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#include <unittest/unittest.h>
#include <thrust/transform.h>
#include <thrust/execution_policy.h>
template<typename ExecutionPolicy, typename Iterator1, typename Iterator2, typename Function, typename Iterator3>
__global__
void transform_kernel(ExecutionPolicy exec, Iterator1 first, Iterator1 last, Iterator2 result1, Function f, Iterator3 result2)
{
*result2 = thrust::transform(exec, first, last, result1, f);
}
template<typename ExecutionPolicy>
void TestTransformUnaryDevice(ExecutionPolicy exec)
{
typedef thrust::device_vector<int> Vector;
typedef typename Vector::value_type T;
typename Vector::iterator iter;
Vector input(3);
Vector output(3);
Vector result(3);
input[0] = 1; input[1] = -2; input[2] = 3;
result[0] = -1; result[1] = 2; result[2] = -3;
thrust::device_vector<typename Vector::iterator> iter_vec(1);
transform_kernel<<<1,1>>>(exec, input.begin(), input.end(), output.begin(), thrust::negate<T>(), iter_vec.begin());
cudaError_t const err = cudaDeviceSynchronize();
ASSERT_EQUAL(cudaSuccess, err);
iter = iter_vec[0];
ASSERT_EQUAL(std::size_t(iter - output.begin()), input.size());
ASSERT_EQUAL(output, result);
}
void TestTransformUnaryDeviceSeq()
{
TestTransformUnaryDevice(thrust::seq);
}
DECLARE_UNITTEST(TestTransformUnaryDeviceSeq);
void TestTransformUnaryDeviceDevice()
{
TestTransformUnaryDevice(thrust::device);
}
DECLARE_UNITTEST(TestTransformUnaryDeviceDevice);
template<typename ExecutionPolicy, typename Iterator1, typename Iterator2, typename Function, typename Predicate, typename Iterator3>
__global__
void transform_if_kernel(ExecutionPolicy exec, Iterator1 first, Iterator1 last, Iterator2 result1, Function f, Predicate pred, Iterator3 result2)
{
*result2 = thrust::transform_if(exec, first, last, result1, f, pred);
}
template<typename ExecutionPolicy>
void TestTransformIfUnaryNoStencilDevice(ExecutionPolicy exec)
{
typedef thrust::device_vector<int> Vector;
typedef typename Vector::value_type T;
typename Vector::iterator iter;
Vector input(3);
Vector output(3);
Vector result(3);
input[0] = 0; input[1] = -2; input[2] = 0;
output[0] = -1; output[1] = -2; output[2] = -3;
result[0] = -1; result[1] = 2; result[2] = -3;
thrust::device_vector<typename Vector::iterator> iter_vec(1);
transform_if_kernel<<<1,1>>>(exec,
input.begin(), input.end(),
output.begin(),
thrust::negate<T>(),
thrust::identity<T>(),
iter_vec.begin());
cudaError_t const err = cudaDeviceSynchronize();
ASSERT_EQUAL(cudaSuccess, err);
iter = iter_vec[0];
ASSERT_EQUAL(std::size_t(iter - output.begin()), input.size());
ASSERT_EQUAL(output, result);
}
void TestTransformIfUnaryNoStencilDeviceSeq()
{
TestTransformIfUnaryNoStencilDevice(thrust::seq);
}
DECLARE_UNITTEST(TestTransformIfUnaryNoStencilDeviceSeq);
void TestTransformIfUnaryNoStencilDeviceDevice()
{
TestTransformIfUnaryNoStencilDevice(thrust::device);
}
DECLARE_UNITTEST(TestTransformIfUnaryNoStencilDeviceDevice);
template<typename ExecutionPolicy, typename Iterator1, typename Iterator2, typename Iterator3, typename Function, typename Predicate, typename Iterator4>
__global__
void transform_if_kernel(ExecutionPolicy exec, Iterator1 first, Iterator1 last, Iterator2 stencil_first, Iterator3 result1, Function f, Predicate pred, Iterator4 result2)
{
*result2 = thrust::transform_if(exec, first, last, stencil_first, result1, f, pred);
}
template<typename ExecutionPolicy>
void TestTransformIfUnaryDevice(ExecutionPolicy exec)
{
typedef thrust::device_vector<int> Vector;
typedef typename Vector::value_type T;
typename Vector::iterator iter;
Vector input(3);
Vector stencil(3);
Vector output(3);
Vector result(3);
input[0] = 1; input[1] = -2; input[2] = 3;
output[0] = 1; output[1] = 2; output[2] = 3;
stencil[0] = 1; stencil[1] = 0; stencil[2] = 1;
result[0] = -1; result[1] = 2; result[2] = -3;
thrust::device_vector<typename Vector::iterator> iter_vec(1);
transform_if_kernel<<<1,1>>>(exec,
input.begin(), input.end(),
stencil.begin(),
output.begin(),
thrust::negate<T>(),
thrust::identity<T>(),
iter_vec.begin());
cudaError_t const err = cudaDeviceSynchronize();
ASSERT_EQUAL(cudaSuccess, err);
iter = iter_vec[0];
ASSERT_EQUAL(std::size_t(iter - output.begin()), input.size());
ASSERT_EQUAL(output, result);
}
void TestTransformIfUnaryDeviceSeq()
{
TestTransformIfUnaryDevice(thrust::seq);
}
DECLARE_UNITTEST(TestTransformIfUnaryDeviceSeq);
void TestTransformIfUnaryDeviceDevice()
{
TestTransformIfUnaryDevice(thrust::device);
}
DECLARE_UNITTEST(TestTransformIfUnaryDeviceDevice);
