1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 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#ifndef _LIBCPP_BITSET 11#define _LIBCPP_BITSET 12 13// clang-format off 14 15/* 16 bitset synopsis 17 18namespace std 19{ 20 21namespace std { 22 23template <size_t N> 24class bitset 25{ 26public: 27 // bit reference: 28 class reference 29 { 30 friend class bitset; 31 reference() noexcept; 32 public: 33 ~reference() noexcept; 34 reference& operator=(bool x) noexcept; // for b[i] = x; 35 reference& operator=(const reference&) noexcept; // for b[i] = b[j]; 36 bool operator~() const noexcept; // flips the bit 37 operator bool() const noexcept; // for x = b[i]; 38 reference& flip() noexcept; // for b[i].flip(); 39 }; 40 41 // 23.3.5.1 constructors: 42 constexpr bitset() noexcept; 43 constexpr bitset(unsigned long long val) noexcept; 44 template <class charT> 45 constexpr explicit bitset(const charT* str, 46 typename basic_string<charT>::size_type n = basic_string<charT>::npos, 47 charT zero = charT('0'), charT one = charT('1')); // until C++26, constexpr since C++23 48 template <class charT> 49 constexpr explicit bitset(const charT* str, 50 typename basic_string_view<charT>::size_type n = basic_string_view<charT>::npos, 51 charT zero = charT('0'), charT one = charT('1')); // since C++26 52 template<class charT, class traits> 53 explicit bitset( 54 const basic_string_view<charT,traits>& str, 55 typename basic_string_view<charT,traits>::size_type pos = 0, 56 typename basic_string_view<charT,traits>::size_type n = basic_string_view<charT,traits>::npos, 57 charT zero = charT('0'), charT one = charT('1')); // since C++26 58 template<class charT, class traits, class Allocator> 59 constexpr explicit bitset( 60 const basic_string<charT,traits,Allocator>& str, 61 typename basic_string<charT,traits,Allocator>::size_type pos = 0, 62 typename basic_string<charT,traits,Allocator>::size_type n = basic_string<charT,traits,Allocator>::npos, 63 charT zero = charT('0'), charT one = charT('1')); // constexpr since C++23 64 65 // 23.3.5.2 bitset operations: 66 bitset& operator&=(const bitset& rhs) noexcept; // constexpr since C++23 67 bitset& operator|=(const bitset& rhs) noexcept; // constexpr since C++23 68 bitset& operator^=(const bitset& rhs) noexcept; // constexpr since C++23 69 bitset& operator<<=(size_t pos) noexcept; // constexpr since C++23 70 bitset& operator>>=(size_t pos) noexcept; // constexpr since C++23 71 bitset& set() noexcept; // constexpr since C++23 72 bitset& set(size_t pos, bool val = true); // constexpr since C++23 73 bitset& reset() noexcept; // constexpr since C++23 74 bitset& reset(size_t pos); // constexpr since C++23 75 bitset operator~() const noexcept; // constexpr since C++23 76 bitset& flip() noexcept; // constexpr since C++23 77 bitset& flip(size_t pos); // constexpr since C++23 78 79 // element access: 80 constexpr bool operator[](size_t pos) const; 81 reference operator[](size_t pos); // constexpr since C++23 82 unsigned long to_ulong() const; // constexpr since C++23 83 unsigned long long to_ullong() const; // constexpr since C++23 84 template <class charT, class traits, class Allocator> // constexpr since C++23 85 basic_string<charT, traits, Allocator> to_string(charT zero = charT('0'), charT one = charT('1')) const; 86 template <class charT, class traits> // constexpr since C++23 87 basic_string<charT, traits, allocator<charT> > to_string(charT zero = charT('0'), charT one = charT('1')) const; 88 template <class charT> // constexpr since C++23 89 basic_string<charT, char_traits<charT>, allocator<charT> > to_string(charT zero = charT('0'), charT one = charT('1')) const; 90 basic_string<char, char_traits<char>, allocator<char> > to_string(char zero = '0', char one = '1') const; // constexpr since C++23 91 size_t count() const noexcept; // constexpr since C++23 92 constexpr size_t size() const noexcept; // constexpr since C++23 93 bool operator==(const bitset& rhs) const noexcept; // constexpr since C++23 94 bool operator!=(const bitset& rhs) const noexcept; // removed in C++20 95 bool test(size_t pos) const; // constexpr since C++23 96 bool all() const noexcept; // constexpr since C++23 97 bool any() const noexcept; // constexpr since C++23 98 bool none() const noexcept; // constexpr since C++23 99 bitset<N> operator<<(size_t pos) const noexcept; // constexpr since C++23 100 bitset<N> operator>>(size_t pos) const noexcept; // constexpr since C++23 101}; 102 103// 23.3.5.3 bitset operators: 104template <size_t N> 105bitset<N> operator&(const bitset<N>&, const bitset<N>&) noexcept; // constexpr since C++23 106 107template <size_t N> 108bitset<N> operator|(const bitset<N>&, const bitset<N>&) noexcept; // constexpr since C++23 109 110template <size_t N> 111bitset<N> operator^(const bitset<N>&, const