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#include <unittest/unittest.h>
#include <thrust/unique.h>
#include <thrust/functional.h>
#include <thrust/iterator/discard_iterator.h>
#include <thrust/iterator/retag.h>
template <typename ForwardIterator1,
typename ForwardIterator2>
thrust::pair<ForwardIterator1,ForwardIterator2>
unique_by_key(my_system &system,
ForwardIterator1 keys_first,
ForwardIterator1,
ForwardIterator2 values_first)
{
system.validate_dispatch();
return thrust::make_pair(keys_first,values_first);
}
void TestUniqueByKeyDispatchExplicit()
{
thrust::device_vector<int> vec(1);
my_system sys(0);
thrust::unique_by_key(sys, vec.begin(), vec.begin(), vec.begin());
ASSERT_EQUAL(true, sys.is_valid());
}
DECLARE_UNITTEST(TestUniqueByKeyDispatchExplicit);
template <typename ForwardIterator1,
typename ForwardIterator2>
thrust::pair<ForwardIterator1,ForwardIterator2>
unique_by_key(my_tag,
ForwardIterator1 keys_first,
ForwardIterator1,
ForwardIterator2 values_first)
{
*keys_first = 13;
return thrust::make_pair(keys_first,values_first);
}
void TestUniqueByKeyDispatchImplicit()
{
thrust::device_vector<int> vec(1);
thrust::unique_by_key(thrust::retag<my_tag>(vec.begin()),
thrust::retag<my_tag>(vec.begin()),
thrust::retag<my_tag>(vec.begin()));
ASSERT_EQUAL(13, vec.front());
}
DECLARE_UNITTEST(TestUniqueByKeyDispatchImplicit);
template <typename InputIterator1,
typename InputIterator2,
typename OutputIterator1,
typename OutputIterator2>
thrust::pair<OutputIterator1,OutputIterator2>
unique_by_key_copy(my_system &system,
InputIterator1,
InputIterator1,
InputIterator2,
OutputIterator1 keys_output,
OutputIterator2 values_output)
{
system.validate_dispatch();
return thrust::make_pair(keys_output, values_output);
}
void TestUniqueByKeyCopyDispatchExplicit()
{
thrust::device_vector<int> vec(1);
my_system sys(0);
thrust::unique_by_key_copy(sys,
vec.begin(),
vec.begin(),
vec.begin(),
vec.begin(),
vec.begin());
ASSERT_EQUAL(true, sys.is_valid());
}
DECLARE_UNITTEST(TestUniqueByKeyCopyDispatchExplicit);
template <typename InputIterator1,
typename InputIterator2,
typename OutputIterator1,
typename OutputIterator2>
thrust::pair<OutputIterator1,OutputIterator2>
unique_by_key_copy(my_tag,
InputIterator1,
InputIterator1,
InputIterator2,
OutputIterator1 keys_output,
OutputIterator2 values_output)
{
*keys_output = 13;
return thrust::make_pair(keys_output, values_output);
}
void TestUniqueByKeyCopyDispatchImplicit()
{
thrust::device_vector<int> vec(1);
thrust::unique_by_key_copy(thrust::retag<my_tag>(vec.begin()),
thrust::retag<my_tag>(vec.begin()),
thrust::retag<my_tag>(vec.begin()),
thrust::retag<my_tag>(vec.begin()),
thrust::retag<my_tag>(vec.begin()));
ASSERT_EQUAL(13, vec.front());
}
DECLARE_UNITTEST(TestUniqueByKeyCopyDispatchImplicit);
template<typename T>
struct is_equal_div_10_unique
{
__host__ __device__
bool operator()(const T x, const T& y) const { return ((int) x / 10) == ((int) y / 10); }
};
template <typename Vector>
void initialize_keys(Vector& keys)
{
keys.resize(9);
keys[0] = 11;
keys[1] = 11;
keys[2] = 21;
keys[3] = 20;
keys[4] = 21;
keys[5] = 21;
keys[6] = 21;
keys[7] = 37;
keys[8] = 37;
}
template <typename Vector>
void initialize_values(Vector& values)
{
values.resize(9);
