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Diffstat (limited to 'include/bitset')
| -rw-r--r-- | include/bitset | 1048 |
1 files changed, 1048 insertions, 0 deletions
diff --git a/include/bitset b/include/bitset new file mode 100644 index 000000000000..c970f3290717 --- /dev/null +++ b/include/bitset @@ -0,0 +1,1048 @@ +// -*- C++ -*- +//===---------------------------- bitset ----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP_BITSET +#define _LIBCPP_BITSET + +/* + bitset synopsis + +namespace std +{ + +namespace std { + +template <size_t N> +class bitset +{ +public: + // bit reference: + class reference + { + friend class bitset; + reference() noexcept; + public: + ~reference() noexcept; + reference& operator=(bool x) noexcept; // for b[i] = x; + reference& operator=(const reference&) noexcept; // for b[i] = b[j]; + bool operator~() const noexcept; // flips the bit + operator bool() const noexcept; // for x = b[i]; + reference& flip() noexcept; // for b[i].flip(); + }; + + // 23.3.5.1 constructors: + constexpr bitset() noexcept; + constexpr bitset(unsigned long long val) noexcept; + template <class charT> + explicit bitset(const charT* str, + typename basic_string<charT>::size_type n = basic_string<charT>::npos, + charT zero = charT('0'), charT one = charT('1')); + template<class charT, class traits, class Allocator> + explicit bitset(const basic_string<charT,traits,Allocator>& str, + typename basic_string<charT,traits,Allocator>::size_type pos = 0, + typename basic_string<charT,traits,Allocator>::size_type n = + basic_string<charT,traits,Allocator>::npos, + charT zero = charT('0'), charT one = charT('1')); + + // 23.3.5.2 bitset operations: + bitset& operator&=(const bitset& rhs) noexcept; + bitset& operator|=(const bitset& rhs) noexcept; + bitset& operator^=(const bitset& rhs) noexcept; + bitset& operator<<=(size_t pos) noexcept; + bitset& operator>>=(size_t pos) noexcept; + bitset& set() noexcept; + bitset& set(size_t pos, bool val = true); + bitset& reset() noexcept; + bitset& reset(size_t pos); + bitset operator~() const noexcept; + bitset& flip() noexcept; + bitset& flip(size_t pos); + + // element access: + constexpr bool operator[](size_t pos) const; // for b[i]; + reference operator[](size_t pos); // for b[i]; + unsigned long to_ulong() const; + unsigned long long to_ullong() const; + template <class charT, class traits, class Allocator> + basic_string<charT, traits, Allocator> to_string(charT zero = charT('0'), charT one = charT('1')) const; + template <class charT, class traits> + basic_string<charT, traits, allocator<charT> > to_string(charT zero = charT('0'), charT one = charT('1')) const; + template <class charT> + basic_string<charT, char_traits<charT>, allocator<charT> > to_string(charT zero = charT('0'), charT one = charT('1')) const; + basic_string<char, char_traits<char>, allocator<char> > to_string(char zero = '0', char one = '1') const; + size_t count() const noexcept; + constexpr size_t size() const noexcept; + bool operator==(const bitset& rhs) const noexcept; + bool operator!=(const bitset& rhs) const noexcept; + bool test(size_t pos) const; + bool all() const noexcept; + bool any() const noexcept; + bool none() const noexcept; + bitset operator<<(size_t pos) const noexcept; + bitset operator>>(size_t pos) const noexcept; +}; + +// 23.3.5.3 bitset operators: +template <size_t N> +bitset<N> operator&(const bitset<N>&, const bitset<N>&) noexcept; + +template <size_t N> +bitset<N> operator|(const bitset<N>&, const bitset<N>&) noexcept; + +template <size_t N> +bitset<N> operator^(const bitset<N>&, const bitset<N>&) noexcept; + +template <class charT, class traits, size_t N> +basic_istream<charT, traits>& +operator>>(basic_istream<charT, traits>& is, bitset<N>& x); + +template <class charT, class traits, size_t