bitset<N>&) noexcept; // constexpr since C++23 112 113template <class charT, class traits, size_t N> 114basic_istream<charT, traits>& 115operator>>(basic_istream<charT, traits>& is, bitset<N>& x); 116 117template <class charT, class traits, size_t N> 118basic_ostream<charT, traits>& 119operator<<(basic_ostream<charT, traits>& os, const bitset<N>& x); 120 121template <size_t N> struct hash<std::bitset<N>>; 122 123} // std 124 125*/ 126 127// clang-format on 128 129#include <__algorithm/count.h> 130#include <__algorithm/fill.h> 131#include <__algorithm/find.h> 132#include <__bit_reference> 133#include <__config> 134#include <__functional/hash.h> 135#include <__functional/unary_function.h> 136#include <__type_traits/is_char_like_type.h> 137#include <climits> 138#include <cstddef> 139#include <stdexcept> 140#include <string_view> 141#include <version> 142 143// standard-mandated includes 144 145// [bitset.syn] 146#include <iosfwd> 147#include <string> 148 149#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 150# pragma GCC system_header 151#endif 152 153_LIBCPP_PUSH_MACROS 154#include <__undef_macros> 155 156_LIBCPP_BEGIN_NAMESPACE_STD 157 158template <size_t _N_words, size_t _Size> 159class __bitset; 160 161template <size_t _N_words, size_t _Size> 162struct __has_storage_type<__bitset<_N_words, _Size> > { 163 static const bool value = true; 164}; 165 166template <size_t _N_words, size_t _Size> 167class __bitset { 168public: 169 typedef ptrdiff_t difference_type; 170 typedef size_t size_type; 171 typedef size_type __storage_type; 172 173protected: 174 typedef __bitset __self; 175 typedef __storage_type* __storage_pointer; 176 typedef const __storage_type* __const_storage_pointer; 177 static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT); 178 179 friend class __bit_reference<__bitset>; 180 friend class __bit_const_reference<__bitset>; 181 friend class __bit_iterator<__bitset, false>; 182 friend class __bit_iterator<__bitset, true>; 183 friend struct __bit_array<__bitset>; 184 185 __storage_type __first_[_N_words]; 186 187 typedef __bit_reference<__bitset> reference; 188 typedef __bit_const_reference<__bitset> const_reference; 189 typedef __bit_iterator<__bitset, false> iterator; 190 typedef __bit_iterator<__bitset, true> const_iterator; 191 192 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __bitset() _NOEXCEPT; 193 _LIBCPP_HIDE_FROM_ABI explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long __v) _NOEXCEPT; 194 195 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference __make_ref(size_t __pos) _NOEXCEPT { 196 return reference(__first_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word); 197 } 198 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR const_reference __make_ref(size_t __pos) const _NOEXCEPT { 199 return const_reference(__first_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word); 200 } 201 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 iterator __make_iter(size_t __pos) _NOEXCEPT { 202 return iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word); 203 } 204 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 const_iterator __make_iter(size_t __pos) const _NOEXCEPT { 205 return const_iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word); 206 } 207 208 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator&=(const __bitset& __v) _NOEXCEPT; 209 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator|=(const __bitset& __v) _NOEXCEPT; 210 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator^=(const __bitset& __v) _NOEXCEPT; 211 212 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void flip() _NOEXCEPT; 213 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const { 214 return to_ulong(integral_constant < bool, _Size< sizeof(unsigned long) * CHAR_BIT>()); 215 } 216 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const { 217 return to_ullong(integral_constant < bool, _Size< sizeof(unsigned long long) * CHAR_BIT>()); 218 } 219 220 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT; 221 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT; 222 _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT; 223 224private: 225#ifdef _LIBCPP_CXX03_LANG 226 void __init(unsigned long long __v, false_type) _NOEXCEPT; 227 _LIBCPP_HIDE_FROM_ABI void __init(unsigned long long __v, true_type) _NOEXCEPT; 228#endif // _LIBCPP_CXX03_LANG 229 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong(false_type) const; 230 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong(true_type) const; 231 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong(false_type) const; 232 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong(true_type) const; 233 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong(true_type, false_type) const; 234 