llvm-project

Форк
0
969 строк · 38.7 Кб
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

18
namespace std
19
{
20

21
namespace std {
22

23
template <size_t N>
24
class bitset
25
{
26
public:
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:
104
template <size_t N>
105
bitset<N> operator&(const bitset<N>&, const bitset<N>&) noexcept; // constexpr since C++23
106

107
template <size_t N>
108
bitset<N> operator|(const bitset<N>&, const bitset<N>&) noexcept; // constexpr since C++23
109

110
template <size_t N>
111
bitset<N> operator^(const bitset<N>&, const bitset<N>&) noexcept; // constexpr since C++23
112

113
template <class charT, class traits, size_t N>
114
basic_istream<charT, traits>&
115
operator>>(basic_istream<charT, traits>& is, bitset<N>& x);
116

117
template <class charT, class traits, size_t N>
118
basic_ostream<charT, traits>&
119
operator<<(basic_ostream<charT, traits>& os, const bitset<N>& x);
120

121
template <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

158
template <size_t _N_words, size_t _Size>
159
class __bitset;
160

161
template <size_t _N_words, size_t _Size>
162
struct __has_storage_type<__bitset<_N_words, _Size> > {
163
  static const bool value = true;
164
};
165

166
template <size_t _N_words, size_t _Size>
167
class __bitset {
168
public:
169
  typedef ptrdiff_t difference_type;
170
  typedef size_t size_type;
171
  typedef size_type __storage_type;
172

173
protected:
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

224
private:
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

237
template <size_t _N_words, size_t _Size>
238
inline _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

250
template <size_t _N_words, size_t _Size>
251
void __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

265
template <size_t _N_words, size_t _Size>
266
inline _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

276
template <size_t _N_words, size_t _Size>
277
inline _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

297
template <size_t _N_words, size_t _Size>
298
inline _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

304
template <size_t _N_words, size_t _Size>
305
inline _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

311
template <size_t _N_words, size_t _Size>
312
inline _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

318
template <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

334
template <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

345
template <size_t _N_words, size_t _Size>
346
inline _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

351
template <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

362
template <size_t _N_words, size_t _Size>
363
inline _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

368
template <size_t _N_words, size_t _Size>
369
inline _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

374
template <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

386
template <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

403
template <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

420
template <size_t _N_words, size_t _Size>
421
inline 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

428
template <size_t _Size>
429
class __bitset<1, _Size> {
430
public:
431
  typedef ptrdiff_t difference_type;
432
  typedef size_t size_type;
433
  typedef size_type __storage_type;
434

435
protected:
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

485
template <size_t _Size>
486
inline _LIBCPP_CONSTEXPR __bitset<1, _Size>::__bitset() _NOEXCEPT : __first_(0) {}
487

488
template <size_t _Size>
489
inline _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

493
template <size_t _Size>
494
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void
495
__bitset<1, _Size>::operator&=(const __bitset& __v) _NOEXCEPT {
496
  __first_ &= __v.__first_;
497
}
498

499
template <size_t _Size>
500
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void
501
__bitset<1, _Size>::operator|=(const __bitset& __v) _NOEXCEPT {
502
  __first_ |= __v.__first_;
503
}
504

505
template <size_t _Size>
506
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void
507
__bitset<1, _Size>::operator^=(const __bitset& __v) _NOEXCEPT {
508
  __first_ ^= __v.__first_;
509
}
510

511
template <size_t _Size>
512
inline _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

518
template <size_t _Size>
519
inline _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long __bitset<1, _Size>::to_ulong() const {
520
  return __first_;
521
}
522

523
template <size_t _Size>
524
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long __bitset<1, _Size>::to_ullong() const {
525
  return __first_;
526
}
527

528
template <size_t _Size>
529
inline _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

534
template <size_t _Size>
535
inline _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

540
template <size_t _Size>
541
inline size_t __bitset<1, _Size>::__hash_code() const _NOEXCEPT {
542
  return __first_;
543
}
544

545
template <>
546
class __bitset<0, 0> {
547
public:
548
  typedef ptrdiff_t difference_type;
549
  typedef size_t size_type;
550
  typedef size_type __storage_type;
551

552
protected:
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

600
inline _LIBCPP_CONSTEXPR __bitset<0, 0>::__bitset() _NOEXCEPT {}
601

602
inline _LIBCPP_CONSTEXPR __bitset<0, 0>::__bitset(unsigned long long) _NOEXCEPT {}
603

604
template <size_t _Size>
605
class _LIBCPP_TEMPLATE_VIS bitset;
606
template <size_t _Size>
607
struct hash<bitset<_Size> >;
608

609
template <size_t _Size>
610
class _LIBCPP_TEMPLATE_VIS bitset
611
    : private __bitset<_Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1, _Size> {
612
public:
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