N> +basic_ostream<charT, traits>& +operator<<(basic_ostream<charT, traits>& os, const bitset<N>& x); + +template <size_t N> struct hash<std::bitset<N>>; + +} // std + +*/ + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +#include <__config> +#include <__bit_reference> +#include <cstddef> +#include <climits> +#include <string> +#include <stdexcept> +#include <iosfwd> +#include <__functional_base> +#if defined(_LIBCPP_NO_EXCEPTIONS) + #include <cassert> +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <size_t _N_words, size_t _Size> +class __bitset; + +template <size_t _N_words, size_t _Size> +struct __has_storage_type<__bitset<_N_words, _Size> > +{ + static const bool value = true; +}; + +template <size_t _N_words, size_t _Size> +class __bitset +{ +public: + typedef ptrdiff_t difference_type; + typedef size_t size_type; +protected: + typedef __bitset __self; + typedef size_type __storage_type; + typedef __storage_type* __storage_pointer; + typedef const __storage_type* __const_storage_pointer; + static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT); + + friend class __bit_reference<__bitset>; + friend class __bit_const_reference<__bitset>; + friend class __bit_iterator<__bitset, false>; + friend class __bit_iterator<__bitset, true>; + friend class __bit_array<__bitset>; + + __storage_type __first_[_N_words]; + + typedef __bit_reference<__bitset> reference; + typedef __bit_const_reference<__bitset> const_reference; + typedef __bit_iterator<__bitset, false> iterator; + typedef __bit_iterator<__bitset, true> const_iterator; + + __bitset() _NOEXCEPT; + explicit __bitset(unsigned long long __v) _NOEXCEPT; + + _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t __pos) _NOEXCEPT + {return reference(__first_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);} + _LIBCPP_INLINE_VISIBILITY const_reference __make_ref(size_t __pos) const _NOEXCEPT + {return const_reference(__first_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);} + _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t __pos) _NOEXCEPT + {return iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word);} + _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t __pos) const _NOEXCEPT + {return const_iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word);} + + void operator&=(const __bitset& __v) _NOEXCEPT; + void operator|=(const __bitset& __v) _NOEXCEPT; + void operator^=(const __bitset& __v) _NOEXCEPT; + + void flip() _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY unsigned long to_ulong() const + {return to_ulong(integral_constant<bool, _Size < sizeof(unsigned long) * CHAR_BIT>());} + _LIBCPP_INLINE_VISIBILITY unsigned long long to_ullong() const + {return to_ullong(integral_constant<bool, _Size < sizeof(unsigned long long) * CHAR_BIT>());} + + bool all() const _NOEXCEPT; + bool any() const _NOEXCEPT; + size_t __hash_code() const _NOEXCEPT; +private: + void __init(unsigned long long __v, false_type) _NOEXCEPT; + void __init(unsigned long long __v, true_type) _NOEXCEPT; + unsigned long to_ulong(false_type) const; + unsigned long to_ulong(true_type) const; + unsigned long long to_ullong(false_type) const; + unsigned long long to_ullong(true_type) const; + unsigned long long to_ullong(true_type, false_type) const; + unsigned long long to_ullong(true_type, true_type) const; +}; + +template <size_t _N_words, size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +__bitset<_N_words, _Size>::__bitset() _NOEXCEPT +{ + _VSTD::fill_n(__first_, _N_words, __storage_type(0)); +} + +template <size_t _N_words, size_t _Size> +void +__bitset<_N_words, _Size>::__init(unsigned long long __v, false_type) +{ + __storage_type __t[sizeof(unsigned long long) / sizeof(__storage_type)]; + for (size_t __i = 0; __i < sizeof(__t)/sizeof(__t[0]); ++__i, __v >>= __bits_per_word) + __t[__i] = static_cast<__storage_type>(__v); + _VSTD::copy(__t, __t + sizeof(__t)/sizeof(__t[0]), __first_); + _VSTD::fill(__first_ + sizeof(__t)/sizeof(__t[0]), __first_ + sizeof(__first_)/sizeof(__first_[0]), + __storage_type(0)); +} + +template <size_t _N_words, size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +void +__bitset<_N_words, _Size>::__init(unsigned long long __v, true_type) +{ + __first_[0] = __v; + _VSTD::fill(__first_ + 1, __first_ + sizeof(__first_)/sizeof(__first_[0]), __storage_type(0)); +} + +template <size_t _N_words, size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +__bitset<_N_words, _Size>::__bitset(unsigned long long __v) _NOEXCEPT +{ + __init(__v, integral_constant<bool, sizeof(unsigned long long) == sizeof(__storage_type)>()); +} + +template <size_t _N_words, size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +void +__bitset<_N_words, _Size>::operator&=(const __bitset& __v) _NOEXCEPT +{ + for (size_type __i = 0; __i < _N_words; ++__i) + __first_[__i] &= __v.__first_[__i]; +} + +template <size_t _N_words, size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +void +__bitset<_N_words, _Size>::operator|=(const __bitset& __v) _NOEXCEPT +{ + for (size_type __i = 0; __i < _N_words; ++__i) + __first_[__i] |= __v.__first_[__i]; +} + +template <size_t _N_words, size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +void +__bitset<_N_words, _Size>::operator^=(const __bitset& __v) _NOEXCEPT +{ + for (size_type __i = 0; __i < _N_words; ++__i) + __first_[__i] ^= __v.__first_[__i]; +} + +template <size_t _N_words, size_t _Size> +void +__bitset<_N_words, _Size>::flip() _NOEXCEPT +{ + // do middle whole words + size_type __n = _Size; + __storage_pointer __p = __first_; + for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) + *__p = ~*__p; + // do last partial word + if (__n > 0) + { + __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); + __storage_type __b = *__p & __m; + *__p &= ~__m; + *__p |= ~__b & __m; + } +} + +template <size_t _N_words, size_t _Size> +unsigned long +__bitset<_N_words, _Size>::to_ulong(false_type) const +{ + const_iterator __e = __make_iter(_Size); + const_iterator __i = _VSTD::find(__make_iter(sizeof(unsigned long) * CHAR_BIT), __e, true); + if (__i != __e) +#ifndef _LIBCPP_NO_EXCEPTIONS + throw overflow_error("bitset to_ulong overflow error"); +#else + assert(!"bitset to_ulong overflow error"); +#endif + return __first_[0]; +} + +template <size_t _N_words, size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +unsigned long +__bitset<_N_words, _Size>::to_ulong(true_type) const +{ + return __first_[0]; +} + +template <size_t _N_words, size_t _Size> +unsigned long long +__bitset<_N_words, _Size>::to_ullong(false_type) const +{ + const_iterator __e = __make_iter(_Size); + const_iterator __i = _VSTD::find(__make_iter(sizeof(unsigned long long) * CHAR_BIT), __e, true); + if (__i != __e) +#ifndef _LIBCPP_NO_EXCEPTIONS + throw overflow_error("bitset to_ullong overflow error"); +#else + assert(!"bitset to_ullong overflow error"); +#endif + return to_ullong(true_type()); +} + +template <size_t _N_words, size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +unsigned long long +__bitset<_N_words, _Size>::to_ullong(true_type) const +{ + return to_ullong(true_type(), integral_constant<bool, sizeof(__storage_type) < sizeof(unsigned long long)>()); +} + +template <size_t _N_words, size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +unsigned long long +__bitset<_N_words, _Size>::to_ullong(true_type, false_type) const +{ + return __first_[0]; +} + +template <size_t _N_words, size_t _Size> +unsigned long long +__bitset<_N_words, _Size>::to_ullong(true_type, true_type) const +{ + unsigned long long __r = __first_[0]; + for (std::size_t __i = 1; __i < sizeof(unsigned