©ã ã®çŸåšã®ãã±ãŒã«ãèšå®ãŸãã¯ç
§äŒããããã«äœ¿çšããŸãã
<code>locale</code>ã<code>NULL</code>ã§ãªãå Žåãããã°ã©ã ã®çŸåšã®ãã±ãŒã«ã¯åŒæ°ã«å¿ããŠåŒæ°ã«å¿ããŠå€æŽãããŸãã
åŒæ° <code>category</code> ã¯ãããã°ã©ã ã®çŸåšã®ãã±ãŒã«ã®ã©ã®éšåãä¿®æ£ããããæ±ºããŸãã
<code>locale</code>ã<code>NULL</code>ã®å ŽåãçŸåšã®ãã±ãŒã«ã¯åãåãããããã ãã§å€æŽã¯ãŸããã
=== localeconv颿° ===
<code>localeconv()</code>颿°ã¯ãçŸåšã®ãã±ãŒã«ã®<code>æ§é äœlconv</code>ãžã®ãã€ã³ã¿ãè¿ããŸãã
ãã®æ§é äœã¯æ¬¡ã®ã»ã¯ã·ã§ã³ã§ç€ºããããã±ãŒã«ã«ããŽãª '''LC_NUMERIC''' ããã³ '''LC_MONETARY'' ã«é¢é£ãããã¹ãŠã®å€ãå«ã¿ãŸãã
ããã°ã©ã ã§ã¯ã颿°<code>printf()</code>ã<code>strfmon()</code>ã䜿çšããããšãã§ããŸããããããã¯å®éã«äœ¿çšãããŠãããã±ãŒã«ã«å¿ããŠåäœããŸãã
=== lconvæ§é äœ ===
The <code>struct lconv</code> contains the following fields:
----
<code>struct lconv</code>ã«ã¯ã以äžã®ãã£ãŒã«ãããããŸãã
==== ïŒé貚幣æ§ïŒæ°å€æ
å ± ====
<syntaxhighlight lang="c">
char *decimal_point;
</syntaxhighlight>
å°æ°ç¹ã衚ãæåã
<syntaxhighlight lang="c">
char *thousands_sep;
</syntaxhighlight>
å°æ°ç¹ã®å·Šã«ããæ¡ã°ã«ãŒãã®åºåãæåã
<syntaxhighlight lang="c">
char *grouping;
</syntaxhighlight>
åèŠçŽ ã¯ã°ã«ãŒãå
ã®æ¡æ°ã§ãããã€ã³ããã¯ã¹ã倧ããèŠçŽ ã¯ããã«å·Šã«ãªããŸãã
<code>CHAR_MAX</code>ãšããå€ãæã€èŠçŽ ã¯ããã以äžã®ã°ã«ãŒãåãè¡ãããªãããšãæå³ããŸãã
<code>0</code>ã®å€ãæã€èŠçŽ ã¯ãåã®èŠçŽ ãå·Šé£ã®ãã¹ãŠã®ã°ã«ãŒãã«äœ¿çšãããããšãæå³ããŸãã
==== é貚æ
å ± ====
<syntaxhighlight lang="c">
char *int_curr_symbol;
</syntaxhighlight>
æåã®3æåã¯é貚èšå· ISO 4217ã®é貚èšå·ã§ãã
4çªç®ã®æå㯠ã»ãã¬ãŒã¿ã§ãã
5æåç®ã¯<code>'0'</code>ã§ãã
<syntaxhighlight lang="c">
char *currency_symbol;
</syntaxhighlight>
çŸå°é貚èšå·ã
<syntaxhighlight lang="c">
char *mon_decimal_point;
</syntaxhighlight>
äžèš <code>decimal_point</code> ã«åãã
<syntaxhighlight lang="c">
char *mon_thousands_sep;
</syntaxhighlight>
äžèš <code>thousands_sep</code> ã«åãã
<syntaxhighlight lang="c">
char *mon_grouping;
</syntaxhighlight>
äžèš <code>grouping</code> ã«åãã
<syntaxhighlight lang="c">
char *positive_sign;
</syntaxhighlight>
æ£ã®å€ã瀺ã笊å·ã
<syntaxhighlight lang="c">
char *negative_sign;
</syntaxhighlight>
è² ã®å€ã瀺ã笊å·ã
<syntaxhighlight lang="c">
char int_frac_digits;
</syntaxhighlight>
åœéçãªå°æ°ç¹ä»¥äžã®æ¡æ°ã
<syntaxhighlight lang="c">
char frac_digits;
</syntaxhighlight>
ããŒã«ã«ãªå°æ°ç¹ä»¥äžã®æ°åã
<syntaxhighlight lang="c">
char p_cs_precedes;
</syntaxhighlight>
<code>currency_symbol</code>ã®åã«æ£ã®å€ãããå Žåã¯<code>1</code>ãæåããå Žåã¯<code>0</code>ãšããŸãã
<syntaxhighlight lang="c">
char p_sep_by_space;
</syntaxhighlight>
æ£ã®éé¡ã®ãšããé貚èšå·ãšéé¡ãã¹ããŒã¹ã§åºåããªãã<code>currency_symbol</code> ã <code>1</code>ãšããŸãã
<syntaxhighlight lang="c">
char n_cs_precedes;
</syntaxhighlight>
è² ã®éé¡ã®ãšããé貚èšå·ã笊å·ã«å眮ãããªãã°<code>currency_symbol</code> ã <code>1</code>ã«ããããªããã° <code>0</code> ã«ãªããŸãã
<syntaxhighlight lang="c">
char n_sep_by_space;
</syntaxhighlight>
è² ã®éé¡ãã»ãã¬ãŒã¿ã§åºåãå Žåã<code>currency_symbol</code> 㯠<code>1</code>ã«ããããªããã° <code>0</code> ã«ãªããŸãã
<syntaxhighlight lang="c">
char p_sign_posn;
char n_sign_posn;
</syntaxhighlight>
æ£è² ã®ç¬Šå·äœçœ®ïŒ
* <code>0</code>: æ¬åŒ§ã§å²ãŸããæ°éãš <code>currency_symbol</code>
* <code>1</code>: ç¬Šå·æååãæ°éã®åã«ãããã€ã¥ããŠ<code>currency_symbol</code>
* <code>2</code>: ç¬Šå·æååã¯ãæ°éãš <code>currency_symbol</code> ã«ç¶ã
* <code>3</code>: ç¬Šå·æååã¯ã<code>currency_symbol</code>ã®çŽåã«ãããŸãã
* <code>4</code>: ç¬Šå·æååã¯ã<code>currency_symbol</code>ã®çŽåŸã«
== äŸ ==
<syntaxhighlight lang="c">
#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
int main(void)
{
/* Locale is set to "C" before this. This call sets it
to the "current locale" by reading environment variables: */
setlocale(LC_ALL, "");
const struct lconv * const currentlocale = localeconv();
printf("In the current locale, the default currency symbol is: %s\n",
currentlocale->currency_symbol);
return EXIT_SUCCESS;
}
</syntaxhighlight>
{{Nav}}
== å€éšãªã³ã¯ ==
#[http://www.opengroup.org/onlinepubs/009695399/basedefs/locale.h.html locale.h] by OpenGroup
#[http://www.opengroup.org/onlinepubs/009695399/functions/localeconv.html localeconv] by OpenGroup
#[http://www.opengroup.org/onlinepubs/009695399/functions/setlocale.html setlocale] by OpenGroup | null | 2021-10-23T00:22:37Z | [
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Cite book"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/locale.h |
32,337 | åæ³ç¬¬27æ¡ã®2 | (åã®äžéšã®å·è¡ç¶äº)
2022幎ã以äžã®ãšããæ¹æ£(æœè¡æ¥2025幎6æ1æ¥)ã
2013å¹Žæ¹æ£ã«ããæ°èšã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "(åã®äžéšã®å·è¡ç¶äº)",
"title": "æ¡æ"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "2022幎ã以äžã®ãšããæ¹æ£(æœè¡æ¥2025幎6æ1æ¥)ã",
"title": "æ¡æ"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "2013å¹Žæ¹æ£ã«ããæ°èšã",
"title": "解説"
}
]
| æ³åŠïŒåäºæ³ïŒåæ³ïŒã³ã³ã¡ã³ã¿ãŒã«åæ³
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*[[æ³åŠ]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«åæ³]]
== æ¡æ ==
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== 解説 ==
2013å¹Žæ¹æ£ã«ããæ°èšã
== é¢é£æ¡æ ==
== å€äŸ ==
----
{{ååŸ
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|[[ã³ã³ã¡ã³ã¿ãŒã«åæ³#1|第1ç·š ç·å]]<br>
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{{stub|law}}
[[Category:åæ³|027ã®2]]
[[category:åæ³ 2013å¹Žæ¹æ£|027ã®2]]
[[category:åæ³ 2022å¹Žæ¹æ£ïŒäž»èŠïŒ|027ã®2]] | 2021-08-18T09:57:15Z | 2023-12-20T19:38:33Z | [
"ãã³ãã¬ãŒã:ååŸ",
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/%E5%88%91%E6%B3%95%E7%AC%AC27%E6%9D%A1%E3%81%AE2 |
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2013å¹Žæ¹æ£ã«ããæ°èšã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "(åã®äžéšã®å·è¡ç¶äºäžã®ä¿è·èгå¯)",
"title": "æ¡æ"
