42 #ifndef _GLIBCXX_BITSET
43 #define _GLIBCXX_BITSET 1
45 #pragma GCC system_header
53 #define _GLIBCXX_BITSET_BITS_PER_WORD (__CHAR_BIT__ * __SIZEOF_LONG__)
54 #define _GLIBCXX_BITSET_WORDS(__n) \
55 ((__n) / _GLIBCXX_BITSET_BITS_PER_WORD + \
56 ((__n) % _GLIBCXX_BITSET_BITS_PER_WORD == 0 ? 0 : 1))
58 #define _GLIBCXX_BITSET_BITS_PER_ULL (__CHAR_BIT__ * __SIZEOF_LONG_LONG__)
60 namespace std _GLIBCXX_VISIBILITY(default)
62 _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
73 typedef unsigned long _WordT;
81 #if __cplusplus >= 201103L
82 constexpr
_Base_bitset(
unsigned long long __val) noexcept
84 #if __SIZEOF_LONG_LONG__ > __SIZEOF_LONG__
85 , _WordT(__val >> _GLIBCXX_BITSET_BITS_PER_WORD)
89 _Base_bitset(
unsigned long __val)
94 static _GLIBCXX_CONSTEXPR
size_t
95 _S_whichword(
size_t __pos) _GLIBCXX_NOEXCEPT
96 {
return __pos / _GLIBCXX_BITSET_BITS_PER_WORD; }
98 static _GLIBCXX_CONSTEXPR
size_t
99 _S_whichbyte(
size_t __pos) _GLIBCXX_NOEXCEPT
100 {
return (__pos % _GLIBCXX_BITSET_BITS_PER_WORD) / __CHAR_BIT__; }
102 static _GLIBCXX_CONSTEXPR
size_t
103 _S_whichbit(
size_t __pos) _GLIBCXX_NOEXCEPT
104 {
return __pos % _GLIBCXX_BITSET_BITS_PER_WORD; }
106 static _GLIBCXX_CONSTEXPR _WordT
107 _S_maskbit(
size_t __pos) _GLIBCXX_NOEXCEPT
108 {
return (static_cast<_WordT>(1)) << _S_whichbit(__pos); }
111 _M_getword(
size_t __pos) _GLIBCXX_NOEXCEPT
112 {
return _M_w[_S_whichword(__pos)]; }
114 _GLIBCXX_CONSTEXPR _WordT
115 _M_getword(
size_t __pos)
const _GLIBCXX_NOEXCEPT
116 {
return _M_w[_S_whichword(__pos)]; }
118 #if __cplusplus >= 201103L
120 _M_getdata() const noexcept
125 _M_hiword() _GLIBCXX_NOEXCEPT
126 {
return _M_w[_Nw - 1]; }
128 _GLIBCXX_CONSTEXPR _WordT
129 _M_hiword() const _GLIBCXX_NOEXCEPT
130 {
return _M_w[_Nw - 1]; }
133 _M_do_and(
const _Base_bitset<_Nw>& __x) _GLIBCXX_NOEXCEPT
135 for (
size_t __i = 0; __i < _Nw; __i++)
136 _M_w[__i] &= __x._M_w[__i];
140 _M_do_or(
const _Base_bitset<_Nw>& __x) _GLIBCXX_NOEXCEPT
142 for (
size_t __i = 0; __i < _Nw; __i++)
143 _M_w[__i] |= __x._M_w[__i];
147 _M_do_xor(
const _Base_bitset<_Nw>& __x) _GLIBCXX_NOEXCEPT
149 for (
size_t __i = 0; __i < _Nw; __i++)
150 _M_w[__i] ^= __x._M_w[__i];
154 _M_do_left_shift(
size_t __shift) _GLIBCXX_NOEXCEPT;
157 _M_do_right_shift(
size_t __shift) _GLIBCXX_NOEXCEPT;
160 _M_do_flip() _GLIBCXX_NOEXCEPT
162 for (
size_t __i = 0; __i < _Nw; __i++)
167 _M_do_set() _GLIBCXX_NOEXCEPT
169 for (
size_t __i = 0; __i < _Nw; __i++)
170 _M_w[__i] = ~static_cast<_WordT>(0);
174 _M_do_reset() _GLIBCXX_NOEXCEPT
175 { __builtin_memset(
_M_w, 0, _Nw *
sizeof(_WordT)); }
178 _M_is_equal(
const _Base_bitset<_Nw>& __x)
const _GLIBCXX_NOEXCEPT
180 for (
size_t __i = 0; __i < _Nw; ++__i)
181 if (
_M_w[__i] != __x._M_w[__i])
188 _M_are_all() const _GLIBCXX_NOEXCEPT
190 for (
size_t __i = 0; __i < _Nw - 1; __i++)
191 if (
_M_w[__i] != ~static_cast<_WordT>(0))