long long) / sizeof(__storage_type); ++__i) + __r |= static_cast<unsigned long long>(__first_[__i]) << (sizeof(__storage_type) * CHAR_BIT); + return __r; +} + +template <size_t _N_words, size_t _Size> +bool +__bitset<_N_words, _Size>::all() const _NOEXCEPT +{ + // do middle whole words + size_type __n = _Size; + __const_storage_pointer __p = __first_; + for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) + if (~*__p) + return false; + // do last partial word + if (__n > 0) + { + __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); + if (~*__p & __m) + return false; + } + return true; +} + +template <size_t _N_words, size_t _Size> +bool +__bitset<_N_words, _Size>::any() const _NOEXCEPT +{ + // do middle whole words + size_type __n = _Size; + __const_storage_pointer __p = __first_; + for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) + if (*__p) + return true; + // do last partial word + if (__n > 0) + { + __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); + if (*__p & __m) + return true; + } + return false; +} + +template <size_t _N_words, size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +size_t +__bitset<_N_words, _Size>::__hash_code() const _NOEXCEPT +{ + size_t __h = 0; + for (size_type __i = 0; __i < _N_words; ++__i) + __h ^= __first_[__i]; + return __h; +} + +template <size_t _Size> +class __bitset<1, _Size> +{ +public: + typedef ptrdiff_t difference_type; + typedef size_t size_type; +protected: + typedef __bitset __self; + typedef size_type __storage_type; + typedef __storage_type* __storage_pointer; + typedef const __storage_type* __const_storage_pointer; + static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT); + + friend class __bit_reference<__bitset>; + friend class __bit_const_reference<__bitset>; + friend class __bit_iterator<__bitset, false>; + friend class __bit_iterator<__bitset, true>; + friend class __bit_array<__bitset>; + + __storage_type __first_; + + typedef __bit_reference<__bitset> reference; + typedef __bit_const_reference<__bitset> const_reference; + typedef __bit_iterator<__bitset, false> iterator; + typedef __bit_iterator<__bitset, true> const_iterator; + + __bitset() _NOEXCEPT; + explicit __bitset(unsigned long long __v) _NOEXCEPT; + + _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t __pos) _NOEXCEPT + {return reference(&__first_, __storage_type(1) << __pos);} + _LIBCPP_INLINE_VISIBILITY const_reference __make_ref(size_t __pos) const _NOEXCEPT + {return const_reference(&__first_, __storage_type(1) << __pos);} + _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t __pos) _NOEXCEPT + {return iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word);} + _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t __pos) const _NOEXCEPT + {return const_iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word);} + + void operator&=(const __bitset& __v) _NOEXCEPT; + void operator|=(const __bitset& __v) _NOEXCEPT; + void operator^=(const __bitset& __v) _NOEXCEPT; + + void flip() _NOEXCEPT; + + unsigned long to_ulong() const; + unsigned long long to_ullong() const; + + bool all() const _NOEXCEPT; + bool any() const _NOEXCEPT; + + size_t __hash_code() const _NOEXCEPT; +}; + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +__bitset<1, _Size>::__bitset() _NOEXCEPT + : __first_(0) +{ +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +__bitset<1, _Size>::__bitset(unsigned long long __v) _NOEXCEPT + : __first_(static_cast<__storage_type>(__v)) +{ +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +void +__bitset<1, _Size>::operator&=(const __bitset& __v) _NOEXCEPT +{ + __first_ &= __v.__first_; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +void +__bitset<1, _Size>::operator|=(const __bitset& __v) _NOEXCEPT +{ + __first_ |= __v.