},
{
"paragraph_id": 1,
"tag": "p",
"text": "2013å¹Žæ¹æ£ã«ããæ°èšã",
"title": "解説"
}
]
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32,345 | Cèšèª/æšæºã©ã€ãã©ãª/setjmp.h | ããããŒ<setjmp.h> ã§ã¯ããã¯ã setjmp ãå®çŸ©ããéåžžã®é¢æ°åŒã³åºããšæ»ãã®èŠåŸãåé¿ããããã® 1 ã€ã®é¢æ°ãš 1 ã€ã®åã宣èšããŠããŸãã
setjmpããã¯ãã§ããããå€éšãªã³ã¯ã§å®£èšãããèå¥åã§ãããã¯äžè©³ã§ãã ãã ãã¯ãå®çŸ©ãå®éã®é¢æ°ã«ã¢ã¯ã»ã¹ããããã«æå¶ãããŠããå Žåããããã°ã©ã ãsetjmpãšããååã®å€éšèå¥åãå®çŸ©ããŠããå Žåã ããã°ã©ã ãsetjmpãšããååã®å€éšèå¥åãå®çŸ©ããå Žåããã®åäœã¯æªå®çŸ©ã§ãã
ãããã®é¢æ°ã¯ãããã°ã©ã ã®äœã¬ãã«é¢æ°ã§çºçããç°åžžãªç¶æ
ã«å¯ŸåŠããã®ã«äŸ¿å©ã§ãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ããããŒ<setjmp.h> ã§ã¯ããã¯ã setjmp ãå®çŸ©ããéåžžã®é¢æ°åŒã³åºããšæ»ãã®èŠåŸãåé¿ããããã® 1 ã€ã®é¢æ°ãš 1 ã€ã®åã宣èšããŠããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "",
"title": ""
},
{
"paragraph_id": 2,
"tag": "p",
"text": "setjmpããã¯ãã§ããããå€éšãªã³ã¯ã§å®£èšãããèå¥åã§ãããã¯äžè©³ã§ãã ãã ãã¯ãå®çŸ©ãå®éã®é¢æ°ã«ã¢ã¯ã»ã¹ããããã«æå¶ãããŠããå Žåããããã°ã©ã ãsetjmpãšããååã®å€éšèå¥åãå®çŸ©ããŠããå Žåã ããã°ã©ã ãsetjmpãšããååã®å€éšèå¥åãå®çŸ©ããå Žåããã®åäœã¯æªå®çŸ©ã§ãã",
"title": "颿°ã»ãã¯ã"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "ãããã®é¢æ°ã¯ãããã°ã©ã ã®äœã¬ãã«é¢æ°ã§çºçããç°åžžãªç¶æ
ã«å¯ŸåŠããã®ã«äŸ¿å©ã§ãã",
"title": "颿°ã»ãã¯ã"
}
]
| ããããŒ<setjmp.h> ã§ã¯ããã¯ã setjmp ãå®çŸ©ããéåžžã®é¢æ°åŒã³åºããšæ»ãã®èŠåŸãåé¿ããããã® 1 ã€ã®é¢æ°ãš 1 ã€ã®åã宣èšããŠããŸãã | {{Nav}}
ããããŒ<code><setjmp.h></code> ã§ã¯ããã¯ã setjmp ãå®çŸ©ããéåžžã®é¢æ°åŒã³åºããšæ»ãã®èŠåŸãåé¿ããããã® 1 ã€ã®é¢æ°ãš 1 ã€ã®åã宣èšããŠããŸã<ref name="jtc1-sc22-wg14-n2596-7.10">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2596.pdf
| title= N2596 working draft â December 11, 2020 ISO/IEC 9899:202x (E)
| page=240, §7.13 ''Nonlocal jumps <setjmp.h>''
| publisher = [http://www.open-std.org/jtc1/sc22/wg14/www/projects ISO/IEC JTC1/SC22/WG14]}}</ref>ã
== å ==
; jmp_buf
: åŒã³åºãç°å¢ã埩å
ããããã«å¿
èŠãªæ
å ±ãä¿æããã®ã«é©ããé
ååã§ãã
: setjmp ãã¯ãã®åŒã³åºãç°å¢ã¯ãlongjmp 颿°ã®åŒã³åºãã§å®è¡ãå
ã«æ»ãã®ã«ååãªæ
å ±ã§æ§æãããŠããŸãã
: longjmp 颿°ãåŒã³åºããŠæ£ãããããã¯ã«å®è¡ãæ»ãããã®ãããã¯ãååž°çã«åŒã³åºãã®ã«ååãªæ
å ±ã§æ§æãããŸãã
: ååž°çã«åŒã³åºãããå Žåãlongjmp颿°ã®åŒã³åºãã«ååãªæ
å ±ã§æ§æãããŸãã
: ããã«ã¯ãæµ®åå°æ°ç¹ã®ã¹ããŒã¿ã¹ãã©ã°ã®ç¶æ
ãéããŠãããã¡ã€ã«ã®ç¶æ
ãæœè±¡æ©æ¢°ã®ä»ã®ã³ã³ããŒãã³ãã®ç¶æ
ãªã©ã¯å«ãŸããŸããã
: æœè±¡æ©æ¢°ã®ä»ã®ã³ã³ããŒãã³ãã®ç¶æ
ã¯å«ãŸããŸããã
== 颿°ã»ãã¯ã ==
setjmpããã¯ãã§ããããå€éšãªã³ã¯ã§å®£èšãããèå¥åã§ãããã¯äžè©³ã§ãã
ãã ãã¯ãå®çŸ©ãå®éã®é¢æ°ã«ã¢ã¯ã»ã¹ããããã«æå¶ãããŠããå Žåããããã°ã©ã ãsetjmpãšããååã®å€éšèå¥åãå®çŸ©ããŠããå Žåã
ããã°ã©ã ãsetjmpãšããååã®å€éšèå¥åãå®çŸ©ããå Žåããã®åäœã¯æªå®çŸ©ã§ãã
ãããã®é¢æ°ã¯ãããã°ã©ã ã®äœã¬ãã«é¢æ°ã§çºçããç°åžžãªç¶æ
ã«å¯ŸåŠããã®ã«äŸ¿å©ã§ãã
=== åŒã³åºãç°å¢ã®ä¿å ===
;圢åŒ:<syntaxhighlight lang="c">
#include <setjmp.h>
int setjmp(jmp_buf env);
</syntaxhighlight>
; Description
: setjmp ãã¯ãã¯ããã®åŒã³åºãç°å¢ã jmp_buf åŒæ°ã«ä¿åããåŸã§ longjmp 颿°ã§äœ¿çšã§ããããã«ããŸãã
; æ»ãå€
: æ»ãå€ãçŽæ¥åŒã³åºãã®å Žåãsetjmp ãã¯ãã¯å€ 0 ãè¿ããŸããæ»ãå€ãlongjmp颿°ã®åŒã³åºãã®å Žåãsetjmpãã¯ãã¯ãŒã以å€ã®å€ãè¿ããŸã<ref>forkãšåããã¡ã·ãªãã£ã§ãã</ref>ã
; ç°å¢å¶é
: setjmp ãã¯ãã®åŒã³åºãã¯ã以äžã®ã³ã³ããã¹ãã®ããããã§ã®ã¿çŸãããã®ãšããã
:* éžææãŸãã¯å埩æã®å¶åŸ¡åŒå
šäœã
:* é¢ä¿æŒç®åãŸãã¯çåŒæŒç®åã®äžæ¹ã®ãªãã©ã³ããšãããäžæ¹ã®ãªãã©ã³ããæŽæ°ã®å®æ°åŒã®å ŽåãæŒç®åã®äžæ¹ã®ãªãã©ã³ãã«æŽæ°ã®å®æ°ãæå®ãããã®çµæã®åŒãéžææãŸãã¯å埩æã®å¶åŸ¡åŒå
šäœãšãªãå Žåãã®å¶åŸ¡åŒå
šäœãšãªãã
:* åé
ã®ïŒæŒç®åã®ãªãã©ã³ãã§ããã®çµæã®åŒãéžææãŸãã¯å埩æã®å¶åŸ¡åŒå
šäœãšãªããã®ãåé
æŒç®åã®ãªãã©ã³ãã§ãçµæãšããŠéžææãŸãã¯å埩æã®å¶åŸ¡åŒå
šäœãšãªããã®.
:* åŒæã®åŒå
šäœïŒå Žåã«ãã£ãŠã¯voidã«ãã£ã¹ããããïŒã
:* ãã®ä»ã®æèã§åŒã³åºãããå Žåããã®åäœã¯æªå®çŸ©ã§ãã
=== åŒã³åºãç°å¢ã®åŸ©å
===
;圢åŒ:<syntaxhighlight lang="c">
#include <setjmp.h>
_Noreturn void longjmp(jmp_buf env, int val);
</syntaxhighlight>
; Description
: longjmp 颿°ã¯ãsetjmp ãã¯ãã®çŽè¿ã®åŒã³åºãã«ãã£ãŠä¿åãããç°å¢ãã察å¿ãã jmp_buf åŒæ°ãæã€ããã°ã©ã ã®åãåŒã³åºãã§åŸ©å
ããŸãã
: ãã®ãããªåŒã³åºããè¡ãããŠããªãå ŽåãåŒã³åºããä»ã®ã¹ã¬ããããè¡ãããå Žåãsetjmp ãã¯ããåŒã³åºãã颿°ããã®éã«å®è¡ãçµäºããå ŽåããŸãã¯ãsetjmp ãã¯ãã®åŒã³åºããå¯å€çã«å€æŽãããåãæã€èå¥åã®ã¹ã³ãŒãå
ã«ããããã®éã«å®è¡ããã®ã¹ã³ãŒããé¢ããå Žåããã®åäœã¯æªå®çŸ©ã§ãã
: ã¢ã¯ã»ã¹å¯èœãªãªããžã§ã¯ãã¯ãã¹ãŠå€ãæã¡ãæœè±¡æ©æ¢°ã®ä»ã®ã³ã³ããŒãã³ãã¯ãã¹ãŠç¶æ
ãæã¡ãŸãã
: longjmp颿°ãåŒã³åºãããæç¹ã§ããã¹ãŠã®ã¢ã¯ã»ã¹å¯èœãªãªããžã§ã¯ãã¯å€ãæã¡ãæœè±¡æ©æ¢°ã®ä»ã®ãã¹ãŠã®æ§æèŠçŽ ã¯ç¶æ
ãæã¡ãŸãã
: 察å¿ããsetjmpãã¯ãã®åŒã³åºããå«ã颿°ã«ããŒã«ã«ãªãèªåä¿åã®ãªããžã§ã¯ãã®å€ã¯é€ããŸãããã ãã察å¿ããsetjmpãã¯ããåŒã³åºãã颿°ã®ããŒã«ã«ã«ããèªåä¿åæéã®ãªããžã§ã¯ãã§ãvolatile修食ãããåãæãããsetjmpã®åŒã³åºããš longjmpã®åŒã³åºãã®éã«å€æŽãããvolatile-qualified typeãæããªã察å¿ããsetjmpãã¯ãã®åŒã³åºããå«ã颿°ã®ããŒã«ã«ãªãªããžã§ã¯ãã®èªåèšæ¶æéã®å€ã¯äžç¢ºå®ã§ãã
; æ»ãå€
: longjmp ãå®äºããåŸãã¹ã¬ããã®å®è¡ã¯ã察å¿ãã setjmp ãã¯ãã®åŒã³åºãã val ã§æå®ãããå€ãè¿ãããã®ããã«ç¶ç¶ãããŸãã
: longjmp颿°ã¯ãsetjmpãã¯ãã«å€0ãè¿ãããããšã¯ã§ããŸãããvalã0ã®å Žåãsetjmpãã¯ãã¯å€1ãè¿ããŸãã
;äŸ:<syntaxhighlight lang="c">
#include <setjmp.h>
jmp_buf buf;
void g(int n);
void h(int n);
int n = 6;
void f(void) {
int x[n]; // valid: f is not terminated
setjmp(buf);
g(n);
}
void g(int n) {
int a[n]; // a may remain allocated
h(n);
}
void h(int n) {
int b[n]; // b may remain allocated
longjmp(buf, 2); // might cause memory loss
}
</syntaxhighlight>
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== æŽå² ==
<code><limits.h></code> ã¯ãANSI C ãããããŸãããããK&R1ã§ã¯äžæã
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== é¢é£é
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== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
[[Category:Cèšèª|setjmp.h]] | null | 2021-08-28T07:34:13Z | [
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Cite book"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/setjmp.h |
