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#include <unittest/unittest.h>
#include <thrust/functional.h>
#include <thrust/transform.h>
#include <thrust/iterator/constant_iterator.h>
#define BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(name, op, reference_functor, type_list) \
template<typename Vector> \
struct TestFunctionalPlaceholders##name \
{ \
void operator()(const size_t) \
{ \
const size_t num_samples = 10000; \
typedef typename Vector::value_type T; \
Vector lhs = unittest::random_samples<T>(num_samples); \
Vector rhs = unittest::random_samples<T>(num_samples); \
thrust::replace(rhs.begin(), rhs.end(), T(0), T(1)); \
\
Vector lhs_reference = lhs; \
Vector reference(lhs.size()); \
Vector result(lhs_reference.size()); \
using namespace thrust::placeholders; \
\
thrust::transform(lhs_reference.begin(), lhs_reference.end(), rhs.begin(), reference.begin(), reference_functor<T>()); \
thrust::transform(lhs.begin(), lhs.end(), rhs.begin(), result.begin(), _1 op _2); \
ASSERT_ALMOST_EQUAL(reference, result); \
ASSERT_ALMOST_EQUAL(lhs_reference, lhs); \
\
thrust::transform(lhs_reference.begin(), lhs_reference.end(), thrust::make_constant_iterator<T>(1), reference.begin(), reference_functor<T>()); \
thrust::transform(lhs.begin(), lhs.end(), rhs.begin(), result.begin(), _1 op T(1)); \
ASSERT_ALMOST_EQUAL(reference, result); \
ASSERT_ALMOST_EQUAL(lhs_reference, lhs); \
} \
}; \
VectorUnitTest<TestFunctionalPlaceholders##name, type_list, thrust::device_vector, thrust::device_allocator> TestFunctionalPlaceholders##name##DeviceInstance; \
VectorUnitTest<TestFunctionalPlaceholders##name, type_list, thrust::host_vector, std::allocator> TestFunctionalPlaceholders##name##HostInstance;
template<typename T>
struct plus_equal_reference
{
__host__ __device__ T& operator()(T &lhs, const T &rhs) const { return lhs += rhs; }
};
template<typename T>
struct minus_equal_reference
{
__host__ __device__ T& operator()(T &lhs, const T &rhs) const { return lhs -= rhs; }
};
template<typename T>
struct multiplies_equal_reference
{
__host__ __device__ T& operator()(T &lhs, const T &rhs) const { return lhs *= rhs; }
};
template<typename T>
struct divides_equal_reference
{
__host__ __device__ T& operator()(T &lhs, const T &rhs) const { return lhs /= rhs; }
};
template<typename T>
struct modulus_equal_reference
{
__host__ __device__ T& operator()(T &lhs, const T &rhs) const { return lhs %= rhs; }
};
BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(PlusEqual, +=, plus_equal_reference, ThirtyTwoBitTypes);
BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(MinusEqual, -=, minus_equal_reference, ThirtyTwoBitTypes);
BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(MultipliesEqual, *=, multiplies_equal_reference, ThirtyTwoBitTypes);
BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(DividesEqual, /=, divides_equal_reference, ThirtyTwoBitTypes);
BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(ModulusEqual, %=, modulus_equal_reference, SmallIntegralTypes);
template<typename T>
struct bit_and_equal_reference
{
__host__ __device__ T& operator()(T &lhs, const T &rhs) const { return lhs &= rhs; }
};
template<typename T>
struct bit_or_equal_reference
{
__host__ __device__ T& operator()(T &lhs, const T &rhs) const { return lhs |= rhs; }
};
template<typename T>
struct bit_xor_equal_reference
{
__host__ __device__ T& operator()(T &lhs, const T &rhs) const { return lhs ^= rhs; }
};
template<typename T>
struct bit_lshift_equal_reference
{
