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#include <thrust/functional.h>
#include <thrust/transform.h>
#include <algorithm>
#include <functional>
#include <unittest/unittest.h>
const size_t NUM_SAMPLES = 10000;
template <class InputVector, class OutputVector, class Operator, class ReferenceOperator>
void TestBinaryFunctional()
{
typedef typename InputVector::value_type InputType;
typedef typename OutputVector::value_type OutputType;
thrust::host_vector<InputType> std_input1 = unittest::random_samples<InputType>(NUM_SAMPLES);
thrust::host_vector<InputType> std_input2 = unittest::random_samples<InputType>(NUM_SAMPLES);
thrust::host_vector<OutputType> std_output(NUM_SAMPLES);
// Replace zeros to avoid divide by zero exceptions
std::replace(std_input2.begin(), std_input2.end(), (InputType) 0, (InputType) 1);
InputVector input1 = std_input1;
InputVector input2 = std_input2;
OutputVector output(NUM_SAMPLES);
thrust::transform(input1.begin(), input1.end(), input2.begin(), output.begin(), Operator());
thrust::transform(std_input1.begin(), std_input1.end(), std_input2.begin(), std_output.begin(), ReferenceOperator());
// Note: FP division is not bit-equal, even when nvcc is invoked with --prec-div
ASSERT_ALMOST_EQUAL(output, std_output);
}
// XXX add bool to list
// Instantiate a macro for all integer-like data types
#define INSTANTIATE_INTEGER_TYPES(Macro, vector_type, operator_name) \
Macro(vector_type, operator_name, unittest::int8_t) Macro(vector_type, operator_name, unittest::uint8_t) \
Macro(vector_type, operator_name, unittest::int16_t) Macro(vector_type, operator_name, unittest::uint16_t) \
Macro(vector_type, operator_name, unittest::int32_t) Macro(vector_type, operator_name, unittest::uint32_t) \
Macro(vector_type, operator_name, unittest::int64_t) Macro(vector_type, operator_name, unittest::uint64_t)
// Instantiate a macro for all integer and floating point data types
#define INSTANTIATE_ALL_TYPES(Macro, vector_type, operator_name) \
INSTANTIATE_INTEGER_TYPES(Macro, vector_type, operator_name) \
Macro(vector_type, operator_name, float)
// op(T,T) -> T
#define INSTANTIATE_BINARY_ARITHMETIC_FUNCTIONAL_TEST(vector_type, operator_name, data_type) \
TestBinaryFunctional<thrust::vector_type<data_type>, \
thrust::vector_type<data_type>, \
thrust::operator_name<data_type>, \
std::operator_name<data_type>>();
// op(T,T) -> T
#define DECLARE_BINARY_ARITHMETIC_FUNCTIONAL_UNITTEST(operator_name, OperatorName) \
void Test##OperatorName##FunctionalHost() \
{ \
INSTANTIATE_ALL_TYPES(INSTANTIATE_BINARY_ARITHMETIC_FUNCTIONAL_TEST, host_vector, operator_name); \
} \
DECLARE_UNITTEST(Test##OperatorName##FunctionalHost); \
void Test##OperatorName##FunctionalDevice() \
{ \
INSTANTIATE_ALL_TYPES(INSTANTIATE_BINARY_ARITHMETIC_FUNCTIONAL_TEST, device_vector, operator_name); \
} \
DECLARE_UNITTEST(Test##OperatorName##FunctionalDevice);
// op(T,T) -> T (for integer T only)
#define DECLARE_BINARY_INTEGER_ARITHMETIC_FUNCTIONAL_UNITTEST(operator_name, OperatorName) \
void Test##OperatorName##FunctionalHost() \
{ \
INSTANTIATE_INTEGER_TYPES(INSTANTIATE_BINARY_ARITHMETIC_FUNCTIONAL_TEST, host_vector, operator_name); \
} \
DECLARE_UNITTEST(Test##OperatorName##FunctionalHost); \
void Test##OperatorName##FunctionalDevice() \
{ \
INSTANTIATE_INTEGER_TYPES(INSTANTIATE_BINARY_ARITHMETIC_FUNCTIONAL_TEST, device_vector, operator_name); \
} \
DECLARE_UNITTEST(Test##OperatorName##FunctionalDevice);
// Create the unit tests
DECLARE_BINARY_ARITHMETIC_FUNCTIONAL_UNITTEST(plus, Plus);
DECLARE_BINARY_ARITHMETIC_FUNCTIONAL_UNITTEST(minus, Minus);
DECLARE_BINARY_ARITHMETIC_FUNCTIONAL_UNITTEST(multiplies, Multiplies);
DECLARE_BINARY_ARITHMETIC_FUNCTIONAL_UNITTEST(divides, Divides);
DECLARE_BINARY_INTEGER_ARITHMETIC_FUNCTIONAL_UNITTEST(modulus, Modulus);
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