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
104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
// -*- C++ -*-
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//===-- test_reverse.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 <iterator>
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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_18_VC141_TEST_SIMD_LAMBDA_RELEASE_BROKEN || __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>
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typename std::enable_if<is_same_iterator_category<Iterator1, std::random_access_iterator_tag>::value, void>::type
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operator()(pstl::execution::unsequenced_policy, Iterator1 data_b, Iterator1 data_e, Iterator2 actual_b,
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Iterator2 actual_e)
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{
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}
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template <typename Iterator1, typename Iterator2>
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typename std::enable_if<is_same_iterator_category<Iterator1, std::random_access_iterator_tag>::value, void>::type
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operator()(pstl::execution::parallel_unsequenced_policy, Iterator1 data_b, Iterator1 data_e, Iterator2 actual_b,
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Iterator2 actual_e)
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{
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}
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#endif
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template <typename ExecutionPolicy, typename Iterator1, typename Iterator2>
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typename std::enable_if<!is_same_iterator_category<Iterator1, std::forward_iterator_tag>::value>::type
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operator()(ExecutionPolicy&& exec, Iterator1 data_b, Iterator1 data_e, Iterator2 actual_b, Iterator2 actual_e)
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{
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using namespace std;
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copy(data_b, data_e, actual_b);
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reverse(exec, actual_b, actual_e);
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bool check = equal(data_b, data_e, reverse_iterator<Iterator2>(actual_e));
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EXPECT_TRUE(check, "wrong result of reverse");
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}
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template <typename ExecutionPolicy, typename Iterator1, typename Iterator2>
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typename std::enable_if<is_same_iterator_category<Iterator1, std::forward_iterator_tag>::value>::type
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operator()(ExecutionPolicy&& exec, Iterator1 data_b, Iterator1 data_e, Iterator2 actual_b, Iterator2 actual_e)
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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()
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{
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const std::size_t max_len = 100000;
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Sequence<T> actual(max_len);
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Sequence<T> data(max_len, [](std::size_t i) { return T(i); });
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for (std::size_t len = 0; len < max_len; len = len <= 16 ? len + 1 : std::size_t(3.1415 * len))
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{
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invoke_on_all_policies(test_one_policy(), data.begin(), data.begin() + len, actual.begin(),
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actual.begin() + len);
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}
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}
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template <typename T>
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struct wrapper
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{
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T t;
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wrapper() {}
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explicit wrapper(T t_) : t(t_) {}
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bool
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operator==(const wrapper<T>& a) const
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{
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return t == a.t;
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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>();
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test<uint16_t>();
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test<float64_t>();
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#if !__PSTL_ICC_17_TEST_MAC_RELEASE_32_BROKEN
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test<wrapper<float64_t>>();
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#endif
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std::cout << done() << std::endl;
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return 0;
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}
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