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- // Profiling bitset implementation -*- C++ -*-
- // Copyright (C) 2009-2015 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
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