32,346 | Cèšèª/æšæºã©ã€ãã©ãª/signal.h | ããããŒ<signal.h> ã§ã¯ãããŸããŸãªã·ã°ãã«(ããã°ã©ã ã®å®è¡äžã«å ±åãããæ¡ä»¶)ãåŠçããããã«ãåãš2ã€ã®é¢æ°ã宣èšããããã€ãã®ãã¯ããå®çŸ©ããŠããŸãã
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ã·ã°ãã«åŠçã®æå®ã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ããããŒ<signal.h> ã§ã¯ãããŸããŸãªã·ã°ãã«(ããã°ã©ã ã®å®è¡äžã«å ±åãããæ¡ä»¶)ãåŠçããããã«ãåãš2ã€ã®é¢æ°ã宣èšããããã€ãã®ãã¯ããå®çŸ©ããŠããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ã·ã°ãã«é¢æ°ã®ç¬¬2åŒæ°ãšãã®æ»ãå€ã«å¯Ÿå¿ããåãæã¡ããã€å®£èšå¯èœãªé¢æ°ã®ã¢ãã¬ã¹ãšæ¯èŒããŠäžçãªå€ãæã€å®æ°åŒã«å±éããããã®ãšã intåã®æ£ã®æŽæ°ã®å®æ°åŒã«å±éãããããããæå®ãããæ¡ä»¶ã«å¯Ÿå¿ããã·ã°ãã«çªå·ã§ããæç¢ºãªå€ãæã€ä»¥äžã®ãã®ããããŸãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "å®è£
ã§ã¯ãæç€ºçã« raise 颿°ãåŒã³åºããå Žåãé€ãããããã®ã·ã°ãã«ãçæããå¿
èŠã¯ãããŸããã",
"title": "ãã¯ã"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "SIGãšå€§æåããŸãã¯SIG_ãšå€§æåã§å§ãŸããã¯ãå®çŸ©ãæã€ã远å ã®ã·ã°ãã«ãšå®£èšäžå¯èœãªé¢æ°ãžã®ãã€ã³ã¿ããå®è£
ã«ãã£ãŠæå®ããããšãã§ããŸãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ã·ã°ãã«ã®å®å
šãªã»ããããã®ã»ãã³ãã£ã¯ã¹ãããã³ããã©ã«ãã®åŠçã¯ãå®è£
ã«ãã£ãŠå®çŸ©ãããŸãããã¹ãŠã®ã·ã°ãã«çªå·ã¯æ£ã®å€ã§ãªããã°ãªããŸããã",
"title": "ãã¯ã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "ã·ã°ãã«åŠçã®æå®ã",
"title": "颿°"
}
]
| ããããŒ<signal.h> ã§ã¯ãããŸããŸãªã·ã°ãã«ïŒããã°ã©ã ã®å®è¡äžã«å ±åãããæ¡ä»¶ïŒãåŠçããããã«ãåãš2ã€ã®é¢æ°ã宣èšããããã€ãã®ãã¯ããå®çŸ©ããŠããŸãã | {{Nav}}
ããããŒ<code><signal.h></code> ã§ã¯ãããŸããŸãªã·ã°ãã«ïŒããã°ã©ã ã®å®è¡äžã«å ±åãããæ¡ä»¶ïŒãåŠçããããã«ãåãš2ã€ã®é¢æ°ã宣èšããããã€ãã®ãã¯ããå®çŸ©ããŠããŸã<ref name="jtc1-sc22-wg14-n2596-7.10">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2596.pdf
| title= N2596 working draft â December 11, 2020 ISO/IEC 9899:202x (E)
| page=242, §7.14 ''Signal handling <signal.h>''
| publisher = [http://www.open-std.org/jtc1/sc22/wg14/www/projects ISO/IEC JTC1/SC22/WG14]}}</ref>ã
== å ==
; sig_atomic_t
: éåæã®å²ã蟌ã¿ããã£ãŠããã¢ãããã¯ã«ã¢ã¯ã»ã¹ã§ãããªããžã§ã¯ãã®ïŒããããvolatile 修食ãããïŒæŽæ°åã§ãã
== ãã¯ã ==
:<syntaxhighlight lang="c">
SIG_DFL
SIG_ERR
SIG_IGN
</syntaxhighlight>
ã·ã°ãã«é¢æ°ã®ç¬¬2åŒæ°ãšãã®æ»ãå€ã«å¯Ÿå¿ããåãæã¡ããã€å®£èšå¯èœãªé¢æ°ã®ã¢ãã¬ã¹ãšæ¯èŒããŠäžçãªå€ãæã€å®æ°åŒã«å±éããããã®ãšã
intåã®æ£ã®æŽæ°ã®å®æ°åŒã«å±éãããããããæå®ãããæ¡ä»¶ã«å¯Ÿå¿ããã·ã°ãã«çªå·ã§ããæç¢ºãªå€ãæã€ä»¥äžã®ãã®ããããŸãã
=== ã·ã°ãã«çªå·ãšæå³ ===
; SIGABRT : ã¢ããŒãæ©èœã«ããç°åžžçµäº
; SIGFPE : ãŒãé€ç®ããªãŒããŒãããŒã®ãããªèª€ã£ãç®è¡æŒç®
; SIGILL : ç¡å¹ãªåœä»€ãªã©ãç¡å¹ãªé¢æ°ã€ã¡ãŒãžã®æ€åº
; SIGINT : ã€ã³ã¿ã©ã¯ãã£ãã»ã¢ãã³ã·ã§ã³ã»ã·ã°ãã«ã®åä¿¡
; SIGSEGV : ã¹ãã¬ãŒãžãžã®äžæ£ãªã¢ã¯ã»ã¹
; SIGTERM : ããã°ã©ã ãžã®çµäºèŠæ±
å®è£
ã§ã¯ãæç€ºçã« raise 颿°ãåŒã³åºããå Žåãé€ãããããã®ã·ã°ãã«ãçæããå¿
èŠã¯ãããŸããã
SIGãšå€§æåããŸãã¯SIG_ãšå€§æåã§å§ãŸããã¯ãå®çŸ©ãæã€ã远å ã®ã·ã°ãã«ãšå®£èšäžå¯èœãªé¢æ°ãžã®ãã€ã³ã¿ããå®è£
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ã«ãã£ãŠå®çŸ©ãããŸãããã¹ãŠã®ã·ã°ãã«çªå·ã¯æ£ã®å€ã§ãªããã°ãªããŸããã
== 颿° ==
ã·ã°ãã«åŠçã®æå®ã
=== signal 颿° ===
; åœ¢åŒ : <syntaxhighlight lang="c">
#include <signal.h>
void (*signal(int sig, void (*func)(int)))(int);
</syntaxhighlight>
; 説æ
: signal 颿°ã¯ãã·ã°ãã«çªå· sig ã®åä¿¡ããã®åŸã©ã®ããã«åŠçããããfuncã®å€ã«ãã£ãŠ3ã€ã®æ¹æ³ã®ãã¡1ã€ãéžæããŸãã
:; SIG_DFL : ãã®ã·ã°ãã«ã«å¯Ÿããããã©ã«ãã®åŠçãè¡ãããŸãã
:; SIG_IGN : ãã®ã·ã°ãã«ã¯ç¡èŠãããã
:; ãã以å€ã®å Žå
:: funcã¯ãã®ã·ã°ãã«ãçºçãããšãã«åŒã³åºããã颿°ãæããŸãã
:: ã·ã°ãã«ãåå ã§ãã®ãããªé¢æ°ãåŒã³åºãããå Žåã(ååž°çã«)ãã®åŒã³åºãã«ãã£ãŠããã«åŒã³åºããã颿°(æšæºã©ã€ãã©ãªã®é¢æ°ãé€ã)ãã·ã°ãã«ãã³ãã©ãšåŒã³ãŸãã
=== raise 颿° ===
; åœ¢åŒ : <syntaxhighlight lang="c">
#include <signal.h>
int raise(int sig);
</syntaxhighlight>
; 説æ
: raise颿°ã¯ãã·ã°ãã«sigã«å¯ŸããŠåè¿°ã®åäœãè¡ããŸãã
: ã·ã°ãã«ã»ãã³ãã©ãŒãåŒã°ããå Žåãã·ã°ãã«ã»ãã³ãã©ãŒãçµäºãããŸã§ã raise颿°ã¯æ»ããŸããã
; æ»ãå€
: raise颿°ã¯ãæåããå Žåã¯ãŒããã倱æããå Žåã¯éãŒããè¿ããŸãã
<!--
== æŽå² ==
<code><limits.h></code> ã¯ãANSI C ãããããŸãããããK&R1ã§ã¯äžæã
-->
== èèš» ==
<references />
<!--
== é¢é£é
ç® ==
-->
== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
[[Category:Cèšèª|signal.h]] | null | 2021-08-28T07:20:32Z | [
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Cite book"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/signal.h |
32,347 | Cèšèª/æšæºã©ã€ãã©ãª/stdatomic.h | ããã㌠<stdatomic.h> ã§ã¯ãããã€ãã®ãã¯ããå®çŸ©ãããŠãããã¹ã¬ããéã§å
±æãããããŒã¿ã«å¯ŸããŠã¢ãããã¯æäœ(atomic operation; äžå¯åæäœ)ãè¡ãããã®ããã€ãã®åã颿°ã宣èšãããŠããŸãã
ãã¯ã __STDC_NO_ATOMICS__ ãå®çŸ©ããŠããå®è£
ã¯ããã®ããããŒãæäŸããå¿
èŠã¯ãªãããŸãããã®æ©èœããµããŒãããå¿
èŠããããŸããã
ã¢ãããã¯ã»ããã¯ããªãŒã»ãã¯ã( atomic lock-free macros )
ãããã¯,#if ååŠçãã£ã¬ã¯ãã£ãã§ã®äœ¿çšã«é©ãã宿°åŒã«å±éãã,察å¿ããååå(笊å·ä»ãããã³ç¬Šå·ãªãã®äž¡æ¹)ã®ããã¯ããªãŒç¹æ§ã瀺ããŸãã
ããã¯atomic_flagåã®ãªããžã§ã¯ãã®ã€ãã·ã£ã©ã€ã¶ã«å±éãããŸãã
ã¯ãåæåã§ããããã®åæè
ã¯ã¡ã¢ãªé åºå¶çŽãèå¥ããŸãã
ããã¯ããªãŒã®ããªããã£ãã»ã¢ãããã¯ã»ãã©ã°ãè¡šãæ§é äœã¿ã€ãã§ãããã¢ãããã¯ã»ãã©ã°ãããæŽæ°åã®ã¢ãããã¯ã»ã¢ããã°ãããã€ããããŸãã
以äžã®ã·ããã¹ã§ã¯
ã¢ãããã¯ãªæŽæ°åã®å ŽåãM 㯠C ã§ããã¢ãããã¯ãªãã€ã³ã¿åã®å ŽåãM 㯠ptrdiff_t ã§ãã
<stdatomic.h> ã§å®£èšããããžã§ããªãã¯é¢æ°ãããã¯ãã§ããããå€éšãªã³ã¯ã§å®£èšãããèå¥åã§ãããã¯äžå®( unspecified )ã§ãã
å®éã®é¢æ°ã«ã¢ã¯ã»ã¹ããããã«ãã¯ãå®çŸ©ãæå¶ããå Žåã å®éã®é¢æ°ã«ã¢ã¯ã»ã¹ããããã«ãã¯ãå®çŸ©ãæå¶ãããããããã°ã©ã ããžã§ããªãã¯é¢æ°ã®ååã§å€éšèå¥åãå®çŸ©ããå Žåããã®åäœã¯æªå®çŸ©( undefined )ã§ãã
ãã§ã³ã¹ãšåŒã°ããåæããªããã£ãã®1ã€ã§ãã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ããã㌠<stdatomic.h> ã§ã¯ãããã€ãã®ãã¯ããå®çŸ©ãããŠãããã¹ã¬ããéã§å
±æãããããŒã¿ã«å¯ŸããŠã¢ãããã¯æäœ(atomic operation; äžå¯åæäœ)ãè¡ãããã®ããã€ãã®åã颿°ã宣èšãããŠããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "ãã¯ã __STDC_NO_ATOMICS__ ãå®çŸ©ããŠããå®è£
ã¯ããã®ããããŒãæäŸããå¿
èŠã¯ãªãããŸãããã®æ©èœããµããŒãããå¿
èŠããããŸããã",
"title": ""
},
{
"paragraph_id": 2,
"tag": "p",