values[0] = 0;
values[1] = 1;
values[2] = 2;
values[3] = 3;
values[4] = 4;
values[5] = 5;
values[6] = 6;
values[7] = 7;
values[8] = 8;
}
template<typename Vector>
void TestUniqueByKeySimple(void)
{
typedef typename Vector::value_type T;
Vector keys;
Vector values;
typename thrust::pair<typename Vector::iterator, typename Vector::iterator> new_last;
// basic test
initialize_keys(keys); initialize_values(values);
new_last = thrust::unique_by_key(keys.begin(), keys.end(), values.begin());
ASSERT_EQUAL(new_last.first - keys.begin(), 5);
ASSERT_EQUAL(new_last.second - values.begin(), 5);
ASSERT_EQUAL(keys[0], 11);
ASSERT_EQUAL(keys[1], 21);
ASSERT_EQUAL(keys[2], 20);
ASSERT_EQUAL(keys[3], 21);
ASSERT_EQUAL(keys[4], 37);
ASSERT_EQUAL(values[0], 0);
ASSERT_EQUAL(values[1], 2);
ASSERT_EQUAL(values[2], 3);
ASSERT_EQUAL(values[3], 4);
ASSERT_EQUAL(values[4], 7);
// test BinaryPredicate
initialize_keys(keys); initialize_values(values);
new_last = thrust::unique_by_key(keys.begin(), keys.end(), values.begin(), is_equal_div_10_unique<T>());
ASSERT_EQUAL(new_last.first - keys.begin(), 3);
ASSERT_EQUAL(new_last.second - values.begin(), 3);
ASSERT_EQUAL(keys[0], 11);
ASSERT_EQUAL(keys[1], 21);
ASSERT_EQUAL(keys[2], 37);
ASSERT_EQUAL(values[0], 0);
ASSERT_EQUAL(values[1], 2);
ASSERT_EQUAL(values[2], 7);
}
DECLARE_INTEGRAL_VECTOR_UNITTEST(TestUniqueByKeySimple);
template<typename Vector>
void TestUniqueCopyByKeySimple(void)
{
typedef typename Vector::value_type T;
Vector keys;
Vector values;
typename thrust::pair<typename Vector::iterator, typename Vector::iterator> new_last;
// basic test
initialize_keys(keys); initialize_values(values);
Vector output_keys(keys.size());
Vector output_values(values.size());
new_last = thrust::unique_by_key_copy(keys.begin(), keys.end(), values.begin(), output_keys.begin(), output_values.begin());
ASSERT_EQUAL(new_last.first - output_keys.begin(), 5);
ASSERT_EQUAL(new_last.second - output_values.begin(), 5);
ASSERT_EQUAL(output_keys[0], 11);
ASSERT_EQUAL(output_keys[1], 21);
ASSERT_EQUAL(output_keys[2], 20);
ASSERT_EQUAL(output_keys[3], 21);
ASSERT_EQUAL(output_keys[4], 37);
ASSERT_EQUAL(output_values[0], 0);
ASSERT_EQUAL(output_values[1], 2);
ASSERT_EQUAL(output_values[2], 3);
ASSERT_EQUAL(output_values[3], 4);
ASSERT_EQUAL(output_values[4], 7);
// test BinaryPredicate
initialize_keys(keys); initialize_values(values);
new_last = thrust::unique_by_key_copy(keys.begin(), keys.end(), values.begin(), output_keys.begin(), output_values.begin(), is_equal_div_10_unique<T>());
ASSERT_EQUAL(new_last.first - output_keys.begin(), 3);
ASSERT_EQUAL(new_last.second - output_values.begin(), 3);
ASSERT_EQUAL(output_keys[0], 11);
ASSERT_EQUAL(output_keys[1], 21);
ASSERT_EQUAL(output_keys[2], 37);
ASSERT_EQUAL(output_values[0], 0);
ASSERT_EQUAL(output_values[1], 2);
ASSERT_EQUAL(output_values[2], 7);
}
DECLARE_INTEGRAL_VECTOR_UNITTEST(TestUniqueCopyByKeySimple);
template<typename K>
struct TestUniqueByKey
{
void operator()(const size_t n)
{
typedef unsigned int V; // ValueType
thrust::host_vector<K> h_keys = unittest::random_integers<bool>(n);
thrust::host_vector<V> h_vals = unittest::random_integers<V>(n);
thrust::device_vector<K> d_keys = h_keys;
thrust::device_vector<V> d_vals = h_vals;