193 return _M_hiword() == (~static_cast<_WordT>(0)
194 >> (_Nw * _GLIBCXX_BITSET_BITS_PER_WORD
199 _M_is_any() const _GLIBCXX_NOEXCEPT
201 for (
size_t __i = 0; __i < _Nw; __i++)
202 if (
_M_w[__i] != static_cast<_WordT>(0))
208 _M_do_count() const _GLIBCXX_NOEXCEPT
211 for (
size_t __i = 0; __i < _Nw; __i++)
212 __result += __builtin_popcountl(
_M_w[__i]);
217 _M_do_to_ulong()
const;
219 #if __cplusplus >= 201103L
221 _M_do_to_ullong()
const;
226 _M_do_find_first(
size_t) const _GLIBCXX_NOEXCEPT;
230 _M_do_find_next(
size_t,
size_t) const _GLIBCXX_NOEXCEPT;
236 _Base_bitset<_Nw>::_M_do_left_shift(
size_t __shift) _GLIBCXX_NOEXCEPT
238 if (__builtin_expect(__shift != 0, 1))
240 const size_t __wshift = __shift / _GLIBCXX_BITSET_BITS_PER_WORD;
241 const size_t __offset = __shift % _GLIBCXX_BITSET_BITS_PER_WORD;
244 for (
size_t __n = _Nw - 1; __n >= __wshift; --__n)
248 const size_t __sub_offset = (_GLIBCXX_BITSET_BITS_PER_WORD
250 for (
size_t __n = _Nw - 1; __n > __wshift; --__n)
251 _M_w[__n] = ((
_M_w[__n - __wshift] << __offset)
252 | (
_M_w[__n - __wshift - 1] >> __sub_offset));
253 _M_w[__wshift] =
_M_w[0] << __offset;
256 std::fill(
_M_w + 0,
_M_w + __wshift, static_cast<_WordT>(0));
262 _Base_bitset<_Nw>::_M_do_right_shift(
size_t __shift) _GLIBCXX_NOEXCEPT
264 if (__builtin_expect(__shift != 0, 1))
266 const size_t __wshift = __shift / _GLIBCXX_BITSET_BITS_PER_WORD;
267 const size_t __offset = __shift % _GLIBCXX_BITSET_BITS_PER_WORD;
268 const size_t __limit = _Nw - __wshift - 1;
271 for (
size_t __n = 0; __n <= __limit; ++__n)
275 const size_t __sub_offset = (_GLIBCXX_BITSET_BITS_PER_WORD
277 for (
size_t __n = 0; __n < __limit; ++__n)
278 _M_w[__n] = ((
_M_w[__n + __wshift] >> __offset)
279 | (
_M_w[__n + __wshift + 1] << __sub_offset));
280 _M_w[__limit] =
_M_w[_Nw-1] >> __offset;
283 std::fill(
_M_w + __limit + 1,
_M_w + _Nw, static_cast<_WordT>(0));
289 _Base_bitset<_Nw>::_M_do_to_ulong()
const
291 for (
size_t __i = 1; __i < _Nw; ++__i)
293 __throw_overflow_error(__N(
"_Base_bitset::_M_do_to_ulong"));
297 #if __cplusplus >= 201103L
300 _Base_bitset<_Nw>::_M_do_to_ullong()
const
302 const bool __dw =
sizeof(
unsigned long long) >
sizeof(
unsigned long);
303 for (
size_t __i = 1 + __dw; __i < _Nw; ++__i)
305 __throw_overflow_error(__N(
"_Base_bitset::_M_do_to_ullong"));
308 return _M_w[0] + (
static_cast<unsigned long long>(
_M_w[1])
309 << _GLIBCXX_BITSET_BITS_PER_WORD);
317 _M_do_find_first(
size_t __not_found)
const _GLIBCXX_NOEXCEPT
319 for (
size_t __i = 0; __i < _Nw; __i++)
321 _WordT __thisword =
_M_w[__i];
322 if (__thisword != static_cast<_WordT>(0))
323 return (__i * _GLIBCXX_BITSET_BITS_PER_WORD
324 + __builtin_ctzl(__thisword));
333 _M_do_find_next(
size_t __prev,
size_t __not_found)
const _GLIBCXX_NOEXCEPT
339 if (__prev >= _Nw * _GLIBCXX_BITSET_BITS_PER_WORD)
343 size_t __i = _S_whichword(__prev);
344 _WordT __thisword =
_M_w[__i];
