1 // -*- C++ -*- 2 //===-- none_of.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 #include "support/pstl_test_config.h" 11 12 #include <execution> 13 #include <algorithm> 14 15 #include "support/utils.h" 16 17 /* 18 TODO: consider implementing the following tests for a better code coverage 19 - correctness 20 - bad input argument (if applicable) 21 - data corruption around/of input and output 22 - correctly work with nested parallelism 23 - check that algorithm does not require anything more than is described in its requirements section 24 */ 25 26 using namespace TestUtils; 27 28 struct test_none_of 29 { 30 template <typename ExecutionPolicy, typename Iterator, typename Predicate> 31 void 32 operator()(ExecutionPolicy&& exec, Iterator begin, Iterator end, Predicate pred, bool expected) 33 { 34 35 auto actualr = std::none_of(exec, begin, end, pred); 36 EXPECT_EQ(expected, actualr, "result for none_of"); 37 } 38 }; 39 40 template <typename T> 41 void 42 test(size_t bits) 43 { 44 for (size_t n = 0; n <= 100000; n = n <= 16 ? n + 1 : size_t(3.1415 * n)) 45 { 46 47 // Sequence of odd values 48 Sequence<T> in(n, [n, bits](size_t k) { return T(2 * HashBits(n, bits - 1) ^ 1); }); 49 50 // Even value, or false when T is bool. 51 T spike(2 * HashBits(n, bits - 1)); 52 53 invoke_on_all_policies(test_none_of(), in.begin(), in.end(), is_equal_to<T>(spike), true); 54 invoke_on_all_policies(test_none_of(), in.cbegin(), in.cend(), is_equal_to<T>(spike), true); 55 if (n > 0) 56 { 57 // Sprinkle in a hit 58 in[2 * n / 3] = spike; 59 invoke_on_all_policies(test_none_of(), in.begin(), in.end(), is_equal_to<T>(spike), false); 60 invoke_on_all_policies(test_none_of(), in.cbegin(), in.cend(), is_equal_to<T>(spike), false); 61 62 // Sprinkle in a few more hits 63 in[n / 3] = spike; 64 in[n / 2] = spike; 65 invoke_on_all_policies(test_none_of(), in.begin(), in.end(), is_equal_to<T>(spike), false); 66 invoke_on_all_policies(test_none_of(), in.cbegin(), in.cend(), is_equal_to<T>(spike), false); 67 } 68 } 69 } 70 71 struct test_non_const 72 { 73 template <typename Policy, typename Iterator> 74 void 75 operator()(Policy&& exec, Iterator iter) 76 { 77 auto is_even = [&](float64_t v) { 78 uint32_t i = (uint32_t)v; 79 return i % 2 == 0; 80 }; 81 none_of(exec, iter, iter, non_const(is_even)); 82 } 83 }; 84 85 int32_t 86 main() 87 { 88 test<int32_t>(8 * sizeof(int32_t)); 89 test<uint16_t>(8 * sizeof(uint16_t)); 90 test<float64_t>(53); 91 #if !_PSTL_ICC_16_17_TEST_REDUCTION_BOOL_TYPE_RELEASE_64_BROKEN 92 test<bool>(1); 93 #endif 94 95 test_algo_basic_single<int32_t>(run_for_rnd_fw<test_non_const>()); 96 97 std::cout << done() << std::endl; 98 return 0; 99 } 100