__first_; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +void +__bitset<1, _Size>::operator^=(const __bitset& __v) _NOEXCEPT +{ + __first_ ^= __v.__first_; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +void +__bitset<1, _Size>::flip() _NOEXCEPT +{ + __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); + __first_ = ~__first_; + __first_ &= __m; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +unsigned long +__bitset<1, _Size>::to_ulong() const +{ + return __first_; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +unsigned long long +__bitset<1, _Size>::to_ullong() const +{ + return __first_; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bool +__bitset<1, _Size>::all() const _NOEXCEPT +{ + __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); + return !(~__first_ & __m); +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bool +__bitset<1, _Size>::any() const _NOEXCEPT +{ + __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); + return __first_ & __m; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +size_t +__bitset<1, _Size>::__hash_code() const _NOEXCEPT +{ + return __first_; +} + +template <> +class __bitset<0, 0> +{ +public: + typedef ptrdiff_t difference_type; + typedef size_t size_type; +protected: + typedef __bitset __self; + typedef size_type __storage_type; + typedef __storage_type* __storage_pointer; + typedef const __storage_type* __const_storage_pointer; + static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT); + + friend class __bit_reference<__bitset>; + friend class __bit_const_reference<__bitset>; + friend class __bit_iterator<__bitset, false>; + friend class __bit_iterator<__bitset, true>; + friend class __bit_array<__bitset>; + + typedef __bit_reference<__bitset> reference; + typedef __bit_const_reference<__bitset> const_reference; + typedef __bit_iterator<__bitset, false> iterator; + typedef __bit_iterator<__bitset, true> const_iterator; + + __bitset() _NOEXCEPT; + explicit __bitset(unsigned long long) _NOEXCEPT; + + _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t) _NOEXCEPT + {return reference(0, 1);} + _LIBCPP_INLINE_VISIBILITY const_reference __make_ref(size_t) const _NOEXCEPT + {return const_reference(0, 1);} + _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t __pos) _NOEXCEPT + {return iterator(0, 0);} + _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t __pos) const _NOEXCEPT + {return const_iterator(0, 0);} + + _LIBCPP_INLINE_VISIBILITY void operator&=(const __bitset&) _NOEXCEPT {} + _LIBCPP_INLINE_VISIBILITY void operator|=(const __bitset&) _NOEXCEPT {} + _LIBCPP_INLINE_VISIBILITY void operator^=(const __bitset&) _NOEXCEPT {} + + _LIBCPP_INLINE_VISIBILITY void flip() _NOEXCEPT {} + + _LIBCPP_INLINE_VISIBILITY unsigned long to_ulong() const {return 0;} + _LIBCPP_INLINE_VISIBILITY unsigned long long to_ullong() const {return 0;} + + _LIBCPP_INLINE_VISIBILITY bool all() const _NOEXCEPT {return true;} + _LIBCPP_INLINE_VISIBILITY bool any() const _NOEXCEPT {return false;} + + _LIBCPP_INLINE_VISIBILITY size_t __hash_code() const _NOEXCEPT {return 0;} +}; + +inline _LIBCPP_INLINE_VISIBILITY +__bitset<0, 0>::__bitset() _NOEXCEPT +{ +} + +inline _LIBCPP_INLINE_VISIBILITY +__bitset<0, 0>::__bitset(unsigned long long) _NOEXCEPT +{ +} + +template <size_t _Size> class bitset; +template <size_t _Size> struct hash<bitset<_Size> >; + +template <size_t _Size> +class _LIBCPP_VISIBLE bitset + : private __bitset<_Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1, _Size> +{ + static const unsigned __n_words = _Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1; + typedef __bitset<__n_words, _Size> base; + +public: + typedef typename base::reference reference; + typedef typename base::const_reference const_reference; + + // 23.3.5.1 constructors: + /*constexpr*/ _LIBCPP_INLINE_VISIBILITY