"text": "ã¢ãããã¯ã»ããã¯ããªãŒã»ãã¯ã( atomic lock-free macros )",
"title": "ãã¯ã"
},
{
"paragraph_id": 3,
"tag": "p",
"text": "ãããã¯,#if ååŠçãã£ã¬ã¯ãã£ãã§ã®äœ¿çšã«é©ãã宿°åŒã«å±éãã,察å¿ããååå(笊å·ä»ãããã³ç¬Šå·ãªãã®äž¡æ¹)ã®ããã¯ããªãŒç¹æ§ã瀺ããŸãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 4,
"tag": "p",
"text": "ããã¯atomic_flagåã®ãªããžã§ã¯ãã®ã€ãã·ã£ã©ã€ã¶ã«å±éãããŸãã",
"title": "ãã¯ã"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "ã¯ãåæåã§ããããã®åæè
ã¯ã¡ã¢ãªé åºå¶çŽãèå¥ããŸãã",
"title": "å"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "ããã¯ããªãŒã®ããªããã£ãã»ã¢ãããã¯ã»ãã©ã°ãè¡šãæ§é äœã¿ã€ãã§ãããã¢ãããã¯ã»ãã©ã°ãããæŽæ°åã®ã¢ãããã¯ã»ã¢ããã°ãããã€ããããŸãã",
"title": "å"
},
{
"paragraph_id": 7,
"tag": "p",
"text": "以äžã®ã·ããã¹ã§ã¯",
"title": "颿°ãšé¢æ°åãã¯ã"
},
{
"paragraph_id": 8,
"tag": "p",
"text": "ã¢ãããã¯ãªæŽæ°åã®å ŽåãM 㯠C ã§ããã¢ãããã¯ãªãã€ã³ã¿åã®å ŽåãM 㯠ptrdiff_t ã§ãã",
"title": "颿°ãšé¢æ°åãã¯ã"
},
{
"paragraph_id": 9,
"tag": "p",
"text": "<stdatomic.h> ã§å®£èšããããžã§ããªãã¯é¢æ°ãããã¯ãã§ããããå€éšãªã³ã¯ã§å®£èšãããèå¥åã§ãããã¯äžå®( unspecified )ã§ãã",
"title": "颿°ãšé¢æ°åãã¯ã"
},
{
"paragraph_id": 10,
"tag": "p",
"text": "å®éã®é¢æ°ã«ã¢ã¯ã»ã¹ããããã«ãã¯ãå®çŸ©ãæå¶ããå Žåã å®éã®é¢æ°ã«ã¢ã¯ã»ã¹ããããã«ãã¯ãå®çŸ©ãæå¶ãããããããã°ã©ã ããžã§ããªãã¯é¢æ°ã®ååã§å€éšèå¥åãå®çŸ©ããå Žåããã®åäœã¯æªå®çŸ©( undefined )ã§ãã",
"title": "颿°ãšé¢æ°åãã¯ã"
},
{
"paragraph_id": 11,
"tag": "p",
"text": "ãã§ã³ã¹ãšåŒã°ããåæããªããã£ãã®1ã€ã§ãã",
"title": "颿°ãšé¢æ°åãã¯ã"
}
]
| ããã㌠<stdatomic.h> ã§ã¯ãããã€ãã®ãã¯ããå®çŸ©ãããŠãããã¹ã¬ããéã§å
±æãããããŒã¿ã«å¯ŸããŠã¢ãããã¯æäœãè¡ãããã®ããã€ãã®åã颿°ã宣èšãããŠããŸãã ãã¯ã __STDC_NO_ATOMICS__ ãå®çŸ©ããŠããå®è£
ã¯ããã®ããããŒãæäŸããå¿
èŠã¯ãªãããŸãããã®æ©èœããµããŒãããå¿
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·äœçãªã³ãŒãã䌎ã£ããã¥ãŒããªã¢ã«ã®å¿
èŠæ§ãæãã -->
{{Nav}}
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1ã€ãŸãã¯è€æ°ã®ã¡ã¢ãªãã±ãŒã·ã§ã³ã«å¯Ÿããåææäœã¯ ã®åææäœã¯ãã¢ã¯ã€ãžã·ã§ã³æäœããªãªãŒã¹æäœãã¢ã¯ã€ãžã·ã§ã³ãšãªãªãŒã¹ã®äž¡æ¹ãã³ã³ã·ã¥ãŒã æäœã®ããããã§ããæ¶è²»ãããŸãã
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å ã㊠ããã«ãåææäœã§ã¯ãªããªã©ãã¯ã¹ããã¢ãããã¯æäœããã¢ãããã¯ãªèªã¿åã/倿Ž/æžãèŸŒã¿æäœããããŸããæäœããããŸããããããã«ã¯ç¹å¥ãªç¹åŸŽããããŸãã
www.DeepL.com/TranslatorïŒç¡æçïŒã§ç¿»èš³ããŸããã
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ããã㌠<code><stdatomic.h></code> ã§ã¯ãããã€ãã®ãã¯ããå®çŸ©ãããŠãããã¹ã¬ããéã§å
±æãããããŒã¿ã«å¯ŸããŠã¢ãããã¯æäœïŒ''atomic operation''; äžå¯åæäœïŒãè¡ãããã®ããã€ãã®åã颿°ã宣èšãããŠããŸã<ref name="jtc1-sc22-wg14-n2596-7.17">{{cite book
| url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2596.pdf
| title= N2596 working draft â December 11, 2020 ISO/IEC 9899:202x (E)
| page=249, §7.17 ''Atomics <stdatomic.h>''
| publisher = [http://www.open-std.org/jtc1/sc22/wg14/www/projects ISO/IEC JTC1/SC22/WG14]}}</ref>ã
ãã¯ã __STDC_NO_ATOMICS__ ãå®çŸ©ããŠããå®è£
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èŠã¯ãªãããŸãããã®æ©èœããµããŒãããå¿
èŠããããŸãã<ref name="jtc1-sc22-wg14-n2596-7.17"/>ã
== ãã¯ã ==
ã¢ãããã¯ã»ããã¯ããªãŒã»ãã¯ã( atomic lock-free macros )<ref name="jtc1-sc22-wg14-n2596-7.17"/>
:<syntaxhighlight lang="c">
ATOMIC_BOOL_LOCK_FREE
ATOMIC_CHAR_LOCK_FREE
ATOMIC_CHAR16_T_LOCK_FREE
ATOMIC_CHAR32_T_LOCK_FREE
ATOMIC_WCHAR_T_LOCK_FREE
ATOMIC_SHORT_LOCK_FREE
ATOMIC_INT_LOCK_FREE
ATOMIC_LONG_LOCK_FREE
ATOMIC_LLONG_LOCK_FREE
ATOMIC_POINTER_LOCK_FREE
</syntaxhighlight>
ãããã¯ïŒ#if ååŠçãã£ã¬ã¯ãã£ãã§ã®äœ¿çšã«é©ãã宿°åŒã«å±éããïŒå¯Ÿå¿ããåååïŒç¬Šå·ä»ãããã³ç¬Šå·ãªãã®äž¡æ¹ïŒã®ããã¯ããªãŒç¹æ§ã瀺ããŸãã
:<syntaxhighlight lang="c">
ATOMIC_FLAG_INIT
</syntaxhighlight>
ããã¯atomic_flagåã®ãªããžã§ã¯ãã®ã€ãã·ã£ã©ã€ã¶ã«å±éãããŸãã
== å ==
:<syntaxhighlight lang="c">
memory_order
</syntaxhighlight>
ã¯ãåæåã§ããããã®åæè
ã¯ã¡ã¢ãªé åºå¶çŽãèå¥ããŸãã
:<syntaxhighlight lang="c">
atomic_flag
</syntaxhighlight>
ããã¯ããªãŒã®ããªããã£ãã»ã¢ãããã¯ã»ãã©ã°ãè¡šãæ§é äœã¿ã€ãã§ãããã¢ãããã¯ã»ãã©ã°ãããæŽæ°åã®ã¢ãããã¯ã»ã¢ããã°ãããã€ããããŸãã
== 颿°ãšé¢æ°åãã¯ã ==
以äžã®ã·ããã¹ã§ã¯
* Aã¯ãåååãæããŸãã
* Cã¯ã察å¿ããéåååãæããŸãã
* M ã¯ãç®è¡æŒç®ã®ããäžæ¹ã®åŒæ°ã®åã衚ããŸãã
ã¢ãããã¯ãªæŽæ°åã®å ŽåãM 㯠C ã§ããã¢ãããã¯ãªãã€ã³ã¿åã®å ŽåãM 㯠ptrdiff_t ã§ãã
* _explicit ã§çµãããªã颿°ã¯ã察å¿ãã _explicit 颿°ãšåãã»ãã³ãã£ã¯ã¹ãæã¡ãmemory_order åŒæ°ã« memory_order_seq_cst ãæå®ããŸãã
<stdatomic.h> ã§å®£èšããããžã§ããªãã¯é¢æ°ãããã¯ãã§ããããå€éšãªã³ã¯ã§å®£èšãããèå¥åã§ãããã¯äžå®( '''unspecified''' )ã§ãã
å®éã®é¢æ°ã«ã¢ã¯ã»ã¹ããããã«ãã¯ãå®çŸ©ãæå¶ããå Žåã å®éã®é¢æ°ã«ã¢ã¯ã»ã¹ããããã«ãã¯ãå®çŸ©ãæå¶ãããããããã°ã©ã ããžã§ããªãã¯é¢æ°ã®ååã§å€éšèå¥åãå®çŸ©ããå Žåããã®åäœã¯æªå®çŸ©( '''undefined''' )ã§ãã
=== åæå ===
==== The ATOMIC_VAR_INIT ãã¯ã ====
;圢åŒ:<syntaxhighlight lang="c">
#include <stdatomic.h>
#define ATOMIC_VAR_INIT(C value)
</syntaxhighlight>
; 説æ
: ATOMIC_VAR_INIT ãã¯ãã¯ãvalue ãšåæåäºææ§ã®ããåã®ååãªããžã§ã¯ããåæåããã®ã«é©ããããŒã¯ã³ã·ãŒã±ã³ã¹ã«å±éãããŸãã
: æç€ºçã«åæåãããŠããªãèªåèšæ¶æéãæã€ååãªããžã§ã¯ãã¯ãæåã¯äžç¢ºå®ãªç¶æ
ã§ãã
: ããããéçãŸãã¯ã¹ã¬ããããŒã«ã«ãªèšæ¶æéãæã€ãªããžã§ã¯ãã®ããã©ã«ãïŒãŒãïŒåæåã¯ãæå¹ãªç¶æ
ãçæããããšãä¿èšŒãããŠããŸãã
;äŸ:<syntaxhighlight lang="c">
atomic_int guide = ATOMIC_VAR_INIT(42);
</syntaxhighlight>
==== atomic_init ç·ç§°é¢æ° ====
;圢åŒ:<syntaxhighlight lang="c">
#include <stdatomic.h>
void atomic_init(volatile A *obj, C value);
</syntaxhighlight>
; 説æ
: atomic_initç·ç§°é¢æ°ã¯ãobjãæãã¢ãããã¯ã»ãªããžã§ã¯ããvalueãšããå€ã«åæåãããšãšãã«ãå®è£
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ãåæåããŸãã
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: abort颿°ãraise颿°ã®åŒã³åºã以å€ã§ã·ã°ãã«ãçºçããå Žåãã·ã°ãã«ãã³ãã©ãatomic_initãžã§ããªãã¯é¢æ°ãåŒã³åºããå Žåã®åäœã¯æªå®çŸ©ã§ãã
; æ»ãå€
: atomic_initç·ç§°é¢æ°ã¯ãå€ãè¿ããŸããã
=== é åºãšäžè²«æ§ ===
<!-- 7.17.3 Order and consistency
åæåã®memory_orderã¯ã5.1.2.4ã§å®çŸ©ããã詳现ãªéåžžã®ïŒéã¢ãããã¯ãªïŒã¡ã¢ãªåææäœãæå®ããæäœã®é åºä»ããæäŸããããšãã§ããããã®åæå 宿°ã¯ä»¥äžã®ãšããã§ãã
