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/fill_n.h> 132#include <__algorithm/find.h> 133#include <__bit_reference> 134#include <__config> 135#include <__functional/hash.h> 136#include <__functional/unary_function.h> 137#include <__type_traits/is_char_like_type.h> 138#include <climits> 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 _LIBCPP_DIAGNOSTIC_PUSH 379 _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wshift-count-overflow") 380 for (size_t __i = 1; __i < sizeof(unsigned long long) / sizeof(__storage_type); ++__i) 381 __r |= static_cast<unsigned long long>(__first_[__i]) << (sizeof(__storage_type) * CHAR_BIT); 382 _LIBCPP_DIAGNOSTIC_POP 383 return __r; 384} 385 386template <size_t _N_words, size_t _Size> 387_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool __bitset<_N_words, _Size>::all() const _NOEXCEPT { 388 // do middle whole words 389 size_type __n = _Size; 390 __const_storage_pointer __p = __first_; 391 for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) 392 if (~*__p) 393 return false; 394 // do last partial word 395 if (__n > 0) { 396 __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); 397 if (~*__p & __m) 398 return false; 399 } 400 return true; 401} 402 403template <size_t _N_words, size_t _Size> 404_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool __bitset<_N_words, _Size>::any() const _NOEXCEPT { 405 // do middle whole words 406 size_type __n = _Size; 407 __const_storage_pointer __p = __first_; 408 for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) 409 if (*__p) 410 return true; 411 // do last partial word 412 if (__n > 0) { 413 __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); 414 if (*__p & __m) 415 return true; 416 } 417 return false; 418} 419 420template <size_t _N_words, size_t _Size> 421inline size_t __bitset<_N_words, _Size>::__hash_code() const _NOEXCEPT { 422 size_t __h = 0; 423 for (size_type __i = 0; __i < _N_words; ++__i) 424 __h ^= __first_[__i]; 425 return __h; 426} 427 428template <size_t _Size> 429class __bitset<1, _Size> { 430public: 431 typedef ptrdiff_t difference_type; 432 typedef size_t size_type; 433 typedef size_type __storage_type; 434 435protected: 436 typedef __bitset __self; 437 typedef __storage_type* __storage_pointer; 438 typedef const __storage_type* __const_storage_pointer; 439 static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT); 440 441 friend class __bit_reference<__bitset>; 442 friend class __bit_const_reference<__bitset>; 443 friend class __bit_iterator<__bitset, false>; 444 friend class __bit_iterator<__bitset, true>; 445 friend struct __bit_array<__bitset>; 446 447 __storage_type __first_; 448 449 typedef __bit_reference<__bitset> reference; 450 typedef __bit_const_reference<__bitset> const_reference; 451 typedef __bit_iterator<__bitset, false> __iterator; 452 typedef __bit_iterator<__bitset, true> __const_iterator; 453 454 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __bitset() _NOEXCEPT; 455 _LIBCPP_HIDE_FROM_ABI explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long __v) _NOEXCEPT; 456 457 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference __make_ref(size_t __pos) _NOEXCEPT { 458 return reference(&__first_, __storage_type(1) << __pos); 459 } 460 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR const_reference __make_ref(size_t __pos) const _NOEXCEPT { 461 return const_reference(&__first_, __storage_type(1) << __pos); 462 } 463 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 __iterator __make_iter(size_t __pos) _NOEXCEPT { 464 return __iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word); 465 } 466 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 __const_iterator __make_iter(size_t __pos) const _NOEXCEPT { 467 return __const_iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word); 468 } 469 470 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator&=(const __bitset& __v) _NOEXCEPT; 471 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator|=(const __bitset& __v) _NOEXCEPT; 472 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator^=(const __bitset& __v) _NOEXCEPT; 473 474 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void flip() _NOEXCEPT; 475 476 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const; 477 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const; 478 479 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT; 480 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT; 481 482 _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT; 483}; 484 485template <size_t _Size> 486inline _LIBCPP_CONSTEXPR __bitset<1, _Size>::__bitset() _NOEXCEPT : __first_(0) {} 487 488template <size_t _Size> 489inline _LIBCPP_CONSTEXPR __bitset<1, _Size>::__bitset(unsigned long long __v) _NOEXCEPT 490 : __first_(_Size == __bits_per_word ? static_cast<__storage_type>(__v) 491 : static_cast<__storage_type>(__v) & ((__storage_type(1) << _Size) - 1)) {} 492 493template <size_t _Size> 494inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void 495__bitset<1, _Size>::operator&=(const __bitset& __v) _NOEXCEPT { 496 __first_ &= __v.