peacock-data-public-datasets-idc-cronscript
/
venv
/lib
/python3.10
/site-packages
/sklearn
/metrics
/_dist_metrics.pxd
| # WARNING: Do not edit this file directly. | |
| # It is automatically generated from 'sklearn/metrics/_dist_metrics.pxd.tp'. | |
| # Changes must be made there. | |
| from libc.math cimport sqrt, exp | |
| from ..utils._typedefs cimport float64_t, float32_t, int32_t, intp_t | |
| cdef class DistanceMetric: | |
| pass | |
| ###################################################################### | |
| # Inline distance functions | |
| # | |
| # We use these for the default (euclidean) case so that they can be | |
| # inlined. This leads to faster computation for the most common case | |
| cdef inline float64_t euclidean_dist64( | |
| const float64_t* x1, | |
| const float64_t* x2, | |
| intp_t size, | |
| ) except -1 nogil: | |
| cdef float64_t tmp, d=0 | |
| cdef intp_t j | |
| for j in range(size): | |
| tmp = <float64_t> (x1[j] - x2[j]) | |
| d += tmp * tmp | |
| return sqrt(d) | |
| cdef inline float64_t euclidean_rdist64( | |
| const float64_t* x1, | |
| const float64_t* x2, | |
| intp_t size, | |
| ) except -1 nogil: | |
| cdef float64_t tmp, d=0 | |
| cdef intp_t j | |
| for j in range(size): | |
| tmp = <float64_t>(x1[j] - x2[j]) | |
| d += tmp * tmp | |
| return d | |
| cdef inline float64_t euclidean_dist_to_rdist64(const float64_t dist) except -1 nogil: | |
| return dist * dist | |
| cdef inline float64_t euclidean_rdist_to_dist64(const float64_t dist) except -1 nogil: | |
| return sqrt(dist) | |
| ###################################################################### | |
| # DistanceMetric64 base class | |
| cdef class DistanceMetric64(DistanceMetric): | |
| # The following attributes are required for a few of the subclasses. | |
| # we must define them here so that cython's limited polymorphism will work. | |
| # Because we don't expect to instantiate a lot of these objects, the | |
| # extra memory overhead of this setup should not be an issue. | |
| cdef float64_t p | |
| cdef const float64_t[::1] vec | |
| cdef const float64_t[:, ::1] mat | |
| cdef intp_t size | |
| cdef object func | |
| cdef object kwargs | |
| cdef float64_t dist( | |
| self, | |
| const float64_t* x1, | |
| const float64_t* x2, | |
| intp_t size, | |
| ) except -1 nogil | |
| cdef float64_t rdist( | |
| self, | |
| const float64_t* x1, | |
| const float64_t* x2, | |
| intp_t size, | |
| ) except -1 nogil | |
| cdef float64_t dist_csr( | |
| self, | |
| const float64_t* x1_data, | |
| const int32_t* x1_indices, | |
| const float64_t* x2_data, | |
| const int32_t* x2_indices, | |
| const int32_t x1_start, | |
| const int32_t x1_end, | |
| const int32_t x2_start, | |
| const int32_t x2_end, | |
| const intp_t size, | |
| ) except -1 nogil | |
| cdef float64_t rdist_csr( | |
| self, | |
| const float64_t* x1_data, | |
| const int32_t* x1_indices, | |
| const float64_t* x2_data, | |
| const int32_t* x2_indices, | |
| const int32_t x1_start, | |
| const int32_t x1_end, | |
| const int32_t x2_start, | |
| const int32_t x2_end, | |
| const intp_t size, | |
| ) except -1 nogil | |
| cdef int pdist( | |
| self, | |
| const float64_t[:, ::1] X, | |
| float64_t[:, ::1] D, | |
| ) except -1 | |
| cdef int cdist( | |
| self, | |
| const float64_t[:, ::1] X, | |
| const float64_t[:, ::1] Y, | |
| float64_t[:, ::1] D, | |
| ) except -1 | |
| cdef int pdist_csr( | |
| self, | |
| const float64_t* x1_data, | |
| const int32_t[::1] x1_indices, | |
| const int32_t[::1] x1_indptr, | |
| const intp_t size, | |
| float64_t[:, ::1] D, | |
| ) except -1 nogil | |
| cdef int cdist_csr( | |
| self, | |
| const float64_t* x1_data, | |
| const int32_t[::1] x1_indices, | |
| const int32_t[::1] x1_indptr, | |
| const float64_t* x2_data, | |
| const int32_t[::1] x2_indices, | |
| const int32_t[::1] x2_indptr, | |
