projects / thirdparty / gcc.git / blame
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| a945c346 | 1 | // Copyright (C) 2020-2024 Free Software Foundation, Inc. |
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2 | // |
| 3 | // This file is part of the GNU ISO C++ Library. This library is free | |
| 4 | // software; you can redistribute it and/or modify it under the | |
| 5 | // terms of the GNU General Public License as published by the | |
| 6 | // Free Software Foundation; either version 3, or (at your option) | |
| 7 | // any later version. | |
| 8 | // | |
| 9 | // This library is distributed in the hope that it will be useful, | |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | // GNU General Public License for more details. | |
| 13 | // | |
| 14 | // You should have received a copy of the GNU General Public License along | |
| 15 | // with this library; see the file COPYING3. If not see | |
| 16 | // <http://www.gnu.org/licenses/>. | |
| 17 | ||
| aa89c53c | 18 | // expensive: * [1-9] * * |
| 073df3e7 | 19 | #include "bits/main.h" |
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20 | |
| 21 | template <typename V> | |
| 22 | void | |
| 23 | test() | |
| 24 | { | |
| 25 | using M = typename V::mask_type; | |
| 26 | const M alternating_mask = make_alternating_mask<M>(); | |
| 27 | COMPARE(alternating_mask[0], false); // assumption below | |
| 28 | auto&& gen = make_mask<M>; | |
| 29 | ||
| 30 | // all_of | |
| 31 | VERIFY(all_of(M{true})); | |
| 32 | VERIFY(!all_of(alternating_mask)); | |
| 33 | VERIFY(!all_of(M{false})); | |
| 34 | using std::experimental::all_of; | |
| 35 | VERIFY(all_of(true)); | |
| 36 | VERIFY(!all_of(false)); | |
| 37 | VERIFY(sfinae_is_callable<bool>( | |
| 38 | [](auto x) -> decltype(std::experimental::all_of(x)) { return {}; })); | |
| 39 | VERIFY(!sfinae_is_callable<int>( | |
| 40 | [](auto x) -> decltype(std::experimental::all_of(x)) { return {}; })); | |
| 41 | VERIFY(!sfinae_is_callable<float>( | |
| 42 | [](auto x) -> decltype(std::experimental::all_of(x)) { return {}; })); | |
| 43 | VERIFY(!sfinae_is_callable<char>( | |
| 44 | [](auto x) -> decltype(std::experimental::all_of(x)) { return {}; })); | |
| 45 | ||
| 46 | // any_of | |
| 47 | VERIFY(any_of(M{true})); | |
| 48 | COMPARE(any_of(alternating_mask), M::size() > 1); | |
| 49 | VERIFY(!any_of(M{false})); | |
| 50 | using std::experimental::any_of; | |
| 51 | VERIFY(any_of(true)); | |
| 52 | VERIFY(!any_of(false)); | |
| 53 | VERIFY(sfinae_is_callable<bool>( | |
| 54 | [](auto x) -> decltype(std::experimental::any_of(x)) { return {}; })); | |
| 55 | VERIFY(!sfinae_is_callable<int>( | |
| 56 | [](auto x) -> decltype(std::experimental::any_of(x)) { return {}; })); | |
| 57 | VERIFY(!sfinae_is_callable<float>( | |
| 58 | [](auto x) -> decltype(std::experimental::any_of(x)) { return {}; })); | |
| 59 | VERIFY(!sfinae_is_callable<char>( | |
| 60 | [](auto x) -> decltype(std::experimental::any_of(x)) { return {}; })); | |
| 61 | ||
| 62 | // none_of | |
| 63 | VERIFY(!none_of(M{true})); | |
| 64 | COMPARE(none_of(alternating_mask), M::size() == 1); | |
| 65 | VERIFY(none_of(M{false})); | |
| 66 | using std::experimental::none_of; | |
| 67 | VERIFY(!none_of(true)); | |
| 68 | VERIFY(none_of(false)); | |
| 69 | VERIFY(sfinae_is_callable<bool>( | |
| 70 | [](auto x) -> decltype(std::experimental::none_of(x)) { return {}; })); | |
| 71 | VERIFY(!sfinae_is_callable<int>( | |
| 72 | [](auto x) -> decltype(std::experimental::none_of(x)) { return {}; })); | |
| 73 | VERIFY(!sfinae_is_callable<float>( | |
| 74 | [](auto x) -> decltype(std::experimental::none_of(x)) { return {}; })); | |
| 75 | VERIFY(!sfinae_is_callable<char>( | |
| 76 | [](auto x) -> decltype(std::experimental::none_of(x)) { return {}; })); | |
| 77 | ||
| 78 | // some_of | |
| 79 | VERIFY(!some_of(M{true})); | |
| 80 | VERIFY(!some_of(M{false})); | |
| 81 | if (M::size() > 1) | |
| 82 | { | |
| 83 | VERIFY(some_of(gen({true, false}))); | |
| 84 | VERIFY(some_of(gen({false, true}))); | |
| 85 | if (M::size() > 3) | |
| 86 | { | |
| 87 | VERIFY(some_of(gen({0, 0, 0, 1}))); | |
| 88 | } | |
| 89 | } | |
| 90 | using std::experimental::some_of; | |
| 91 | VERIFY(!some_of(true)); | |
| 92 | VERIFY(!some_of(false)); | |
| 93 | VERIFY(sfinae_is_callable<bool>( | |