bitset() _NOEXCEPT {} + /*constexpr*/ _LIBCPP_INLINE_VISIBILITY bitset(unsigned long long __v) _NOEXCEPT : base(__v) {} + template<class _CharT> + explicit bitset(const _CharT* __str, + typename basic_string<_CharT>::size_type __n = basic_string<_CharT>::npos, + _CharT __zero = _CharT('0'), _CharT __one = _CharT('1')); + template<class _CharT, class _Traits, class _Allocator> + explicit bitset(const basic_string<_CharT,_Traits,_Allocator>& __str, + typename basic_string<_CharT,_Traits,_Allocator>::size_type __pos = 0, + typename basic_string<_CharT,_Traits,_Allocator>::size_type __n = + (basic_string<_CharT,_Traits,_Allocator>::npos), + _CharT __zero = _CharT('0'), _CharT __one = _CharT('1')); + + // 23.3.5.2 bitset operations: + bitset& operator&=(const bitset& __rhs) _NOEXCEPT; + bitset& operator|=(const bitset& __rhs) _NOEXCEPT; + bitset& operator^=(const bitset& __rhs) _NOEXCEPT; + bitset& operator<<=(size_t __pos) _NOEXCEPT; + bitset& operator>>=(size_t __pos) _NOEXCEPT; + bitset& set() _NOEXCEPT; + bitset& set(size_t __pos, bool __val = true); + bitset& reset() _NOEXCEPT; + bitset& reset(size_t __pos); + bitset operator~() const _NOEXCEPT; + bitset& flip() _NOEXCEPT; + bitset& flip(size_t __pos); + + // element access: + _LIBCPP_INLINE_VISIBILITY const_reference operator[](size_t __p) const {return base::__make_ref(__p);} + _LIBCPP_INLINE_VISIBILITY reference operator[](size_t __p) {return base::__make_ref(__p);} + unsigned long to_ulong() const; + unsigned long long to_ullong() const; + template <class _CharT, class _Traits, class _Allocator> + basic_string<_CharT, _Traits, _Allocator> to_string(_CharT __zero = _CharT('0'), + _CharT __one = _CharT('1')) const; + template <class _CharT, class _Traits> + basic_string<_CharT, _Traits, allocator<_CharT> > to_string(_CharT __zero = _CharT('0'), + _CharT __one = _CharT('1')) const; + template <class _CharT> + basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > to_string(_CharT __zero = _CharT('0'), + _CharT __one = _CharT('1')) const; + basic_string<char, char_traits<char>, allocator<char> > to_string(char __zero = '0', + char __one = '1') const; + size_t count() const _NOEXCEPT; + /*constexpr*/ _LIBCPP_INLINE_VISIBILITY size_t size() const _NOEXCEPT {return _Size;} + bool operator==(const bitset& __rhs) const _NOEXCEPT; + bool operator!=(const bitset& __rhs) const _NOEXCEPT; + bool test(size_t __pos) const; + bool all() const _NOEXCEPT; + bool any() const _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY bool none() const _NOEXCEPT {return !any();} + bitset operator<<(size_t __pos) const _NOEXCEPT; + bitset operator>>(size_t __pos) const _NOEXCEPT; + +private: + + _LIBCPP_INLINE_VISIBILITY + size_t __hash_code() const _NOEXCEPT {return base::__hash_code();} + + friend struct hash<bitset>; +}; + +template <size_t _Size> +template<class _CharT> +bitset<_Size>::bitset(const _CharT* __str, + typename basic_string<_CharT>::size_type __n, + _CharT __zero, _CharT __one) +{ + size_t __rlen = _VSTD::min(__n, char_traits<_CharT>::length(__str)); + for (size_t __i = 0; __i < __rlen; ++__i) + if (__str[__i] != __zero && __str[__i] != __one) +#ifndef _LIBCPP_NO_EXCEPTIONS + throw invalid_argument("bitset string ctor has invalid argument"); +#else + assert(!"bitset string ctor has invalid argument"); +#endif + size_t _M = _VSTD::min(__rlen, _Size); + size_t __i = 0; + for (; __i < _M; ++__i) + { + _CharT __c = __str[_M - 1 - __i]; + if (__c == __zero) + (*this)[__i] = false; + else + (*this)[__i] = true; + } + _VSTD::fill(base::__make_iter(__i), base::__make_iter(_Size), false); +} + +template <size_t _Size> +template<class _CharT, class _Traits, class _Allocator> +bitset<_Size>::bitset(const basic_string<_CharT,_Traits,_Allocator>& __str, + typename basic_string<_CharT,_Traits,_Allocator>::size_type __pos, + typename basic_string<_CharT,_Traits,_Allocator>::size_type __n, + _CharT __zero, _CharT __one) +{ + if (__pos > __str.size()) +#ifndef _LIBCPP_NO_EXCEPTIONS + throw out_of_range("bitset string pos out of range"); +#else + assert(!"bitset string pos out of range"); +#endif + size_t __rlen = _VSTD::min(__n, __str.size() - __pos); + for (size_t __i = __pos; __i < __pos + __rlen; ++__i) + if (!