616
public:
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 { return base::__make_ref(__p); }
686
#endif
687
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference operator[](size_t __p) { return base::__make_ref(__p); }
688
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const;
689
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const;
690
  template <class _CharT, class _Traits, class _Allocator>
691
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, _Allocator>
692
  to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const;
693
  template <class _CharT, class _Traits>
694
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, allocator<_CharT> >
695
  to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const;
696
  template <class _CharT>
697
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> >
698
  to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const;
699
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<char, char_traits<char>, allocator<char> >
700
  to_string(char __zero = '0', char __one = '1') const;
701
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 size_t count() const _NOEXCEPT;
702
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR size_t size() const _NOEXCEPT { return _Size; }
703
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool operator==(const bitset& __rhs) const _NOEXCEPT;
704
#if _LIBCPP_STD_VER <= 17
705
  _LIBCPP_HIDE_FROM_ABI bool operator!=(const bitset& __rhs) const _NOEXCEPT;
706
#endif
707
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool test(size_t __pos) const;
708
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT;
709
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT;
710
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool none() const _NOEXCEPT { return !any(); }
711
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset operator<<(size_t __pos) const _NOEXCEPT;
712
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset operator>>(size_t __pos) const _NOEXCEPT;
713

714
private:
715
  template <class _CharT, class _Traits>
716
  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void
717
  __init_from_string_view(basic_string_view<_CharT, _Traits> __str, _CharT __zero, _CharT __one) {
718
    for (size_t __i = 0; __i < __str.size(); ++__i)
719
      if (!_Traits::eq(__str[__i], __zero) && !_Traits::eq(__str[__i], __one))
720
        std::__throw_invalid_argument("bitset string ctor has invalid argument");
721

722
    size_t __mp = std::min(__str.size(), _Size);
723
    size_t __i  = 0;
724
    for (; __i < __mp; ++__i) {
725
      _CharT __c   = __str[__mp - 1 - __i];
726
      (*this)[__i] = _Traits::eq(__c, __one);
727
    }
728
    std::fill(base::__make_iter(__i), base::__make_iter(_Size), false);
729
  }
730

731
  _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT { return base::__hash_code(); }
732

733
  friend struct hash<bitset>;
734
};
735

736
template <size_t _Size>
737
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>&
738
bitset<_Size>::operator&=(const bitset& __rhs) _NOEXCEPT {
739
  base::operator&=(__rhs);
740
  return *this;
741
}
742

743
template <size_t _Size>
744
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>&
745
bitset<_Size>::operator|=(const bitset& __rhs) _NOEXCEPT {
746
  base::operator|=(__rhs);
747
  return *this;
748
}
749

750
template <size_t _Size>
751
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>&
752
bitset<_Size>::operator^=(const bitset& __rhs) _NOEXCEPT {
753
  base::operator^=(__rhs);
754
  return *this;
755
}
756

757
template <size_t _Size>
758
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::operator<<=(size_t __pos) _NOEXCEPT {
759
  __pos = std::min(__pos, _Size);
760
  std::copy_backward(base::__make_iter(0), base::__make_iter(_Size - __pos), base::__make_iter(_Size));
761
  std::fill_n(base::__make_iter(0), __pos, false);
762
  return *this;
763
}
764

765
template <size_t _Size>
766
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::operator>>=(size_t __pos) _NOEXCEPT {
767
  __pos = std::min(__pos, _Size);
768
  std::copy(base::__make_iter(__pos), base::__make_iter(_Size), base::__make_iter(0));
769
  std::fill_n(base::__make_iter(_Size - __pos), __pos, false);
770
  return *this;
771
}
772

773
template <size_t _Size>
774
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::set() _NOEXCEPT {
775
  std::fill_n(base::__make_iter(0), _Size, true);
776
  return *this;
777
}
778

779
template <size_t _Size>
780
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::set(size_t __pos, bool __val) {
781
  if (__pos >= _Size)
782
    __throw_out_of_range("bitset set argument out of range");
783

784
  (*this)[__pos] = __val;
785
  return *this;
786
}
787

788
template <size_t _Size>
789
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::reset() _NOEXCEPT {
790
  std::fill_n(base::__make_iter(0), _Size, false);
791
  return *this;
792
}
793

794
template <size_t _Size>
795
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::reset(size_t __pos) {
796
  if (__pos >= _Size)
797
    __throw_out_of_range("bitset reset argument out of range");
798

799
  (*this)[__pos] = false;
800
  return *this;
801
}
802

803
template <size_t _Size>
804
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> bitset<_Size>::operator~() const _NOEXCEPT {
805
  bitset __x(*this);
806
  __x.flip();
807
  return __x;
808
}
809

810
template <size_t _Size>
811
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::flip() _NOEXCEPT {
812
  base::flip();
813
  return *this;
814
}
815

816
template <size_t _Size>
817
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::flip(size_t __pos) {
818
  if (__pos >= _Size)
819
    __throw_out_of_range("bitset flip argument out of range");
820

821
  reference __r = base::__make_ref(__pos);
822
  __r           = ~__r;
823
  return *this;
824
}
825

826
template <size_t _Size>
827
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long bitset<_Size>::to_ulong() const {
828
  return base::to_ulong();
829
}
830

