| // -*- C++ -*- |
| // { dg-options "-std=gnu++17 -ltbb" } |
| // { dg-do run { target c++17 } } |
| // { dg-require-effective-target tbb-backend } |
| |
| //===-- find_first_of.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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "pstl/pstl_test_config.h" |
| |
| #ifdef PSTL_STANDALONE_TESTS |
| #include "pstl/execution" |
| #include "pstl/algorithm" |
| #else |
| #include <execution> |
| #include <algorithm> |
| #endif // PSTL_STANDALONE_TESTS |
| |
| #include "pstl/test_utils.h" |
| |
| using namespace TestUtils; |
| |
| struct test_one_policy |
| { |
| #if __PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN || \ |
| __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 Predicate> |
| void |
| operator()(pstl::execution::unsequenced_policy, Iterator1 b, Iterator1 e, Iterator2 bsub, Iterator2 esub, |
| Predicate pred) |
| { |
| } |
| template <typename Iterator1, typename Iterator2, typename Predicate> |
| void |
| operator()(pstl::execution::parallel_unsequenced_policy, Iterator1 b, Iterator1 e, Iterator2 bsub, Iterator2 esub, |
| Predicate pred) |
| { |
| } |
| #endif |
| |
| template <typename ExecutionPolicy, typename Iterator1, typename Iterator2, typename Predicate> |
| void |
| operator()(ExecutionPolicy&& exec, Iterator1 b, Iterator1 e, Iterator2 bsub, Iterator2 esub, Predicate pred) |
| { |
| using namespace std; |
| Iterator1 expected = find_first_of(b, e, bsub, esub, pred); |
| Iterator1 actual = find_first_of(exec, b, e, bsub, esub, pred); |
| EXPECT_TRUE(actual == expected, "wrong return result from find_first_of with a predicate"); |
| |
| expected = find_first_of(b, e, bsub, esub); |
| actual = find_first_of(exec, b, e, bsub, esub); |
| EXPECT_TRUE(actual == expected, "wrong return result from find_first_of"); |
| } |
| }; |
| |
| template <typename T, typename Predicate> |
| void |
| test(Predicate pred) |
| { |
| |
| const std::size_t max_n1 = 1000; |
| const std::size_t max_n2 = (max_n1 * 10) / 8; |
| Sequence<T> in1(max_n1, [](std::size_t k) { return T(1); }); |
| Sequence<T> in2(max_n2, [](std::size_t k) { return T(0); }); |
| for (std::size_t n1 = 0; n1 <= max_n1; n1 = n1 <= 16 ? n1 + 1 : size_t(3.1415 * n1)) |
| { |
| std::size_t sub_n[] = {0, 1, n1 / 3, n1, (n1 * 10) / 8}; |
| for (const auto n2 : sub_n) |
| { |
| invoke_on_all_policies(test_one_policy(), in1.begin(), in1.begin() + n1, in2.data(), in2.data() + n2, pred); |
| |
| in2[n2 / 2] = T(1); |
| invoke_on_all_policies(test_one_policy(), in1.cbegin(), in1.cbegin() + n1, in2.data(), in2.data() + n2, |
| pred); |
| |
| if (n2 >= 3) |
| { |
| in2[2 * n2 / 3] = T(1); |
| invoke_on_all_policies(test_one_policy(), in1.cbegin(), in1.cbegin() + n1, in2.begin(), |
| in2.begin() + n2, pred); |
| in2[2 * n2 / 3] = T(0); |
| } |
| in2[n2 / 2] = T(0); |
| } |
| } |
| invoke_on_all_policies(test_one_policy(), in1.begin(), in1.begin() + max_n1 / 10, in1.data(), |
| in1.data() + max_n1 / 10, pred); |
| } |
| |
| template <typename T> |
| struct test_non_const |
| { |
| template <typename Policy, typename FirstIterator, typename SecondInterator> |
| void |
| operator()(Policy&& exec, FirstIterator first_iter, SecondInterator second_iter) |
| { |
| invoke_if(exec, [&]() { |
| find_first_of(exec, first_iter, first_iter, second_iter, second_iter, non_const(std::equal_to<T>())); |
| }); |
| } |
| }; |
| |
| int32_t |
| main() |
| { |
| test<int32_t>(std::equal_to<int32_t>()); |
| test<uint16_t>(std::not_equal_to<uint16_t>()); |
| test<float64_t>([](const float64_t x, const float64_t y) { return x * x == y * y; }); |
| |
| test_algo_basic_double<int32_t>(run_for_rnd_fw<test_non_const<int32_t>>()); |
| |
| std::cout << done() << std::endl; |
| return 0; |
| } |