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#include <unittest/unittest.h>
#include <thrust/functional.h>
#include <thrust/transform.h>
#include <thrust/detail/allocator/allocator_traits.h>
static const size_t num_samples = 10000;
template<typename Vector, typename U> struct rebind_vector;
template<typename T, typename U, typename Allocator>
struct rebind_vector<thrust::host_vector<T, Allocator>, U>
{
typedef typename thrust::detail::allocator_traits<Allocator> alloc_traits;
typedef typename alloc_traits::template rebind_alloc<U> new_alloc;
typedef thrust::host_vector<U, new_alloc> type;
};
template<typename T, typename U, typename Allocator>
struct rebind_vector<thrust::device_vector<T, Allocator>, U>
{
typedef thrust::device_vector<U,
typename Allocator::template rebind<U>::other> type;
};
#define BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(name, reference_operator, functor) \
template<typename Vector> \
void TestFunctionalPlaceholders##name(void) \
{ \
typedef typename Vector::value_type T; \
typedef typename rebind_vector<Vector,bool>::type bool_vector; \
Vector lhs = unittest::random_samples<T>(num_samples); \
Vector rhs = unittest::random_samples<T>(num_samples); \
\
bool_vector reference(lhs.size()); \
thrust::transform(lhs.begin(), lhs.end(), rhs.begin(), reference.begin(), functor<T>()); \
\
using namespace thrust::placeholders; \
bool_vector result(lhs.size()); \
thrust::transform(lhs.begin(), lhs.end(), rhs.begin(), result.begin(), _1 reference_operator _2); \
\
ASSERT_EQUAL(reference, result); \
} \
DECLARE_VECTOR_UNITTEST(TestFunctionalPlaceholders##name);
BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(LogicalAnd, &&, thrust::logical_and);
BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(LogicalOr, ||, thrust::logical_or);
template<typename Vector>
void TestFunctionalPlaceholdersLogicalNot(void)
{
typedef typename Vector::value_type T;
typedef typename rebind_vector<Vector,bool>::type bool_vector;
Vector input = unittest::random_samples<T>(num_samples);
if(input.size() > 0)
{
// produce at least one true in the output
input[0] = T(0);
} // end if
bool_vector reference(input.size());
thrust::transform(input.begin(), input.end(), reference.begin(), thrust::logical_not<T>());
using namespace thrust::placeholders;
bool_vector result(input.size());
thrust::transform(input.begin(), input.end(), result.begin(), !_1);
ASSERT_EQUAL(reference, result);
}
DECLARE_INTEGRAL_VECTOR_UNITTEST(TestFunctionalPlaceholdersLogicalNot);
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