template<typename ExecutionPolicy, typename Iterator1, typename Iterator2, typename Iterator3, typename Function, typename Iterator4>
__global__
void transform_kernel(ExecutionPolicy exec, Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator3 result1, Function f, Iterator4 result2)
{
*result2 = thrust::transform(exec, first1, last1, first2, result1, f);
}
template<typename ExecutionPolicy>
void TestTransformBinaryDevice(ExecutionPolicy exec)
{
typedef thrust::device_vector<int> Vector;
typedef typename Vector::value_type T;
typename Vector::iterator iter;
Vector input1(3);
Vector input2(3);
Vector output(3);
Vector result(3);
input1[0] = 1; input1[1] = -2; input1[2] = 3;
input2[0] = -4; input2[1] = 5; input2[2] = 6;
result[0] = 5; result[1] = -7; result[2] = -3;
thrust::device_vector<typename Vector::iterator> iter_vec(1);
transform_kernel<<<1,1>>>(exec, input1.begin(), input1.end(), input2.begin(), output.begin(), thrust::minus<T>(), iter_vec.begin());
cudaError_t const err = cudaDeviceSynchronize();
ASSERT_EQUAL(cudaSuccess, err);
iter = iter_vec[0];
ASSERT_EQUAL(std::size_t(iter - output.begin()), input1.size());
ASSERT_EQUAL(output, result);
}
void TestTransformBinaryDeviceSeq()
{
TestTransformBinaryDevice(thrust::seq);
}
DECLARE_UNITTEST(TestTransformBinaryDeviceSeq);
void TestTransformBinaryDeviceDevice()
{
TestTransformBinaryDevice(thrust::device);
}
DECLARE_UNITTEST(TestTransformBinaryDeviceDevice);
template<typename ExecutionPolicy, typename Iterator1, typename Iterator2, typename Iterator3, typename Iterator4, typename Function, typename Predicate, typename Iterator5>
__global__
void transform_if_kernel(ExecutionPolicy exec, Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator3 stencil_first, Iterator4 result1, Function f, Predicate pred, Iterator5 result2)
{
*result2 = thrust::transform_if(exec, first1, last1, first2, stencil_first, result1, f, pred);
}
template<typename ExecutionPolicy>
void TestTransformIfBinaryDevice(ExecutionPolicy exec)
{
typedef thrust::device_vector<int> Vector;
typedef typename Vector::value_type T;
typename Vector::iterator iter;
Vector input1(3);
Vector input2(3);
Vector stencil(3);
Vector output(3);
Vector result(3);
input1[0] = 1; input1[1] = -2; input1[2] = 3;
input2[0] = -4; input2[1] = 5; input2[2] = 6;
stencil[0] = 0; stencil[1] = 1; stencil[2] = 0;
output[0] = 1; output[1] = 2; output[2] = 3;
result[0] = 5; result[1] = 2; result[2] = -3;
thrust::identity<T> identity;
thrust::device_vector<typename Vector::iterator> iter_vec(1);
transform_if_kernel<<<1,1>>>(exec,
input1.begin(), input1.end(),
input2.begin(),
stencil.begin(),
output.begin(),
thrust::minus<T>(),
thrust::not1(identity),
iter_vec.begin());
cudaError_t const err = cudaDeviceSynchronize();
ASSERT_EQUAL(cudaSuccess, err);
iter = iter_vec[0];
ASSERT_EQUAL(std::size_t(iter - output.begin()), input1.size());
ASSERT_EQUAL(output, result);
}
void TestTransformIfBinaryDeviceSeq()
{
TestTransformIfBinaryDevice(thrust::seq);
}
DECLARE_UNITTEST(TestTransformIfBinaryDeviceSeq);
void TestTransformIfBinaryDeviceDevice()
{
TestTransformIfBinaryDevice(thrust::device);
}
DECLARE_UNITTEST(TestTransformIfBinaryDeviceDevice);
void TestTransformUnaryCudaStreams()
{
typedef thrust::device_vector<int> Vector;
typedef Vector::value_type T;
Vector::iterator iter;
Vector input(3);
Vector output(3);
Vector result(3);
input[0] = 1; input[1] = -2; input[2] = 3;
result[0] = -1; result[1] = 2; result[2] = -3;
cudaStream_t s;
cudaStreamCreate(&s);
iter = thrust::transform(thrust::cuda::par.on(s), input.begin(), input.end(), output.begin(), thrust::negate<T>());
cudaStreamSynchronize(s);
ASSERT_EQUAL(std::size_t(iter - output.begin()), input.size());
ASSERT_EQUAL(output, result);
cudaStreamDestroy(s);
}
DECLARE_UNITTEST(TestTransformUnaryCudaStreams);
void TestTransformBinaryCudaStreams()
{
typedef thrust::device_vector<int> Vector;
typedef Vector::value_type T;
Vector::iterator iter;
Vector input1(3);
Vector input2(3);
Vector output(3);
Vector result(3);
input1[0] = 1; input1[1] = -2; input1[2] = 3;
input2[0] = -4; input2[1] = 5; input2[2] = 6;
result[0] = 5; result[1] = -7; result[2] = -3;
cudaStream_t s;
cudaStreamCreate(&s);
iter = thrust::transform(thrust::cuda::par.on(s), input1.begin(), input1.end(), input2.begin(), output.begin(), thrust::minus<T>());
cudaStreamSynchronize(s);
ASSERT_EQUAL(std::size_t(iter - output.begin()), input1.size());
ASSERT_EQUAL(output, result);
cudaStreamDestroy(s);
}
DECLARE_UNITTEST(TestTransformBinaryCudaStreams);
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