347 __thisword &= (~static_cast<_WordT>(0)) << _S_whichbit(__prev);
349 if (__thisword != static_cast<_WordT>(0))
350 return (__i * _GLIBCXX_BITSET_BITS_PER_WORD
351 + __builtin_ctzl(__thisword));
355 for (; __i < _Nw; __i++)
357 __thisword =
_M_w[__i];
358 if (__thisword != static_cast<_WordT>(0))
359 return (__i * _GLIBCXX_BITSET_BITS_PER_WORD
360 + __builtin_ctzl(__thisword));
374 typedef unsigned long _WordT;
381 #if __cplusplus >= 201103L
382 constexpr
_Base_bitset(
unsigned long long __val) noexcept
389 static _GLIBCXX_CONSTEXPR
size_t
390 _S_whichword(
size_t __pos) _GLIBCXX_NOEXCEPT
391 {
return __pos / _GLIBCXX_BITSET_BITS_PER_WORD; }
393 static _GLIBCXX_CONSTEXPR
size_t
394 _S_whichbyte(
size_t __pos) _GLIBCXX_NOEXCEPT
395 {
return (__pos % _GLIBCXX_BITSET_BITS_PER_WORD) / __CHAR_BIT__; }
397 static _GLIBCXX_CONSTEXPR
size_t
398 _S_whichbit(
size_t __pos) _GLIBCXX_NOEXCEPT
399 {
return __pos % _GLIBCXX_BITSET_BITS_PER_WORD; }
401 static _GLIBCXX_CONSTEXPR _WordT
402 _S_maskbit(
size_t __pos) _GLIBCXX_NOEXCEPT
403 {
return (static_cast<_WordT>(1)) << _S_whichbit(__pos); }
406 _M_getword(
size_t) _GLIBCXX_NOEXCEPT
409 _GLIBCXX_CONSTEXPR _WordT
410 _M_getword(
size_t)
const _GLIBCXX_NOEXCEPT
413 #if __cplusplus >= 201103L
415 _M_getdata()
const noexcept
420 _M_hiword() _GLIBCXX_NOEXCEPT
423 _GLIBCXX_CONSTEXPR _WordT
424 _M_hiword()
const _GLIBCXX_NOEXCEPT
429 {
_M_w &= __x._M_w; }
433 {
_M_w |= __x._M_w; }
437 {
_M_w ^= __x._M_w; }
440 _M_do_left_shift(
size_t __shift) _GLIBCXX_NOEXCEPT
441 {
_M_w <<= __shift; }
444 _M_do_right_shift(
size_t __shift) _GLIBCXX_NOEXCEPT
445 {
_M_w >>= __shift; }
448 _M_do_flip() _GLIBCXX_NOEXCEPT
452 _M_do_set() _GLIBCXX_NOEXCEPT
453 {
_M_w = ~static_cast<_WordT>(0); }
456 _M_do_reset() _GLIBCXX_NOEXCEPT
461 {
return _M_w == __x._M_w; }
465 _M_are_all()
const _GLIBCXX_NOEXCEPT
466 {
return _M_w == (~static_cast<_WordT>(0)
467 >> (_GLIBCXX_BITSET_BITS_PER_WORD - _Nb)); }
470 _M_is_any()
const _GLIBCXX_NOEXCEPT
471 {
return _M_w != 0; }
474 _M_do_count()
const _GLIBCXX_NOEXCEPT
475 {
return __builtin_popcountl(
_M_w); }
478 _M_do_to_ulong()
const _GLIBCXX_NOEXCEPT
481 #if __cplusplus >= 201103L
483 _M_do_to_ullong()
const noexcept
488 _M_do_find_first(
size_t __not_found)
const _GLIBCXX_NOEXCEPT
491 return __builtin_ctzl(
_M_w);
498 _M_do_find_next(
size_t __prev,
size_t __not_found)
const
502 if (__prev >= ((
size_t) _GLIBCXX_BITSET_BITS_PER_WORD))
505 _WordT __x =
_M_w >> __prev;
507 return __builtin_ctzl(__x) + __prev;
521 typedef unsigned long _WordT;
526 #if __cplusplus >= 201103L
533 static _GLIBCXX_CONSTEXPR
size_t
534 _S_whichword(
size_t __pos) _GLIBCXX_NOEXCEPT
535 {
return __pos / _GLIBCXX_BITSET_BITS_PER_WORD; }
537 static _GLIBCXX_CONSTEXPR
size_t
538 _S_whichbyte(
size_t __pos) _GLIBCXX_NOEXCEPT
539 {
return (__pos % _GLIBCXX_BITSET_BITS_PER_WORD) / __CHAR_BIT__; }
541 static _GLIBCXX_CONSTEXPR
size_t
542 _S_whichbit(
