42#ifndef _GLIBCXX_BITSET
43#define _GLIBCXX_BITSET 1
46#pragma GCC system_header
59#if __cplusplus >= 201103L
63#define __glibcxx_want_constexpr_bitset
66#define _GLIBCXX_BITSET_BITS_PER_WORD (__CHAR_BIT__ * __SIZEOF_LONG__)
67#define _GLIBCXX_BITSET_WORDS(__n) \
68 ((__n) / _GLIBCXX_BITSET_BITS_PER_WORD + \
69 ((__n) % _GLIBCXX_BITSET_BITS_PER_WORD == 0 ? 0 : 1))
71#define _GLIBCXX_BITSET_BITS_PER_ULL (__CHAR_BIT__ * __SIZEOF_LONG_LONG__)
73namespace std _GLIBCXX_VISIBILITY(default)
75_GLIBCXX_BEGIN_NAMESPACE_CONTAINER
86 typedef unsigned long _WordT;
91 _GLIBCXX_CONSTEXPR _Base_bitset() _GLIBCXX_NOEXCEPT
94#if __cplusplus >= 201103L
95 constexpr _Base_bitset(
unsigned long long __val) noexcept
97#if __SIZEOF_LONG_LONG__ > __SIZEOF_LONG__
98 , _WordT(__val >> _GLIBCXX_BITSET_BITS_PER_WORD)
102 _Base_bitset(
unsigned long __val)
107 static _GLIBCXX_CONSTEXPR
size_t
108 _S_whichword(
size_t __pos) _GLIBCXX_NOEXCEPT
109 {
return __pos / _GLIBCXX_BITSET_BITS_PER_WORD; }
111 static _GLIBCXX_CONSTEXPR
size_t
112 _S_whichbyte(
size_t __pos) _GLIBCXX_NOEXCEPT
113 {
return (__pos % _GLIBCXX_BITSET_BITS_PER_WORD) / __CHAR_BIT__; }
115 static _GLIBCXX_CONSTEXPR
size_t
116 _S_whichbit(
size_t __pos) _GLIBCXX_NOEXCEPT
117 {
return __pos % _GLIBCXX_BITSET_BITS_PER_WORD; }
119 static _GLIBCXX_CONSTEXPR _WordT
120 _S_maskbit(
size_t __pos) _GLIBCXX_NOEXCEPT
121 {
return (
static_cast<_WordT
>(1)) << _S_whichbit(__pos); }
123 _GLIBCXX14_CONSTEXPR _WordT&
124 _M_getword(
size_t __pos) _GLIBCXX_NOEXCEPT
125 {
return _M_w[_S_whichword(__pos)]; }
127 _GLIBCXX_CONSTEXPR _WordT
128 _M_getword(
size_t __pos)
const _GLIBCXX_NOEXCEPT
129 {
return _M_w[_S_whichword(__pos)]; }
131#if __cplusplus >= 201103L
132 constexpr const _WordT*
133 _M_getdata() const noexcept
137 _GLIBCXX23_CONSTEXPR _WordT&
138 _M_hiword() _GLIBCXX_NOEXCEPT
139 {
return _M_w[_Nw - 1]; }
141 _GLIBCXX_CONSTEXPR _WordT
142 _M_hiword() const _GLIBCXX_NOEXCEPT
143 {
return _M_w[_Nw - 1]; }
145 _GLIBCXX23_CONSTEXPR
void
146 _M_do_and(
const _Base_bitset<_Nw>& __x) _GLIBCXX_NOEXCEPT
148 for (
size_t __i = 0; __i < _Nw; __i++)
149 _M_w[__i] &= __x._M_w[__i];
152 _GLIBCXX14_CONSTEXPR
void
153 _M_do_or(
const _Base_bitset<_Nw>& __x) _GLIBCXX_NOEXCEPT
155 for (
size_t __i = 0; __i < _Nw; __i++)
156 _M_w[__i] |= __x._M_w[__i];
159 _GLIBCXX14_CONSTEXPR
void
160 _M_do_xor(
const _Base_bitset<_Nw>& __x) _GLIBCXX_NOEXCEPT
162 for (
size_t __i = 0; __i < _Nw; __i++)
163 _M_w[__i] ^= __x._M_w[__i];
166 _GLIBCXX14_CONSTEXPR
void
167 _M_do_left_shift(
size_t __shift) _GLIBCXX_NOEXCEPT;
169 _GLIBCXX14_CONSTEXPR
void
170 _M_do_right_shift(
size_t __shift) _GLIBCXX_NOEXCEPT;
172 _GLIBCXX14_CONSTEXPR
void
173 _M_do_flip() _GLIBCXX_NOEXCEPT
175 for (
size_t __i = 0; __i < _Nw; __i++)
179 _GLIBCXX14_CONSTEXPR
void
180 _M_do_set() _GLIBCXX_NOEXCEPT
182#if __cplusplus >= 201402L
183 if (__builtin_is_constant_evaluated())
185 for (_WordT& __w :
_M_w)
186 __w = ~static_cast<_WordT>(0);;
190 __builtin_memset(
_M_w, 0xFF, _Nw *
sizeof(_WordT));
193 _GLIBCXX14_CONSTEXPR
void
194 _M_do_reset() _GLIBCXX_NOEXCEPT
196#if __cplusplus >= 201402L
197 if (__builtin_is_constant_evaluated())
199 for (_WordT& __w :
_M_w)
204 __builtin_memset(