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong(true_type, true_type) const; 235}; 236 237template <size_t _N_words, size_t _Size> 238inline _LIBCPP_CONSTEXPR __bitset<_N_words, _Size>::__bitset() _NOEXCEPT 239#ifndef _LIBCPP_CXX03_LANG 240 : __first_{0} 241#endif 242{ 243#ifdef _LIBCPP_CXX03_LANG 244 std::fill_n(__first_, _N_words, __storage_type(0)); 245#endif 246} 247 248#ifdef _LIBCPP_CXX03_LANG 249 250template <size_t _N_words, size_t _Size> 251void __bitset<_N_words, _Size>::__init(unsigned long long __v, false_type) _NOEXCEPT { 252 __storage_type __t[sizeof(unsigned long long) / sizeof(__storage_type)]; 253 size_t __sz = _Size; 254 for (size_t __i = 0; __i < sizeof(__t) / sizeof(__t[0]); ++__i, __v >>= __bits_per_word, __sz -= __bits_per_word) 255 if (__sz < __bits_per_word) 256 __t[__i] = static_cast<__storage_type>(__v) & (1ULL << __sz) - 1; 257 else 258 __t[__i] = static_cast<__storage_type>(__v); 259 260 std::copy(__t, __t + sizeof(__t) / sizeof(__t[0]), __first_); 261 std::fill( 262 __first_ + sizeof(__t) / sizeof(__t[0]), __first_ + sizeof(__first_) / sizeof(__first_[0]), __storage_type(0)); 263} 264 265template <size_t _N_words, size_t _Size> 266inline _LIBCPP_HIDE_FROM_ABI void __bitset<_N_words, _Size>::__init(unsigned long long __v, true_type) _NOEXCEPT { 267 __first_[0] = __v; 268 if (_Size < __bits_per_word) 269 __first_[0] &= (1ULL << _Size) - 1; 270 271 std::fill(__first_ + 1, __first_ + sizeof(__first_) / sizeof(__first_[0]), __storage_type(0)); 272} 273 274#endif // _LIBCPP_CXX03_LANG 275 276template <size_t _N_words, size_t _Size> 277inline _LIBCPP_CONSTEXPR __bitset<_N_words, _Size>::__bitset(unsigned long long __v) _NOEXCEPT 278#ifndef _LIBCPP_CXX03_LANG 279# if __SIZEOF_SIZE_T__ == 8 280 : __first_{__v} 281# elif __SIZEOF_SIZE_T__ == 4 282 : __first_{static_cast<__storage_type>(__v), 283 _Size >= 2 * __bits_per_word 284 ? static_cast<__storage_type>(__v >> __bits_per_word) 285 : static_cast<__storage_type>((__v >> __bits_per_word) & 286 (__storage_type(1) << (_Size - __bits_per_word)) - 1)} 287# else 288# error This constructor has not been ported to this platform 289# endif 290#endif 291{ 292#ifdef _LIBCPP_CXX03_LANG 293 __init(__v, integral_constant<bool, sizeof(unsigned long long) == sizeof(__storage_type)>()); 294#endif 295} 296 297template <size_t _N_words, size_t _Size> 298inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void 299__bitset<_N_words, _Size>::operator&=(const __bitset& __v) _NOEXCEPT { 300 for (size_type __i = 0; __i < _N_words; ++__i) 301 __first_[__i] &= __v.__first_[__i]; 302} 303 304template <size_t _N_words, size_t _Size> 305inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void 306__bitset<_N_words, _Size>::operator|=(const __bitset& __v) _NOEXCEPT { 307 for (size_type __i = 0; __i < _N_words; ++__i) 308 __first_[__i] |= __v.__first_[__i]; 309} 310 311template <size_t _N_words, size_t _Size> 312inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void 313__bitset<_N_words, _Size>::operator^=(const __bitset& __v) _NOEXCEPT { 314 for (size_type __i = 0; __i < _N_words; ++__i) 315 __first_[__i] ^= __v.__first_[__i]; 316} 317 318template <size_t _N_words, size_t _Size> 319_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void __bitset<_N_words, _Size>::flip() _NOEXCEPT { 320 // do middle whole words 321 size_type __n = _Size; 322 __storage_pointer __p = __first_; 323 for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) 324 *__p = ~*__p; 325 // do last partial word 326 if (__n > 0) { 327 __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); 328 __storage_type __b = *__p & __m; 329 *__p &= ~__m; 330 *__p |= ~__b & __m; 331 } 332} 333 334template <size_t _N_words, size_t _Size> 335_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long 336__bitset<_N_words, _Size>::to_ulong(false_type) const { 337 const_iterator __e = __make_iter(_Size); 338 const_iterator __i = std::find(__make_iter(sizeof(unsigned long) * CHAR_BIT), __e, true); 339 if (__i != __e) 340 __throw_overflow_error("bitset to_ulong overflow error"); 341 342 return __first_[0]; 343} 344 345template <size_t _N_words, size_t _Size> 346inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long 347__bitset<_N_words, _Size>::to_ulong(true_type) const { 348 return __first_[0]; 349} 350 351template <size_t _N_words, size_t _Size> 352_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long 353__bitset<_N_words, _Size>::to_ullong(false_type) const { 354 const_iterator __e = __make_iter(_Size); 355 const_iterator __i = std::find(__make_iter(sizeof(unsigned long long) * CHAR_BIT), __e, true); 356 if (__i != __e) 357 __throw_overflow_error("bitset to_ullong overflow error"); 358 359 return to_ullong(true_type()); 360} 361 362template <size_t _N_words, size_t _Size> 363inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long 