-->
=== ãã§ã³ã¹ ===
ãã§ã³ã¹ãšåŒã°ããåæããªããã£ãã®ïŒã€ã§ãã
<!--7.17.4 Fences
ãã®ç¯ã§ã¯ããã§ã³ã¹ãšåŒã°ããåæããªããã£ãã玹ä»ããŸãããã§ã³ã¹ã«ã¯ã¢ã¯ã¯ã€ã¢ã»ãã³ãã£ã¯ã¹ããªãªãŒã¹ã»ãã³ãã£ã¯ã¹ããŸãã¯ãã®äž¡æ¹ããããŸãã
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-->
=== ããã¯ããªãŒã»ãããã㣠===
<!--7.17.5 Lock-free property -->
=== ã¢ãããã¯æŽæ°å ===
<!--7.17.6 Atomic integer types -->
=== ã¢ãããã¯åã«ãããæäœ ===
<!--7.17.7 Operations on atomic types -->
=== ã¢ãããã¯ãã©ãã°åãšãã®æäœ ===
<!-- 7.17.8 Atomic flag type and operations -->
----
; Library summary
:<syntaxhighlight lang="c">
#define ATOMIC_VAR_INIT(C value)
void atomic_init(volatile A *obj, C value);
type kill_dependency(type y);
void atomic_thread_fence(memory_order order);
void atomic_signal_fence(memory_order order);
_Bool atomic_is_lock_free(const volatile A *obj);
void atomic_store(volatile A *object, C desired);
void atomic_store_explicit(volatile A *object, C desired, memory_order order);
C atomic_load(const volatile A *object);
C atomic_load_explicit(const volatile A *object, memory_order order);
C atomic_exchange(volatile A *object, C desired);
C atomic_exchange_explicit(volatile A *object, C desired, memory_order order);
_Bool atomic_compare_exchange_strong(volatile A *object, C *expected, C desired);
_Bool atomic_compare_exchange_strong_explicit(volatile A *object, C *expected,
C desired, memory_order success, memory_order failure);
_Bool atomic_compare_exchange_weak(volatile A *object, C *expected, C desired);
_Bool atomic_compare_exchange_weak_explicit(volatile A *object, C *expected, C desired, memory_order success, memory_order failure);
C atomic_fetch_key(volatile A *object, M operand);
C atomic_fetch_key_explicit(volatile A *object, M operand, memory_order order);
_Bool atomic_flag_test_and_set(volatile atomic_flag *object);
_Bool atomic_flag_test_and_set_explicit(volatile atomic_flag *object, memory_order order);
void atomic_flag_clear(volatile atomic_flag *object);
void atomic_flag_clear_explicit(volatile atomic_flag *object, memory_order order);
</syntaxhighlight>
== åèæç® ==
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| title = N2176 C17 ballot ISO/IEC 9899:2017
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| title = N2176 C17 ballot ISO/IEC 9899:2017
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ããã㌠<code><stdbool.h></code> ã¯ãISO/IEC 9899:1999ïŒéç§°ïŒC99ïŒã§è¿œå ãããŸããã
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(ãããã®åã®ããã€ãã¯åãåã衚ãããšããããŸã)
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æ©èœãã¹ããã¯ã __STDC_VERSION_STDINT_H__ ã¯ã yyyymmL ãšããããŒã¯ã³ã«å±éãããŸãã
== æŽæ°å ==
æåã®uã®æç¡ã ããç°ãªãååãå®çŸ©ãããŠããå Žåããããã¯Â§6.2.5 ''Types'' ã«èšèŒãããŠããããã«å¯Ÿå¿ãã笊å·ä»ãåã³ç¬Šå·ãªãã®åã衚ããã®ãšããã
§6.2.5 ''Types'' ã«èšè¿°ãããŠããããã«ã察å¿ãã笊å·ä»ãããã³ç¬Šå·ãªãã®åã瀺ãã
ãããã®å¯Ÿå¿ããåã®äžæ¹ãæäŸããå®è£
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é ã«ãŒããæããªã笊å·ãªãã®10鲿޿°ã衚ãïŒäŸãã°ã8ã24ã§ããã04ã048ã§ã¯ãªãïŒã
=== æ£ç¢ºãªå¹
ã®æŽæ°å ===
; åå int''N''_t
: å¹
Nã§ããã£ã³ã°ããããæããªã笊å·ä»ãæŽæ°åãæå®ããŸãã
: ãããã£ãŠãint8_t ã¯æ£ç¢ºã« 8 ãããã®å¹
ãæã€ãã®ãããªç¬Šå·ä»ãæŽæ°åã衚ããŸãã
; åå uint''N''_t
: å¹
N ã§ããã£ã³ã°ããããæããªã笊å·ãªãæŽæ°åãæå®ããŸãã
: ãããã£ãŠãuint24_tã¯ãæ£ç¢ºã«24ãããã®å¹
ãæã€ç¬Šå·ãªãæŽæ°åã瀺ãã
ãããã®åã¯ãªãã·ã§ã³ã§ãããã ãã8ã16ã32ã64ãããã®å¹
ãæã¡ãããã£ã³ã°ããããæããªãæŽæ°åãæäŸããå Žåã¯ã察å¿ããtypedefåãå®çŸ©ããªããã°ãªããªãã
=== æå°å¹
ã®æŽæ°å ===
; åå int_leastN_t
: å°ãªããšãNåã®å¹
ãæã€ç¬Šå·ä»ãæŽæ°åãæå®ããããããå°ãããµã€ãºã®ç¬Šå·ä»ãæŽæ°åã¯å°ãªããšãæå®ãããå¹
ãæããªãããã«ããŸãã
: ãããã£ãŠãint_least32_tã¯ãå°ãªããšã32ãããã®å¹
ãæã€ç¬Šå·ä»ãæŽæ°åã瀺ãã
; åå uint_leastN_t
: å°ãªããšãNåã®å¹
ãæã€ç¬Šå·ãªãæŽæ°åãæå®ããããããå°ãããµã€ãºã®ç¬Šå·ãªãæŽæ°åãå°ãªããšãæå®ãããå¹
ãæããªãããã«ããã
: ãããã£ãŠãuint_least16_tã¯ãå°ãªããšã16ãããã®å¹
ãæã€ç¬Šå·ãªãæŽæ°åã瀺ãã
; 以äžã®åããå¿
é ("required")ãã§ãã
: <syntaxhighlight lang=c>
int_least8_t
int_least16_t
int_least32_t
int_least64_t
uint_least8_t
uint_least16_t
uint_least32_t
uint_least64_t
</syntaxhighlight>
: ãã®ãã©ãŒã ã®ä»ã®ã¿ã€ãã¯ãã¹ãŠãªãã·ã§ã³ã§ãã
=== æéã®æå°å¹
ã®æŽæ°å ===
以äžã®ååã¯ãå°ãªããšãæå®ãããå¹
ãæã€ãã¹ãŠã®æŽæ°åã®äžã§ãéåžžãæãé«éã«æŒç®ã§ããæŽæ°åãæå®ããŠããŸãã
; ååint_fastN_t
: å°ãªããšãNåã®å¹
ãæã€æéã®ç¬Šå·ä»ãæŽæ°åãæå®ããŸãã
; ååuint_fastN_t
: å°ãªããšãNåã®å¹
ãæã€æéã®ç¬Šå·ãªãæŽæ°åãæå®ããŸãã
; 以äžã®åããå¿
é ("required")ãã§ãã
: <syntaxhighlight lang=c>
int_fast8_t
int_fast16_t
int_fast32_t
int_fast64_t
uint_fast8_t
uint_fast16_t
uint_fast32_t
uint_fast64_t
</syntaxhighlight>
: ãã®ãã©ãŒã ã®ä»ã®ã¿ã€ãã¯ãã¹ãŠãªãã·ã§ã³ã§ãã
=== ãªããžã§ã¯ããã€ã³ã¿ãä¿æã§ããæŽæ°å ===
; intptr_t
: 笊å·ä»ãæŽæ°åã§ãvoid ãžã®æå¹ãªãã€ã³ã¿ããã®åã«å€æãããåã³ void ãžã®ãã€ã³ã¿ã«å€æããããã®çµæãå
ã®ãã€ã³ã¿ãšåãã«ãªããšããç¹æ§ãæã€ã
; uintptr_t
: 笊å·ãªãæŽæ°åã§ãvoid ãžã®æå¹ãªãã€ã³ã¿ããã®åã«å€æãããåã³ void ãžã®ãã€ã³ã¿ã«å€æããããã®çµæãå
ã®ãã€ã³ã¿ãšåãã«ãªããšããç¹æ§ãæã€ã
:: ãããã®åã¯ãªãã·ã§ã³ã§ãã
=== æå€§å¹
ã®æŽæ°å ===
; intmax_t
: ä»»æã®ç¬Šå·ä»ãæŽæ°åã®ä»»æã®å€ã衚ãããšãã§ãã笊å·ä»ãæŽæ°åãæå®ããŸãã
; uintmax_t
: ä»»æã®ç¬Šå·ä»ãæŽæ°åã®ä»»æã®å€ã衚ãããšãã§ãã笊å·ãªãæŽæ°åãæå®ããŸãã
:: ãããã®åã¯ãå¿
é ("required")ãã§ãã
== æå®å¹
ã®æŽæ°åã®å¹
==
以äžã®ãªããžã§ã¯ãåãã¯ãã¯ã<stdint.h>ã§å®£èšãããåã®å¹
ãæå®ããŸããåãã¯ã ååã¯[[#æŽæ°å]]ãšåæ§ã®ååã«å¯Ÿå¿ããŠããŸãã
å®çŸ©ããããã¯ãã®åã€ã³ã¹ã¿ã³ã¹ã¯ã#if ååŠçãã£ã¬ã¯ãã£ãã§äœ¿çšããã®ã«é©ãã宿°åŒã§çœ®ãæããããªããã°ãªããªãããã®å®è£
å®çŸ©å€ã¯ã以äžã«ç€ºãå€ãšåç以äžã§ãªããã°ãªããªãã
ãã ããæ£ç¢ºã«æå®ãããå€ã§ãããšè¿°ã¹ãããŠããå Žåãé€ããå®è£
ã§ã¯ãå®éã«æäŸãã ååã«å¯Ÿå¿ãããã¯ãã®ã¿ãå®çŸ©ããªããã°ãªããªãã
=== æ£ç¢ºãªå¹
ã®æŽæ°åã®å¹
===
; INTN_WIDTH : æ£ç¢ºã«N
; UINTN_WIDTH : æ£ç¢ºã«N
=== æå°å¹
ã®æŽæ°åã®å¹
===
; INT_LEASTN_WIDTH : æ£ç¢ºã«UINT_LEASTN_WIDTH
; UINT_LEASTN_WIDTH : N