size_t __pos) _GLIBCXX_NOEXCEPT
543 {
return __pos % _GLIBCXX_BITSET_BITS_PER_WORD; }
545 static _GLIBCXX_CONSTEXPR _WordT
546 _S_maskbit(
size_t __pos) _GLIBCXX_NOEXCEPT
547 {
return (static_cast<_WordT>(1)) << _S_whichbit(__pos); }
557 _M_getword(
size_t) _GLIBCXX_NOEXCEPT
559 __throw_out_of_range(__N(
"_Base_bitset::_M_getword"));
563 _GLIBCXX_CONSTEXPR _WordT
564 _M_getword(
size_t __pos)
const _GLIBCXX_NOEXCEPT
567 _GLIBCXX_CONSTEXPR _WordT
568 _M_hiword()
const _GLIBCXX_NOEXCEPT
584 _M_do_left_shift(
size_t) _GLIBCXX_NOEXCEPT
588 _M_do_right_shift(
size_t) _GLIBCXX_NOEXCEPT
592 _M_do_flip() _GLIBCXX_NOEXCEPT
596 _M_do_set() _GLIBCXX_NOEXCEPT
600 _M_do_reset() _GLIBCXX_NOEXCEPT
612 _M_are_all()
const _GLIBCXX_NOEXCEPT
616 _M_is_any()
const _GLIBCXX_NOEXCEPT
620 _M_do_count()
const _GLIBCXX_NOEXCEPT
624 _M_do_to_ulong()
const _GLIBCXX_NOEXCEPT
627 #if __cplusplus >= 201103L
629 _M_do_to_ullong()
const noexcept
636 _M_do_find_first(
size_t)
const _GLIBCXX_NOEXCEPT
640 _M_do_find_next(
size_t,
size_t)
const _GLIBCXX_NOEXCEPT
646 template<
size_t _Extrabits>
649 typedef unsigned long _WordT;
652 _S_do_sanitize(_WordT& __val) _GLIBCXX_NOEXCEPT
653 { __val &= ~((~static_cast<_WordT>(0)) << _Extrabits); }
659 typedef unsigned long _WordT;
662 _S_do_sanitize(_WordT) _GLIBCXX_NOEXCEPT { }
665 #if __cplusplus >= 201103L
666 template<
size_t _Nb,
bool = _Nb < _GLIBCXX_BITSET_BITS_PER_ULL>
669 static constexpr
unsigned long long
670 _S_do_sanitize_val(
unsigned long long __val)
675 struct _Sanitize_val<_Nb, true>
677 static constexpr
unsigned long long
678 _S_do_sanitize_val(
unsigned long long __val)
679 {
return __val & ~((~static_cast<
unsigned long long>(0)) << _Nb); }
749 :
private _Base_bitset<_GLIBCXX_BITSET_WORDS(_Nb)>
752 typedef _Base_bitset<_GLIBCXX_BITSET_WORDS(_Nb)> _Base;
753 typedef unsigned long _WordT;
756 _M_do_sanitize() _GLIBCXX_NOEXCEPT
758 typedef _Sanitize<_Nb % _GLIBCXX_BITSET_BITS_PER_WORD> __sanitize_type;
759 __sanitize_type::_S_do_sanitize(this->_M_hiword());
762 #if __cplusplus >= 201103L
763 template<
typename>
friend class hash;
790 reference(bitset& __b,
size_t __pos) _GLIBCXX_NOEXCEPT
792 _M_wp = &__b._M_getword(__pos);
793 _M_bpos = _Base::_S_whichbit(__pos);
796 ~reference() _GLIBCXX_NOEXCEPT
801 operator=(
bool __x) _GLIBCXX_NOEXCEPT
804 *_M_wp |= _Base::_S_maskbit(_M_bpos);
806 *_M_wp &= ~_Base::_S_maskbit(_M_bpos);
812 operator=(
const reference& __j) _GLIBCXX_NOEXCEPT
814 if ((*(__j._M_wp) & _Base::_S_maskbit(__j._M_bpos)))
815 *_M_wp |= _Base::_S_maskbit(_M_bpos);
817 *_M_wp &= ~_Base::_S_maskbit(_M_bpos);
824 {
return (*(_M_wp) & _Base::_S_maskbit(_M_bpos)) == 0; }
827 operator bool() const _GLIBCXX_NOEXCEPT
828 {
return (*(_M_wp) & _Base::_S_maskbit(_M_bpos)) != 0; }
832 flip() _GLIBCXX_NOEXCEPT
834 *_M_wp ^= _Base::_S_maskbit(_M_bpos);
838 friend class reference;
842 _GLIBCXX_CONSTEXPR bitset() _GLIBCXX_NOEXCEPT