364__bitset<_N_words, _Size>::to_ullong(true_type) const { 365 return to_ullong(true_type(), integral_constant<bool, sizeof(__storage_type) < sizeof(unsigned long long)>()); 366} 367 368template <size_t _N_words, size_t _Size> 369inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long 370__bitset<_N_words, _Size>::to_ullong(true_type, false_type) const { 371 return __first_[0]; 372} 373 374template <size_t _N_words, size_t _Size> 375_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long 376__bitset<_N_words, _Size>::to_ullong(true_type, true_type) const { 377 unsigned long long __r = __first_[0]; 378 for (size_t __i = 1; __i < sizeof(unsigned long long) / sizeof(__storage_type); ++__i) 379 __r |= static_cast<unsigned long long>(__first_[__i]) << (sizeof(__storage_type) * CHAR_BIT); 380 return __r; 381} 382 383template <size_t _N_words, size_t _Size> 384_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool __bitset<_N_words, _Size>::all() const _NOEXCEPT { 385 // do middle whole words 386 size_type __n = _Size; 387 __const_storage_pointer __p = __first_; 388 for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) 389 if (~*__p) 390 return false; 391 // do last partial word 392 if (__n > 0) { 393 __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); 394 if (~*__p & __m) 395 return false; 396 } 397 return true; 398} 399 400template <size_t _N_words, size_t _Size> 401_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool __bitset<_N_words, _Size>::any() const _NOEXCEPT { 402 // do middle whole words 403 size_type __n = _Size; 404 __const_storage_pointer __p = __first_; 405 for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) 406 if (*__p) 407 return true; 408 // do last partial word 409 if (__n > 0) { 410 __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); 411 if (*__p & __m) 412 return true; 413 } 414 return false; 415} 416 417template <size_t _N_words, size_t _Size> 418inline size_t __bitset<_N_words, _Size>::__hash_code() const _NOEXCEPT { 419 size_t __h = 0; 420 for (size_type __i = 0; __i < _N_words; ++__i) 421 __h ^= __first_[__i]; 422 return __h; 423} 424 425template <size_t _Size> 426class __bitset<1, _Size> { 427public: 428 typedef ptrdiff_t difference_type; 429 typedef size_t size_type; 430 typedef size_type __storage_type; 431 432protected: 433 typedef __bitset __self; 434 typedef __storage_type* __storage_pointer; 435 typedef const __storage_type* __const_storage_pointer; 436 static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT); 437 438 friend class __bit_reference<__bitset>; 439 friend class __bit_const_reference<__bitset>; 440 friend class __bit_iterator<__bitset, false>; 441 friend class __bit_iterator<__bitset, true>; 442 friend struct __bit_array<__bitset>; 443 444 __storage_type __first_; 445 446 typedef __bit_reference<__bitset> reference; 447 typedef __bit_const_reference<__bitset> const_reference; 448 typedef __bit_iterator<__bitset, false> iterator; 449 typedef __bit_iterator<__bitset, true> const_iterator; 450 451 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __bitset() _NOEXCEPT; 452 _LIBCPP_HIDE_FROM_ABI explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long __v) _NOEXCEPT; 453 454 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference __make_ref(size_t __pos) _NOEXCEPT { 455 return reference(&__first_, __storage_type(1) << __pos); 456 } 457 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR const_reference __make_ref(size_t __pos) const _NOEXCEPT { 458 return const_reference(&__first_, __storage_type(1) << __pos); 459 } 460 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 iterator __make_iter(size_t __pos) _NOEXCEPT { 461 return iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word); 462 } 463 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 const_iterator __make_iter(size_t __pos) const _NOEXCEPT { 464 return const_iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word); 465 } 466 467 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator&=(const __bitset& __v) _NOEXCEPT; 468 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator|=(const __bitset& __v) _NOEXCEPT; 469 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator^=(const __bitset& __v) _NOEXCEPT; 470 471 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void flip() _NOEXCEPT; 472 473 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const; 474 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const; 475 476 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT; 477 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT; 478 479 _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT; 480}; 481 482template <size_t _Size> 483inline _LIBCPP_CONSTEXPR __bitset<1, _Size>::__bitset() _NOEXCEPT : __first_(0) {} 484 485template <size_t _Size> 486inline _LIBCPP_CONSTEXPR __bitset<1, _Size>::__bitset(unsigned long long __v) _NOEXCEPT 487 : __first_(_Size == __bits_per_word ? static_cast<__storage_type>(__v) 488 : static_cast<__storage_type>(__v) & ((__storage_type(1) << _Size) - 1)) {} 489 490template <size_t _Size> 491inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void 492__bitset<1, _Size>::operator&=(const __bitset& __v) _NOEXCEPT { 493 __first_ &= __v.