_Traits::eq(__str[__i], __zero) && !_Traits::eq(__str[__i], __one)) +#ifndef _LIBCPP_NO_EXCEPTIONS + throw invalid_argument("bitset string ctor has invalid argument"); +#else + assert(!"bitset string ctor has invalid argument"); +#endif + size_t _M = _VSTD::min(__rlen, _Size); + size_t __i = 0; + for (; __i < _M; ++__i) + { + _CharT __c = __str[__pos + _M - 1 - __i]; + if (_Traits::eq(__c, __zero)) + (*this)[__i] = false; + else + (*this)[__i] = true; + } + _VSTD::fill(base::__make_iter(__i), base::__make_iter(_Size), false); +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size>& +bitset<_Size>::operator&=(const bitset& __rhs) _NOEXCEPT +{ + base::operator&=(__rhs); + return *this; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size>& +bitset<_Size>::operator|=(const bitset& __rhs) _NOEXCEPT +{ + base::operator|=(__rhs); + return *this; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size>& +bitset<_Size>::operator^=(const bitset& __rhs) _NOEXCEPT +{ + base::operator^=(__rhs); + return *this; +} + +template <size_t _Size> +bitset<_Size>& +bitset<_Size>::operator<<=(size_t __pos) _NOEXCEPT +{ + __pos = _VSTD::min(__pos, _Size); + _VSTD::copy_backward(base::__make_iter(0), base::__make_iter(_Size - __pos), base::__make_iter(_Size)); + _VSTD::fill_n(base::__make_iter(0), __pos, false); + return *this; +} + +template <size_t _Size> +bitset<_Size>& +bitset<_Size>::operator>>=(size_t __pos) _NOEXCEPT +{ + __pos = _VSTD::min(__pos, _Size); + _VSTD::copy(base::__make_iter(__pos), base::__make_iter(_Size), base::__make_iter(0)); + _VSTD::fill_n(base::__make_iter(_Size - __pos), __pos, false); + return *this; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size>& +bitset<_Size>::set() _NOEXCEPT +{ + _VSTD::fill_n(base::__make_iter(0), _Size, true); + return *this; +} + +template <size_t _Size> +bitset<_Size>& +bitset<_Size>::set(size_t __pos, bool __val) +{ + if (__pos >= _Size) +#ifndef _LIBCPP_NO_EXCEPTIONS + throw out_of_range("bitset set argument out of range"); +#else + assert(!"bitset set argument out of range"); +#endif + (*this)[__pos] = __val; + return *this; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size>& +bitset<_Size>::reset() _NOEXCEPT +{ + _VSTD::fill_n(base::__make_iter(0), _Size, false); + return *this; +} + +template <size_t _Size> +bitset<_Size>& +bitset<_Size>::reset(size_t __pos) +{ + if (__pos >= _Size) +#ifndef _LIBCPP_NO_EXCEPTIONS + throw out_of_range("bitset reset argument out of range"); +#else + assert(!"bitset reset argument out of range"); +#endif + (*this)[__pos] = false; + return *this; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size> +bitset<_Size>::operator~() const _NOEXCEPT +{ + bitset __x(*this); + __x.flip(); + return __x; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size>& +bitset<_Size>::flip() _NOEXCEPT +{ + base::flip(); + return *this; +} + +template <size_t _Size> +bitset<_Size>& +bitset<_Size>::flip(size_t __pos) +{ + if (__pos >= _Size) +#ifndef _LIBCPP_NO_EXCEPTIONS + throw out_of_range("bitset flip argument out of range"); +#else + assert(!"bitset flip argument out of range"); +#endif + reference r = base::__make_ref(__pos); + r = ~r; + return *this; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +unsigned long +bitset<_Size>::to_ulong() const +{ + return base::to_ulong(); +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +unsigned long long +bitset<_Size>::to_ullong() const +{ + return base::to_ullong(); +} + +template <size_t _Size> +template <class _CharT, class _Traits, class _Allocator> +basic_string<_CharT, _Traits, _Allocator> +bitset<_Size>::to_string(_CharT __zero, _CharT __one) const +{ + basic_string<_CharT, _Traits, _Allocator> __r(_Size, __zero); + for (size_t __i = 0; __i < _Size; ++__i) + { + if ((*this)[__i]) + __r[_Size - 1 - __i] = __one; + } + return __r; +} + +template <size_t _Size> +template <class _CharT, class _Traits> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, _Traits, allocator<_CharT> > +bitset<_Size>::to_string(_CharT __zero, _CharT __one) const +{ + return to_string<_CharT, _Traits, allocator<_CharT> >(__zero, __one); +} + +template <size_t _Size> +template <class _CharT> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > +bitset<_Size>::to_string(_CharT __zero, _CharT __one) const +{ + return to_string<_CharT, char_traits<_CharT>, allocator<_CharT> >(__zero, __one); +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +basic_string<char, char_traits<char>, allocator<char> > +bitset<_Size>::to_string(char __zero, char __one) const +{ + return to_string<char, char_traits<char>, allocator<char> >(__zero, __one); +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +size_t +bitset<_Size>::count() const _NOEXCEPT +{ + return static_cast<size_t>(_VSTD::count(base::__make_iter(0), base::__make_iter(_Size), true)); +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bool +bitset<_Size>::operator==(const bitset& __rhs) const _NOEXCEPT +{ + return _VSTD::equal(base::__make_iter(0), base::__make_iter(_Size), __rhs.__make_iter(0)); +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bool +bitset<_Size>::operator!=(const bitset& __rhs) const _NOEXCEPT +{ + return !(*this == __rhs); +} + +template <size_t _Size> +bool +bitset<_Size>::test(size_t __pos) const +{ + if (__pos >= _Size) +#ifndef _LIBCPP_NO_EXCEPTIONS + throw out_of_range("bitset test argument out of range"); +#else + assert(!"bitset test argument out of range"); +#endif + return (*this)[__pos]; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bool +bitset<_Size>::all() const _NOEXCEPT +{ + return base::all(); +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bool +bitset<_Size>::any() const _NOEXCEPT +{ + return base::any(); +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size> +bitset<_Size>::operator<<(size_t __pos) const _NOEXCEPT +{ + bitset __r = *this; + __r <<= __pos; + return __r; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size> +bitset<_Size>::operator>>(size_t __pos) const _NOEXCEPT +{ + bitset __r = *this; + __r >>= __pos; + return __r; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size> +operator&(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT +{ + bitset<_Size> __r = __x; + __r &= __y; + return __r; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size> +operator|(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT +{ + bitset<_Size> __r = __x; + __r |= __y; + return __r; +} + +template <size_t _Size> +inline _LIBCPP_INLINE_VISIBILITY +bitset<_Size> +operator^(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT +{ + bitset<_Size> __r = __x; + __r ^= __y; + return __r; +} + +template <size_t _Size> +struct _LIBCPP_VISIBLE hash<bitset<_Size> > + : public unary_function<bitset<_Size>, size_t> +{ + _LIBCPP_INLINE_VISIBILITY + size_t operator()(const bitset<_Size>& __bs) const _NOEXCEPT + {return __bs.__hash_code();} +}; + +template <class _CharT, class _Traits, size_t _Size> +basic_istream<_CharT, _Traits>& +operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x); + +template <class _CharT, class _Traits, size_t _Size> +basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x); + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_BITSET |