forked from OSchip/llvm-project
110 lines
3.9 KiB
C++
110 lines
3.9 KiB
C++
// -*- C++ -*-
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//===-- test_find_first_of.cpp --------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "pstl_test_config.h"
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#include "pstl/execution"
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#include "pstl/algorithm"
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#include "utils.h"
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using namespace TestUtils;
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struct test_one_policy
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{
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#if __PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN || \
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__PSTL_ICC_16_VC14_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN //dummy specialization by policy type, in case of broken configuration
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template <typename Iterator1, typename Iterator2, typename Predicate>
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void
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operator()(pstl::execution::unsequenced_policy, Iterator1 b, Iterator1 e, Iterator2 bsub, Iterator2 esub,
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Predicate pred)
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{
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}
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template <typename Iterator1, typename Iterator2, typename Predicate>
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void
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operator()(pstl::execution::parallel_unsequenced_policy, Iterator1 b, Iterator1 e, Iterator2 bsub, Iterator2 esub,
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Predicate pred)
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{
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}
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#endif
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template <typename ExecutionPolicy, typename Iterator1, typename Iterator2, typename Predicate>
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void
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operator()(ExecutionPolicy&& exec, Iterator1 b, Iterator1 e, Iterator2 bsub, Iterator2 esub, Predicate pred)
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{
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using namespace std;
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Iterator1 expected = find_first_of(b, e, bsub, esub, pred);
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Iterator1 actual = find_first_of(exec, b, e, bsub, esub, pred);
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EXPECT_TRUE(actual == expected, "wrong return result from find_first_of with a predicate");
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expected = find_first_of(b, e, bsub, esub);
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actual = find_first_of(exec, b, e, bsub, esub);
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EXPECT_TRUE(actual == expected, "wrong return result from find_first_of");
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}
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};
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template <typename T, typename Predicate>
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void
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test(Predicate pred)
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{
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const std::size_t max_n1 = 1000;
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const std::size_t max_n2 = (max_n1 * 10) / 8;
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Sequence<T> in1(max_n1, [](std::size_t k) { return T(1); });
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Sequence<T> in2(max_n2, [](std::size_t k) { return T(0); });
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for (std::size_t n1 = 0; n1 <= max_n1; n1 = n1 <= 16 ? n1 + 1 : size_t(3.1415 * n1))
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{
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std::size_t sub_n[] = {0, 1, n1 / 3, n1, (n1 * 10) / 8};
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for (const auto n2 : sub_n)
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{
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invoke_on_all_policies(test_one_policy(), in1.begin(), in1.begin() + n1, in2.data(), in2.data() + n2, pred);
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in2[n2 / 2] = T(1);
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invoke_on_all_policies(test_one_policy(), in1.cbegin(), in1.cbegin() + n1, in2.data(), in2.data() + n2,
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pred);
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if (n2 >= 3)
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{
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in2[2 * n2 / 3] = T(1);
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invoke_on_all_policies(test_one_policy(), in1.cbegin(), in1.cbegin() + n1, in2.begin(),
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in2.begin() + n2, pred);
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in2[2 * n2 / 3] = T(0);
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}
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in2[n2 / 2] = T(0);
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}
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}
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invoke_on_all_policies(test_one_policy(), in1.begin(), in1.begin() + max_n1 / 10, in1.data(),
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in1.data() + max_n1 / 10, pred);
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}
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template <typename T>
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struct test_non_const
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{
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template <typename Policy, typename FirstIterator, typename SecondInterator>
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void
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operator()(Policy&& exec, FirstIterator first_iter, SecondInterator second_iter)
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{
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invoke_if(exec, [&]() {
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find_first_of(exec, first_iter, first_iter, second_iter, second_iter, non_const(std::equal_to<T>()));
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});
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}
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};
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int32_t
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main()
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{
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test<int32_t>(std::equal_to<int32_t>());
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test<uint16_t>(std::not_equal_to<uint16_t>());
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test<float64_t>([](const float64_t x, const float64_t y) { return x * x == y * y; });
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test_algo_basic_double<int32_t>(run_for_rnd_fw<test_non_const<int32_t>>());
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std::cout << done() << std::endl;
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return 0;
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}
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