__first_; 494} 495 496template <size_t _Size> 497inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void 498__bitset<1, _Size>::operator|=(const __bitset& __v) _NOEXCEPT { 499 __first_ |= __v.__first_; 500} 501 502template <size_t _Size> 503inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void 504__bitset<1, _Size>::operator^=(const __bitset& __v) _NOEXCEPT { 505 __first_ ^= __v.__first_; 506} 507 508template <size_t _Size> 509inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void __bitset<1, _Size>::flip() _NOEXCEPT { 510 __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); 511 __first_ = ~__first_; 512 __first_ &= __m; 513} 514 515template <size_t _Size> 516inline _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long __bitset<1, _Size>::to_ulong() const { 517 return __first_; 518} 519 520template <size_t _Size> 521inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long __bitset<1, _Size>::to_ullong() const { 522 return __first_; 523} 524 525template <size_t _Size> 526inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool __bitset<1, _Size>::all() const _NOEXCEPT { 527 __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); 528 return !(~__first_ & __m); 529} 530 531template <size_t _Size> 532inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool __bitset<1, _Size>::any() const _NOEXCEPT { 533 __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); 534 return __first_ & __m; 535} 536 537template <size_t _Size> 538inline size_t __bitset<1, _Size>::__hash_code() const _NOEXCEPT { 539 return __first_; 540} 541 542template <> 543class __bitset<0, 0> { 544public: 545 typedef ptrdiff_t difference_type; 546 typedef size_t size_type; 547 typedef size_type __storage_type; 548 549protected: 550 typedef __bitset __self; 551 typedef __storage_type* __storage_pointer; 552 typedef const __storage_type* __const_storage_pointer; 553 static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT); 554 555 friend class __bit_reference<__bitset>; 556 friend class __bit_const_reference<__bitset>; 557 friend class __bit_iterator<__bitset, false>; 558 friend class __bit_iterator<__bitset, true>; 559 friend struct __bit_array<__bitset>; 560 561 typedef __bit_reference<__bitset> reference; 562 typedef __bit_const_reference<__bitset> const_reference; 563 typedef __bit_iterator<__bitset, false> iterator; 564 typedef __bit_iterator<__bitset, true> const_iterator; 565 566 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __bitset() _NOEXCEPT; 567 _LIBCPP_HIDE_FROM_ABI explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long) _NOEXCEPT; 568 569 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference __make_ref(size_t) _NOEXCEPT { 570 return reference(nullptr, 1); 571 } 572 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR const_reference __make_ref(size_t) const _NOEXCEPT { 573 return const_reference(nullptr, 1); 574 } 575 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 iterator __make_iter(size_t) _NOEXCEPT { 576 return iterator(nullptr, 0); 577 } 578 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 const_iterator __make_iter(size_t) const _NOEXCEPT { 579 return const_iterator(nullptr, 0); 580 } 581 582 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator&=(const __bitset&) _NOEXCEPT {} 583 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator|=(const __bitset&) _NOEXCEPT {} 584 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator^=(const __bitset&) _NOEXCEPT {} 585 586 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void flip() _NOEXCEPT {} 587 588 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const { return 0; } 589 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const { return 0; } 590 591 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT { return true; } 592 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT { return false; } 593 594 _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT { return 0; } 595}; 596 597inline _LIBCPP_CONSTEXPR __bitset<0, 0>::__bitset() _NOEXCEPT {} 598 599inline _LIBCPP_CONSTEXPR __bitset<0, 0>::__bitset(unsigned long long) _NOEXCEPT {} 600 601template <size_t _Size> 602class _LIBCPP_TEMPLATE_VIS bitset; 603template <size_t _Size> 604struct hash<bitset<_Size> >; 605 606template <size_t _Size> 607class _LIBCPP_TEMPLATE_VIS bitset 608 : private __bitset<_Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1, _Size> { 609public: 610 static const unsigned __n_words = _Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1; 611 typedef __bitset<__n_words, _Size> base; 612 613public: 614 typedef typename base::reference reference; 615 typedef typename base::const_reference const_reference; 616 617 // 23.3.5.1 constructors: 618 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bitset() _NOEXCEPT {} 619 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bitset(unsigned long long __v) _NOEXCEPT : base(__v) {} 620 template <class _CharT, __enable_if_t<_IsCharLikeType<_CharT>::value, int> = 0> 621 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 explicit bitset( 622 const _CharT* __str, 623#if _LIBCPP_STD_VER >= 26 624 typename basic_string_view<_CharT>::size_type __n = basic_string_view<_CharT>::npos, 625#else 626 typename basic_string<_CharT>::size_type __n = basic_string<_CharT>::npos, 627#endif 628 _CharT __zero = _CharT('0'), 629 _CharT __one = _CharT('1')) { 630 631 size_t __rlen = std::min(__n, char_traits<_CharT>::length(__str)); 632 __init_from_string_view(basic_string_view<_CharT>(__str, __rlen), __zero, __one); 633 } 634#if _LIBCPP_STD_VER >= 26 635 template <class _CharT, class _Traits> 636 _LIBCPP_HIDE_FROM_ABI constexpr explicit bitset( 637 basic_string_view<_CharT, _Traits> __str, 638 typename basic_string_view<_CharT, _Traits>::size_type __pos = 0, 639 typename basic_string_view<_CharT, _Traits>::size_type __n = basic_string_view<_CharT, _Traits>::npos, 640 _CharT __zero = _CharT('0'), 641 _CharT __one = _CharT('1')) { 642 if (__pos > __str.size()) 643 __throw_out_of_range("bitset string pos out of range"); 644 645 size_t __rlen = std::min(__n, __str.size() - __pos); 646 __init_from_string_view(basic_string_view<_CharT, _Traits>(__str.data() + __pos, __rlen), __zero, __one); 647 } 648#endif 649 template <class _CharT, class _Traits, class _Allocator> 650 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 explicit bitset( 651 const basic_string<_CharT, _Traits, _Allocator>& __str, 652 typename basic_string<_CharT, _Traits, _Allocator>::size_type __pos = 0, 653 typename basic_string<_CharT, _Traits, _Allocator>::size_type __n = 654 basic_string<_CharT, _Traits, _Allocator>::npos, 655 _CharT __zero = _CharT('0'), 656 _CharT __one = _CharT('1')) { 657 if (__pos > __str.size()) 658 std::__throw_out_of_range("bitset string pos out of range"); 659 660 size_t __rlen = std::min(__n, __str.size() - __pos); 661 __init_from_string_view(basic_string_view<_CharT, _Traits>(__str.data() + __pos, __rlen), __zero, __one); 662 } 663 664 // 23.3.5.2 bitset operations: 665 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator&=(const bitset& __rhs) _NOEXCEPT; 666 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator|=(const bitset& __rhs) _NOEXCEPT; 667 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator^=(const bitset& __rhs) _NOEXCEPT; 668 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator<<=(size_t __pos) _NOEXCEPT; 669 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator>>=(size_t __pos) _NOEXCEPT; 670 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& set() _NOEXCEPT; 671 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& set(size_t __pos, bool __val = true); 672 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& reset() _NOEXCEPT; 673 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& reset(size_t __pos); 674 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset operator~() const _NOEXCEPT; 675 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& flip() _NOEXCEPT; 676 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& flip(size_t __pos); 677 678 // element access: 679#ifdef _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL 680 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool operator[](size_t __p) const { return base::__make_ref(__p); } 681#else 682 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR const_reference operator[](size_t __p) const { return base::__make_ref(__p); } 683#endif 684 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference operator[](size_t __p) { return base::__make_ref(__p); } 685 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const; 686 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const; 687 template <class _CharT, class _Traits, class _Allocator> 688 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, _Allocator> 689 to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; 690 template <class _CharT, class _Traits> 691 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, allocator<_CharT> > 692 to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; 693 template <class _CharT> 694 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > 695 to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; 696 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<char, char_traits<char>, allocator<char> > 697 to_string(char __zero = '0', char __one = '1') const; 698 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 size_t count() const _NOEXCEPT; 699 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR size_t size() const _NOEXCEPT { return _Size; } 700 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool operator==(const bitset& __rhs) const _NOEXCEPT; 701#if _LIBCPP_STD_VER <= 17 702 _LIBCPP_HIDE_FROM_ABI bool operator!