__host__ __device__ T& operator()(T &lhs, const T &rhs) const { return lhs <<= rhs; }
};
template<typename T>
struct bit_rshift_equal_reference
{
__host__ __device__ T& operator()(T &lhs, const T &rhs) const { return lhs >>= rhs; }
};
BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(BitAndEqual, &=, bit_and_equal_reference, SmallIntegralTypes);
BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(BitOrEqual, |=, bit_or_equal_reference, SmallIntegralTypes);
BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(BitXorEqual, ^=, bit_xor_equal_reference, SmallIntegralTypes);
// XXX ptxas produces an error
void TestFunctionalPlaceholdersBitLshiftEqualDevice(void)
{
KNOWN_FAILURE;
}
// XXX KNOWN_FAILURE this until the above works
void TestFunctionalPlaceholdersBitLshiftEqualHost(void)
{
KNOWN_FAILURE;
}
//BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(BitLshiftEqual, <<=, bit_lshift_equal_reference, SmallIntegralTypes);
BINARY_FUNCTIONAL_PLACEHOLDERS_TEST(BitRshiftEqual, >>=, bit_rshift_equal_reference, SmallIntegralTypes);
template<typename T>
struct prefix_increment_reference
{
__host__ __device__ T& operator()(T &x) const { return ++x; }
};
template<typename T>
struct suffix_increment_reference
{
__host__ __device__ T operator()(T &x) const { return x++; }
};
template<typename T>
struct prefix_decrement_reference
{
__host__ __device__ T& operator()(T &x) const { return --x; }
};
template<typename T>
struct suffix_decrement_reference
{
__host__ __device__ T operator()(T &x) const { return x--; }
};
#define PREFIX_FUNCTIONAL_PLACEHOLDERS_TEST(name, reference_operator, functor) \
template<typename Vector> \
void TestFunctionalPlaceholdersPrefix##name(void) \
{ \
const size_t num_samples = 10000; \
typedef typename Vector::value_type T; \
Vector input = unittest::random_samples<T>(num_samples); \
\
Vector input_reference = input; \
Vector reference(input.size()); \
thrust::transform(input.begin(), input.end(), reference.begin(), functor<T>()); \
\
using namespace thrust::placeholders; \
Vector result(input_reference.size()); \
thrust::transform(input_reference.begin(), input_reference.end(), result.begin(), reference_operator _1); \
\
ASSERT_ALMOST_EQUAL(input_reference, input); \
ASSERT_ALMOST_EQUAL(reference, result); \
} \
DECLARE_INTEGRAL_VECTOR_UNITTEST(TestFunctionalPlaceholdersPrefix##name);
PREFIX_FUNCTIONAL_PLACEHOLDERS_TEST(Increment, ++, prefix_increment_reference);
PREFIX_FUNCTIONAL_PLACEHOLDERS_TEST(Decrement, --, prefix_decrement_reference);
#define SUFFIX_FUNCTIONAL_PLACEHOLDERS_TEST(name, reference_operator, functor) \
template<typename Vector> \
void TestFunctionalPlaceholdersSuffix##name(void) \
{ \
const size_t num_samples = 10000; \
typedef typename Vector::value_type T; \
Vector input = unittest::random_samples<T>(num_samples); \
\
Vector input_reference = input; \
Vector reference(input.size()); \
thrust::transform(input.begin(), input.end(), reference.begin(), functor<T>()); \
\
using namespace thrust::placeholders; \
Vector result(input_reference.size()); \
thrust::transform(input_reference.begin(), input_reference.end(), result.begin(), _1 reference_operator); \
\
ASSERT_ALMOST_EQUAL(input_reference, input); \
ASSERT_ALMOST_EQUAL(reference, result); \
} \
DECLARE_INTEGRAL_VECTOR_UNITTEST(TestFunctionalPlaceholdersSuffix##name);
SUFFIX_FUNCTIONAL_PLACEHOLDERS_TEST(Increment, ++, suffix_increment_reference);
SUFFIX_FUNCTIONAL_PLACEHOLDERS_TEST(Decrement, --, suffix_decrement_reference);
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