typedef typename thrust::host_vector<K>::iterator HostKeyIterator;
typedef typename thrust::host_vector<V>::iterator HostValIterator;
typedef typename thrust::device_vector<K>::iterator DeviceKeyIterator;
typedef typename thrust::device_vector<V>::iterator DeviceValIterator;
typedef typename thrust::pair<HostKeyIterator, HostValIterator> HostIteratorPair;
typedef typename thrust::pair<DeviceKeyIterator,DeviceValIterator> DeviceIteratorPair;
HostIteratorPair h_last = thrust::unique_by_key(h_keys.begin(), h_keys.end(), h_vals.begin());
DeviceIteratorPair d_last = thrust::unique_by_key(d_keys.begin(), d_keys.end(), d_vals.begin());
ASSERT_EQUAL(h_last.first - h_keys.begin(), d_last.first - d_keys.begin());
ASSERT_EQUAL(h_last.second - h_vals.begin(), d_last.second - d_vals.begin());
size_t N = h_last.first - h_keys.begin();
h_keys.resize(N);
h_vals.resize(N);
d_keys.resize(N);
d_vals.resize(N);
ASSERT_EQUAL(h_keys, d_keys);
ASSERT_EQUAL(h_vals, d_vals);
}
};
VariableUnitTest<TestUniqueByKey, IntegralTypes> TestUniqueByKeyInstance;
template<typename K>
struct TestUniqueCopyByKey
{
void operator()(const size_t n)
{
typedef unsigned int V; // ValueType
thrust::host_vector<K> h_keys = unittest::random_integers<bool>(n);
thrust::host_vector<V> h_vals = unittest::random_integers<V>(n);
thrust::device_vector<K> d_keys = h_keys;
thrust::device_vector<V> d_vals = h_vals;
thrust::host_vector<K> h_keys_output(n);
thrust::host_vector<V> h_vals_output(n);
thrust::device_vector<K> d_keys_output(n);
thrust::device_vector<V> d_vals_output(n);
typedef typename thrust::host_vector<K>::iterator HostKeyIterator;
typedef typename thrust::host_vector<V>::iterator HostValIterator;
typedef typename thrust::device_vector<K>::iterator DeviceKeyIterator;
typedef typename thrust::device_vector<V>::iterator DeviceValIterator;
typedef typename thrust::pair<HostKeyIterator, HostValIterator> HostIteratorPair;
typedef typename thrust::pair<DeviceKeyIterator,DeviceValIterator> DeviceIteratorPair;
HostIteratorPair h_last = thrust::unique_by_key_copy(h_keys.begin(), h_keys.end(), h_vals.begin(), h_keys_output.begin(), h_vals_output.begin());
DeviceIteratorPair d_last = thrust::unique_by_key_copy(d_keys.begin(), d_keys.end(), d_vals.begin(), d_keys_output.begin(), d_vals_output.begin());
ASSERT_EQUAL(h_last.first - h_keys_output.begin(), d_last.first - d_keys_output.begin());
ASSERT_EQUAL(h_last.second - h_vals_output.begin(), d_last.second - d_vals_output.begin());
size_t N = h_last.first - h_keys_output.begin();
h_keys_output.resize(N);
h_vals_output.resize(N);
d_keys_output.resize(N);
d_vals_output.resize(N);
ASSERT_EQUAL(h_keys_output, d_keys_output);
ASSERT_EQUAL(h_vals_output, d_vals_output);
}
};
VariableUnitTest<TestUniqueCopyByKey, IntegralTypes> TestUniqueCopyByKeyInstance;
template<typename K>
struct TestUniqueCopyByKeyToDiscardIterator
{
void operator()(const size_t n)
{
typedef unsigned int V; // ValueType
thrust::host_vector<K> h_keys = unittest::random_integers<bool>(n);
thrust::host_vector<V> h_vals = unittest::random_integers<V>(n);
thrust::device_vector<K> d_keys = h_keys;
thrust::device_vector<V> d_vals = h_vals;
thrust::host_vector<V> h_vals_output(n);
thrust::device_vector<V> d_vals_output(n);