_M_w, 0, _Nw *
sizeof(_WordT));
207 _GLIBCXX14_CONSTEXPR
bool
208 _M_is_equal(
const _Base_bitset<_Nw>& __x)
const _GLIBCXX_NOEXCEPT
210#if __cplusplus >= 201402L
211 if (__builtin_is_constant_evaluated())
213 for (
size_t __i = 0; __i < _Nw; ++__i)
214 if (
_M_w[__i] != __x._M_w[__i])
219 return !__builtin_memcmp(
_M_w, __x._M_w, _Nw *
sizeof(_WordT));
223 _GLIBCXX14_CONSTEXPR
bool
224 _M_are_all() const _GLIBCXX_NOEXCEPT
226 for (
size_t __i = 0; __i < _Nw - 1; __i++)
227 if (
_M_w[__i] != ~
static_cast<_WordT
>(0))
229 return _M_hiword() == (~static_cast<_WordT>(0)
230 >> (_Nw * _GLIBCXX_BITSET_BITS_PER_WORD
234 _GLIBCXX14_CONSTEXPR
bool
235 _M_is_any() const _GLIBCXX_NOEXCEPT
237 for (
size_t __i = 0; __i < _Nw; __i++)
238 if (
_M_w[__i] !=
static_cast<_WordT
>(0))
243 _GLIBCXX14_CONSTEXPR
size_t
244 _M_do_count() const _GLIBCXX_NOEXCEPT
247 for (
size_t __i = 0; __i < _Nw; __i++)
248 __result += __builtin_popcountl(
_M_w[__i]);
252 _GLIBCXX14_CONSTEXPR
unsigned long
253 _M_do_to_ulong()
const;
255#if __cplusplus >= 201103L
256 _GLIBCXX14_CONSTEXPR
unsigned long long
257 _M_do_to_ullong()
const;
261 _GLIBCXX14_CONSTEXPR
size_t
262 _M_do_find_first(
size_t)
const _GLIBCXX_NOEXCEPT;
265 _GLIBCXX14_CONSTEXPR
size_t
266 _M_do_find_next(
size_t,
size_t)
const _GLIBCXX_NOEXCEPT;
271 _GLIBCXX14_CONSTEXPR
void
272 _Base_bitset<_Nw>::_M_do_left_shift(
size_t __shift) _GLIBCXX_NOEXCEPT
274 if (__builtin_expect(__shift != 0, 1))
276 const size_t __wshift = __shift / _GLIBCXX_BITSET_BITS_PER_WORD;
277 const size_t __offset = __shift % _GLIBCXX_BITSET_BITS_PER_WORD;
280 for (
size_t __n = _Nw - 1; __n >= __wshift; --__n)
281 _M_w[__n] = _M_w[__n - __wshift];
284 const size_t __sub_offset = (_GLIBCXX_BITSET_BITS_PER_WORD
286 for (
size_t __n = _Nw - 1; __n > __wshift; --__n)
287 _M_w[__n] = ((_M_w[__n - __wshift] << __offset)
288 | (_M_w[__n - __wshift - 1] >> __sub_offset));
289 _M_w[__wshift] = _M_w[0] << __offset;
292 std::fill(_M_w + 0, _M_w + __wshift,
static_cast<_WordT
>(0));
297 _GLIBCXX14_CONSTEXPR
void
298 _Base_bitset<_Nw>::_M_do_right_shift(
size_t __shift) _GLIBCXX_NOEXCEPT
300 if (__builtin_expect(__shift != 0, 1))
302 const size_t __wshift = __shift / _GLIBCXX_BITSET_BITS_PER_WORD;
303 const size_t __offset = __shift % _GLIBCXX_BITSET_BITS_PER_WORD;
304 const size_t __limit = _Nw - __wshift - 1;
307 for (
size_t __n = 0; __n <= __limit; ++__n)
308 _M_w[__n] = _M_w[__n + __wshift];
311 const size_t __sub_offset = (_GLIBCXX_BITSET_BITS_PER_WORD
313 for (
size_t __n = 0; __n < __limit; ++__n)
314 _M_w[__n] = ((_M_w[__n + __wshift] >> __offset)
315 | (_M_w[__n + __wshift + 1] << __sub_offset));
316 _M_w[__limit] = _M_w[_Nw-1] >> __offset;
319 std::fill(_M_w + __limit + 1, _M_w + _Nw,
static_cast<_WordT
>(0));
324 _GLIBCXX14_CONSTEXPR
unsigned long
325 _Base_bitset<_Nw>::_M_do_to_ulong()
const
327 for (
size_t __i = 1; __i < _Nw; ++__i)
329 __throw_overflow_error(__N(
"_Base_bitset::_M_do_to_ulong"));
333#if __cplusplus >= 201103L
335 _GLIBCXX14_CONSTEXPR
unsigned long long
336 _Base_bitset<_Nw>::_M_do_to_ullong()
const
338#if __SIZEOF_LONG_LONG__ == __SIZEOF_LONG__
339 return _M_do_to_ulong();
341 for (
size_t __i = 2; __i < _Nw; ++__i)