| 94 | [](auto x) -> decltype(std::experimental::some_of(x)) { return {}; })); | |
| 95 | VERIFY(!sfinae_is_callable<int>( | |
| 96 | [](auto x) -> decltype(std::experimental::some_of(x)) { return {}; })); | |
| 97 | VERIFY(!sfinae_is_callable<float>( | |
| 98 | [](auto x) -> decltype(std::experimental::some_of(x)) { return {}; })); | |
| 99 | VERIFY(!sfinae_is_callable<char>( | |
| 100 | [](auto x) -> decltype(std::experimental::some_of(x)) { return {}; })); | |
| 101 | ||
| 102 | // popcount | |
| 103 | COMPARE(popcount(M{true}), int(M::size())); | |
| 104 | COMPARE(popcount(alternating_mask), int(M::size()) / 2); | |
| 105 | COMPARE(popcount(M{false}), 0); | |
| 106 | COMPARE(popcount(gen({0, 0, 1})), int(M::size()) / 3); | |
| 107 | COMPARE(popcount(gen({0, 0, 0, 1})), int(M::size()) / 4); | |
| 108 | COMPARE(popcount(gen({0, 0, 0, 0, 1})), int(M::size()) / 5); | |
| 109 | COMPARE(std::experimental::popcount(true), 1); | |
| 110 | COMPARE(std::experimental::popcount(false), 0); | |
| 111 | VERIFY(sfinae_is_callable<bool>( | |
| 112 | [](auto x) -> decltype(std::experimental::popcount(x)) { return {}; })); | |
| 113 | VERIFY(!sfinae_is_callable<int>( | |
| 114 | [](auto x) -> decltype(std::experimental::popcount(x)) { return {}; })); | |
| 115 | VERIFY(!sfinae_is_callable<float>( | |
| 116 | [](auto x) -> decltype(std::experimental::popcount(x)) { return {}; })); | |
| 117 | VERIFY(!sfinae_is_callable<char>( | |
| 118 | [](auto x) -> decltype(std::experimental::popcount(x)) { return {}; })); | |
| 119 | ||
| 120 | // find_first_set | |
| 121 | { | |
| 122 | M x(false); | |
| 123 | for (int i = int(M::size() / 2 - 1); i >= 0; --i) | |
| 124 | { | |
| 125 | x[i] = true; | |
| 126 | COMPARE(find_first_set(x), i) << x; | |
| 127 | } | |
| 128 | x = M(false); | |
| 129 | for (int i = int(M::size() - 1); i >= 0; --i) | |
| 130 | { | |
| 131 | x[i] = true; | |
| 132 | COMPARE(find_first_set(x), i) << x; | |
| 133 | } | |
| 134 | } | |
| 135 | COMPARE(find_first_set(M{true}), 0); | |
| 136 | if (M::size() > 1) | |
| 137 | { | |
| 138 | COMPARE(find_first_set(gen({0, 1})), 1); | |
| 139 | } | |
| 140 | if (M::size() > 2) | |
| 141 | { | |
| 142 | COMPARE(find_first_set(gen({0, 0, 1})), 2); | |
| 143 | } | |
| 144 | COMPARE(std::experimental::find_first_set(true), 0); | |
| 145 | VERIFY(sfinae_is_callable<bool>( | |
| 146 | [](auto x) -> decltype(std::experimental::find_first_set(x)) { | |
| 147 | return {}; | |
| 148 | })); | |
| 149 | VERIFY(!sfinae_is_callable<int>( | |
| 150 | [](auto x) -> decltype(std::experimental::find_first_set(x)) { | |
| 151 | return {}; | |
| 152 | })); | |
| 153 | VERIFY(!sfinae_is_callable<float>( | |
| 154 | [](auto x) -> decltype(std::experimental::find_first_set(x)) { | |
| 155 | return {}; | |
| 156 | })); | |
| 157 | VERIFY(!sfinae_is_callable<char>( | |
| 158 | [](auto x) -> decltype(std::experimental::find_first_set(x)) { | |
| 159 | return {}; | |
| 160 | })); | |
| 161 | ||
| 162 | // find_last_set | |
| 163 | { | |
| 164 | M x(false); | |
| 165 | for (int i = 0; i < int(M::size()); ++i) | |
| 166 | { | |
| 167 | x[i] = true; | |
| 168 | COMPARE(find_last_set(x), i) << x; | |
| 169 | } | |
| 170 | } | |
| 171 | COMPARE(find_last_set(M{true}), int(M::size()) - 1); | |
| 172 | if (M::size() > 1) | |
| 173 | { | |
| 174 | COMPARE(find_last_set(gen({1, 0})), | |
| 175 | int(M::size()) - 2 + int(M::size() & 1)); | |
| 176 | } | |
| 177 | if (M::size() > 3 && (M::size() & 3) == 0) | |
| 178 | { | |
| 179 | COMPARE(find_last_set(gen({1, 0, 0, 0})), | |
| 180 | int(M::size()) - 4 - int(M::size() & 3)); | |
| 181 | } | |
| 182 | COMPARE(std::experimental::find_last_set(true), 0); | |
| 183 | VERIFY(sfinae_is_callable<bool>( | |
| 184 | [](auto x) -> decltype(std::experimental::find_last_set(x)) { | |
| 185 | return {}; | |
| 186 | })); | |
| 187 | VERIFY(!sfinae_is_callable<int>( | |
| 188 | [](auto x) -> decltype(std::experimental::find_last_set(x)) { | |
| 189 | return {}; | |
| 190 | })); | |
| 191 | VERIFY(!sfinae_is_callable<float>( | |
| 192 | [](auto x) -> decltype(std::experimental::find_last_set(x)) { | |
| 193 | return {}; | |
| 194 | })); | |
| 195 | VERIFY(!sfinae_is_callable<char>( | |
| 196 | [](auto x) -> decltype(std::experimental::find_last_set(x)) { | |
| 197 | return {}; | |
| 198 | })); | |
| 199 | } |