| const intp_t size, | |
| float64_t[:, ::1] D, | |
| ) except -1 nogil | |
| cdef float64_t _rdist_to_dist(self, float64_t rdist) except -1 nogil | |
| cdef float64_t _dist_to_rdist(self, float64_t dist) except -1 nogil | |
| ###################################################################### | |
| # Inline distance functions | |
| # | |
| # We use these for the default (euclidean) case so that they can be | |
| # inlined. This leads to faster computation for the most common case | |
| cdef inline float64_t euclidean_dist32( | |
| const float32_t* x1, | |
| const float32_t* x2, | |
| intp_t size, | |
| ) except -1 nogil: | |
| cdef float64_t tmp, d=0 | |
| cdef intp_t j | |
| for j in range(size): | |
| tmp = <float64_t> (x1[j] - x2[j]) | |
| d += tmp * tmp | |
| return sqrt(d) | |
| cdef inline float64_t euclidean_rdist32( | |
| const float32_t* x1, | |
| const float32_t* x2, | |
| intp_t size, | |
| ) except -1 nogil: | |
| cdef float64_t tmp, d=0 | |
| cdef intp_t j | |
| for j in range(size): | |
| tmp = <float64_t>(x1[j] - x2[j]) | |
| d += tmp * tmp | |
| return d | |
| cdef inline float64_t euclidean_dist_to_rdist32(const float32_t dist) except -1 nogil: | |
| return dist * dist | |
| cdef inline float64_t euclidean_rdist_to_dist32(const float32_t dist) except -1 nogil: | |
| return sqrt(dist) | |
| ###################################################################### | |
| # DistanceMetric32 base class | |
| cdef class DistanceMetric32(DistanceMetric): | |
| # The following attributes are required for a few of the subclasses. | |
| # we must define them here so that cython's limited polymorphism will work. | |
| # Because we don't expect to instantiate a lot of these objects, the | |
| # extra memory overhead of this setup should not be an issue. | |
| cdef float64_t p | |
| cdef const float64_t[::1] vec | |
| cdef const float64_t[:, ::1] mat | |
| cdef intp_t size | |
| cdef object func | |
| cdef object kwargs | |
| cdef float32_t dist( | |
| self, | |
| const float32_t* x1, | |
| const float32_t* x2, | |
| intp_t size, | |
| ) except -1 nogil | |
| cdef float32_t rdist( | |
| self, | |
| const float32_t* x1, | |
| const float32_t* x2, | |
| intp_t size, | |
| ) except -1 nogil | |
| cdef float32_t dist_csr( | |
| self, | |
| const float32_t* x1_data, | |
| const int32_t* x1_indices, | |
| const float32_t* x2_data, | |
| const int32_t* x2_indices, | |
| const int32_t x1_start, | |
| const int32_t x1_end, | |
| const int32_t x2_start, | |
| const int32_t x2_end, | |
| const intp_t size, | |
| ) except -1 nogil | |
| cdef float32_t rdist_csr( | |
| self, | |
| const float32_t* x1_data, | |
| const int32_t* x1_indices, | |
| const float32_t* x2_data, | |
| const int32_t* x2_indices, | |
| const int32_t x1_start, | |
| const int32_t x1_end, | |
| const int32_t x2_start, | |
| const int32_t x2_end, | |
| const intp_t size, | |
| ) except -1 nogil | |
| cdef int pdist( | |
| self, | |
| const float32_t[:, ::1] X, | |
| float32_t[:, ::1] D, | |
| ) except -1 | |
| cdef int cdist( | |
| self, | |
| const float32_t[:, ::1] X, | |
| const float32_t[:, ::1] Y, | |
| float32_t[:, ::1] D, | |
| ) except -1 | |
| cdef int pdist_csr( | |
| self, | |
| const float32_t* x1_data, | |
| const int32_t[::1] x1_indices, | |
| const int32_t[::1] x1_indptr, | |
| const intp_t size, | |
| float32_t[:, ::1] D, | |
| ) except -1 nogil | |
| cdef int cdist_csr( | |
| self, | |
| const float32_t* x1_data, | |
| const int32_t[::1] x1_indices, | |
| const int32_t[::1] x1_indptr, | |
| const float32_t* x2_data, | |
| const int32_t[::1] x2_indices, | |
| const int32_t[::1] x2_indptr, | |
| const intp_t size, | |
| float32_t[:, ::1] D, | |
| ) except -1 nogil | |
| cdef float32_t _rdist_to_dist(self, float32_t rdist) except -1 nogil | |
| cdef float32_t _dist_to_rdist(self, float32_t dist) except -1 nogil | |