343 __throw_overflow_error(__N(
"_Base_bitset::_M_do_to_ullong"));
345 return _M_w[0] + (
static_cast<unsigned long long>(_M_w[1])
346 << _GLIBCXX_BITSET_BITS_PER_WORD);
352 _GLIBCXX14_CONSTEXPR
size_t
356 for (
size_t __i = 0; __i < _Nw; __i++)
358 _WordT __thisword = _M_w[__i];
359 if (__thisword !=
static_cast<_WordT
>(0))
360 return (__i * _GLIBCXX_BITSET_BITS_PER_WORD
361 + __builtin_ctzl(__thisword));
368 _GLIBCXX14_CONSTEXPR
size_t
370 _M_do_find_next(
size_t __prev,
size_t __not_found)
const _GLIBCXX_NOEXCEPT
376 if (__prev >= _Nw * _GLIBCXX_BITSET_BITS_PER_WORD)
380 size_t __i = _S_whichword(__prev);
381 _WordT __thisword = _M_w[__i];
384 __thisword &= (~static_cast<_WordT>(0)) << _S_whichbit(__prev);
386 if (__thisword !=
static_cast<_WordT
>(0))
387 return (__i * _GLIBCXX_BITSET_BITS_PER_WORD
388 + __builtin_ctzl(__thisword));
392 for (; __i < _Nw; __i++)
394 __thisword = _M_w[__i];
395 if (__thisword !=
static_cast<_WordT
>(0))
396 return (__i * _GLIBCXX_BITSET_BITS_PER_WORD
397 + __builtin_ctzl(__thisword));
409 struct _Base_bitset<1>
411 typedef unsigned long _WordT;
414 _GLIBCXX_CONSTEXPR _Base_bitset() _GLIBCXX_NOEXCEPT
418#if __cplusplus >= 201103L
419 constexpr _Base_bitset(
unsigned long long __val)
noexcept
421 _Base_bitset(
unsigned long __val)
426 static _GLIBCXX_CONSTEXPR
size_t
427 _S_whichword(
size_t __pos) _GLIBCXX_NOEXCEPT
428 {
return __pos / _GLIBCXX_BITSET_BITS_PER_WORD; }
430 static _GLIBCXX_CONSTEXPR
size_t
431 _S_whichbyte(
size_t __pos) _GLIBCXX_NOEXCEPT
432 {
return (__pos % _GLIBCXX_BITSET_BITS_PER_WORD) / __CHAR_BIT__; }
434 static _GLIBCXX_CONSTEXPR
size_t
435 _S_whichbit(
size_t __pos) _GLIBCXX_NOEXCEPT
436 {
return __pos % _GLIBCXX_BITSET_BITS_PER_WORD; }
438 static _GLIBCXX_CONSTEXPR _WordT
439 _S_maskbit(
size_t __pos) _GLIBCXX_NOEXCEPT
440 {
return (
static_cast<_WordT
>(1)) << _S_whichbit(__pos); }
442 _GLIBCXX14_CONSTEXPR _WordT&
443 _M_getword(
size_t) _GLIBCXX_NOEXCEPT
446 _GLIBCXX_CONSTEXPR _WordT
447 _M_getword(
size_t)
const _GLIBCXX_NOEXCEPT
450#if __cplusplus >= 201103L
451 constexpr const _WordT*
452 _M_getdata()
const noexcept
456 _GLIBCXX14_CONSTEXPR _WordT&
457 _M_hiword() _GLIBCXX_NOEXCEPT
460 _GLIBCXX_CONSTEXPR _WordT
461 _M_hiword()
const _GLIBCXX_NOEXCEPT
464 _GLIBCXX14_CONSTEXPR
void
465 _M_do_and(
const _Base_bitset<1>& __x) _GLIBCXX_NOEXCEPT
466 { _M_w &= __x.
_M_w; }
468 _GLIBCXX14_CONSTEXPR
void
469 _M_do_or(
const _Base_bitset<1>& __x) _GLIBCXX_NOEXCEPT
470 { _M_w |= __x.
_M_w; }
472 _GLIBCXX14_CONSTEXPR
void
473 _M_do_xor(
const _Base_bitset<1>& __x) _GLIBCXX_NOEXCEPT
474 { _M_w ^= __x.
_M_w; }
476 _GLIBCXX14_CONSTEXPR
void
477 _M_do_left_shift(
size_t __shift) _GLIBCXX_NOEXCEPT
478 { _M_w <<= __shift; }
480 _GLIBCXX14_CONSTEXPR
void
481 _M_do_right_shift(
size_t __shift) _GLIBCXX_NOEXCEPT
482 { _M_w >>= __shift; }
484 _GLIBCXX14_CONSTEXPR
void
485 _M_do_flip() _GLIBCXX_NOEXCEPT
488 _GLIBCXX14_CONSTEXPR
void
489 _M_do_set() _GLIBCXX_NOEXCEPT
490 { _M_w = ~static_cast<_WordT>(0); }
492 _GLIBCXX14_CONSTEXPR
void
493 _M_do_reset() _GLIBCXX_NOEXCEPT
496 _GLIBCXX14_CONSTEXPR
bool
497 _M_is_equal(
const _Base_bitset<1>& __x)
const _GLIBCXX_NOEXCEPT
498 {
return _M_w == __x.
