e637637ae4
The initial commit of the Parallel STL upstream (under LLVM umbrella) based on Parallel STL 20181204 open source release, which is available by https://github.com/intel/parallelstl Author: Mikhail Dvorskiy <mikhail.dvorskiy@intel.com> Differential Revision: https://reviews.llvm.org/D55889 llvm-svn: 349653
122 lines
4.3 KiB
C++
122 lines
4.3 KiB
C++
// -*- C++ -*-
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//===-- test_find_end.cpp -------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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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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// For find_end
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{
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auto expected = find_end(b, e, bsub, esub, pred);
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auto actual = find_end(exec, b, e, bsub, esub);
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EXPECT_TRUE(actual == expected, "wrong return result from find_end");
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actual = find_end(exec, b, e, bsub, esub, pred);
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EXPECT_TRUE(actual == expected, "wrong return result from find_end with a predicate");
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}
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// For search
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{
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auto expected = search(b, e, bsub, esub, pred);
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auto actual = search(exec, b, e, bsub, esub);
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EXPECT_TRUE(actual == expected, "wrong return result from search");
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actual = search(exec, b, e, bsub, esub, pred);
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EXPECT_TRUE(actual == expected, "wrong return result from search with a predicate");
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}
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}
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};
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template <typename T>
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void
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test(const std::size_t bits)
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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> in(max_n1, [max_n1, bits](std::size_t k) { return T(2 * HashBits(max_n1, bits - 1) ^ 1); });
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Sequence<T> sub(max_n2, [max_n1, bits](std::size_t k) { return T(2 * HashBits(max_n1, bits - 1)); });
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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, 3, n1, (n1 * 10) / 8};
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std::size_t res[] = {0, 1, n1 / 2, n1};
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for (auto n2 : sub_n)
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{
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for (auto r : res)
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{
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std::size_t i = r, isub = 0;
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for (; i < n1 & isub < n2; ++i, ++isub)
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in[i] = sub[isub];
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invoke_on_all_policies(test_one_policy(), in.begin(), in.begin() + n1, sub.begin(), sub.begin() + n2,
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std::equal_to<T>());
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invoke_on_all_policies(test_one_policy(), in.cbegin(), in.cbegin() + n1, sub.cbegin(),
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sub.cbegin() + n2, std::equal_to<T>());
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}
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}
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}
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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_end(exec, first_iter, first_iter, second_iter, second_iter, non_const(std::equal_to<T>()));
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search(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>(8 * sizeof(int32_t));
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test<uint16_t>(8 * sizeof(uint16_t));
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test<float64_t>(53);
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#if !__PSTL_ICC_16_17_TEST_REDUCTION_BOOL_TYPE_RELEASE_64_BROKEN
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test<bool>(1);
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#endif
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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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