projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 83ffe9cd | 1 | // Copyright (C) 2020-2023 Free Software Foundation, Inc. |
| 02e32295 MK |
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] * * |
| 02e32295 MK |
19 | #include "bits/verify.h" |
| 20 | #include "bits/metahelpers.h" | |
| 21 | ||
| 22 | // simd_mask generator functions | |
| 23 | template <class M> | |
| 24 | M | |
| 25 | make_mask(const std::initializer_list<bool>& init) | |
| 26 | { | |
| 27 | std::size_t i = 0; | |
| 28 | M r = {}; | |
| 29 | for (;;) | |
| 30 | { | |
| 31 | for (bool x : init) | |
| 32 | { | |
| 33 | r[i] = x; | |
| 34 | if (++i == M::size()) | |
| 35 | { | |
| 36 | return r; | |
| 37 | } | |
| 38 | } | |
| 39 | } | |
| 40 | } | |
| 41 | ||
| 42 | template <class M> | |
| 43 | M | |
| 44 | make_alternating_mask() | |
| 45 | { | |
| 46 | return make_mask<M>({false, true}); | |
| 47 | } | |
| 48 | ||
| 49 | template <typename V> | |
| 50 | void | |
| 51 | test() | |
| 52 | { | |
| 53 | using M = typename V::mask_type; | |
| 54 | const M alternating_mask = make_alternating_mask<M>(); | |
| 55 | COMPARE(alternating_mask[0], false); // assumption below | |
| 56 | auto&& gen = make_mask<M>; | |
| 57 | ||
| 58 | // all_of | |
| 59 | VERIFY(all_of(M{true})); | |
| 60 | VERIFY(!all_of(alternating_mask)); | |
| 61 | VERIFY(!all_of(M{false})); | |
| 62 | using std::experimental::all_of; | |
| 63 | VERIFY(all_of(true)); | |
| 64 | VERIFY(!all_of(false)); | |
| 65 | VERIFY(sfinae_is_callable<bool>( | |
| 66 | [](auto x) -> decltype(std::experimental::all_of(x)) { return {}; })); | |
| 67 | VERIFY(!sfinae_is_callable<int>( | |
| 68 | [](auto x) -> decltype(std::experimental::all_of(x)) { return {}; })); | |
| 69 | VERIFY(!sfinae_is_callable<float>( | |
| 70 | [](auto x) -> decltype(std::experimental::all_of(x)) { return {}; })); | |
| 71 | VERIFY(!sfinae_is_callable<char>( | |
| 72 | [](auto x) -> decltype(std::experimental::all_of(x)) { return {}; })); | |
| 73 | ||
| 74 | // any_of | |
| 75 | VERIFY(any_of(M{true})); | |
| 76 | COMPARE(any_of(alternating_mask), M::size() > 1); | |
| 77 | VERIFY(!any_of(M{false})); | |
| 78 | using std::experimental::any_of; | |
| 79 | VERIFY(any_of(true)); | |
| 80 | VERIFY(!any_of(false)); | |
| 81 | VERIFY(sfinae_is_callable<bool>( | |
| 82 | [](auto x) -> decltype(std::experimental::any_of(x)) { return {}; })); | |
| 83 | VERIFY(!sfinae_is_callable<int>( | |
| 84 | [](auto x) -> decltype(std::experimental::any_of(x)) { return {}; })); | |
| 85 | VERIFY(!sfinae_is_callable<float>( | |
| 86 | [](auto x) -> decltype(std::experimental::any_of(x)) { return {}; })); | |
| 87 | VERIFY(!sfinae_is_callable<char>( | |
| 88 | [](auto x) -> decltype(std::experimental::any_of(x)) { return {}; })); | |
| 89 | ||
| 90 | // none_of | |
| 91 | VERIFY(!none_of(M{true})); | |
| 92 | COMPARE(none_of(alternating_mask), M::size() == 1); | |
| 93 | VERIFY(none_of(M{false})); | |
| 94 | using std::experimental::none_of; | |
| 95 | VERIFY(!none_of(true)); | |
| 96 | VERIFY(none_of(false)); | |
| 97 | VERIFY(sfinae_is_callable<bool>( | |
| 98 | [](auto x) -> decltype(std::experimental::none_of(x)) { return {}; })); | |
| 99 | VERIFY(!sfinae_is_callable<int>( | |
| 100 | [](auto x) -> decltype(std::experimental::none_of(x)) { return {}; })); | |
| 101 | VERIFY(!sfinae_is_callable<float>( | |
| 102 | [](auto x) -> decltype(std::experimental::none_of(x)) { return {}; })); | |
| 103 | VERIFY(!sfinae_is_callable<char>( | |
| 104 | [](auto x) -> decltype(std::experimental::none_of(x)) { return {}; })); | |
| 105 | ||
| 106 | // some_of | |
| 107 | VERIFY(!some_of(M{true})); | |
| 108 | VERIFY(!some_of(M{false})); | |
| 109 | if (M::size() > 1) | |
| 110 | { | |
| 111 | VERIFY(some_of(gen({true, false}))); | |
| 112 | VERIFY(some_of(gen({false, true}))); | |
| 113 | if (M::size() > 3) | |
| 114 | { | |
| 115 | VERIFY(some_of(gen({0, 0, 0, 1}))); | |
| 116 | } | |
| 117 | } | |
| 118 | using std::experimental::some_of; | |
| 119 | VERIFY(!some_of(true)); | |
| 120 | VERIFY(!some_of(false)); | |
| 121 | VERIFY(sfinae_is_callable<bool>( | |
| 122 | [](auto x) -> decltype(std::experimental::some_of(x)) { return {}; })); | |
| 123 | VERIFY(!sfinae_is_callable<int>( | |