__first_; 497} 498 499template <size_t _Size> 500inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void 501__bitset<1, _Size>::operator|=(const __bitset& __v) _NOEXCEPT { 502 __first_ |= __v.__first_; 503} 504 505template <size_t _Size> 506inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void 507__bitset<1, _Size>::operator^=(const __bitset& __v) _NOEXCEPT { 508 __first_ ^= __v.__first_; 509} 510 511template <size_t _Size> 512inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void __bitset<1, _Size>::flip() _NOEXCEPT { 513 __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); 514 __first_ = ~__first_; 515 __first_ &= __m; 516} 517 518template <size_t _Size> 519inline _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long __bitset<1, _Size>::to_ulong() const { 520 return __first_; 521} 522 523template <size_t _Size> 524inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long __bitset<1, _Size>::to_ullong() const { 525 return __first_; 526} 527 528template <size_t _Size> 529inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool __bitset<1, _Size>::all() const _NOEXCEPT { 530 __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); 531 return !(~__first_ & __m); 532} 533 534template <size_t _Size> 535inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool __bitset<1, _Size>::any() const _NOEXCEPT { 536 __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); 537 return __first_ & __m; 538} 539 540template <size_t _Size> 541inline size_t __bitset<1, _Size>::__hash_code() const _NOEXCEPT { 542 return __first_; 543} 544 545template <> 546class __bitset<0, 0> { 547public: 548 typedef ptrdiff_t difference_type; 549 typedef size_t size_type; 550 typedef size_type __storage_type; 551 552protected: 553 typedef __bitset __self; 554 typedef __storage_type* __storage_pointer; 555 typedef const __storage_type* __const_storage_pointer; 556 static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT); 557 558 friend class __bit_reference<__bitset>; 559 friend class __bit_const_reference<__bitset>; 560 friend class __bit_iterator<__bitset, false>; 561 friend class __bit_iterator<__bitset, true>; 562 friend struct __bit_array<__bitset>; 563 564 typedef __bit_reference<__bitset> reference; 565 typedef __bit_const_reference<__bitset> const_reference; 566 typedef __bit_iterator<__bitset, false> __iterator; 567 typedef __bit_iterator<__bitset, true> __const_iterator; 568 569 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __bitset() _NOEXCEPT; 570 _LIBCPP_HIDE_FROM_ABI explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long) _NOEXCEPT; 571 572 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference __make_ref(size_t) _NOEXCEPT { 573 return reference(nullptr, 1); 574 } 575 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR const_reference __make_ref(size_t) const _NOEXCEPT { 576 return const_reference(nullptr, 1); 577 } 578 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 __iterator __make_iter(size_t) _NOEXCEPT { 579 return __iterator(nullptr, 0); 580 } 581 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 __const_iterator __make_iter(size_t) const _NOEXCEPT { 582 return __const_iterator(nullptr, 0); 583 } 584 585 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator&=(const __bitset&) _NOEXCEPT {} 586 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator|=(const __bitset&) _NOEXCEPT {} 587 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator^=(const __bitset&) _NOEXCEPT {} 588 589 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void flip() _NOEXCEPT {} 590 591 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const { return 0; } 592 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const { return 0; } 593 594 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT { return true; } 595 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT { return false; } 596 597 _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT { return 0; } 598}; 599 600inline _LIBCPP_CONSTEXPR __bitset<0, 0>::__bitset() _NOEXCEPT {} 601 602inline _LIBCPP_CONSTEXPR __bitset<0, 0>::__bitset(unsigned long long) _NOEXCEPT {} 603 604template <size_t _Size> 605class _LIBCPP_TEMPLATE_VIS bitset; 606template <size_t _Size> 607struct hash<bitset<_Size> >; 608 609template <size_t _Size> 610class _LIBCPP_TEMPLATE_VIS