thrust::host_vector<K> h_keys_output(n);
thrust::device_vector<K> d_keys_output(n);
thrust::host_vector<K> h_unique_keys = h_keys;
h_unique_keys.erase(thrust::unique(h_unique_keys.begin(), h_unique_keys.end()), h_unique_keys.end());
size_t num_unique_keys = h_unique_keys.size();
// mask both outputs
thrust::pair<thrust::discard_iterator<>, thrust::discard_iterator<> > h_result1 =
thrust::unique_by_key_copy(h_keys.begin(), h_keys.end(),
h_vals.begin(),
thrust::make_discard_iterator(),
thrust::make_discard_iterator());
thrust::pair<thrust::discard_iterator<>, thrust::discard_iterator<> > d_result1 =
thrust::unique_by_key_copy(d_keys.begin(), d_keys.end(),
d_vals.begin(),
thrust::make_discard_iterator(),
thrust::make_discard_iterator());
thrust::pair<thrust::discard_iterator<>, thrust::discard_iterator<> > reference1 =
thrust::make_pair(thrust::make_discard_iterator(num_unique_keys),
thrust::make_discard_iterator(num_unique_keys));
ASSERT_EQUAL_QUIET(reference1, h_result1);
ASSERT_EQUAL_QUIET(reference1, d_result1);
// mask values output
thrust::pair<typename thrust::host_vector<K>::iterator, thrust::discard_iterator<> > h_result2 =
thrust::unique_by_key_copy(h_keys.begin(), h_keys.end(),
h_vals.begin(),
h_keys_output.begin(),
thrust::make_discard_iterator());
thrust::pair<typename thrust::device_vector<K>::iterator, thrust::discard_iterator<> > d_result2 =
thrust::unique_by_key_copy(d_keys.begin(), d_keys.end(),
d_vals.begin(),
d_keys_output.begin(),
thrust::make_discard_iterator());
thrust::pair<typename thrust::host_vector<K>::iterator, thrust::discard_iterator<> > h_reference2 =
thrust::make_pair(h_keys_output.begin() + num_unique_keys,
thrust::make_discard_iterator(num_unique_keys));
thrust::pair<typename thrust::device_vector<K>::iterator, thrust::discard_iterator<> > d_reference2 =
thrust::make_pair(d_keys_output.begin() + num_unique_keys,
thrust::make_discard_iterator(num_unique_keys));
ASSERT_EQUAL(h_keys_output, d_keys_output);
ASSERT_EQUAL_QUIET(h_reference2, h_result2);
ASSERT_EQUAL_QUIET(d_reference2, d_result2);
// mask keys output
thrust::pair<thrust::discard_iterator<>, typename thrust::host_vector<V>::iterator> h_result3 =
thrust::unique_by_key_copy(h_keys.begin(), h_keys.end(),
h_vals.begin(),
thrust::make_discard_iterator(),
h_vals_output.begin());
thrust::pair<thrust::discard_iterator<>, typename thrust::device_vector<V>::iterator> d_result3 =
thrust::unique_by_key_copy(d_keys.begin(), d_keys.end(),
d_vals.begin(),
thrust::make_discard_iterator(),
d_vals_output.begin());
thrust::pair<thrust::discard_iterator<>, typename thrust::host_vector<V>::iterator> h_reference3 =
thrust::make_pair(thrust::make_discard_iterator(num_unique_keys),
h_vals_output.begin() + num_unique_keys);
thrust::pair<thrust::discard_iterator<>, typename thrust::device_vector<V>::iterator> d_reference3 =
thrust::make_pair(thrust::make_discard_iterator(num_unique_keys),
d_vals_output.begin() + num_unique_keys);
ASSERT_EQUAL(h_vals_output, d_vals_output);
ASSERT_EQUAL_QUIET(h_reference3, h_result3);
ASSERT_EQUAL_QUIET(d_reference3, d_result3);
}
};
VariableUnitTest<TestUniqueCopyByKeyToDiscardIterator, IntegralTypes> TestUniqueCopyByKeyToDiscardIteratorInstance;
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