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 _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 { 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
714private:
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
736template <size_t _Size>
737inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>&
738bitset<_Size>::operator&=(const bitset& __rhs) _NOEXCEPT {
739 base::operator&=(__rhs);
740 return *this;
741}
742
743template <size_t _Size>
744inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>&
745bitset<_Size>::operator|=(const bitset& __rhs) _NOEXCEPT {
746 base::operator|=(__rhs);
747 return *this;
748}
749
750template <size_t _Size>
751inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>&
752bitset<_Size>::operator^=(const bitset& __rhs) _NOEXCEPT {
753 base::operator^=(__rhs);
754 return *this;
755}
756
757template <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
765template <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
773template <size_t _Size>
774inline _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
779template <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
788template <size_t _Size>
789inline _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
794template <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
803template <size_t _Size>
804inline _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
810template <size_t _Size>
811inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::flip() _NOEXCEPT {
812 base::flip();
813 return *this;
814}
815
816template <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
826template <size_t _Size>
827inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long bitset<_Size>::to_ulong() const {
828 return base::to_ulong();
829}
830
831template <size_t _Size>
832inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long bitset<_Size>::to_ullong() const {
833 return base::to_ullong();
834}
835
836template <size_t _Size>
837template <class _CharT, class _Traits, class _Allocator>
838_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, _Allocator>
839bitset<_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
848template <size_t _Size>
849template <class _CharT, class _Traits>
850inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, allocator<_CharT> >
851bitset<_Size>::to_string(_CharT __zero, _CharT __one) const {
852 return to_string<_CharT, _Traits, allocator<_CharT> >(__zero, __one);
853}
854
855template <size_t _Size>
856template <class _CharT>
857inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> >
858bitset<_Size>::to_string(_CharT __zero, _CharT __one) const {
859 return to_string<_CharT, char_traits<_CharT>, allocator<_CharT> >(__zero, __one);
860}
861
862template <size_t _Size>
863inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<char, char_traits<char>, allocator<char> >
864bitset<_Size>::to_string(char __zero, char __one) const {
865 return to_string<char, char_traits<char>, allocator<char> >(__zero, __one);
866}
867
868template <size_t _Size>
869inline _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
873template <size_t _Size>
874inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool
875bitset<_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
881template <size_t _Size>
882inline _LIBCPP_HIDE_FROM_ABI bool bitset<_Size>::operator!=(const bitset& __rhs) const _NOEXCEPT {
883 return !(*this == __rhs);
884}
885
886#endif
887
888template <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
896template <size_t _Size>
897inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::all() const _NOEXCEPT {
898 return base::all();
899}
900
901template <size_t _Size>
902inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::any() const _NOEXCEPT {
903 return base::any();
904}
905
906template <size_t _Size>
907inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>
908bitset<_Size>::operator<<(size_t __pos) const _NOEXCEPT {
909 bitset __r = *this;
910 __r <<= __pos;
911 return __r;
912}
913
914template <size_t _Size>
915inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>
916bitset<_Size>::operator>>(size_t __pos) const _NOEXCEPT {
917 bitset __r = *this;
918 __r >>= __pos;
919 return __r;
920}
921
922template <size_t _Size>
923inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>
924operator&(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT {
925 bitset<_Size> __r = __x;
926 __r &= __y;
927 return __r;
928}
929
930template <size_t _Size>
931inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>
932operator|(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT {
933 bitset<_Size> __r = __x;
934 __r |= __y;
935 return __r;
936}
937
938template <size_t _Size>
939inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>
940operator^(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT {
941 bitset<_Size> __r = __x;
942 __r ^= __y;
943 return __r;
944}
945
946template <size_t _Size>
947struct _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
951template <class _CharT, class _Traits, size_t _Size>
952_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
953operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x);
954
955template <class _CharT, class _Traits, size_t _Size>
956_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
957operator<<(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