831
template <size_t _Size>
832
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long bitset<_Size>::to_ullong() const {
833
  return base::to_ullong();
834
}
835

836
template <size_t _Size>
837
template <class _CharT, class _Traits, class _Allocator>
838
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, _Allocator>
839
bitset<_Size>::to_string(_CharT __zero, _CharT __one) const {
840
  basic_string<_CharT, _Traits, _Allocator> __r(_Size, __zero);
841
  for (size_t __i = 0; __i != _Size; ++__i) {
842
    if ((*this)[__i])
843
      __r[_Size - 1 - __i] = __one;
844
  }
845
  return __r;
846
}
847

848
template <size_t _Size>
849
template <class _CharT, class _Traits>
850
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, allocator<_CharT> >
851
bitset<_Size>::to_string(_CharT __zero, _CharT __one) const {
852
  return to_string<_CharT, _Traits, allocator<_CharT> >(__zero, __one);
853
}
854

855
template <size_t _Size>
856
template <class _CharT>
857
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> >
858
bitset<_Size>::to_string(_CharT __zero, _CharT __one) const {
859
  return to_string<_CharT, char_traits<_CharT>, allocator<_CharT> >(__zero, __one);
860
}
861

862
template <size_t _Size>
863
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<char, char_traits<char>, allocator<char> >
864
bitset<_Size>::to_string(char __zero, char __one) const {
865
  return to_string<char, char_traits<char>, allocator<char> >(__zero, __one);
866
}
867

868
template <size_t _Size>
869
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 size_t bitset<_Size>::count() const _NOEXCEPT {
870
  return static_cast<size_t>(std::count(base::__make_iter(0), base::__make_iter(_Size), true));
871
}
872

873
template <size_t _Size>
874
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool
875
bitset<_Size>::operator==(const bitset& __rhs) const _NOEXCEPT {
876
  return std::equal(base::__make_iter(0), base::__make_iter(_Size), __rhs.__make_iter(0));
877
}
878

879
#if _LIBCPP_STD_VER <= 17
880

881
template <size_t _Size>
882
inline _LIBCPP_HIDE_FROM_ABI bool bitset<_Size>::operator!=(const bitset& __rhs) const _NOEXCEPT {
883
  return !(*this == __rhs);
884
}
885

886
#endif
887

888
template <size_t _Size>
889
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::test(size_t __pos) const {
890
  if (__pos >= _Size)
891
    __throw_out_of_range("bitset test argument out of range");
892

893
  return (*this)[__pos];
894
}
895

896
template <size_t _Size>
897
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::all() const _NOEXCEPT {
898
  return base::all();
899
}
900

901
template <size_t _Size>
902
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::any() const _NOEXCEPT {
903
  return base::any();
904
}
905

906
template <size_t _Size>
907
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>
908
bitset<_Size>::operator<<(size_t __pos) const _NOEXCEPT {
909
  bitset __r = *this;
910
  __r <<= __pos;
911
  return __r;
912
}
913

914
template <size_t _Size>
915
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>
916
bitset<_Size>::operator>>(size_t __pos) const _NOEXCEPT {
917
  bitset __r = *this;
918
  __r >>= __pos;
919
  return __r;
920
}
921

922
template <size_t _Size>
923
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>
924
operator&(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT {
925
  bitset<_Size> __r = __x;
926
  __r &= __y;
927
  return __r;
928
}
929

930
template <size_t _Size>
931
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>
932
operator|(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT {
933
  bitset<_Size> __r = __x;
934
  __r |= __y;
935
  return __r;
936
}
937

938
template <size_t _Size>
939
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>
940
operator^(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT {
941
  bitset<_Size> __r = __x;
942
  __r ^= __y;
943
  return __r;
944
}
945

946
template <size_t _Size>
947
struct _LIBCPP_TEMPLATE_VIS hash<bitset<_Size> > : public __unary_function<bitset<_Size>, size_t> {
948
  _LIBCPP_HIDE_FROM_ABI size_t operator()(const bitset<_Size>& __bs) const _NOEXCEPT { return __bs.__hash_code(); }
949
};
950

951
template <class _CharT, class _Traits, size_t _Size>
952
_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
953
operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x);
954

955
template <class _CharT, class _Traits, size_t _Size>
956
_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
957
operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x);
958

959
_LIBCPP_END_NAMESPACE_STD
960

961
_LIBCPP_POP_MACROS
962

963
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
964
#  include <concepts>
965
#  include <cstdlib>
966
#  include <type_traits>
967
#endif
968

969
#endif // _LIBCPP_BITSET
970

Использование cookies

Мы используем файлы cookie в соответствии с Политикой конфиденциальности и Политикой использования cookies.

Нажимая кнопку «Принимаю», Вы даете АО «СберТех» согласие на обработку Ваших персональных данных в целях совершенствования нашего веб-сайта и Сервиса GitVerse, а также повышения удобства их использования.

Запретить использование cookies Вы можете самостоятельно в настройках Вашего браузера.