_M_w; }
501 _GLIBCXX14_CONSTEXPR
bool
502 _M_are_all()
const _GLIBCXX_NOEXCEPT
503 {
return _M_w == (~static_cast<_WordT>(0)
504 >> (_GLIBCXX_BITSET_BITS_PER_WORD - _Nb)); }
506 _GLIBCXX14_CONSTEXPR
bool
507 _M_is_any()
const _GLIBCXX_NOEXCEPT
508 {
return _M_w != 0; }
510 _GLIBCXX14_CONSTEXPR
size_t
511 _M_do_count()
const _GLIBCXX_NOEXCEPT
512 {
return __builtin_popcountl(_M_w); }
514 _GLIBCXX14_CONSTEXPR
unsigned long
515 _M_do_to_ulong()
const _GLIBCXX_NOEXCEPT
518#if __cplusplus >= 201103L
519 constexpr unsigned long long
520 _M_do_to_ullong()
const noexcept
524 _GLIBCXX14_CONSTEXPR
size_t
525 _M_do_find_first(
size_t __not_found)
const _GLIBCXX_NOEXCEPT
528 return __builtin_ctzl(_M_w);
534 _GLIBCXX14_CONSTEXPR
size_t
535 _M_do_find_next(
size_t __prev,
size_t __not_found)
const
539 if (__prev >= ((
size_t) _GLIBCXX_BITSET_BITS_PER_WORD))
542 _WordT __x = _M_w >> __prev;
544 return __builtin_ctzl(__x) + __prev;
556 struct _Base_bitset<0>
558 typedef unsigned long _WordT;
560 _GLIBCXX_CONSTEXPR _Base_bitset() _GLIBCXX_NOEXCEPT
563#if __cplusplus >= 201103L
564 constexpr _Base_bitset(
unsigned long long)
noexcept
566 _Base_bitset(
unsigned long)
570 static _GLIBCXX_CONSTEXPR
size_t
571 _S_whichword(
size_t __pos) _GLIBCXX_NOEXCEPT
572 {
return __pos / _GLIBCXX_BITSET_BITS_PER_WORD; }
574 static _GLIBCXX_CONSTEXPR
size_t
575 _S_whichbyte(
size_t __pos) _GLIBCXX_NOEXCEPT
576 {
return (__pos % _GLIBCXX_BITSET_BITS_PER_WORD) / __CHAR_BIT__; }
578 static _GLIBCXX_CONSTEXPR
size_t
579 _S_whichbit(
size_t __pos) _GLIBCXX_NOEXCEPT
580 {
return __pos % _GLIBCXX_BITSET_BITS_PER_WORD; }
582 static _GLIBCXX_CONSTEXPR _WordT
583 _S_maskbit(
size_t __pos) _GLIBCXX_NOEXCEPT
584 {
return (
static_cast<_WordT
>(1)) << _S_whichbit(__pos); }
592 __attribute__((__noreturn__))
594 _M_getword(
size_t) _GLIBCXX_NOEXCEPT
595 { __throw_out_of_range(__N(
"_Base_bitset::_M_getword")); }
597 _GLIBCXX_CONSTEXPR _WordT
598 _M_getword(
size_t)
const _GLIBCXX_NOEXCEPT
601 _GLIBCXX_CONSTEXPR _WordT
602 _M_hiword()
const _GLIBCXX_NOEXCEPT
605 _GLIBCXX14_CONSTEXPR
void
606 _M_do_and(
const _Base_bitset<0>&) _GLIBCXX_NOEXCEPT
609 _GLIBCXX14_CONSTEXPR
void
610 _M_do_or(
const _Base_bitset<0>&) _GLIBCXX_NOEXCEPT
613 _GLIBCXX14_CONSTEXPR
void
614 _M_do_xor(
const _Base_bitset<0>&) _GLIBCXX_NOEXCEPT
617 _GLIBCXX14_CONSTEXPR
void
618 _M_do_left_shift(
size_t) _GLIBCXX_NOEXCEPT
621 _GLIBCXX14_CONSTEXPR
void
622 _M_do_right_shift(
size_t) _GLIBCXX_NOEXCEPT
625 _GLIBCXX14_CONSTEXPR
void
626 _M_do_flip() _GLIBCXX_NOEXCEPT
629 _GLIBCXX14_CONSTEXPR
void
630 _M_do_set() _GLIBCXX_NOEXCEPT
633 _GLIBCXX14_CONSTEXPR
void
634 _M_do_reset() _GLIBCXX_NOEXCEPT
640 _GLIBCXX_CONSTEXPR
bool
641 _M_is_equal(
const _Base_bitset<0>&)
const _GLIBCXX_NOEXCEPT
645 _GLIBCXX_CONSTEXPR
bool
646 _M_are_all()
const _GLIBCXX_NOEXCEPT
649 _GLIBCXX_CONSTEXPR
bool
650 _M_is_any()
const _GLIBCXX_NOEXCEPT
653 _GLIBCXX_CONSTEXPR
size_t
654 _M_do_count()
const _GLIBCXX_NOEXCEPT
657 _GLIBCXX_CONSTEXPR
unsigned long
658 _M_do_to_ulong()
const _GLIBCXX_NOEXCEPT
661#if __cplusplus >= 201103L
662 constexpr unsigned long long
663 _M_do_to_ullong()
const noexcept
669 _GLIBCXX_CONSTEXPR
size_t
670 _M_do_find_first(
size_t)
const _GLIBCXX_NOEXCEPT
673 _GLIBCXX_CONSTEXPR
size_t
674 _M_do_find_next(
size_t,
size_t)
const _GLIBCXX_NOEXCEPT
680 template<
size_t _Extrabits>
683 typedef unsigned long _WordT;
685 static _GLIBCXX14_CONSTEXPR
void
686 _S_do_sanitize(_WordT& __val) _GLIBCXX_NOEXCEPT
687 { __val &= ~((~static_cast<_WordT>(0)) << _Extrabits); }
693 typedef unsigned long _WordT;
695 static _GLIBCXX14_CONSTEXPR
void
696 _S_do_sanitize(_WordT) _GLIBCXX_NOEXCEPT { }
699#if __cplusplus >= 201103L
700 template<
size_t _Nb,
bool = (_Nb < _GLIBCXX_BITSET_BITS_PER_ULL)>
703 static constexpr
unsigned long long
704 _S_do_sanitize_val(
unsigned long long __val)
709 struct _Sanitize_val<_Nb, true>
711 static constexpr unsigned long long
712 _S_do_sanitize_val(
unsigned long long __val)
713 {
return __val & ~((~static_cast<unsigned long long>(0)) << _Nb); }
719 template<
typename _CharT>
720 using __string = std::basic_string<_CharT>;
722 template<
typename _CharT>
730 static _GLIBCXX14_CONSTEXPR
size_t
731 length(
const _CharT* __s)
noexcept
739 static constexpr bool
740 eq(_CharT __l, _CharT __r)
noexcept
741 {
return __l == __r; }
813 :
private _Base_bitset<_GLIBCXX_BITSET_WORDS(_Nb)>
816 typedef _Base_bitset<_GLIBCXX_BITSET_WORDS(_Nb)> _Base;
817 typedef unsigned long _WordT;
820 template<
class _CharT,
class _Traits,
class _Alloc>
824 size_t __position)
const
826 if (__position > __s.