=== æå°å¹
ã®æéæŽæ°åã®å¹
===
; INT_FASTN_WIDTH : æ£ç¢ºã«ã¯UINT_FASTN_WIDTH
; UINT_FASTN_WIDTH : N
=== ãªããžã§ã¯ããã€ã³ã¿ãä¿æã§ããæŽæ°åã®å¹
===
; INTPTR_WIDTH : æ£ç¢ºã«ã¯UINTPTR_WIDTH
; UINTPTR_WIDTH ; 16
=== æå€§ã®å¹
ãæã€æŽæ°åã®å¹
===
; INTMAX_WIDTH : æ£ç¢ºã«ã¯UINTMAX_WIDTH
; UINTMAX_WIDTH : 64
==ãã®ä»ã®æŽæ°åã®å¹
==
; PTRDIFF_WIDTH
: ptrdiff_t ã®å¹
; SIG_ATOMIC_WIDTH
: sig_atomic_t ã®å¹
; SIZE_WIDTH
: size_t ã®å¹
; WCHAR_WIDTH 8
: wchar_t ã®å¹
; WINT_WIDTH
: wint_t ã®å¹
== æŽæ°å®æ°çšãã¯ã ==
=== æå°å¹
ã®æŽæ°å®æ°çšãã¯ã ===
;ãã¯ãINTN_C(value):int_least''N''_tåã«å¯Ÿå¿ããæŽæ°å®æ°åŒã«å±éãããŸãã
;ãã¯ãUINTN_C(value):uint_least''N''_tåã«å¯Ÿå¿ããæŽæ°ã®å®æ°è¡šçŸã«å±éãããŸãã
äŸãã°ãuint_least64_tãunsigned long long intåã®ååã§ããå ŽåãUINT64_C(0x123)ã¯æŽæ°å®æ°0x123ULLã«å±éãããŸãã
=== æå€§å¹
ã®æŽæ°å®æ°ã®ãã¯ã ===
; INTMAX_C(å€)
: åŒæ°ã§æå®ãããå€ãšintmax_tåãæã€æŽæ°å®æ°åŒã«å±éããŸãã
; UINTMAX_C(å€)
: 次ã®ãã¯ãã¯ãåŒæ°ã§æå®ãããå€ãšuintmax_tåã®æŽæ°å®æ°åŒã«å±éããŸãã
== æŽæ°åã®æå€§å€ãšæå°å€ ==
å¹
ãè¡šãæ¥å°ŸèŸ_WIDTHãæã€ãã¯ããååšãããã¹ãŠã®æŽæ°åã«å¯ŸããŠãæ¥å°ŸèŸ_MAXãæã€æå€§å€ãã¯ããšããã¹ãŠã®ç¬Šå·åã«å¯ŸããŠæ¥å°ŸèŸ_MINãæã€æå°å€ãã¯ãã¯ã以äžã®ããã«å®çŸ©ãããŸãã
§ 5.2.4.2. ''Characteristics of integer types'' <limits.h> ã§å®çŸ©ãããŠããŸãã笊å·ä»ãã笊å·ãªããã®æå®ããªããå®è£
äžã笊å·ãªãã®åãšãªã£ãŠããå Žåã¯ãæ¥å°ŸèŸ_MIN ã®æå°ãã¯ããšã察å¿ããåã®å€ 0 ãå®çŸ©ãããã
==èèš»==
<references />
== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
[[Category:Cèšèª|stdint.h]] | null | 2021-09-02T16:51:13Z | [
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Cite book"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/stdint.h |
32,351 | Cèšèª/æšæºã©ã€ãã©ãª/stdnoreturn.h | ããã㌠<stdnoreturn.h> ã§ã¯1ã€ã®ãã¯ããå®çŸ©ãããŠããŸãã
<stdnoreturn.h>ã¯ãC++11ãšçµã¿åãããŠäœ¿çšããããšã¯ã§ããŸããã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ããã㌠<stdnoreturn.h> ã§ã¯1ã€ã®ãã¯ããå®çŸ©ãããŠããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "<stdnoreturn.h>ã¯ãC++11ãšçµã¿åãããŠäœ¿çšããããšã¯ã§ããŸããã",
"title": "泚"
}
]
| ããã㌠<stdnoreturn.h> ã§ã¯1ã€ã®ãã¯ããå®çŸ©ãããŠããŸãã | {{Nav}}
ããã㌠<stdnoreturn.h> ã§ã¯1ã€ã®ãã¯ããå®çŸ©ãããŠããŸã<ref name="jtc1-sc22-wg14-n2596-7.22">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2596.pdf
| title = N2596 working draft â December 11, 2020 ISO/IEC 9899:202x (E)
| page = 317, §7.23 ''_Noreturn <stdnoreturn.h>''
| publisher = [http://www.open-std.org/jtc1/sc22/wg14/www/projects ISO/IEC JTC1/SC22/WG14]}}</ref>ã
== ãã¯ã ==
; noreturn : ããŒã¯ãŒã '''_Noreturn''' ã«å±éãããŸãã
== 泚 ==
<stdnoreturn.h>ã¯ãC++11ãšçµã¿åãããŠäœ¿çšããããšã¯ã§ããŸããã
== èèš» ==
<references />
== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
[[Category:Cèšèª|stdnoreturn.h]] | null | 2021-08-28T07:13:36Z | [
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Cite book"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/stdnoreturn.h |
32,352 | Cèšèª/æšæºã©ã€ãã©ãª/time.h | ããã㌠<time.h> ã§ã¯ãããã€ãã®ãã¯ããå®çŸ©ãããŠãããæéãæäœããããã®åã颿°ã宣èšãããŠããŸãã
å€ãã®é¢æ°ã¯ã(ã°ã¬ãŽãªãªæŠã«åºã¥ã)çŸåšã®æ¥ä»ãšæå»ã衚ãã«ã¬ã³ããŒã¿ã€ã ãæ±ããŸããããã€ãã®é¢æ°ã¯ãç¹å®ã®ã¿ã€ã ãŸãŒã³ã§è¡šçŸãããã«ã¬ã³ããŒã¿ã€ã ã§ããããŒã«ã«ã¿ã€ã ããããŒã«ã«ã¿ã€ã ãæ±ºå®ããã¢ã«ãŽãªãºã ã®äžæçãªå€æŽã§ãã倿éãæ±ããŸããããŒã«ã«ã¿ã€ã ãŸãŒã³ãšå€æéã¯å®è£
ã§å®çŸ©ãããŸãã
C2xã§ã¯ãæ©èœãã¹ããã¯ã __STDC_VERSION_TIME_H__ ã¯ã yyyymmL ãšããããŒã¯ã³ã«å±éãããŸãããã®ä»ã®ãã¯ãã¯NULLãå®çŸ©ãããŠããŸã(§7.19 Common definitions <stddef.h>ã«èšèŒ)ã
ããã㌠<time.h> ã§å®çŸ©ãããŠãããã¯ããšåãšã宣èšãããŠãã颿°ã
åŠçç³»ã __STDC_LIB_EXT1__ ãå®çŸ©ãããŠãŒã¶ã __STDC_WANT_LIB_EXT1__ ã 1 ã«åæ¢ããå Žåã以äžã®å¢çãã§ãã¯ã€ã³ã¿ãŒãã§ãŒã¹ãæå¹ã«ãªããŸãã
POSIX(IEEE Std 1003.1)ã§ã¯ãtime.hã«2ã€ã®é¢æ°ã远å ããŠããŸããasctime_rãšctime_rã§ãã ãããã¯asctimeãšctimeã®ãªãšã³ãã©ã³ãç( reentrant version )ã§ããã©ã¡ãã®é¢æ°ããåŒã³åºãåŽããããç¬éã®ããã¹ã衚çŸãæ ŒçŽãããããã¡ãæäŸããããšãå¿
èŠãšããŸãã 以äžã®ãµã³ãã«ã§ã¯ããªãšã³ãã©ã³ãçã®localtimeãšasctimeã®äœ¿ç𿹿³ã瀺ããŠããŸãã
ãããã®é¢æ°ã¯C++ã®æšæºã«ã¯ãªãã®ã§ãC++ã®åå空éstdã«ã¯å±ããŠããŸããã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "ããã㌠<time.h> ã§ã¯ãããã€ãã®ãã¯ããå®çŸ©ãããŠãããæéãæäœããããã®åã颿°ã宣èšãããŠããŸãã",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "å€ãã®é¢æ°ã¯ã(ã°ã¬ãŽãªãªæŠã«åºã¥ã)çŸåšã®æ¥ä»ãšæå»ã衚ãã«ã¬ã³ããŒã¿ã€ã ãæ±ããŸããããã€ãã®é¢æ°ã¯ãç¹å®ã®ã¿ã€ã ãŸãŒã³ã§è¡šçŸãããã«ã¬ã³ããŒã¿ã€ã ã§ããããŒã«ã«ã¿ã€ã ããããŒã«ã«ã¿ã€ã ãæ±ºå®ããã¢ã«ãŽãªãºã ã®äžæçãªå€æŽã§ãã倿éãæ±ããŸããããŒã«ã«ã¿ã€ã ãŸãŒã³ãšå€æéã¯å®è£
ã§å®çŸ©ãããŸãã",
"title": ""
},
{
"paragraph_id": 2,
"tag": "p",
"text": "C2xã§ã¯ãæ©èœãã¹ããã¯ã __STDC_VERSION_TIME_H__ ã¯ã yyyymmL ãšããããŒã¯ã³ã«å±éãããŸãããã®ä»ã®ãã¯ãã¯NULLãå®çŸ©ãããŠããŸã(§7.19 Common definitions <stddef.h>ã«èšèŒ)ã",
"title": ""
},
{
"paragraph_id": 3,
"tag": "p",
"text": "ããã㌠<time.h> ã§å®çŸ©ãããŠãããã¯ããšåãšã宣èšãããŠãã颿°ã",
"title": ""
},
{
"paragraph_id": 4,
"tag": "p",
"text": "åŠçç³»ã __STDC_LIB_EXT1__ ãå®çŸ©ãããŠãŒã¶ã __STDC_WANT_LIB_EXT1__ ã 1 ã«åæ¢ããå Žåã以äžã®å¢çãã§ãã¯ã€ã³ã¿ãŒãã§ãŒã¹ãæå¹ã«ãªããŸãã",
"title": "å¢çãã§ãã¯ã€ã³ã¿ãŒãã§ãŒã¹"
},
{
"paragraph_id": 5,
"tag": "p",
"text": "POSIX(IEEE Std 1003.1)ã§ã¯ãtime.hã«2ã€ã®é¢æ°ã远å ããŠããŸããasctime_rãšctime_rã§ãã ãããã¯asctimeãšctimeã®ãªãšã³ãã©ã³ãç( reentrant version )ã§ããã©ã¡ãã®é¢æ°ããåŒã³åºãåŽããããç¬éã®ããã¹ã衚çŸãæ ŒçŽãããããã¡ãæäŸããããšãå¿
èŠãšããŸãã 以äžã®ãµã³ãã«ã§ã¯ããªãšã³ãã©ã³ãçã®localtimeãšasctimeã®äœ¿ç𿹿³ã瀺ããŠããŸãã",
"title": "å¢çãã§ãã¯ã€ã³ã¿ãŒãã§ãŒã¹"
},
{
"paragraph_id": 6,
"tag": "p",
"text": "ãããã®é¢æ°ã¯C++ã®æšæºã«ã¯ãªãã®ã§ãC++ã®åå空éstdã«ã¯å±ããŠããŸããã",
"title": "å¢çãã§ãã¯ã€ã³ã¿ãŒãã§ãŒã¹"
}
]
| ããã㌠<time.h> ã§ã¯ãããã€ãã®ãã¯ããå®çŸ©ãããŠãããæéãæäœããããã®åã颿°ã宣èšãããŠããŸãã å€ãã®é¢æ°ã¯ãïŒã°ã¬ãŽãªãªæŠã«åºã¥ãïŒçŸåšã®æ¥ä»ãšæå»ã衚ãã«ã¬ã³ããŒã¿ã€ã ãæ±ããŸããããã€ãã®é¢æ°ã¯ãç¹å®ã®ã¿ã€ã ãŸãŒã³ã§è¡šçŸãããã«ã¬ã³ããŒã¿ã€ã ã§ããããŒã«ã«ã¿ã€ã ããããŒã«ã«ã¿ã€ã ãæ±ºå®ããã¢ã«ãŽãªãºã ã®äžæçãªå€æŽã§ãã倿éãæ±ããŸããããŒã«ã«ã¿ã€ã ãŸãŒã³ãšå€æéã¯å®è£
