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/*
* Copyright 2008-2013 NVIDIA Corporation
* Modifications Copyright© 2019 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/sort.h>
#include "test_header.hpp"
TESTS_DEFINE(SortByKeyVariableTests, AllIntegerTestsParams);
TYPED_TEST(SortByKeyVariableTests, TestSortVariableBits)
{
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);
for(size_t num_bits = 0; num_bits < 8 * sizeof(T); num_bits += 3)
{
SCOPED_TRACE(testing::Message() << "with bits = " << size);
for(auto seed : get_seeds())
{
SCOPED_TRACE(testing::Message() << "with seed= " << seed);
thrust::host_vector<T> h_keys = get_random_data<T>(
size, std::numeric_limits<T>::min(), std::numeric_limits<T>::max(), seed);
size_t mask = (1 << num_bits) - 1;
for(size_t i = 0; i < size; i++)
h_keys[i] &= mask;
thrust::host_vector<T> reference = h_keys;
thrust::device_vector<T> d_keys = h_keys;
std::sort(reference.begin(), reference.end());
thrust::sort(h_keys.begin(), h_keys.end());
thrust::sort(d_keys.begin(), d_keys.end());
ASSERT_EQ(reference, h_keys);
ASSERT_EQ(h_keys, d_keys);
}
}
}
}
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