bitset 611 : private __bitset<_Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1, _Size> { 612public: 613 static const unsigned __n_words = _Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1; 614 typedef __bitset<__n_words, _Size> __base; 615 616public: 617 typedef typename __base::reference reference; 618 typedef typename __base::const_reference const_reference; 619 620 // 23.3.5.1 constructors: 621 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bitset() _NOEXCEPT {} 622 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bitset(unsigned long long __v) _NOEXCEPT : __base(__v) {} 623 template <class _CharT, __enable_if_t<_IsCharLikeType<_CharT>::value, int> = 0> 624 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 explicit bitset( 625 const _CharT* __str, 626#if _LIBCPP_STD_VER >= 26 627 typename basic_string_view<_CharT>::size_type __n = basic_string_view<_CharT>::npos, 628#else 629 typename basic_string<_CharT>::size_type __n = basic_string<_CharT>::npos, 630#endif 631 _CharT __zero = _CharT('0'), 632 _CharT __one = _CharT('1')) { 633 634 size_t __rlen = std::min(__n, char_traits<_CharT>::length(__str)); 635 __init_from_string_view(basic_string_view<_CharT>(__str, __rlen), __zero, __one); 636 } 637#if _LIBCPP_STD_VER >= 26 638 template <class _CharT, class _Traits> 639 _LIBCPP_HIDE_FROM_ABI constexpr explicit bitset( 640 basic_string_view<_CharT, _Traits> __str, 641 typename basic_string_view<_CharT, _Traits>::size_type __pos = 0, 642 typename basic_string_view<_CharT, _Traits>::size_type __n = basic_string_view<_CharT, _Traits>::npos, 643 _CharT __zero = _CharT('0'), 644 _CharT __one = _CharT('1')) { 645 if (__pos > __str.size()) 646 __throw_out_of_range("bitset string pos out of range"); 647 648 size_t __rlen = std::min(__n, __str.size() - __pos); 649 __init_from_string_view(basic_string_view<_CharT, _Traits>(__str.data() + __pos, __rlen), __zero, __one); 650 } 651#endif 652 template <class _CharT, class _Traits, class _Allocator> 653 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 explicit bitset( 654 const basic_string<_CharT, _Traits, _Allocator>& __str, 655 typename basic_string<_CharT, _Traits, _Allocator>::size_type __pos = 0, 656 typename basic_string<_CharT, _Traits, _Allocator>::size_type __n = 657 basic_string<_CharT, _Traits, _Allocator>::npos, 658 _CharT __zero = _CharT('0'), 659 _CharT __one = _CharT('1')) { 660 if (__pos > __str.size()) 661 std::__throw_out_of_range("bitset string pos out of range"); 662 663 size_t __rlen = std::min(__n, __str.size() - __pos); 664 __init_from_string_view(basic_string_view<_CharT, _Traits>(__str.data() + __pos, __rlen), __zero, __one); 665 } 666 667 // 23.3.5.2 bitset operations: 668 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator&=(const bitset& __rhs) _NOEXCEPT; 669 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator|=(const bitset& __rhs) _NOEXCEPT; 670 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator^=(const bitset& __rhs) _NOEXCEPT; 671 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator<<=(size_t __pos) _NOEXCEPT; 672 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator>>=(size_t __pos) _NOEXCEPT; 673 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& set() _NOEXCEPT; 674 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& set(size_t __pos, bool __val = true); 675 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& reset() _NOEXCEPT; 676 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& reset(size_t __pos); 677 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset operator~() const _NOEXCEPT; 678 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& flip() _NOEXCEPT; 679 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& flip(size_t __pos); 680 681 // element access: 682#ifdef _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL 683 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool operator[](size_t __p) const { return __base::__make_ref(__p); } 684#else 685 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR const_reference operator[](size_t __p) const { 686 return __base::__make_ref(__p); 687 } 688#endif 689 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference operator[](size_t __p) { 690 return __base::__make_ref(__p); 691 } 692 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const; 693 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const; 694 template <class _CharT, class _Traits, class _Allocator> 695 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, _Allocator> 696 to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; 697 template <class _CharT, class _Traits> 698 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, allocator<_CharT> > 699 