| 124 | [](auto x) -> decltype(std::experimental::some_of(x)) { return {}; })); | |
| 125 | VERIFY(!sfinae_is_callable<float>( | |
| 126 | [](auto x) -> decltype(std::experimental::some_of(x)) { return {}; })); | |
| 127 | VERIFY(!sfinae_is_callable<char>( | |
| 128 | [](auto x) -> decltype(std::experimental::some_of(x)) { return {}; })); | |
| 129 | ||
| 130 | // popcount | |
| 131 | COMPARE(popcount(M{true}), int(M::size())); | |
| 132 | COMPARE(popcount(alternating_mask), int(M::size()) / 2); | |
| 133 | COMPARE(popcount(M{false}), 0); | |
| 134 | COMPARE(popcount(gen({0, 0, 1})), int(M::size()) / 3); | |
| 135 | COMPARE(popcount(gen({0, 0, 0, 1})), int(M::size()) / 4); | |
| 136 | COMPARE(popcount(gen({0, 0, 0, 0, 1})), int(M::size()) / 5); | |
| 137 | COMPARE(std::experimental::popcount(true), 1); | |
| 138 | COMPARE(std::experimental::popcount(false), 0); | |
| 139 | VERIFY(sfinae_is_callable<bool>( | |
| 140 | [](auto x) -> decltype(std::experimental::popcount(x)) { return {}; })); | |
| 141 | VERIFY(!sfinae_is_callable<int>( | |
| 142 | [](auto x) -> decltype(std::experimental::popcount(x)) { return {}; })); | |
| 143 | VERIFY(!sfinae_is_callable<float>( | |
| 144 | [](auto x) -> decltype(std::experimental::popcount(x)) { return {}; })); | |
| 145 | VERIFY(!sfinae_is_callable<char>( | |
| 146 | [](auto x) -> decltype(std::experimental::popcount(x)) { return {}; })); | |
| 147 | ||
| 148 | // find_first_set | |
| 149 | { | |
| 150 | M x(false); | |
| 151 | for (int i = int(M::size() / 2 - 1); i >= 0; --i) | |
| 152 | { | |
| 153 | x[i] = true; | |
| 154 | COMPARE(find_first_set(x), i) << x; | |
| 155 | } | |
| 156 | x = M(false); | |
| 157 | for (int i = int(M::size() - 1); i >= 0; --i) | |
| 158 | { | |
| 159 | x[i] = true; | |
| 160 | COMPARE(find_first_set(x), i) << x; | |
| 161 | } | |
| 162 | } | |
| 163 | COMPARE(find_first_set(M{true}), 0); | |
| 164 | if (M::size() > 1) | |
| 165 | { | |
| 166 | COMPARE(find_first_set(gen({0, 1})), 1); | |
| 167 | } | |
| 168 | if (M::size() > 2) | |
| 169 | { | |
| 170 | COMPARE(find_first_set(gen({0, 0, 1})), 2); | |
| 171 | } | |
| 172 | COMPARE(std::experimental::find_first_set(true), 0); | |
| 173 | VERIFY(sfinae_is_callable<bool>( | |
| 174 | [](auto x) -> decltype(std::experimental::find_first_set(x)) { | |
| 175 | return {}; | |
| 176 | })); | |
| 177 | VERIFY(!sfinae_is_callable<int>( | |
| 178 | [](auto x) -> decltype(std::experimental::find_first_set(x)) { | |
| 179 | return {}; | |
| 180 | })); | |
| 181 | VERIFY(!sfinae_is_callable<float>( | |
| 182 | [](auto x) -> decltype(std::experimental::find_first_set(x)) { | |
| 183 | return {}; | |
| 184 | })); | |
| 185 | VERIFY(!sfinae_is_callable<char>( | |
| 186 | [](auto x) -> decltype(std::experimental::find_first_set(x)) { | |
| 187 | return {}; | |
| 188 | })); | |
| 189 | ||
| 190 | // find_last_set | |
| 191 | { | |
| 192 | M x(false); | |
| 193 | for (int i = 0; i < int(M::size()); ++i) | |
| 194 | { | |
| 195 | x[i] = true; | |
| 196 | COMPARE(find_last_set(x), i) << x; | |
| 197 | } | |
| 198 | } | |
| 199 | COMPARE(find_last_set(M{true}), int(M::size()) - 1); | |
| 200 | if (M::size() > 1) | |
| 201 | { | |
| 202 | COMPARE(find_last_set(gen({1, 0})), | |
| 203 | int(M::size()) - 2 + int(M::size() & 1)); | |
| 204 | } | |
| 205 | if (M::size() > 3 && (M::size() & 3) == 0) | |
| 206 | { | |
| 207 | COMPARE(find_last_set(gen({1, 0, 0, 0})), | |
| 208 | int(M::size()) - 4 - int(M::size() & 3)); | |
| 209 | } | |
| 210 | COMPARE(std::experimental::find_last_set(true), 0); | |
| 211 | VERIFY(sfinae_is_callable<bool>( | |
| 212 | [](auto x) -> decltype(std::experimental::find_last_set(x)) { | |
| 213 | return {}; | |
| 214 | })); | |
| 215 | VERIFY(!sfinae_is_callable<int>( | |
| 216 | [](auto x) -> decltype(std::experimental::find_last_set(x)) { | |
| 217 | return {}; | |
| 218 | })); | |
| 219 | VERIFY(!sfinae_is_callable<float>( | |
| 220 | [](auto x) -> decltype(std::experimental::find_last_set(x)) { | |
| 221 | return {}; | |
| 222 | })); | |
| 223 | VERIFY(!sfinae_is_callable<char>( | |
| 224 | [](auto x) -> decltype(std::experimental::find_last_set(x)) { | |
| 225 | return {}; | |
| 226 | })); | |
| 227 | } |