ã§å®çŸ©ãããŸãã C2xã§ã¯ãæ©èœãã¹ããã¯ã __STDC_VERSION_TIME_H__ ã¯ã yyyymmL ãšããããŒã¯ã³ã«å±éãããŸãããã®ä»ã®ãã¯ãã¯NULLãå®çŸ©ãããŠããŸãã ããã㌠<time.h> ã§å®çŸ©ãããŠãããã¯ããšåãšã宣èšãããŠãã颿°ã | {{ã¹ã¿ã}}
{{Nav}}
ããã㌠<time.h> ã§ã¯ãããã€ãã®ãã¯ããå®çŸ©ãããŠãããæéãæäœããããã®åã颿°ã宣èšãããŠããŸã<ref name="jtc1-sc22-wg14-n2176-7.27">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 284, §7.27 ''Date and time <time.h>''
| publisher = [http://www.open-std.org/jtc1/sc22/wg14/www/projects ISO/IEC JTC1/SC22/WG14]}}</ref>ã
å€ãã®é¢æ°ã¯ãïŒã°ã¬ãŽãªãªæŠã«åºã¥ãïŒçŸåšã®æ¥ä»ãšæå»ã衚ãã«ã¬ã³ããŒã¿ã€ã ãæ±ããŸããããã€ãã®é¢æ°ã¯ãç¹å®ã®ã¿ã€ã ãŸãŒã³ã§è¡šçŸãããã«ã¬ã³ããŒã¿ã€ã ã§ããããŒã«ã«ã¿ã€ã ããããŒã«ã«ã¿ã€ã ãæ±ºå®ããã¢ã«ãŽãªãºã ã®äžæçãªå€æŽã§ãã倿éãæ±ããŸããããŒã«ã«ã¿ã€ã ãŸãŒã³ãšå€æéã¯å®è£
ã§å®çŸ©ãããŸãã
C2xã§ã¯ãæ©èœãã¹ããã¯ã __STDC_VERSION_TIME_H__ ã¯ã yyyymmL ãšããããŒã¯ã³ã«å±éãããŸãããã®ä»ã®ãã¯ãã¯NULLãå®çŸ©ãããŠããŸãïŒÂ§7.19 Common definitions <stddef.h>ã«èšèŒïŒ<ref name="jtc1-sc22-wg14-n2596-7.27">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2596 working draft â December 11, 2020 ISO/IEC 9899:202x (E)
| page = 284, §7.27 ''Date and time <time.h>''
| publisher = [http://www.open-std.org/jtc1/sc22/wg14/www/projects ISO/IEC JTC1/SC22/WG14]}}</ref>ã
__TOC__
ããã㌠<time.h> ã§å®çŸ©ãããŠãããã¯ããšåãšã宣èšãããŠãã颿°<ref name="jtc1-sc22-wg14-n2596-b.26">{{cite book
| url = http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archiveurl = https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
| archivedate = 2018-12-30
| title = N2176 C17 ballot ISO/IEC 9899:2017
| page = 360, §B.26 ''Date and time <time.h>''
| publisher = [http://www.open-std.org/jtc1/sc22/wg14/www/projects ISO/IEC JTC1/SC22/WG14]}}</ref>ã
=== ãã¯ã ===
; NULL
; CLOCKS_PER_SEC
; TIME_UTC
=== å ===
; size_t
; clock_t
; time_t
; struct timespec
; struct tm
=== 颿° ===
;å¿
é : <syntaxhighlight lang=c>
clock_t clock(void);
double difftime(time_t time1, time_t time0);
time_t mktime(struct tm *timeptr);
time_t time(time_t *timer);
int timespec_get(struct timespec *ts, int base); // struct ãæããŠãã
char *asctime(const struct tm *timeptr);
char *ctime(const time_t *timer);
struct tm *gmtime(const time_t *timer);
struct tm *localtime(const time_t *timer);
size_t strftime(char * restrict s, size_t maxsize, const char * restrict format, const struct tm * restrict timeptr);
</syntaxhighlight>
== å¢çãã§ãã¯ã€ã³ã¿ãŒãã§ãŒã¹ ==
åŠçç³»ã __STDC_LIB_EXT1__ ãå®çŸ©ãããŠãŒã¶ã __STDC_WANT_LIB_EXT1__ ã 1 ã«åæ¢ããå Žåã以äžã®å¢çãã§ãã¯ã€ã³ã¿ãŒãã§ãŒã¹ãæå¹ã«ãªããŸãã
=== ãã¯ã ===
; __STDC_LIB_EXT1__
; __STDC_WANT_LIB_EXT1__
=== å ===
; errno_t
; rsize_t
=== 颿° ===
;å¢çãã§ãã¯ã€ã³ã¿ãŒãã§ãŒã¹: <syntaxhighlight lang=c>
errno_t asctime_s(char *s, rsize_t maxsize, const struct tm *timeptr);
errno_t ctime_s(char *s, rsize_t maxsize, const time_t *timer);
struct tm *gmtime_s(const time_t * restrict timer, struct tm * restrict result);
struct tm *localtime_s(const time_t * restrict timer, struct tm * restrict result);
</syntaxhighlight>
=== Unixã®æ¡åŒµæ©èœ ===
[[W:POSIX|POSIX]]ïŒIEEE Std 1003.1ïŒã§ã¯ã<code>time.h</code>ã«2ã€ã®é¢æ°ã远å ããŠããŸãã<code>''asctime_r''</code><ref>[http://www.opengroup.org/onlinepubs/9699919799/functions/asctime.html asctime]. The Open Group Base Specifications Issue 7, IEEE Std 1003.1-2008.</ref>ãš<code>''ctime_r''</code>ã§ãã<ref>[http://www.opengroup.org/onlinepubs/9699919799/functions/ctime.html ctime]. The Open Group Base Specifications Issue 7, IEEE Std 1003.1-2008.</ref> ãããã¯<code>asctime</code>ãš<code>ctime</code>ã®ãªãšã³ãã©ã³ãç( reentrant version )ã§ããã©ã¡ãã®é¢æ°ããåŒã³åºãåŽããããç¬éã®ããã¹ã衚çŸãæ ŒçŽãããããã¡ãæäŸããããšãå¿
èŠãšããŸãã
以äžã®ãµã³ãã«ã§ã¯ããªãšã³ãã©ã³ãçã®localtimeãšasctimeã®äœ¿ç𿹿³ã瀺ããŠããŸãã
<syntaxhighlight lang="c">
#define _POSIX_C_SOURCE 200112L
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main(void) {
time_t rawtime;
struct tm *timeinfo;
struct tm timeinfoBuffer;
char *result;
time(&rawtime);
/* call localtime */
timeinfo = localtime_r(&rawtime, &timeinfoBuffer);
/* allocate memory for the result of asctime call*/
result = malloc(26 * sizeof(char));
/* call reentrant asctime function */
result = asctime_r(timeinfo, result);
printf("The current date/time is: %s", result);
/* free allocated memory */
free(result);
return 0;
}
</syntaxhighlight>
ãããã®é¢æ°ã¯C++ã®æšæºã«ã¯ãªãã®ã§ãC++ã®åå空é<code>std</code>ã«ã¯å±ããŠããŸããã
==èèš»==
<references />
== åèæç® ==
* åœéæšæºåæ©æ§/åœé黿°æšæºäŒè° [https://www.iso.org/obp/ui/#iso:std:iso-iec:9899:ed-4:v1:en ISO/IEC 9899:2018(en) Information technology â Programming languages â C](2018-07-05)
[[Category:Cèšèª|time.h]] | null | 2021-08-28T07:35:00Z | [
"ãã³ãã¬ãŒã:ã¹ã¿ã",
"ãã³ãã¬ãŒã:Nav",
"ãã³ãã¬ãŒã:Cite book"
]
| https://ja.wikibooks.org/wiki/C%E8%A8%80%E8%AA%9E/%E6%A8%99%E6%BA%96%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA/time.h |
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{
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"text": "Microsoft PowerPointã«ã¯æ¿å
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"paragraph_id": 2,
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"text": "æ¿å
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"title": "æäœ"
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=== ããã¹ãããã¯ã¹ ===
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=== å³åœ¢ ===
{{See|Microsoft PowerPoint/å³åœ¢}}
=== 衚 ===
{{See|Microsoft PowerPoint/衚}}
=== ã°ã©ã ===
{{See|Microsoft PowerPoint/ã°ã©ã}}
[[ã«ããŽãª:Microsoft PowerPoint]] | null | 2022-11-20T05:59:43Z | [
"ãã³ãã¬ãŒã:See"
]
| https://ja.wikibooks.org/wiki/Microsoft_PowerPoint/%E6%8C%BF%E5%85%A5 |
