// -*- C++ -*- //===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_BITSET #define _LIBCPP_BITSET // clang-format off /* bitset synopsis namespace std { namespace std { template 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 constexpr explicit bitset(const charT* str, typename basic_string::size_type n = basic_string::npos, charT zero = charT('0'), charT one = charT('1')); // until C++26, constexpr since C++23 template constexpr explicit bitset(const charT* str, typename basic_string_view::size_type n = basic_string_view::npos, charT zero = charT('0'), charT one = charT('1')); // since C++26 template explicit bitset( const basic_string_view& str, typename basic_string_view::size_type pos = 0, typename basic_string_view::size_type n = basic_string_view::npos, charT zero = charT('0'), charT one = charT('1')); // since C++26 template constexpr explicit bitset( const basic_string& str, typename basic_string::size_type pos = 0, typename basic_string::size_type n = basic_string::npos, charT zero = charT('0'), charT one = charT('1')); // constexpr since C++23 // 23.3.5.2 bitset operations: bitset& operator&=(const bitset& rhs) noexcept; // constexpr since C++23 bitset& operator|=(const bitset& rhs) noexcept; // constexpr since C++23 bitset& operator^=(const bitset& rhs) noexcept; // constexpr since C++23 bitset& operator<<=(size_t pos) noexcept; // constexpr since C++23 bitset& operator>>=(size_t pos) noexcept; // constexpr since C++23 bitset& set() noexcept; // constexpr since C++23 bitset& set(size_t pos, bool val = true); // constexpr since C++23 bitset& reset() noexcept; // constexpr since C++23 bitset& reset(size_t pos); // constexpr since C++23 bitset operator~() const noexcept; // constexpr since C++23 bitset& flip() noexcept; // constexpr since C++23 bitset& flip(size_t pos); // constexpr since C++23 // element access: constexpr bool operator[](size_t pos) const; reference operator[](size_t pos); // constexpr since C++23 unsigned long to_ulong() const; // constexpr since C++23 unsigned long long to_ullong() const; // constexpr since C++23 template // constexpr since C++23 basic_string to_string(charT zero = charT('0'), charT one = charT('1')) const; template // constexpr since C++23 basic_string > to_string(charT zero = charT('0'), charT one = charT('1')) const; template // constexpr since C++23 basic_string, allocator > to_string(charT zero = charT('0'), charT one = charT('1')) const; basic_string, allocator > to_string(char zero = '0', char one = '1') const; // constexpr since C++23 size_t count() const noexcept; // constexpr since C++23 constexpr size_t size() const noexcept; // constexpr since C++23 bool operator==(const bitset& rhs) const noexcept; // constexpr since C++23 bool operator!=(const bitset& rhs) const noexcept; // removed in C++20 bool test(size_t pos) const; // constexpr since C++23 bool all() const noexcept; // constexpr since C++23 bool any() const noexcept; // constexpr since C++23 bool none() const noexcept; // constexpr since C++23 bitset operator<<(size_t pos) const noexcept; // constexpr since C++23 bitset operator>>(size_t pos) const noexcept; // constexpr since C++23 }; // 23.3.5.3 bitset operators: template bitset operator&(const bitset&, const bitset&) noexcept; // constexpr since C++23 template bitset operator|(const bitset&, const bitset&) noexcept; // constexpr since C++23 template bitset operator^(const bitset&, const bitset&) noexcept; // constexpr since C++23 template basic_istream& operator>>(basic_istream& is, bitset& x); template basic_ostream& operator<<(basic_ostream& os, const bitset& x); template struct hash>; } // std */ // clang-format on #include <__algorithm/count.h> #include <__algorithm/fill.h> #include <__algorithm/find.h> #include <__bit_reference> #include <__config> #include <__functional/hash.h> #include <__functional/unary_function.h> #include <__type_traits/is_char_like_type.h> #include #include #include #include #include // standard-mandated includes // [bitset.syn] #include #include #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif _LIBCPP_PUSH_MACROS #include <__undef_macros> _LIBCPP_BEGIN_NAMESPACE_STD template class __bitset; template struct __has_storage_type<__bitset<_N_words, _Size> > { static const bool value = true; }; template class __bitset { public: typedef ptrdiff_t difference_type; typedef size_t size_type; typedef size_type __storage_type; protected: typedef __bitset __self; typedef __storage_type* __storage_pointer; typedef const __storage_type* __const_storage_pointer; static const unsigned __bits_per_word = static_cast(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 struct __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; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __bitset() _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long __v) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference __make_ref(size_t __pos) _NOEXCEPT { return reference(__first_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR 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_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 iterator __make_iter(size_t __pos) _NOEXCEPT { return iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 const_iterator __make_iter(size_t __pos) const _NOEXCEPT { return const_iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator&=(const __bitset& __v) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator|=(const __bitset& __v) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator^=(const __bitset& __v) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void flip() _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const { return to_ulong(integral_constant < bool, _Size< sizeof(unsigned long) * CHAR_BIT>()); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const { return to_ullong(integral_constant < bool, _Size< sizeof(unsigned long long) * CHAR_BIT>()); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT; private: #ifdef _LIBCPP_CXX03_LANG void __init(unsigned long long __v, false_type) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI void __init(unsigned long long __v, true_type) _NOEXCEPT; #endif // _LIBCPP_CXX03_LANG _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong(false_type) const; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong(true_type) const; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong(false_type) const; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong(true_type) const; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong(true_type, false_type) const; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong(true_type, true_type) const; }; template inline _LIBCPP_CONSTEXPR __bitset<_N_words, _Size>::__bitset() _NOEXCEPT #ifndef _LIBCPP_CXX03_LANG : __first_{0} #endif { #ifdef _LIBCPP_CXX03_LANG std::fill_n(__first_, _N_words, __storage_type(0)); #endif } #ifdef _LIBCPP_CXX03_LANG template void __bitset<_N_words, _Size>::__init(unsigned long long __v, false_type) _NOEXCEPT { __storage_type __t[sizeof(unsigned long long) / sizeof(__storage_type)]; size_t __sz = _Size; for (size_t __i = 0; __i < sizeof(__t) / sizeof(__t[0]); ++__i, __v >>= __bits_per_word, __sz -= __bits_per_word) if (__sz < __bits_per_word) __t[__i] = static_cast<__storage_type>(__v) & (1ULL << __sz) - 1; else __t[__i] = static_cast<__storage_type>(__v); std::copy(__t, __t + sizeof(__t) / sizeof(__t[0]), __first_); std::fill( __first_ + sizeof(__t) / sizeof(__t[0]), __first_ + sizeof(__first_) / sizeof(__first_[0]), __storage_type(0)); } template inline _LIBCPP_HIDE_FROM_ABI void __bitset<_N_words, _Size>::__init(unsigned long long __v, true_type) _NOEXCEPT { __first_[0] = __v; if (_Size < __bits_per_word) __first_[0] &= (1ULL << _Size) - 1; std::fill(__first_ + 1, __first_ + sizeof(__first_) / sizeof(__first_[0]), __storage_type(0)); } #endif // _LIBCPP_CXX03_LANG template inline _LIBCPP_CONSTEXPR __bitset<_N_words, _Size>::__bitset(unsigned long long __v) _NOEXCEPT #ifndef _LIBCPP_CXX03_LANG # if __SIZEOF_SIZE_T__ == 8 : __first_{__v} # elif __SIZEOF_SIZE_T__ == 4 : __first_{static_cast<__storage_type>(__v), _Size >= 2 * __bits_per_word ? static_cast<__storage_type>(__v >> __bits_per_word) : static_cast<__storage_type>((__v >> __bits_per_word) & (__storage_type(1) << (_Size - __bits_per_word)) - 1)} # else # error This constructor has not been ported to this platform # endif #endif { #ifdef _LIBCPP_CXX03_LANG __init(__v, integral_constant()); #endif } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 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 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 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 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 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 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 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 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long __bitset<_N_words, _Size>::to_ulong(false_type) const { const_iterator __e = __make_iter(_Size); const_iterator __i = std::find(__make_iter(sizeof(unsigned long) * CHAR_BIT), __e, true); if (__i != __e) __throw_overflow_error("bitset to_ulong overflow error"); return __first_[0]; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long __bitset<_N_words, _Size>::to_ulong(true_type) const { return __first_[0]; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long __bitset<_N_words, _Size>::to_ullong(false_type) const { const_iterator __e = __make_iter(_Size); const_iterator __i = std::find(__make_iter(sizeof(unsigned long long) * CHAR_BIT), __e, true); if (__i != __e) __throw_overflow_error("bitset to_ullong overflow error"); return to_ullong(true_type()); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long __bitset<_N_words, _Size>::to_ullong(true_type) const { return to_ullong(true_type(), integral_constant()); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long __bitset<_N_words, _Size>::to_ullong(true_type, false_type) const { return __first_[0]; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long __bitset<_N_words, _Size>::to_ullong(true_type, true_type) const { unsigned long long __r = __first_[0]; _LIBCPP_DIAGNOSTIC_PUSH _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wshift-count-overflow") for (size_t __i = 1; __i < sizeof(unsigned long long) / sizeof(__storage_type); ++__i) __r |= static_cast(__first_[__i]) << (sizeof(__storage_type) * CHAR_BIT); _LIBCPP_DIAGNOSTIC_POP