846 #if __cplusplus >= 201103L
847 constexpr bitset(
unsigned long long __val) noexcept
848 : _Base(_Sanitize_val<_Nb>::_S_do_sanitize_val(__val)) { }
850 bitset(
unsigned long __val)
852 { _M_do_sanitize(); }
864 template<
class _CharT,
class _Traits,
class _Alloc>
867 size_t __position = 0)
870 if (__position > __s.
size())
871 __throw_out_of_range(__N(
"bitset::bitset initial position "
873 _M_copy_from_string(__s, __position,
875 _CharT(
'0'), _CharT(
'1'));
888 template<
class _CharT,
class _Traits,
class _Alloc>
890 size_t __position,
size_t __n)
893 if (__position > __s.
size())
894 __throw_out_of_range(__N(
"bitset::bitset initial position "
896 _M_copy_from_string(__s, __position, __n, _CharT(
'0'), _CharT(
'1'));
901 template<
class _CharT,
class _Traits,
class _Alloc>
903 size_t __position,
size_t __n,
904 _CharT __zero, _CharT __one = _CharT(
'1'))
907 if (__position > __s.
size())
908 __throw_out_of_range(__N(
"bitset::bitset initial position "
910 _M_copy_from_string(__s, __position, __n, __zero, __one);
913 #if __cplusplus >= 201103L
923 template<
typename _CharT>
925 bitset(
const _CharT* __str,
926 typename std::basic_string<_CharT>::size_type __n
928 _CharT __zero = _CharT(
'0'), _CharT __one = _CharT(
'1'))
932 __throw_logic_error(__N(
"bitset::bitset(const _CharT*, ...)"));
936 _M_copy_from_ptr<_CharT, std::char_traits<_CharT>>(__str, __n, 0,
951 operator&=(
const bitset<_Nb>& __rhs) _GLIBCXX_NOEXCEPT
953 this->_M_do_and(__rhs);
958 operator|=(
const bitset<_Nb>& __rhs) _GLIBCXX_NOEXCEPT
960 this->_M_do_or(__rhs);
965 operator^=(
const bitset<_Nb>& __rhs) _GLIBCXX_NOEXCEPT
967 this->_M_do_xor(__rhs);
982 if (__builtin_expect(__position < _Nb, 1))
984 this->_M_do_left_shift(__position);
985 this->_M_do_sanitize();
995 if (__builtin_expect(__position < _Nb, 1))
997 this->_M_do_right_shift(__position);
998 this->_M_do_sanitize();
1001 this->_M_do_reset();
1015 this->_M_getword(__pos) |= _Base::_S_maskbit(__pos);
1023 this->_M_getword(__pos) |= _Base::_S_maskbit(__pos);
1025 this->_M_getword(__pos) &= ~_Base::_S_maskbit(__pos);
1032 this->_M_getword(__pos) &= ~_Base::_S_maskbit(__pos);
1039 this->_M_getword(__pos) ^= _Base::_S_maskbit(__pos);
1043 _GLIBCXX_CONSTEXPR
bool
1045 {
return ((this->_M_getword(__pos) & _Base::_S_maskbit(__pos))
1046 != static_cast<_WordT>(0)); }
1054 set() _GLIBCXX_NOEXCEPT
1057 this->_M_do_sanitize();
1068 set(
size_t __position,
bool __val =
true)
1070 if (__position >= _Nb)
1071 __throw_out_of_range(__N(
"bitset::set"));
1081 this->_M_do_reset();
1095 if (__position >= _Nb)
1096 __throw_out_of_range(__N(
"bitset::reset"));
1107 this->_M_do_sanitize();
1119 if (__position >= _Nb)
1120 __throw_out_of_range(__N(
"bitset::flip"));
1127 {
return bitset<_Nb>(*this).flip(); }
1146 {
return reference(*
this, __position); }
1148 _GLIBCXX_CONSTEXPR
bool
1161 {
return this->_M_do_to_ulong(); }
1163 #if __cplusplus >= 201103L