32,356 | åäºèšŽèšæ³ç¬¬99æ¡ã®2 | æ³åŠ>ã³ã³ã¡ã³ã¿ãŒã«>ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš
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{
"paragraph_id": 0,
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{
"paragraph_id": 2,
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"text": "2011å¹Žæ¹æ£ã«ããæ°èšã",
"title": "解説"
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[[category:åäºèšŽèšæ³ 2011å¹Žæ¹æ£|099ã®2]] | null | 2022-11-05T02:33:44Z | [
"ãã³ãã¬ãŒã:ååŸ",
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/%E5%88%91%E4%BA%8B%E8%A8%B4%E8%A8%9F%E6%B3%95%E7%AC%AC99%E6%9D%A1%E3%81%AE2 |
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{
"paragraph_id": 2,
"tag": "p",
"text": "2011å¹Žæ¹æ£ã«ããæ°èšã",
"title": "解説"
}
]
| æ³åŠïŒã³ã³ã¡ã³ã¿ãŒã«ïŒã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš | [[æ³åŠ]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³]]=[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš]]
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[[category:åäºèšŽèšæ³|110ã®2]]
[[category:åäºèšŽèšæ³ 2011å¹Žæ¹æ£|110ã®2]] | null | 2022-12-14T20:29:51Z | [
"ãã³ãã¬ãŒã:ååŸ",
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/%E5%88%91%E4%BA%8B%E8%A8%B4%E8%A8%9F%E6%B3%95%E7%AC%AC110%E6%9D%A1%E3%81%AE2 |
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{
"paragraph_id": 0,
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"title": ""
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| æ³åŠïŒã³ã³ã¡ã³ã¿ãŒã«ïŒã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš | [[æ³åŠ]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³]]=[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš]]
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[[category:åäºèšŽèšæ³ 2011å¹Žæ¹æ£|111ã®2]] | null | 2021-08-20T02:23:41Z | [
"ãã³ãã¬ãŒã:Stub",
"ãã³ãã¬ãŒã:ååŸ"
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| https://ja.wikibooks.org/wiki/%E5%88%91%E4%BA%8B%E8%A8%B4%E8%A8%9F%E6%B3%95%E7%AC%AC111%E6%9D%A1%E3%81%AE2 |
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2011å¹Žæ¹æ£ã«ãŠæ°èšã | [
{
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"text": "æ³åŠ>ã³ã³ã¡ã³ã¿ãŒã«>ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš",
"title": ""
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"text": "(äžæ£ã«äœãããé»ç£çèšé²çã®åŠå)",
"title": "æ¡æ"
},
{
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"tag": "p",
"text": "2011å¹Žæ¹æ£ã«ãŠæ°èšã",
"title": "解説"
}
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| æ³åŠïŒã³ã³ã¡ã³ã¿ãŒã«ïŒã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš | [[æ³åŠ]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³]]=[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš]]
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[[category:åäºèšŽèšæ³ 2011å¹Žæ¹æ£|498ã®2]] | null | 2022-11-06T11:54:39Z | [
"ãã³ãã¬ãŒã:ååŸ",
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/%E5%88%91%E4%BA%8B%E8%A8%B4%E8%A8%9F%E6%B3%95%E7%AC%AC498%E6%9D%A1%E3%81%AE2 |
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2011å¹Žæ¹æ£ã«ãŠæ°èšã | [
{
"paragraph_id": 0,
"tag": "p",
"text": "æ³åŠ>ã³ã³ã¡ã³ã¿ãŒã«>ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "(é»ç£çèšé²ã«ä¿ãèšé²åªäœã®äº€ä»åã¯è€åãã§ããªãå Žåã®åæ±ã)",
"title": "æ¡æ"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "2011å¹Žæ¹æ£ã«ãŠæ°èšã",
"title": "解説"
}
]
| æ³åŠïŒã³ã³ã¡ã³ã¿ãŒã«ïŒã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³=ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš | [[æ³åŠ]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³]]=[[ã³ã³ã¡ã³ã¿ãŒã«åäºèšŽèšæ³/æ¹èš]]
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[[category:åäºèšŽèšæ³|499ã®2]]
[[category:åäºèšŽèšæ³ 2011å¹Žæ¹æ£|499ã®2]] | null | 2021-08-20T06:47:47Z | [
"ãã³ãã¬ãŒã:ååŸ",
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/%E5%88%91%E4%BA%8B%E8%A8%B4%E8%A8%9F%E6%B3%95%E7%AC%AC499%E6%9D%A1%E3%81%AE2 |
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{
"paragraph_id": 0,
"tag": "p",
"text": "æ³åŠ>æ°äºæ³>æ°äºèšŽèšæ³",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "(ææè
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"title": "æ¡æ"
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{
"paragraph_id": 2,
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"text": "2021å¹Žæ°æ³æ¹æ£ã«ããæ°èš(2023幎æœè¡äºå®)ã",
"title": "æ¡æ"
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{
"paragraph_id": 3,
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[[category:æ°äºèšŽèšæ³|125]]
[[category:æ°æ³ 2021å¹Žæ¹æ£|蚎125]] | null | 2023-01-02T04:00:38Z | [
"ãã³ãã¬ãŒã:ååŸ",
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/%E6%B0%91%E4%BA%8B%E8%A8%B4%E8%A8%9F%E6%B3%95%E7%AC%AC125%E6%9D%A1 |
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{
"paragraph_id": 0,
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"text": "æ³åŠ>æ°äºæ³>æ°äºèšŽèšæ³>ã³ã³ã¡ã³ã¿ãŒã«æ°äºèšŽèšæ³",
"title": ""
},
{
"paragraph_id": 1,
"tag": "p",
"text": "(ç®¡èœæš©ã®å°å±)",
"title": "æ¡æ"
},
{
"paragraph_id": 2,
"tag": "p",
"text": "2011å¹Žæ¹æ£ã«ãããŠæ°èšã",
"title": "解説"
}
]
| æ³åŠïŒæ°äºæ³ïŒæ°äºèšŽèšæ³ïŒã³ã³ã¡ã³ã¿ãŒã«æ°äºèšŽèšæ³ | [[æ³åŠ]]ïŒ[[æ°äºæ³]]ïŒ[[æ°äºèšŽèšæ³]]ïŒ[[ã³ã³ã¡ã³ã¿ãŒã«æ°äºèšŽèšæ³]]
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[[category:æ°äºèšŽèšæ³ 2011å¹Žæ¹æ£|003ã®05]] | null | 2023-01-02T02:27:19Z | [
"ãã³ãã¬ãŒã:ååŸ",
"ãã³ãã¬ãŒã:Stub"
]
| https://ja.wikibooks.org/wiki/%E6%B0%91%E4%BA%8B%E8%A8%B4%E8%A8%9F%E6%B3%95%E7%AC%AC3%E6%9D%A1%E3%81%AE5 |
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