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편집 파일: bitset

// Profiling bitset implementation -*- C++ -*- // Copyright (C) 2009-2018 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. /** @file profile/bitset * This file is a GNU profile extension to the Standard C++ Library. */ #ifndef _GLIBCXX_PROFILE_BITSET #define _GLIBCXX_PROFILE_BITSET #include <bitset> namespace std _GLIBCXX_VISIBILITY(default) { namespace __profile { /// Class std::bitset wrapper with performance instrumentation, none at the /// moment. template<size_t _Nb> class bitset : public _GLIBCXX_STD_C::bitset<_Nb> { typedef _GLIBCXX_STD_C::bitset<_Nb> _Base; public: // 23.3.5.1 constructors: #if __cplusplus < 201103L bitset() : _Base() { } #else constexpr bitset() = default; #endif #if __cplusplus >= 201103L constexpr bitset(unsigned long long __val) noexcept #else bitset(unsigned long __val) #endif : _Base(__val) { } template<typename _CharT, typename _Traits, typename _Alloc> explicit bitset(const std::basic_string<_CharT, _Traits, _Alloc>& __str, typename std::basic_string<_CharT, _Traits, _Alloc>::size_type __pos = 0, typename std::basic_string<_CharT, _Traits, _Alloc>::size_type __n = (std::basic_string<_CharT, _Traits, _Alloc>::npos)) : _Base(__str, __pos, __n) { } // _GLIBCXX_RESOLVE_LIB_DEFECTS // 396. what are characters zero and one. template<class _CharT, class _Traits, class _Alloc> bitset(const std::basic_string<_CharT, _Traits, _Alloc>& __str, typename std::basic_string<_CharT, _Traits, _Alloc>::size_type __pos, typename std::basic_string<_CharT, _Traits, _Alloc>::size_type __n, _CharT __zero, _CharT __one = _CharT('1')) : _Base(__str, __pos, __n, __zero, __one) { } bitset(const _Base& __x) : _Base(__x) { } #if __cplusplus >= 201103L template<typename _CharT> explicit bitset(const _CharT* __str, typename std::basic_string<_CharT>::size_type __n = std::basic_string<_CharT>::npos, _CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) : _Base(__str, __n, __zero, __one) { } #endif // 23.3.5.2 bitset operations: bitset<_Nb>& operator&=(const bitset<_Nb>& __rhs) _GLIBCXX_NOEXCEPT { _M_base() &= __rhs; return *this; } bitset<_Nb>& operator|=(const bitset<_Nb>& __rhs) _GLIBCXX_NOEXCEPT { _M_base() |= __rhs; return *this; } bitset<_Nb>& operator^=(const bitset<_Nb>& __rhs) _GLIBCXX_NOEXCEPT { _M_base() ^= __rhs; return *this; } bitset<_Nb>& operator<<=(size_t __pos) _GLIBCXX_NOEXCEPT { _M_base() <<= __pos; return *this; } bitset<_Nb>& operator>>=(size_t __pos) _GLIBCXX_NOEXCEPT { _M_base() >>= __pos; return *this; } bitset<_Nb>& set() _GLIBCXX_NOEXCEPT { _Base::set(); return *this; } // _GLIBCXX_RESOLVE_LIB_DEFECTS // 186. bitset::set() second parameter should be bool bitset<_Nb>& set(size_t __pos, bool __val = true) { _Base::set(__pos, __val); return *this; } bitset<_Nb>& reset() _GLIBCXX_NOEXCEPT { _Base::reset(); return *this; } bitset<_Nb>& reset(size_t __pos) { _Base::reset(__pos); return *this; } bitset<_Nb> operator~() const _GLIBCXX_NOEXCEPT { return bitset(~_M_base()); } bitset<_Nb>& flip() _GLIBCXX_NOEXCEPT { _Base::flip(); return *this; } bitset<_Nb>& flip(size_t __pos) { _Base::flip(__pos); return *this; } bool operator==(const bitset<_Nb>& __rhs) const _GLIBCXX_NOEXCEPT { return _M_base() == __rhs; } bool operator!=(const bitset<_Nb>& __rhs) const _GLIBCXX_NOEXCEPT { return _M_base() != __rhs; } bitset<_Nb> operator<<(size_t __pos) const _GLIBCXX_NOEXCEPT { return bitset<_Nb>(_M_base() << __pos); } bitset<_Nb> operator>>(size_t __pos) const _GLIBCXX_NOEXCEPT { return bitset<_Nb>(_M_base() >> __pos); } _Base& _M_base() _GLIBCXX_NOEXCEPT { return *this; } const _Base& _M_base() const _GLIBCXX_NOEXCEPT { return *this; } }; template<size_t _Nb> bitset<_Nb> operator&(const bitset<_Nb>& __x, const bitset<_Nb>& __y) _GLIBCXX_NOEXCEPT { return bitset<_Nb>(__x) &= __y; } template<size_t _Nb> bitset<_Nb> operator|(const bitset<_Nb>& __x, const bitset<_Nb>& __y) _GLIBCXX_NOEXCEPT { return bitset<_Nb>(__x) |= __y; } template<size_t _Nb> bitset<_Nb> operator^(const bitset<_Nb>& __x, const bitset<_Nb>& __y) _GLIBCXX_NOEXCEPT { return bitset<_Nb>(__x) ^= __y; } template<typename _CharT, typename _Traits, size_t _Nb> std::basic_istream<_CharT, _Traits>& operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x) { return __is >> __x._M_base(); } template<typename _CharT, typename _Traits, size_t _Nb> std::basic_ostream<_CharT, _Traits>& operator<<(std::basic_ostream<_CharT, _Traits>& __os, const bitset<_Nb>& __x) { return __os << __x._M_base(); } } // namespace __profile #if __cplusplus >= 201103L // DR 1182. /// std::hash specialization for bitset. template<size_t _Nb> struct hash<__profile::bitset<_Nb>> : public __hash_base<size_t, __profile::bitset<_Nb>> { size_t operator()(const __profile::bitset<_Nb>& __b) const noexcept { return std::hash<_GLIBCXX_STD_C::bitset<_Nb>>()(__b._M_base()); } }; #endif } // namespace std #endif