to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; 700 template <class _CharT> 701 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > 702 to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; 703 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<char, char_traits<char>, allocator<char> > 704 to_string(char __zero = '0', char __one = '1') const; 705 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 size_t count() const _NOEXCEPT; 706 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR size_t size() const _NOEXCEPT { return _Size; } 707 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool operator==(const bitset& __rhs) const _NOEXCEPT; 708#if _LIBCPP_STD_VER <= 17 709 _LIBCPP_HIDE_FROM_ABI bool operator!=(const bitset& __rhs) const _NOEXCEPT; 710#endif 711 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool test(size_t __pos) const; 712 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT; 713 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT; 714 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool none() const _NOEXCEPT { return !any(); } 715 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset operator<<(size_t __pos) const _NOEXCEPT; 716 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset operator>>(size_t __pos) const _NOEXCEPT; 717 718private: 719 template <class _CharT, class _Traits> 720 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void 721 __init_from_string_view(basic_string_view<_CharT, _Traits> __str, _CharT __zero, _CharT __one) { 722 for (size_t __i = 0; __i < __str.size(); ++__i) 723 if (!_Traits::eq(__str[__i], __zero) && !_Traits::eq(__str[__i], __one)) 724 std::__throw_invalid_argument("bitset string ctor has invalid argument"); 725 726 size_t __mp = std::min(__str.size(), _Size); 727 size_t __i = 0; 728 for (; __i < __mp; ++__i) { 729 _CharT __c = __str[__mp - 1 - __i]; 730 (*this)[__i] = _Traits::eq(__c, __one); 731 } 732 std::fill(__base::__make_iter(__i), __base::__make_iter(_Size), false); 733 } 734 735 _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT { return __base::__hash_code(); } 736 737 friend struct hash<bitset>; 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> 755inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& 756bitset<_Size>::operator^=(const bitset& __rhs) _NOEXCEPT { 757 __base::operator^=(__rhs); 758 return *this; 759} 760 761template <size_t _Size> 762_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::operator<<=(size_t __pos) _NOEXCEPT { 763 __pos = std::min(__pos, _Size); 764 std::copy_backward(__base::__make_iter(0), __base::__make_iter(_Size - __pos), __base::__make_iter(_Size)); 765 std::fill_n(__base::__make_iter(0), __pos, false); 766 return *this; 767} 768 769template <size_t _Size> 770_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::operator>>=(size_t __pos) _NOEXCEPT { 771 __pos = std::min(__pos, _Size); 772 std::copy(__base::__make_iter(__pos), __base::__make_iter(_Size), __base::__make_iter(0)); 773 std::fill_n(__base::__make_iter(_Size - __pos), __pos, false); 774 return *this; 775} 776 777template <size_t _Size> 778inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::set() _NOEXCEPT { 779 std::fill_n(__base::__make_iter(0), _Size, true); 780 return *this; 781} 782 783template <size_t _Size> 784_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::set(size_t __pos, bool __val) { 785 if (__pos >= _Size) 786 __throw_out_of_range("bitset set argument out of range"); 787 788 (*this)[__pos] = __val; 789 return *this; 790} 791 792template <size_t _Size> 793inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::reset() _NOEXCEPT { 794 std::fill_n(__base::__make_iter(0), _Size, false); 795 return *this; 796} 797 798template <size_t _Size> 799_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::reset(size_t __pos) { 800 if (__pos >= _Size) 801 __throw_out_of_range("bitset reset argument out of range"); 802 803 (*this)[__pos] = false; 804 return *this; 805} 806 807template <size_t _Size> 808inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> bitset<_Size>::operator~() const _NOEXCEPT { 809 bitset __x(*this); 810 __x.flip(); 811 return __x; 812} 813 814template <size_t _Size> 815inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::flip() _NOEXCEPT { 816 __base::flip(); 817 return *this; 818} 819 820template <size_t _Size> 821_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::flip(size_t __pos) { 822 if (__pos >= _Size) 823 __throw_out_of_range("bitset flip argument out of range"); 824 825 reference __r = __base::__make_ref(__pos); 826 __r = ~__r; 827 return *this; 828} 829 830template <size_t _Size> 831inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long bitset<_Size>::to_ulong() const { 832 return __base::to_ulong(); 833} 834 835template <size_t _Size> 836inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long bitset<_Size>::to_ullong() const { 837 return __base::to_ullong(); 838} 839 840template <size_t _Size> 841template <class _CharT, class _Traits, class _Allocator> 842_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, _Allocator> 843bitset<_Size>::to_string(_CharT __zero, _CharT __one) const { 844 basic_string<_CharT, _Traits, _Allocator> __r(_Size, __zero); 845 for (size_t __i = 0; __i != _Size; ++__i) { 846 if ((*this)[__i]) 847 __r[_Size - 1 - __i] = __one; 848 } 849 return __r; 850} 851 852template <size_t _Size> 853template <class _CharT, class _Traits> 854inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, allocator<_CharT> > 855bitset<_Size>::to_string(_CharT __zero, _CharT __one) const { 856 return to_string<_CharT, _Traits, allocator<_CharT> >(__zero, __one); 857} 858 859template <size_t _Size> 860template <class _CharT> 861inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > 862bitset<_Size>::to_string(_CharT __zero, _CharT __one) const { 863 return to_string<_CharT, char_traits<_CharT>, allocator<_CharT> >(__zero, __one); 864} 865 866template <size_t _Size> 867inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<char, char_traits<char>, allocator<char> > 868bitset<_Size>::to_string(char __zero, char __one) const { 869 return to_string<char, char_traits<char>, allocator<char> >(__zero, __one); 870} 871 872template <size_t _Size> 873inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 size_t bitset<_Size>::count() const _NOEXCEPT { 874 return static_cast<size_t>(std::count(__base::__make_iter(0), __base::__make_iter(_Size), true)); 875} 876 877template <size_t _Size> 878inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool 879bitset<_Size>::operator==(const bitset& __rhs) const _NOEXCEPT { 880 return std::equal(__base::__make_iter(0), __base::__make_iter(_Size), __rhs.__make_iter(0)); 881} 882 883#if _LIBCPP_STD_VER <= 17 884 885template <size_t _Size> 886inline _LIBCPP_HIDE_FROM_ABI bool bitset<_Size>::operator!=(const bitset& __rhs) const _NOEXCEPT { 887 return !(*this == __rhs); 888} 889 890#endif 891 892template <size_t _Size> 893_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::test(size_t __pos) const { 894 if (__pos >= _Size) 895 __throw_out_of_range("bitset test argument out of range"); 896 897 return (*this)[__pos]; 898} 899 900template <size_t _Size> 901inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::all() const _NOEXCEPT { 902 return __base::all(); 903} 904 905template <size_t _Size> 906inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::any() const _NOEXCEPT { 907 return __base::any(); 908} 909 910template <size_t _Size> 911inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> 912bitset<_Size>::operator<<(size_t __pos) const _NOEXCEPT { 913 bitset __r = *this; 914 __r <<= __pos; 915 return __r; 916} 917 918template <size_t _Size> 919inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> 920bitset<_Size>::operator>>(size_t __pos) const _NOEXCEPT { 921 bitset __r = *this; 922 __r >>= __pos; 923 return __r; 924} 925 926template <size_t _Size> 927inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> 928operator&(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT { 929 bitset<_Size> __r = __x; 930 __r &= __y; 931 return __r; 932} 933 934template <size_t _Size> 935inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> 936operator|(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT { 937 bitset<_Size> __r = __x; 938 __r |= __y; 939 return __r; 940} 941 942template <size_t _Size> 943inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> 944operator^(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT { 945 bitset<_Size> __r = __x; 946 __r ^= __y; 947 return __r; 948} 949 950template <size_t _Size> 951struct _LIBCPP_TEMPLATE_VIS hash<bitset<_Size> > : public __unary_function<bitset<_Size>, size_t> { 952 _LIBCPP_HIDE_FROM_ABI size_t operator()(const bitset<_Size>& __bs) const _NOEXCEPT { return __bs.__hash_code(); } 953}; 954 955template <class _CharT, class _Traits, size_t _Size> 956_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& 957operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x); 958 959template <class _CharT, class _Traits, size_t _Size> 960_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& 961operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x); 962 963_LIBCPP_END_NAMESPACE_STD 964 965_LIBCPP_POP_MACROS 966 967#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 968# include <concepts> 969# include <cstdlib> 970# include <type_traits> 971#endif 972 973#endif // _LIBCPP_BITSET 974