size())
827 __throw_out_of_range_fmt(__N(
"bitset::bitset: __position "
828 "(which is %zu) > __s.size() "
830 __position, __s.
size());
835 void _M_check(
size_t __position,
const char *__s)
const
837 if (__position >= _Nb)
838 __throw_out_of_range_fmt(__N(
"%s: __position (which is %zu) "
839 ">= _Nb (which is %zu)"),
840 __s, __position, _Nb);
845 _M_do_sanitize() _GLIBCXX_NOEXCEPT
847 typedef _Sanitize<_Nb % _GLIBCXX_BITSET_BITS_PER_WORD> __sanitize_type;
848 __sanitize_type::_S_do_sanitize(this->_M_hiword());
851#if __cplusplus >= 201103L
876 reference(bitset& __b,
size_t __pos) _GLIBCXX_NOEXCEPT
878 _M_wp = &__b._M_getword(__pos);
879 _M_bpos = _Base::_S_whichbit(__pos);
883#if __cplusplus >= 201103L
884 reference(
const reference&) =
default;
887#if __cplusplus > 202002L && __cpp_constexpr_dynamic_alloc
890 ~reference() _GLIBCXX_NOEXCEPT
896 operator=(
bool __x) _GLIBCXX_NOEXCEPT
899 *_M_wp |= _Base::_S_maskbit(_M_bpos);
901 *_M_wp &= ~_Base::_S_maskbit(_M_bpos);
908 operator=(
const reference& __j) _GLIBCXX_NOEXCEPT
910 if ((*(__j._M_wp) & _Base::_S_maskbit(__j._M_bpos)))
911 *_M_wp |= _Base::_S_maskbit(_M_bpos);
913 *_M_wp &= ~_Base::_S_maskbit(_M_bpos);
920 operator~()
const _GLIBCXX_NOEXCEPT
921 {
return (*(_M_wp) & _Base::_S_maskbit(_M_bpos)) == 0; }
925 operator bool()
const _GLIBCXX_NOEXCEPT
926 {
return (*(_M_wp) & _Base::_S_maskbit(_M_bpos)) != 0; }
931 flip() _GLIBCXX_NOEXCEPT
933 *_M_wp ^= _Base::_S_maskbit(_M_bpos);
941 _GLIBCXX_CONSTEXPR
bitset() _GLIBCXX_NOEXCEPT
945#if __cplusplus >= 201103L
946 constexpr bitset(
unsigned long long __val) noexcept
947 : _Base(_Sanitize_val<_Nb>::_S_do_sanitize_val(__val)) { }
949 bitset(
unsigned long __val)
951 { _M_do_sanitize(); }
964 template<
class _CharT,
class _Traits,
class _Alloc>
968 size_t __position = 0)
971 _M_check_initial_position(__s, __position);
972 _M_copy_from_string(__s, __position,
974 _CharT(
'0'), _CharT(
'1'));
987 template<
class _CharT,
class _Traits,
class _Alloc>
990 size_t __position,
size_t __n)
993 _M_check_initial_position(__s, __position);
994 _M_copy_from_string(__s, __position, __n, _CharT(
'0'), _CharT(
'1'));
999 template<
class _CharT,
class _Traits,
class _Alloc>
1000 _GLIBCXX23_CONSTEXPR
1002 size_t __position,
size_t __n,
1003 _CharT __zero, _CharT __one = _CharT(
'1'))
1006 _M_check_initial_position(__s, __position);
1007 _M_copy_from_string(__s, __position, __n, __zero, __one);
1011#if __cplusplus >= 201103L
1021 template<
typename _CharT>
1022 [[__gnu__::__nonnull__]]
1023 _GLIBCXX23_CONSTEXPR
1026 typename __bitset::__string<_CharT>::size_type __n
1028 _CharT __zero = _CharT(
'0'), _CharT __one = _CharT(
'1'))
1033 __throw_logic_error(__N(
"bitset::bitset(const _CharT*, ...)"));
1035 using _Traits =
typename __bitset::__string<_CharT>::traits_type;
1038 __n = _Traits::length(__str);
1039 _M_copy_from_ptr<_CharT, _Traits>(__str, __n, 0, __n, __zero, __one);
1051 _GLIBCXX23_CONSTEXPR
1055 this->_M_do_and(__rhs);
1059 _GLIBCXX23_CONSTEXPR
1063 this->_M_do_or(__rhs);
1067 _GLIBCXX23_CONSTEXPR
1071 this->_M_do_xor(__rhs);
1083 _GLIBCXX23_CONSTEXPR
1087 if (__builtin_expect(__position < _Nb, 1))
1089 this->_M_do_left_shift(__position);
1090 this->_M_do_sanitize();
1093 this->_M_do_reset();
1097 _GLIBCXX23_CONSTEXPR
1101 if (__builtin_expect(__position < _Nb, 1))
1102 this->_M_do_right_shift(__position);
1104 this->_M_do_reset();
1115 _GLIBCXX23_CONSTEXPR
1119 this->_M_getword(__pos) |= _Base::_S_maskbit(__pos);
1123 _GLIBCXX23_CONSTEXPR
1128 this->_M_getword(__pos) |= _Base::_S_maskbit(__pos);
1130 this->_M_getword(__pos) &= ~_Base::_S_maskbit(__pos);
1134 _GLIBCXX23_CONSTEXPR
1138 this->_M_getword(__pos) &= ~_Base::_S_maskbit(__pos);
1142 _GLIBCXX23_CONSTEXPR
1146 this->_M_getword(__pos) ^= _Base::_S_maskbit(__pos);
1150 _GLIBCXX_CONSTEXPR
bool
1152 {