=(const bitset& __rhs) const _NOEXCEPT; 703#endif 704 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool test(size_t __pos) const; 705 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT; 706 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT; 707 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool none() const _NOEXCEPT { return !any(); } 708 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset operator<<(size_t __pos) const _NOEXCEPT; 709 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset operator>>(size_t __pos) const _NOEXCEPT; 710 711private: 712 template <class _CharT, class _Traits> 713 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void 714 __init_from_string_view(basic_string_view<_CharT, _Traits> __str, _CharT __zero, _CharT __one) { 715 for (size_t __i = 0; __i < __str.size(); ++__i) 716 if (!_Traits::eq(__str[__i], __zero) && !_Traits::eq(__str[__i], __one)) 717 std::__throw_invalid_argument("bitset string ctor has invalid argument"); 718 719 size_t __mp = std::min(__str.size(), _Size); 720 size_t __i = 0; 721 for (; __i < __mp; ++__i) { 722 _CharT __c = __str[__mp - 1 - __i]; 723 (*this)[__i] = _Traits::eq(__c, __one); 724 } 725 std::fill(base::__make_iter(__i), base::__make_iter(_Size), false); 726 } 727 728 _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT { return base::__hash_code(); } 729 730 friend struct hash<bitset>; 731}; 732 733template <size_t _Size> 734inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& 735bitset<_Size>::operator&=(const bitset& __rhs) _NOEXCEPT { 736 base::operator&=(__rhs); 737 return *this; 738} 739 740template <size_t _Size> 741inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& 742bitset<_Size>::operator|=(const bitset& __rhs) _NOEXCEPT { 743 base::operator|=(__rhs); 744 return *this; 745} 746 747template <size_t _Size> 748inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& 749bitset<_Size>::operator^=(const bitset& __rhs) _NOEXCEPT { 750 base::operator^=(__rhs); 751 return *this; 752} 753 754template <size_t _Size> 755_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::operator<<=(size_t __pos) _NOEXCEPT { 756 __pos = std::min(__pos, _Size); 757 std::copy_backward(base::__make_iter(0), base::__make_iter(_Size - __pos), base::__make_iter(_Size)); 758 std::fill_n(base::__make_iter(0), __pos, false); 759 return *this; 760} 761 762template <size_t _Size> 763_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::operator>>=(size_t __pos) _NOEXCEPT { 764 __pos = std::min(__pos, _Size); 765 std::copy(base::__make_iter(__pos), base::__make_iter(_Size), base::__make_iter(0)); 766 std::fill_n(base::__make_iter(_Size - __pos), __pos, false); 767 return *this; 768} 769 770template <size_t _Size> 771inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::set() _NOEXCEPT { 772 std::fill_n(base::__make_iter(0), _Size, true); 773 return *this; 774} 775 776template <size_t _Size> 777_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::set(size_t __pos, bool __val) { 778 if (__pos >= _Size) 779 __throw_out_of_range("bitset set argument out of range"); 780 781 (*this)[__pos] = __val; 782 return *this; 783} 784 785template <size_t _Size> 786inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::reset() _NOEXCEPT { 787 std::fill_n(base::__make_iter(0), _Size, false); 788 return *this; 789} 790 791template <size_t _Size> 792_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::reset(size_t __pos) { 793 if (__pos >= _Size) 794 __throw_out_of_range("bitset reset argument out of range"); 795 796 (*this)[__pos] = false; 797 return *this; 798} 799 800template <size_t _Size> 801inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> bitset<_Size>::operator~() const _NOEXCEPT { 802 bitset __x(*this); 803 __x.flip(); 804 return __x; 805} 806 807template <size_t _Size> 808inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::flip() _NOEXCEPT { 809 base::flip(); 810 return *this; 811} 812 813template <size_t _Size> 814_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::flip(size_t __pos) { 815 if (__pos >= _Size) 816 __throw_out_of_range("bitset flip argument out of range"); 817 818 reference __r = base::__make_ref(__pos); 819 __r = ~__r; 820 return *this; 821} 822 