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/*
* Copyright 2008-2013 NVIDIA Corporation
* Modifications Copyright© 2019-2024 Advanced Micro Devices, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <thrust/device_vector.h>
#include <thrust/inner_product.h>
#include <thrust/iterator/retag.h>
#include "test_header.hpp"
TESTS_DEFINE(InnerProductTests, FullTestsParams);
TESTS_DEFINE(PrimitiveInnerProductTests, NumericalTestsParams);
template <class T>
T clip_infinity(T val)
{
T min = std::numeric_limits<T>::min();
T max = std::numeric_limits<T>::max();
if(val > max)
return max;
if(val < min)
return min;
return val;
}
TEST(InnerProductTests, UsingHip)
{
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
ASSERT_EQ(THRUST_DEVICE_SYSTEM, THRUST_DEVICE_SYSTEM_HIP);
}
TYPED_TEST(InnerProductTests, InnerProductSimple)
{
using Vector = typename TestFixture::input_type;
using Policy = typename TestFixture::execution_policy;
using T = typename Vector::value_type;
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
Vector v1(3);
Vector v2(3);
v1[0] = 1;
v1[1] = -2;
v1[2] = 3;
v2[0] = -4;
v2[1] = 5;
v2[2] = 6;
T init = 3;
T result = thrust::inner_product(Policy{}, v1.begin(), v1.end(), v2.begin(), init);
ASSERT_NEAR(result, (T)7, (T)0.01);
}
template <typename InputIterator1, typename InputIterator2, typename OutputType>
int inner_product(my_system& system, InputIterator1, InputIterator1, InputIterator2, OutputType)
{
system.validate_dispatch();
return 13;
}
TEST(InnerProductTests, InnerProductDispatchExplicit)
{
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
thrust::device_vector<int> vec;
my_system sys(0);
thrust::inner_product(sys, vec.begin(), vec.end(), vec.begin(), 0);
ASSERT_EQ(true, sys.is_valid());
}
template <typename InputIterator1, typename InputIterator2, typename OutputType>
int inner_product(my_tag, InputIterator1, InputIterator1, InputIterator2, OutputType)
{
return 13;
}
TEST(InnerProductTests, InnerProductDispatchImplicit)
{
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
thrust::device_vector<int> vec;
int result = thrust::inner_product(thrust::retag<my_tag>(vec.begin()),
thrust::retag<my_tag>(vec.end()),
thrust::retag<my_tag>(vec.begin()),
0);
ASSERT_EQ(13, result);
}
TYPED_TEST(InnerProductTests, InnerProductWithOperator)
{
using Vector = typename TestFixture::input_type;
using Policy = typename TestFixture::execution_policy;
using T = typename Vector::value_type;
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
T error_margin = (T)0.01;
Vector v1(3);
Vector v2(3);
v1[0] = 1;
v1[1] = -2;
v1[2] = 3;
v2[0] = -1;
v2[1] = 3;
v2[2] = 6;
// compute (v1 - v2) and perform a multiplies reduction
T init = 3;
T result = thrust::inner_product(
Policy{}, v1.begin(), v1.end(), v2.begin(), init, thrust::multiplies<T>(), thrust::minus<T>());
ASSERT_NEAR(result, (T)90, error_margin);
}
TYPED_TEST(PrimitiveInnerProductTests, InnerProductWithRandomData)
{
using T = typename TestFixture::input_type;
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
for(auto size : get_sizes())
{
SCOPED_TRACE(testing::Message() << "with size= " << size);
T error_margin = static_cast<T>(0.01) * size;
T min = saturate_cast<T>(-10);
T max = saturate_cast<T>(10);
for(auto seed : get_seeds())
{
SCOPED_TRACE(testing::Message() << "with seed= " << seed);
thrust::host_vector<T> h_v1 = get_random_data<T>(size, min, max, seed);
thrust::host_vector<T> h_v2 = get_random_data<T>(
size,
min,
max,
seed + seed_value_addition
);
thrust::device_vector<T> d_v1 = h_v1;
thrust::device_vector<T> d_v2 = h_v2;
T init = 13;
T expected = thrust::inner_product(h_v1.begin(), h_v1.end(), h_v2.begin(), init);
T result = thrust::inner_product(d_v1.begin(), d_v1.end(), d_v2.begin(), init);
ASSERT_NEAR(clip_infinity<T>(expected), clip_infinity<T>(result), error_margin);
}
}
};
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