return ((this->_M_getword(__pos) & _Base::_S_maskbit(__pos))
1153 !=
static_cast<_WordT
>(0)); }
1160 _GLIBCXX23_CONSTEXPR
1165 this->_M_do_sanitize();
1175 _GLIBCXX23_CONSTEXPR
1177 set(
size_t __position,
bool __val =
true)
1179 this->_M_check(__position, __N(
"bitset::set"));
1186 _GLIBCXX23_CONSTEXPR
1190 this->_M_do_reset();
1201 _GLIBCXX23_CONSTEXPR
1205 this->_M_check(__position, __N(
"bitset::reset"));
1212 _GLIBCXX23_CONSTEXPR
1217 this->_M_do_sanitize();
1226 _GLIBCXX23_CONSTEXPR
1230 this->_M_check(__position, __N(
"bitset::flip"));
1235 _GLIBCXX23_CONSTEXPR
1255 _GLIBCXX23_CONSTEXPR
1258 {
return reference(*
this, __position); }
1260 _GLIBCXX_CONSTEXPR
bool
1271 _GLIBCXX23_CONSTEXPR
1274 {
return this->_M_do_to_ulong(); }
1276#if __cplusplus >= 201103L
1277 _GLIBCXX23_CONSTEXPR
1280 {
return this->_M_do_to_ullong(); }
1292 template<
class _CharT,
class _Traits,
class _Alloc>
1293 _GLIBCXX23_CONSTEXPR
1298 _M_copy_to_string(__result, _CharT(
'0'), _CharT(
'1'));
1304 template<
class _CharT,
class _Traits,
class _Alloc>
1305 _GLIBCXX23_CONSTEXPR
1307 to_string(_CharT __zero, _CharT __one = _CharT(
'1'))
const
1310 _M_copy_to_string(__result, __zero, __one);
1316 template<
class _CharT,
class _Traits>
1317 _GLIBCXX23_CONSTEXPR
1320 {
return to_string<_CharT, _Traits, std::allocator<_CharT> >(); }
1324 template<
class _CharT,
class _Traits>
1325 _GLIBCXX23_CONSTEXPR
1326 std::basic_string<_CharT, _Traits, std::allocator<_CharT> >
1327 to_string(_CharT __zero, _CharT __one = _CharT(
'1'))
const
1328 {
return to_string<_CharT, _Traits,
1329 std::allocator<_CharT> >(__zero, __one); }
1331 template<
class _CharT>
1332 _GLIBCXX23_CONSTEXPR
1333 std::basic_string<_CharT, std::char_traits<_CharT>,
1334 std::allocator<_CharT> >
1337 return to_string<_CharT, std::char_traits<_CharT>,
1338 std::allocator<_CharT> >();
1341 template<
class _CharT>
1342 _GLIBCXX23_CONSTEXPR
1343 std::basic_string<_CharT, std::char_traits<_CharT>,
1344 std::allocator<_CharT> >
1345 to_string(_CharT __zero, _CharT __one = _CharT(
'1'))
const
1347 return to_string<_CharT, std::char_traits<_CharT>,
1348 std::allocator<_CharT> >(__zero, __one);
1351 _GLIBCXX23_CONSTEXPR
1352 std::basic_string<char, std::char_traits<char>, std::allocator<char> >
1355 return to_string<char, std::char_traits<char>,
1356 std::allocator<char> >();
1359 _GLIBCXX23_CONSTEXPR
1360 std::basic_string<char, std::char_traits<char>, std::allocator<char> >
1361 to_string(
char __zero,
char __one =
'1')
const
1363 return to_string<char, std::char_traits<char>,
1364 std::allocator<char> >(__zero, __one);
1369 _GLIBCXX23_CONSTEXPR
1372 {
return this->_M_do_count(); }
1375 _GLIBCXX_CONSTEXPR
size_t
1381 _GLIBCXX23_CONSTEXPR
1384 {
return this->_M_is_equal(__rhs); }
1386#if __cpp_impl_three_way_comparison < 201907L
1387 _GLIBCXX23_CONSTEXPR
1389 operator!=(
const bitset<_Nb>& __rhs)
const _GLIBCXX_NOEXCEPT
1390 {
return !this->_M_is_equal(__rhs); }
1400 _GLIBCXX23_CONSTEXPR
1404 this->_M_check(__position, __N(
"bitset::test"));
1414 _GLIBCXX23_CONSTEXPR
1417 {
return this->
template _M_are_all<_Nb>(); }
1423 _GLIBCXX23_CONSTEXPR
1426 {
return this->_M_is_any(); }
1432 _GLIBCXX23_CONSTEXPR
1435 {
return !this->_M_is_any(); }
1439 _GLIBCXX23_CONSTEXPR
1441 operator<<(
size_t __position)
const _GLIBCXX_NOEXCEPT
1444 _GLIBCXX23_CONSTEXPR
1456 _GLIBCXX23_CONSTEXPR
1459 {
return this->_M_do_find_first(_Nb); }
1468 _GLIBCXX23_CONSTEXPR
1471 {
return this->_M_do_find_next(__prev, _Nb); }
1475 template<
class _CharT,
class _Traits>
1476 _GLIBCXX23_CONSTEXPR
1478 _M_copy_from_ptr(
const _CharT*,
size_t,
size_t,
size_t,
1482 template<
class _CharT,
class _Traits,
class _Alloc>
1483 _GLIBCXX23_CONSTEXPR
1486 _Traits, _Alloc>& __s,
size_t __pos,
size_t __n,
1487 _CharT __zero, _CharT __one)
1488 { _M_copy_from_ptr<_CharT, _Traits>(__s.
