| // -*- C++ -*- |
| //===-- is_partitioned.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 <execution> |
| #include <algorithm> |
| |
| #include "support/utils.h" |
| |
| using namespace TestUtils; |
| |
| struct test_one_policy |
| { |
| //dummy specialization by policy type, in case of broken configuration |
| #if defined(_PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN) || defined(_PSTL_ICC_16_VC14_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN) |
| |
| template <typename Iterator1, typename Predicate> |
| void |
| operator()(pstl::execution::unsequenced_policy, Iterator1 begin1, Iterator1 end1, Predicate pred) |
| { |
| } |
| template <typename Iterator1, typename Predicate> |
| void |
| operator()(pstl::execution::parallel_unsequenced_policy, Iterator1 begin1, Iterator1 end1, Predicate pred) |
| { |
| } |
| #endif |
| |
| template <typename ExecutionPolicy, typename Iterator1, typename Predicate> |
| void |
| operator()(ExecutionPolicy&& exec, Iterator1 begin1, Iterator1 end1, Predicate pred) |
| { |
| const bool expected = std::is_partitioned(begin1, end1, pred); |
| const bool actual = std::is_partitioned(exec, begin1, end1, pred); |
| EXPECT_TRUE(actual == expected, "wrong return result from is_partitioned"); |
| } |
| }; |
| |
| template <typename T, typename Predicate> |
| void |
| test(Predicate pred) |
| { |
| |
| const std::size_t max_n = 1000000; |
| Sequence<T> in(max_n, [](std::size_t k) { return T(k); }); |
| |
| for (std::size_t n1 = 0; n1 <= max_n; n1 = n1 <= 16 ? n1 + 1 : std::size_t(3.1415 * n1)) |
| { |
| invoke_on_all_policies(test_one_policy(), in.begin(), in.begin() + n1, pred); |
| std::partition(in.begin(), in.begin() + n1, pred); |
| invoke_on_all_policies(test_one_policy(), in.cbegin(), in.cbegin() + n1, pred); |
| } |
| } |
| |
| template <typename T> |
| struct LocalWrapper |
| { |
| explicit LocalWrapper(std::size_t k) : my_val(k) {} |
| |
| private: |
| T my_val; |
| }; |
| |
| struct test_non_const |
| { |
| template <typename Policy, typename Iterator> |
| void |
| operator()(Policy&& exec, Iterator iter) |
| { |
| auto is_even = [&](float64_t v) { |
| uint32_t i = (uint32_t)v; |
| return i % 2 == 0; |
| }; |
| invoke_if(exec, [&]() { is_partitioned(exec, iter, iter, non_const(is_even)); }); |
| } |
| }; |
| |
| int |
| main() |
| { |
| test<float64_t>([](const float64_t x) { return x < 0; }); |
| test<int32_t>([](const int32_t x) { return x > 1000; }); |
| test<uint16_t>([](const uint16_t x) { return x % 5 < 3; }); |
| #if !defined(_PSTL_ICC_18_TEST_EARLY_EXIT_MONOTONIC_RELEASE_BROKEN) && !defined(_PSTL_ICC_19_TEST_IS_PARTITIONED_RELEASE_BROKEN) |
| test<LocalWrapper<float64_t>>([](const LocalWrapper<float64_t>&) { return true; }); |
| #endif |
| |
| test_algo_basic_single<int32_t>(run_for_rnd_fw<test_non_const>()); |
| |
| std::cout << done() << std::endl; |
| return 0; |
| } |