823template <size_t _Size> 824inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long bitset<_Size>::to_ulong() const { 825 return base::to_ulong(); 826} 827 828template <size_t _Size> 829inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long bitset<_Size>::to_ullong() const { 830 return base::to_ullong(); 831} 832 833template <size_t _Size> 834template <class _CharT, class _Traits, class _Allocator> 835_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, _Allocator> 836bitset<_Size>::to_string(_CharT __zero, _CharT __one) const { 837 basic_string<_CharT, _Traits, _Allocator> __r(_Size, __zero); 838 for (size_t __i = 0; __i != _Size; ++__i) { 839 if ((*this)[__i]) 840 __r[_Size - 1 - __i] = __one; 841 } 842 return __r; 843} 844 845template <size_t _Size> 846template <class _CharT, class _Traits> 847inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, allocator<_CharT> > 848bitset<_Size>::to_string(_CharT __zero, _CharT __one) const { 849 return to_string<_CharT, _Traits, allocator<_CharT> >(__zero, __one); 850} 851 852template <size_t _Size> 853template <class _CharT> 854inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > 855bitset<_Size>::to_string(_CharT __zero, _CharT __one) const { 856 return to_string<_CharT, char_traits<_CharT>, allocator<_CharT> >(__zero, __one); 857} 858 859template <size_t _Size> 860inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<char, char_traits<char>, allocator<char> > 861bitset<_Size>::to_string(char __zero, char __one) const { 862 return to_string<char, char_traits<char>, allocator<char> >(__zero, __one); 863} 864 865template <size_t _Size> 866inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 size_t bitset<_Size>::count() const _NOEXCEPT { 867 return static_cast<size_t>(std::count(base::__make_iter(0), base::__make_iter(_Size), true)); 868} 869 870template <size_t _Size> 871inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool 872bitset<_Size>::operator==(const bitset& __rhs) const _NOEXCEPT { 873 return std::equal(base::__make_iter(0), base::__make_iter(_Size), __rhs.__make_iter(0)); 874} 875 876#if _LIBCPP_STD_VER <= 17 877 878template <size_t _Size> 879inline _LIBCPP_HIDE_FROM_ABI bool bitset<_Size>::operator!=(const bitset& __rhs) const _NOEXCEPT { 880 return !(*this == __rhs); 881} 882 883#endif 884 885template <size_t _Size> 886_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::test(size_t __pos) const { 887 if (__pos >= _Size) 888 __throw_out_of_range("bitset test argument out of range"); 889 890 return (*this)[__pos]; 891} 892 893template <size_t _Size> 894inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::all() const _NOEXCEPT { 895 return base::all(); 896} 897 898template <size_t _Size> 899inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::any() const _NOEXCEPT { 900 return base::any(); 901} 902 903template <size_t _Size> 904inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> 905bitset<_Size>::operator<<(size_t __pos) const _NOEXCEPT { 906 bitset __r = *this; 907 __r <<= __pos; 908 return __r; 909} 910 911template <size_t _Size> 912inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> 913bitset<_Size>::operator>>(size_t __pos) const _NOEXCEPT { 914 bitset __r = *this; 915 __r >>= __pos; 916 return __r; 917} 918 919template <size_t _Size> 920inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> 921operator&(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT { 922 bitset<_Size> __r = __x; 923 __r &= __y; 924 return __r; 925} 926 927template <size_t _Size> 928inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> 929operator|(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT { 930 bitset<_Size> __r = __x; 931 __r |= __y; 932 return __r; 933} 934 935template <size_t _Size> 936inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> 937operator^(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT { 938 bitset<_Size> __r = __x; 939 __r ^= __y; 940 return __r; 941} 942 943template <size_t _Size> 944struct _LIBCPP_TEMPLATE_VIS hash<bitset<_Size> > : public __unary_function<bitset<_Size>, size_t> { 945 _LIBCPP_HIDE_FROM_ABI size_t operator()(const bitset<_Size>& __bs) const _NOEXCEPT { return __bs.__hash_code(); } 946}; 947 948template <class _CharT, class _Traits, size_t _Size> 949_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& 950operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x); 951 952template <class _CharT, class _Traits, size_t _Size> 953_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& 954operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x); 955 956_LIBCPP_END_NAMESPACE_STD 957 958_LIBCPP_POP_MACROS 959 960#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 961# include <concepts> 962# include <cstdlib> 963# include <type_traits> 964#endif 965 966#endif // _LIBCPP_BITSET 967