1166 {
return this->_M_do_to_ullong(); }
1177 template<
class _CharT,
class _Traits,
class _Alloc>
1182 _M_copy_to_string(__result, _CharT(
'0'), _CharT(
'1'));
1188 template<
class _CharT,
class _Traits,
class _Alloc>
1190 to_string(_CharT __zero, _CharT __one = _CharT(
'1'))
const
1193 _M_copy_to_string(__result, __zero, __one);
1199 template<
class _CharT,
class _Traits>
1202 {
return to_string<_CharT, _Traits, std::allocator<_CharT> >(); }
1206 template<
class _CharT,
class _Traits>
1208 to_string(_CharT __zero, _CharT __one = _CharT(
'1'))
const
1212 template<
class _CharT>
1217 return to_string<_CharT, std::char_traits<_CharT>,
1221 template<
class _CharT>
1224 to_string(_CharT __zero, _CharT __one = _CharT(
'1'))
const
1226 return to_string<_CharT, std::char_traits<_CharT>,
1233 return to_string<char, std::char_traits<char>,
1238 to_string(
char __zero,
char __one =
'1')
const
1240 return to_string<char, std::char_traits<char>,
1245 template<
class _CharT,
class _Traits>
1247 _M_copy_from_ptr(
const _CharT*,
size_t,
size_t,
size_t,
1250 template<
class _CharT,
class _Traits,
class _Alloc>
1253 _Traits, _Alloc>& __s,
size_t __pos,
size_t __n,
1254 _CharT __zero, _CharT __one)
1255 { _M_copy_from_ptr<_CharT, _Traits>(__s.
data(), __s.
size(), __pos, __n,
1258 template<
class _CharT,
class _Traits,
class _Alloc>
1261 _CharT, _CharT)
const;
1264 template<
class _CharT,
class _Traits,
class _Alloc>
1267 _Traits, _Alloc>& __s,
size_t __pos,
size_t __n)
1268 { _M_copy_from_string(__s, __pos, __n, _CharT(
'0'), _CharT(
'1')); }
1270 template<
class _CharT,
class _Traits,
class _Alloc>
1273 { _M_copy_to_string(__s, _CharT(
'0'), _CharT(
'1')); }
1278 {
return this->_M_do_count(); }
1281 _GLIBCXX_CONSTEXPR
size_t
1288 operator==(
const bitset<_Nb>& __rhs)
const _GLIBCXX_NOEXCEPT
1289 {
return this->_M_is_equal(__rhs); }
1292 operator!=(
const bitset<_Nb>& __rhs)
const _GLIBCXX_NOEXCEPT
1293 {
return !this->_M_is_equal(__rhs); }
1305 if (__position >= _Nb)
1306 __throw_out_of_range(__N(
"bitset::test"));
1318 {
return this->
template _M_are_all<_Nb>(); }
1326 {
return this->_M_is_any(); }
1334 {
return !this->_M_is_any(); }
1340 {
return bitset<_Nb>(*this) <<= __position; }
1344 {
return bitset<_Nb>(*this) >>= __position; }
1355 {
return this->_M_do_find_first(_Nb); }
1366 {
return this->_M_do_find_next(__prev, _Nb); }
1370 template<
size_t _Nb>
1371 template<
class _CharT,
class _Traits>
1374 _M_copy_from_ptr(
const _CharT* __s,
size_t __len,
1375 size_t __pos,
size_t __n, _CharT __zero, _CharT __one)
1378 const size_t __nbits =
std::min(_Nb,
std::min(__n,
size_t(__len - __pos)));
1379 for (
size_t __i = __nbits; __i > 0; --__i)
1381 const _CharT __c = __s[__pos + __nbits - __i];
1382 if (_Traits::eq(__c, __zero))
1384 else if (_Traits::eq(__c, __one))
1387 __throw_invalid_argument(__N(
"bitset::_M_copy_from_ptr"));
1391 template<
size_t _Nb>
1392 template<