return __r; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 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 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 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 inline 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 class __bitset<1, _Size> { public: typedef ptrdiff_t difference_type; typedef size_t size_type; typedef size_type __storage_type; protected: typedef __bitset __self; typedef __storage_type* __storage_pointer; typedef const __storage_type* __const_storage_pointer; static const unsigned __bits_per_word = static_cast(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 struct __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; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __bitset() _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long __v) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference __make_ref(size_t __pos) _NOEXCEPT { return reference(&__first_, __storage_type(1) << __pos); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR const_reference __make_ref(size_t __pos) const _NOEXCEPT { return const_reference(&__first_, __storage_type(1) << __pos); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 iterator __make_iter(size_t __pos) _NOEXCEPT { return iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 const_iterator __make_iter(size_t __pos) const _NOEXCEPT { return const_iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator&=(const __bitset& __v) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator|=(const __bitset& __v) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator^=(const __bitset& __v) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void flip() _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT; }; template inline _LIBCPP_CONSTEXPR __bitset<1, _Size>::__bitset() _NOEXCEPT : __first_(0) {} template inline _LIBCPP_CONSTEXPR __bitset<1, _Size>::__bitset(unsigned long long __v) _NOEXCEPT : __first_(_Size == __bits_per_word ? static_cast<__storage_type>(__v) : static_cast<__storage_type>(__v) & ((__storage_type(1) << _Size) - 1)) {} template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void __bitset<1, _Size>::operator&=(const __bitset& __v) _NOEXCEPT { __first_ &= __v.__first_; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void __bitset<1, _Size>::operator|=(const __bitset& __v) _NOEXCEPT { __first_ |= __v.__first_; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void __bitset<1, _Size>::operator^=(const __bitset& __v) _NOEXCEPT { __first_ ^= __v.__first_; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void __bitset<1, _Size>::flip() _NOEXCEPT { __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); __first_ = ~__first_; __first_ &= __m; } template inline _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long __bitset<1, _Size>::to_ulong() const { return __first_; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long __bitset<1, _Size>::to_ullong() const { return __first_; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool __bitset<1, _Size>::all() const _NOEXCEPT { __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); return !(~__first_ & __m); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool __bitset<1, _Size>::any() const _NOEXCEPT { __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size); return __first_ & __m; } template inline 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; typedef size_type __storage_type; protected: typedef __bitset __self; typedef __storage_type* __storage_pointer; typedef const __storage_type* __const_storage_pointer; static const unsigned __bits_per_word = static_cast(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 struct __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; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __bitset() _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference __make_ref(size_t) _NOEXCEPT { return reference(nullptr, 1); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR const_reference __make_ref(size_t) const _NOEXCEPT { return const_reference(nullptr, 1); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 iterator __make_iter(size_t) _NOEXCEPT { return iterator(nullptr, 0); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 const_iterator __make_iter(size_t) const _NOEXCEPT { return const_iterator(nullptr, 0); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator&=(const __bitset&) _NOEXCEPT {} _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator|=(const __bitset&) _NOEXCEPT {} _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void operator^=(const __bitset&) _NOEXCEPT {} _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void flip() _NOEXCEPT {} _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const { return 0; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const { return 0; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT { return true; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT { return false; } _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT { return 0; } }; inline _LIBCPP_CONSTEXPR __bitset<0, 0>::__bitset() _NOEXCEPT {} inline _LIBCPP_CONSTEXPR __bitset<0, 0>::__bitset(unsigned long long) _NOEXCEPT {} template class _LIBCPP_TEMPLATE_VIS bitset; template struct hash >; template class _LIBCPP_TEMPLATE_VIS bitset : private __bitset<_Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1, _Size> { public: 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: _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bitset() _NOEXCEPT {} _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bitset(unsigned long long __v) _NOEXCEPT : base(__v) {} template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 explicit bitset( const _CharT* __str, #if _LIBCPP_STD_VER >= 26 typename basic_string_view<_CharT>::size_type __n = basic_string_view<_CharT>::npos, #else typename basic_string<_CharT>::size_type __n = basic_string<_CharT>::npos, #endif _CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) { size_t __rlen = std::min(__n, char_traits<_CharT>::length(__str)); __init_from_string_view(basic_string_view<_CharT>(__str, __rlen), __zero, __one); } #if _LIBCPP_STD_VER >= 26 template _LIBCPP_HIDE_FROM_ABI constexpr explicit bitset( basic_string_view<_CharT, _Traits> __str, typename basic_string_view<_CharT, _Traits>::size_type __pos = 0, typename basic_string_view<_CharT, _Traits>::size_type __n = basic_string_view<_CharT, _Traits>::npos, _CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) { if (__pos > __str.size()) __throw_out_of_range("bitset string pos out of range"); size_t __rlen = std::min(__n, __str.size() - __pos); __init_from_string_view(basic_string_view<_CharT, _Traits>(__str.data() + __pos, __rlen), __zero, __one); } #endif template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 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')) { if (__pos > __str.size()) std::__throw_out_of_range("bitset string pos out of range"); size_t __rlen = std::min(__n, __str.size() - __pos); __init_from_string_view(basic_string_view<_CharT, _Traits>(__str.data() + __pos, __rlen), __zero, __one); } // 23.3.5.2 bitset operations: _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator&=(const bitset& __rhs) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator|=(const bitset& __rhs) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator^=(const bitset& __rhs) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator<<=(size_t __pos) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& operator>>=(size_t __pos) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& set() _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& set(size_t __pos, bool __val = true); _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& reset() _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& reset(size_t __pos); _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset operator~() const _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& flip() _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset& flip(size_t __pos); // element access: #ifdef _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool operator[](size_t __p) const { return base::__make_ref(__p); } #else _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR const_reference operator[](size_t __p) const { return base::__make_ref(__p); } #endif _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 reference operator[](size_t __p) { return base::__make_ref(__p); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long to_ulong() const; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long to_ullong() const; template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, _Allocator> to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, _Traits, allocator<_CharT> > to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string, allocator > to_string(char __zero = '0', char __one = '1') const; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 size_t count() const _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR size_t size() const _NOEXCEPT { return _Size; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool operator==(const bitset& __rhs) const _NOEXCEPT; #if _LIBCPP_STD_VER <= 17 _LIBCPP_HIDE_FROM_ABI bool operator!=(const bitset& __rhs) const _NOEXCEPT; #endif _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool test(size_t __pos) const; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool all() const _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool any() const _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool none() const _NOEXCEPT { return !any(); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset operator<<(size_t __pos) const _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset operator>>(size_t __pos) const _NOEXCEPT; private: template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 void __init_from_string_view(basic_string_view<_CharT, _Traits> __str, _CharT __zero, _CharT __one) { for (size_t __i = 0; __i < __str.size(); ++__i) if (!_Traits::eq(__str[__i], __zero) && !