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 // UNSUPPORTED: c++03, c++11, c++14 11 12 #include "support/pstl_test_config.h" 13 14 #include <execution> 15 #include <algorithm> 16 17 #include "support/utils.h" 18 19 /* 20 TODO: consider implementing the following tests for a better code coverage 21 - correctness 22 - bad input argument (if applicable) 23 - data corruption around/of input and output 24 - correctly work with nested parallelism 25 - check that algorithm does not require anything more than is described in its requirements section 26 */ 27 28 using namespace TestUtils; 29 30 struct test_none_of 31 { 32 template <typename ExecutionPolicy, typename Iterator, typename Predicate> 33 void 34 operator()(ExecutionPolicy&& exec, Iterator begin, Iterator end, Predicate pred, bool expected) 35 { 36 37 auto actualr = std::none_of(exec, begin, end, pred); 38 EXPECT_EQ(expected, actualr, "result for none_of"); 39 } 40 }; 41 42 template <typename T> 43 void 44 test(size_t bits) 45 { 46 for (size_t n = 0; n <= 100000; n = n <= 16 ? n + 1 : size_t(3.1415 * n)) 47 { 48 49 // Sequence of odd values 50 Sequence<T> in(n, [n, bits](size_t) { return T(2 * HashBits(n, bits - 1) ^ 1); }); 51 52 // Even value, or false when T is bool. 53 T spike(2 * HashBits(n, bits - 1)); 54 55 invoke_on_all_policies(test_none_of(), in.begin(), in.end(), is_equal_to<T>(spike), true); 56 invoke_on_all_policies(test_none_of(), in.cbegin(), in.cend(), is_equal_to<T>(spike), true); 57 if (n > 0) 58 { 59 // Sprinkle in a hit 60 in[2 * n / 3] = spike; 61 invoke_on_all_policies(test_none_of(), in.begin(), in.end(), is_equal_to<T>(spike), false); 62 invoke_on_all_policies(test_none_of(), in.cbegin(), in.cend(), is_equal_to<T>(spike), false); 63 64 // Sprinkle in a few more hits 65 in[n / 3] = spike; 66 in[n / 2] = spike; 67 invoke_on_all_policies(test_none_of(), in.begin(), in.end(), is_equal_to<T>(spike), false); 68 invoke_on_all_policies(test_none_of(), in.cbegin(), in.cend(), is_equal_to<T>(spike), false); 69 } 70 } 71 } 72 73 struct test_non_const 74 { 75 template <typename Policy, typename Iterator> 76 void 77 operator()(Policy&& exec, Iterator iter) 78 { 79 auto is_even = [&](float64_t v) { 80 uint32_t i = (uint32_t)v; 81 return i % 2 == 0; 82 }; 83 none_of(exec, iter, iter, non_const(is_even)); 84 } 85 }; 86 87 int 88 main() 89 { 90 test<int32_t>(8 * sizeof(int32_t)); 91 test<uint16_t>(8 * sizeof(uint16_t)); 92 test<float64_t>(53); 93 #if !_PSTL_ICC_16_17_TEST_REDUCTION_BOOL_TYPE_RELEASE_64_BROKEN 94 test<bool>(1); 95 #endif 96 97 test_algo_basic_single<int32_t>(run_for_rnd_fw<test_non_const>()); 98 99 std::cout << done() << std::endl; 100 return 0; 101 } 102