class _CharT,
class _Traits,
class _Alloc>
1396 _CharT __zero, _CharT __one)
const
1399 for (
size_t __i = _Nb; __i > 0; --__i)
1401 _Traits::assign(__s[_Nb - __i], __one);
1414 template<
size_t _Nb>
1416 operator&(
const bitset<_Nb>& __x,
const bitset<_Nb>& __y) _GLIBCXX_NOEXCEPT
1418 bitset<_Nb> __result(__x);
1423 template<
size_t _Nb>
1425 operator|(
const bitset<_Nb>& __x,
const bitset<_Nb>& __y) _GLIBCXX_NOEXCEPT
1427 bitset<_Nb> __result(__x);
1432 template <
size_t _Nb>
1434 operator^(
const bitset<_Nb>& __x,
const bitset<_Nb>& __y) _GLIBCXX_NOEXCEPT
1436 bitset<_Nb> __result(__x);
1451 template<
class _CharT,
class _Traits,
size_t _Nb>
1455 typedef typename _Traits::char_type char_type;
1457 typedef typename __istream_type::ios_base __ios_base;
1464 const char_type __zero = __is.
widen(
'0');
1465 const char_type __one = __is.
widen(
'1');
1467 typename __ios_base::iostate __state = __ios_base::goodbit;
1468 typename __istream_type::sentry __sentry(__is);
1473 for (
size_t __i = _Nb; __i > 0; --__i)
1475 static typename _Traits::int_type __eof = _Traits::eof();
1477 typename _Traits::int_type __c1 = __is.
rdbuf()->sbumpc();
1478 if (_Traits::eq_int_type(__c1, __eof))
1480 __state |= __ios_base::eofbit;
1485 const char_type __c2 = _Traits::to_char_type(__c1);
1486 if (_Traits::eq(__c2, __zero))
1488 else if (_Traits::eq(__c2, __one))
1491 eq_int_type(__is.
rdbuf()->sputbackc(__c2),
1494 __state |= __ios_base::failbit;
1502 __is._M_setstate(__ios_base::badbit);
1503 __throw_exception_again;
1506 { __is._M_setstate(__ios_base::badbit); }
1509 if (__tmp.
empty() && _Nb)
1510 __state |= __ios_base::failbit;
1512 __x._M_copy_from_string(__tmp, static_cast<size_t>(0), _Nb,
1519 template <
class _CharT,
class _Traits,
size_t _Nb>
1521 operator<<(std::basic_ostream<_CharT, _Traits>& __os,
1522 const bitset<_Nb>& __x)
1528 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__os.getloc());
1529 __x._M_copy_to_string(__tmp, __ct.
widen(
'0'), __ct.
widen(
'1'));
1530 return __os << __tmp;
1534 _GLIBCXX_END_NAMESPACE_CONTAINER
1537 #undef _GLIBCXX_BITSET_WORDS
1538 #undef _GLIBCXX_BITSET_BITS_PER_WORD
1539 #undef _GLIBCXX_BITSET_BITS_PER_ULL
1541 #if __cplusplus >= 201103L
1545 namespace std _GLIBCXX_VISIBILITY(default)
1547 _GLIBCXX_BEGIN_NAMESPACE_VERSION
1551 template<
size_t _Nb>
1552 struct hash<_GLIBCXX_STD_C::bitset<_Nb>>
1553 :
public __hash_base<size_t, _GLIBCXX_STD_C::bitset<_Nb>>
1556 operator()(
const _GLIBCXX_STD_C::bitset<_Nb>& __b)
const noexcept
1558 const size_t __clength = (_Nb + __CHAR_BIT__ - 1) / __CHAR_BIT__;
1559 return std::_Hash_impl::hash(__b._M_getdata(), __clength);
1564 struct hash<_GLIBCXX_STD_C::bitset<0>>
1565 :
public __hash_base<size_t, _GLIBCXX_STD_C::bitset<0>>
1568 operator()(
const _GLIBCXX_STD_C::bitset<0>&) const noexcept
1572 _GLIBCXX_END_NAMESPACE_VERSION
1577 #ifdef _GLIBCXX_DEBUG
1581 #ifdef _GLIBCXX_PROFILE