_Traits::eq(__str[__i], __one)) std::__throw_invalid_argument("bitset string ctor has invalid argument"); size_t __mp = std::min(__str.size(), _Size); size_t __i = 0; for (; __i < __mp; ++__i) { _CharT __c = __str[__mp - 1 - __i]; (*this)[__i] = _Traits::eq(__c, __one); } std::fill(base::__make_iter(__i), base::__make_iter(_Size), false); } _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT { return base::__hash_code(); } friend struct hash; }; template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::operator&=(const bitset& __rhs) _NOEXCEPT { base::operator&=(__rhs); return *this; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::operator|=(const bitset& __rhs) _NOEXCEPT { base::operator|=(__rhs); return *this; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::operator^=(const bitset& __rhs) _NOEXCEPT { base::operator^=(__rhs); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::operator<<=(size_t __pos) _NOEXCEPT { __pos = std::min(__pos, _Size); std::copy_backward(base::__make_iter(0), base::__make_iter(_Size - __pos), base::__make_iter(_Size)); std::fill_n(base::__make_iter(0), __pos, false); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::operator>>=(size_t __pos) _NOEXCEPT { __pos = std::min(__pos, _Size); std::copy(base::__make_iter(__pos), base::__make_iter(_Size), base::__make_iter(0)); std::fill_n(base::__make_iter(_Size - __pos), __pos, false); return *this; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::set() _NOEXCEPT { std::fill_n(base::__make_iter(0), _Size, true); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::set(size_t __pos, bool __val) { if (__pos >= _Size) __throw_out_of_range("bitset set argument out of range"); (*this)[__pos] = __val; return *this; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::reset() _NOEXCEPT { std::fill_n(base::__make_iter(0), _Size, false); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::reset(size_t __pos) { if (__pos >= _Size) __throw_out_of_range("bitset reset argument out of range"); (*this)[__pos] = false; return *this; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> bitset<_Size>::operator~() const _NOEXCEPT { bitset __x(*this); __x.flip(); return __x; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::flip() _NOEXCEPT { base::flip(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size>& bitset<_Size>::flip(size_t __pos) { if (__pos >= _Size) __throw_out_of_range("bitset flip argument out of range"); reference __r = base::__make_ref(__pos); __r = ~__r; return *this; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long bitset<_Size>::to_ulong() const { return base::to_ulong(); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 unsigned long long bitset<_Size>::to_ullong() const { return base::to_ullong(); } template template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 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 template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 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 template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 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 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 basic_string, allocator > bitset<_Size>::to_string(char __zero, char __one) const { return to_string, allocator >(__zero, __one); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 size_t bitset<_Size>::count() const _NOEXCEPT { return static_cast(std::count(base::__make_iter(0), base::__make_iter(_Size), true)); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::operator==(const bitset& __rhs) const _NOEXCEPT { return std::equal(base::__make_iter(0), base::__make_iter(_Size), __rhs.__make_iter(0)); } #if _LIBCPP_STD_VER <= 17 template inline _LIBCPP_HIDE_FROM_ABI bool bitset<_Size>::operator!=(const bitset& __rhs) const _NOEXCEPT { return !(*this == __rhs); } #endif template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::test(size_t __pos) const { if (__pos >= _Size) __throw_out_of_range("bitset test argument out of range"); return (*this)[__pos]; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::all() const _NOEXCEPT { return base::all(); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bool bitset<_Size>::any() const _NOEXCEPT { return base::any(); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> bitset<_Size>::operator<<(size_t __pos) const _NOEXCEPT { bitset __r = *this; __r <<= __pos; return __r; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> bitset<_Size>::operator>>(size_t __pos) const _NOEXCEPT { bitset __r = *this; __r >>= __pos; return __r; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> operator&(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT { bitset<_Size> __r = __x; __r &= __y; return __r; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> operator|(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT { bitset<_Size> __r = __x; __r |= __y; return __r; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 bitset<_Size> operator^(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT { bitset<_Size> __r = __x; __r ^= __y; return __r; } template struct _LIBCPP_TEMPLATE_VIS hash > : public __unary_function, size_t> { _LIBCPP_HIDE_FROM_ABI size_t operator()(const bitset<_Size>& __bs) const _NOEXCEPT { return __bs.__hash_code(); } }; template _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x); template _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x); _LIBCPP_END_NAMESPACE_STD _LIBCPP_POP_MACROS #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 # include # include # include #endif #endif // _LIBCPP_BITSET