1 // -*- C++ -*- 2 //===-- remove.pass.cpp ---------------------------------------------------===// 3 // 4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5 // See https://llvm.org/LICENSE.txt for license information. 6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 // Test for remove, remove_if 11 #include "support/pstl_test_config.h" 12 13 #ifdef PSTL_STANDALONE_TESTS 14 #include "pstl/execution" 15 #include "pstl/algorithm" 16 #else 17 #include <execution> 18 #include <algorithm> 19 #endif // PSTL_STANDALONE_TESTS 20 21 #include "support/utils.h" 22 23 using namespace TestUtils; 24 25 struct run_remove 26 { 27 #if __PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN || \ 28 __PSTL_ICC_16_VC14_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN //dummy specialization by policy type, in case of broken configuration 29 template <typename InputIterator, typename OutputIterator, typename Size, typename T> 30 void 31 operator()(pstl::execution::unsequenced_policy, InputIterator first, InputIterator last, OutputIterator out_first, 32 OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size n, 33 const T& value) 34 { 35 } 36 template <typename InputIterator, typename OutputIterator, typename Size, typename T> 37 void 38 operator()(pstl::execution::parallel_unsequenced_policy, InputIterator first, InputIterator last, 39 OutputIterator out_first, OutputIterator out_last, OutputIterator expected_first, 40 OutputIterator expected_last, Size n, const T& value) 41 { 42 } 43 #endif 44 45 template <typename Policy, typename InputIterator, typename OutputIterator, typename Size, typename T> 46 void 47 operator()(Policy&& exec, InputIterator first, InputIterator last, OutputIterator out_first, 48 OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size, 49 const T& value) 50 { 51 // Cleaning 52 std::copy(first, last, expected_first); 53 std::copy(first, last, out_first); 54 55 // Run remove 56 OutputIterator i = remove(expected_first, expected_last, value); 57 OutputIterator k = remove(exec, out_first, out_last, value); 58 EXPECT_TRUE(std::distance(expected_first, i) == std::distance(out_first, k), "wrong return value from remove"); 59 EXPECT_EQ_N(expected_first, out_first, std::distance(expected_first, i), "wrong remove effect"); 60 } 61 }; 62 63 struct run_remove_if 64 { 65 #if __PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN || \ 66 __PSTL_ICC_16_VC14_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN //dummy specialization by policy type, in case of broken configuration 67 template <typename InputIterator, typename OutputIterator, typename Size, typename Predicate> 68 void 69 operator()(pstl::execution::unsequenced_policy, InputIterator first, InputIterator last, OutputIterator out_first, 70 OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size n, 71 Predicate pred) 72 { 73 } 74 template <typename InputIterator, typename OutputIterator, typename Size, typename Predicate> 75 void 76 operator()(pstl::execution::parallel_unsequenced_policy, InputIterator first, InputIterator last, 77 OutputIterator out_first, OutputIterator out_last, OutputIterator expected_first, 78 OutputIterator expected_last, Size n, Predicate pred) 79 { 80 } 81 #endif 82 83 template <typename Policy, typename InputIterator, typename OutputIterator, typename Size, typename Predicate> 84 void 85 operator()(Policy&& exec, InputIterator first, InputIterator last, OutputIterator out_first, 86 OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size, 87 Predicate pred) 88 { 89 // Cleaning 90 std::copy(first, last, expected_first); 91 std::copy(first, last, out_first); 92 93 // Run remove_if 94 OutputIterator i = remove_if(expected_first, expected_last, pred); 95 OutputIterator k = remove_if(exec, out_first, out_last, pred); 96 EXPECT_TRUE(std::distance(expected_first, i) == std::distance(out_first, k), 97 "wrong return value from remove_if"); 98 EXPECT_EQ_N(expected_first, out_first, std::distance(expected_first, i), "wrong remove_if effect"); 99 } 100 }; 101 102 template <typename T, typename Predicate, typename Convert> 103 void 104 test(T trash, const T& value, Predicate pred, Convert convert) 105 { 106 const std::size_t max_size = 100000; 107 Sequence<T> out(max_size, [trash](size_t) { return trash; }); 108 Sequence<T> expected(max_size, [trash](size_t) { return trash; }); 109 110 for (size_t n = 0; n <= max_size; n = n <= 16 ? n + 1 : size_t(3.1415 * n)) 111 { 112 Sequence<T> data(n, [&](size_t k) -> T { return convert(k); }); 113 114 invoke_on_all_policies(run_remove(), data.begin(), data.end(), out.begin(), out.begin() + n, expected.begin(), 115 expected.begin() + n, n, value); 116 invoke_on_all_policies(run_remove_if(), data.begin(), data.end(), out.begin(), out.begin() + n, 117 expected.begin(), expected.begin() + n, n, pred); 118 } 119 } 120 121 struct test_non_const 122 { 123 template <typename Policy, typename Iterator> 124 void 125 operator()(Policy&& exec, Iterator iter) 126 { 127 auto is_even = [&](float64_t v) { 128 uint32_t i = (uint32_t)v; 129 return i % 2 == 0; 130 }; 131 132 invoke_if(exec, [&]() { remove_if(exec, iter, iter, non_const(is_even)); }); 133 } 134 }; 135 136 int32_t 137 main() 138 { 139 #if !__PSTL_ICC_18_TEST_EARLY_EXIT_MONOTONIC_RELEASE_BROKEN 140 test<int32_t>(666, 42, [](int32_t val) { return true; }, [](size_t j) { return j; }); 141 #endif 142 143 test<int32_t>(666, 2001, [](const int32_t& val) { return val != 2001; }, 144 [](size_t j) { return ((j + 1) % 5 & 2) != 0 ? 2001 : -1 - int32_t(j); }); 145 test<float64_t>(-666.0, 8.5, [](const float64_t& val) { return val != 8.5; }, 146 [](size_t j) { return ((j + 1) % 7 & 2) != 0 ? 8.5 : float64_t(j % 32 + j); }); 147 148 #if !__PSTL_ICC_17_TEST_MAC_RELEASE_32_BROKEN 149 test<Number>(Number(-666, OddTag()), Number(42, OddTag()), IsMultiple(3, OddTag()), 150 [](int32_t j) { return Number(j, OddTag()); }); 151 #endif 152 153 test_algo_basic_single<int32_t>(run_for_rnd_fw<test_non_const>()); 154 155 std::cout << done() << std::endl; 156 return 0; 157 } 158