data(), __s.
size(), __pos, __n,
1491 template<
class _CharT,
class _Traits,
class _Alloc>
1492 _GLIBCXX23_CONSTEXPR
1495 _CharT, _CharT)
const;
1497 template<
class _CharT,
class _Traits,
size_t _Nb2>
1501 template <
class _CharT,
class _Traits,
size_t _Nb2>
1508 template<
size_t _Nb>
1509 template<
class _CharT,
class _Traits>
1510 _GLIBCXX23_CONSTEXPR
1514 size_t __pos,
size_t __n, _CharT __zero, _CharT __one)
1517 const size_t __nbits =
std::min(_Nb,
std::min(__n,
size_t(__len - __pos)));
1518 for (
size_t __i = __nbits; __i > 0; --__i)
1520 const _CharT __c = __s[__pos + __nbits - __i];
1521 if (_Traits::eq(__c, __zero))
1523 else if (_Traits::eq(__c, __one))
1524 _Unchecked_set(__i - 1);
1526 __throw_invalid_argument(__N(
"bitset::_M_copy_from_ptr"));
1531 template<
size_t _Nb>
1532 template<
class _CharT,
class _Traits,
class _Alloc>
1533 _GLIBCXX23_CONSTEXPR
1537 _CharT __zero, _CharT __one)
const
1540 size_t __n = this->_Find_first();
1543 __s[_Nb - __n - 1] = __one;
1544 __n = _Find_next(__n);
1559 template<
size_t _Nb>
1560 _GLIBCXX23_CONSTEXPR
1569 template<
size_t _Nb>
1570 _GLIBCXX23_CONSTEXPR
1579 template <
size_t _Nb>
1580 _GLIBCXX23_CONSTEXPR
1600 template<
class _CharT,
class _Traits,
size_t _Nb>
1604 typedef typename _Traits::char_type char_type;
1606 typedef typename __istream_type::ios_base __ios_base;
1610 static _GLIBCXX_CONSTEXPR
bool _S_use_alloca() {
return _Nb <= 256; }
1612 explicit _Buffer(_CharT* __p) : _M_ptr(__p) { }
1616 if _GLIBCXX17_CONSTEXPR (!_S_use_alloca())
1620 _CharT*
const _M_ptr;
1623 if _GLIBCXX17_CONSTEXPR (_Buffer::_S_use_alloca())
1624 __ptr = (_CharT*)__builtin_alloca(_Nb);
1626 __ptr =
new _CharT[_Nb];
1627 const _Buffer __buf(__ptr);
1631 const char_type __zero = __is.
widen(
'0');
1632 const char_type __one = __is.
widen(
'1');
1634 typename __ios_base::iostate __state = __ios_base::goodbit;
1635 typename __istream_type::sentry __sentry(__is);
1640 for (
size_t __i = _Nb; __i > 0; --__i)
1642 static typename _Traits::int_type __eof = _Traits::eof();
1644 typename _Traits::int_type __c1 = __is.
rdbuf()->sbumpc();
1645 if (_Traits::eq_int_type(__c1, __eof))
1647 __state |= __ios_base::eofbit;
1652 const char_type __c2 = _Traits::to_char_type(__c1);
1653 if (_Traits::eq(__c2, __zero))
1655 else if (_Traits::eq(__c2, __one))
1658 eq_int_type(__is.
rdbuf()->sputbackc(__c2),
1661 __state |= __ios_base::failbit;
1669 __is._M_setstate(__ios_base::badbit);
1670 __throw_exception_again;
1673 { __is._M_setstate(__ios_base::badbit); }
1676 if _GLIBCXX17_CONSTEXPR (_Nb)
1678 if (
size_t __len = __ptr - __buf._M_ptr)
1679 __x.template _M_copy_from_ptr<_CharT, _Traits>(__buf._M_ptr, __len,
1683 __state |= __ios_base::failbit;
1690 template <
class _CharT,
class _Traits,
size_t _Nb>
1693 const bitset<_Nb>& __x)
1700 __x._M_copy_to_string(__tmp, __ct.widen(
'0'), __ct.widen(
'1'));
1701 return __os << __tmp;
1706_GLIBCXX_END_NAMESPACE_CONTAINER
1709#undef _GLIBCXX_BITSET_WORDS
1710#undef _GLIBCXX_BITSET_BITS_PER_WORD
1711#undef _GLIBCXX_BITSET_BITS_PER_ULL
1713#if __cplusplus >= 201103L
1715namespace std _GLIBCXX_VISIBILITY(default)
1717_GLIBCXX_BEGIN_NAMESPACE_VERSION
1721 template<
size_t _Nb>
1723 :
public __hash_base<size_t, _GLIBCXX_STD_C::bitset<_Nb>>
1726 operator()(
const _GLIBCXX_STD_C::bitset<_Nb>& __b)
const noexcept
1728 const size_t __clength = (_Nb + __CHAR_BIT__ - 1) / __CHAR_BIT__;
1729 return std::_Hash_impl::hash(__b._M_getdata(), __clength);
1735 :
public __hash_base<size_t, _GLIBCXX_STD_C::bitset<0>>
1738 operator()(
const _GLIBCXX_STD_C::bitset<0>&)
const noexcept
1742_GLIBCXX_END_NAMESPACE_VERSION
1747#if defined _GLIBCXX_DEBUG && _GLIBCXX_HOSTED
constexpr bitset< _Nb > & _Unchecked_reset(size_t __pos) noexcept
constexpr bitset< _Nb > & _Unchecked_flip(size_t __pos) noexcept
constexpr size_t _Find_first() const noexcept
Finds the index of the first "on" bit.
