| // -*- C++ -*- |
| //===-- reverse.pass.cpp --------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11, c++14 |
| |
| #include "support/pstl_test_config.h" |
| |
| #include <iterator> |
| #include <execution> |
| #include <algorithm> |
| |
| #include "support/utils.h" |
| |
| using namespace TestUtils; |
| |
| struct test_one_policy |
| { |
| #if defined(_PSTL_ICC_18_VC141_TEST_SIMD_LAMBDA_RELEASE_BROKEN) || defined(_PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN) || \ |
| defined(_PSTL_ICC_16_VC14_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN) // dummy specialization by policy type, in case of broken configuration |
| template <typename Iterator1, typename Iterator2> |
| typename std::enable_if<is_same_iterator_category<Iterator1, std::random_access_iterator_tag>::value, void>::type |
| operator()(pstl::execution::unsequenced_policy, Iterator1 data_b, Iterator1 data_e, Iterator2 actual_b, |
| Iterator2 actual_e) |
| { |
| } |
| template <typename Iterator1, typename Iterator2> |
| typename std::enable_if<is_same_iterator_category<Iterator1, std::random_access_iterator_tag>::value, void>::type |
| operator()(pstl::execution::parallel_unsequenced_policy, Iterator1 data_b, Iterator1 data_e, Iterator2 actual_b, |
| Iterator2 actual_e) |
| { |
| } |
| #endif |
| |
| template <typename ExecutionPolicy, typename Iterator1, typename Iterator2> |
| typename std::enable_if<!is_same_iterator_category<Iterator1, std::forward_iterator_tag>::value>::type |
| operator()(ExecutionPolicy&& exec, Iterator1 data_b, Iterator1 data_e, Iterator2 actual_b, Iterator2 actual_e) |
| { |
| using namespace std; |
| |
| copy(data_b, data_e, actual_b); |
| |
| reverse(exec, actual_b, actual_e); |
| |
| bool check = equal(data_b, data_e, reverse_iterator<Iterator2>(actual_e)); |
| |
| EXPECT_TRUE(check, "wrong result of reverse"); |
| } |
| |
| template <typename ExecutionPolicy, typename Iterator1, typename Iterator2> |
| typename std::enable_if<is_same_iterator_category<Iterator1, std::forward_iterator_tag>::value>::type |
| operator()(ExecutionPolicy&&, Iterator1, Iterator1, Iterator2, Iterator2) |
| { |
| } |
| }; |
| |
| template <typename T> |
| void |
| test() |
| { |
| const std::size_t max_len = 100000; |
| |
| Sequence<T> actual(max_len); |
| |
| Sequence<T> data(max_len, [](std::size_t i) { return T(i); }); |
| |
| for (std::size_t len = 0; len < max_len; len = len <= 16 ? len + 1 : std::size_t(3.1415 * len)) |
| { |
| invoke_on_all_policies(test_one_policy(), data.begin(), data.begin() + len, actual.begin(), |
| actual.begin() + len); |
| } |
| } |
| |
| template <typename T> |
| struct wrapper |
| { |
| T t; |
| wrapper() {} |
| explicit wrapper(T t_) : t(t_) {} |
| bool |
| operator==(const wrapper<T>& a) const |
| { |
| return t == a.t; |
| } |
| }; |
| |
| int |
| main() |
| { |
| test<int32_t>(); |
| test<uint16_t>(); |
| test<float64_t>(); |
| #if !defined(_PSTL_ICC_17_TEST_MAC_RELEASE_32_BROKEN) |
| test<wrapper<float64_t>>(); |
| #endif |
| |
| std::cout << done() << std::endl; |
| return 0; |
| } |