constexpr bool _Unchecked_test(size_t __pos) const noexcept
constexpr bitset< _Nb > & _Unchecked_set(size_t __pos) noexcept
constexpr bitset< _Nb > & _Unchecked_set(size_t __pos, int __val) noexcept
constexpr size_t _Find_next(size_t __prev) const noexcept
Finds the index of the next "on" bit after prev.
constexpr const _Tp & min(const _Tp &, const _Tp &)
This does what you think it does.
const _Facet & use_facet(const locale &__loc)
Return a facet.
ISO C++ entities toplevel namespace is std.
constexpr bitset< _Nb > operator^(const bitset< _Nb > &__x, const bitset< _Nb > &__y) noexcept
Global bitwise operations on bitsets.
std::basic_istream< _CharT, _Traits > & operator>>(std::basic_istream< _CharT, _Traits > &__is, bitset< _Nb > &__x)
Global I/O operators for bitsets.
std::basic_ostream< _CharT, _Traits > & operator<<(std::basic_ostream< _CharT, _Traits > &__os, const bitset< _Nb > &__x)
Global I/O operators for bitsets.
constexpr bitset< _Nb > operator|(const bitset< _Nb > &__x, const bitset< _Nb > &__y) noexcept
Global bitwise operations on bitsets.
constexpr bitset< _Nb > operator&(const bitset< _Nb > &__x, const bitset< _Nb > &__y) noexcept
Global bitwise operations on bitsets.
The bitset class represents a fixed-size sequence of bits.
constexpr reference operator[](size_t __position)
Array-indexing support.
constexpr bitset< _Nb > & operator>>=(size_t __position) noexcept
constexpr bitset< _Nb > & flip() noexcept
Toggles every bit to its opposite value.
constexpr bitset< _Nb > & operator&=(const bitset< _Nb > &__rhs) noexcept
constexpr bitset< _Nb > operator>>(size_t __position) const noexcept
Self-explanatory.
constexpr unsigned long to_ulong() const
Returns a numerical interpretation of the bitset.
constexpr bool any() const noexcept
Tests whether any of the bits are on.
constexpr bitset() noexcept
All bits set to zero.
constexpr bitset< _Nb > & operator^=(const bitset< _Nb > &__rhs) noexcept
constexpr bool test(size_t __position) const
Tests the value of a bit.
constexpr bitset< _Nb > operator~() const noexcept
See the no-argument flip().
constexpr bitset< _Nb > & operator|=(const bitset< _Nb > &__rhs) noexcept
constexpr bitset< _Nb > & set(size_t __position, bool __val=true)
Sets a given bit to a particular value.
constexpr size_t count() const noexcept
Returns the number of bits which are set.
constexpr bitset< _Nb > & operator<<=(size_t __position) noexcept
constexpr std::basic_string< _CharT, _Traits, _Alloc > to_string() const
Returns a character interpretation of the bitset.
constexpr bitset(const _CharT *__str, typename __bitset::__string< _CharT >::size_type __n=__bitset::__string< _CharT >::npos, _CharT __zero=_CharT('0'), _CharT __one=_CharT('1'))
constexpr bitset< _Nb > & reset() noexcept
Sets every bit to false.
constexpr bitset< _Nb > & set() noexcept
Sets every bit to true.
constexpr bitset(const std::basic_string< _CharT, _Traits, _Alloc > &__s, size_t __position=0)
constexpr bitset(const std::basic_string< _CharT, _Traits, _Alloc > &__s, size_t __position, size_t __n)
constexpr bitset(unsigned long long __val) noexcept
Initial bits bitwise-copied from a single word (others set to zero).
constexpr size_t size() const noexcept
Returns the total number of bits.
constexpr bool all() const noexcept
Tests whether all the bits are on.
constexpr bitset< _Nb > & reset(size_t __position)
Sets a given bit to false.
constexpr bool none() const noexcept
Tests whether any of the bits are on.
constexpr bool operator==(const bitset< _Nb > &__rhs) const noexcept
These comparisons for equality/inequality are, well, bitwise.
constexpr bool operator[](size_t __position) const
Array-indexing support.
constexpr bitset< _Nb > & flip(size_t __position)
Toggles a given bit to its opposite value.
void setstate(iostate __state)
Sets additional flags in the error state.
char_type widen(char __c) const
Widens characters.
basic_streambuf< _CharT, _Traits > * rdbuf() const
Accessing the underlying buffer.
Template class basic_istream.
Template class basic_ostream.
Primary class template hash.
Managing sequences of characters and character-like objects.
constexpr size_type size() const noexcept
Returns the number of characters in the string, not including any null-termination.
constexpr const _CharT * data() const noexcept
Return const pointer to contents.
constexpr basic_string & assign(const basic_string &__str)
Set value to contents of another string.
static const size_type npos
Value returned by various member functions when they fail.
Thrown as part of forced unwinding.
locale getloc() const
Locale access.