1082 lines
33 KiB
C++
1082 lines
33 KiB
C++
// -*- C++ -*-
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//===---------------------------- bitset ----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_BITSET
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#define _LIBCPP_BITSET
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/*
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bitset synopsis
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namespace std
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{
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namespace std {
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template <size_t N>
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class bitset
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{
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public:
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// bit reference:
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class reference
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{
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friend class bitset;
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reference() noexcept;
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public:
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~reference() noexcept;
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reference& operator=(bool x) noexcept; // for b[i] = x;
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reference& operator=(const reference&) noexcept; // for b[i] = b[j];
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bool operator~() const noexcept; // flips the bit
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operator bool() const noexcept; // for x = b[i];
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reference& flip() noexcept; // for b[i].flip();
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};
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// 23.3.5.1 constructors:
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constexpr bitset() noexcept;
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constexpr bitset(unsigned long long val) noexcept;
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template <class charT>
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explicit bitset(const charT* str,
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typename basic_string<charT>::size_type n = basic_string<charT>::npos,
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charT zero = charT('0'), charT one = charT('1'));
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template<class charT, class traits, class Allocator>
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explicit bitset(const basic_string<charT,traits,Allocator>& str,
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typename basic_string<charT,traits,Allocator>::size_type pos = 0,
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typename basic_string<charT,traits,Allocator>::size_type n =
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basic_string<charT,traits,Allocator>::npos,
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charT zero = charT('0'), charT one = charT('1'));
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// 23.3.5.2 bitset operations:
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bitset& operator&=(const bitset& rhs) noexcept;
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bitset& operator|=(const bitset& rhs) noexcept;
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bitset& operator^=(const bitset& rhs) noexcept;
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bitset& operator<<=(size_t pos) noexcept;
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bitset& operator>>=(size_t pos) noexcept;
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bitset& set() noexcept;
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bitset& set(size_t pos, bool val = true);
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bitset& reset() noexcept;
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bitset& reset(size_t pos);
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bitset operator~() const noexcept;
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bitset& flip() noexcept;
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bitset& flip(size_t pos);
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// element access:
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constexpr bool operator[](size_t pos) const; // for b[i];
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reference operator[](size_t pos); // for b[i];
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unsigned long to_ulong() const;
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unsigned long long to_ullong() const;
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template <class charT, class traits, class Allocator>
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basic_string<charT, traits, Allocator> to_string(charT zero = charT('0'), charT one = charT('1')) const;
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template <class charT, class traits>
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basic_string<charT, traits, allocator<charT> > to_string(charT zero = charT('0'), charT one = charT('1')) const;
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template <class charT>
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basic_string<charT, char_traits<charT>, allocator<charT> > to_string(charT zero = charT('0'), charT one = charT('1')) const;
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basic_string<char, char_traits<char>, allocator<char> > to_string(char zero = '0', char one = '1') const;
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size_t count() const noexcept;
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constexpr size_t size() const noexcept;
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bool operator==(const bitset& rhs) const noexcept;
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bool operator!=(const bitset& rhs) const noexcept;
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bool test(size_t pos) const;
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bool all() const noexcept;
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bool any() const noexcept;
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bool none() const noexcept;
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bitset operator<<(size_t pos) const noexcept;
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bitset operator>>(size_t pos) const noexcept;
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};
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// 23.3.5.3 bitset operators:
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template <size_t N>
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bitset<N> operator&(const bitset<N>&, const bitset<N>&) noexcept;
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template <size_t N>
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bitset<N> operator|(const bitset<N>&, const bitset<N>&) noexcept;
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template <size_t N>
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bitset<N> operator^(const bitset<N>&, const bitset<N>&) noexcept;
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template <class charT, class traits, size_t N>
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basic_istream<charT, traits>&
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operator>>(basic_istream<charT, traits>& is, bitset<N>& x);
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template <class charT, class traits, size_t N>
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os, const bitset<N>& x);
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template <size_t N> struct hash<std::bitset<N>>;
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} // std
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*/
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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#include <__config>
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#include <__bit_reference>
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#include <cstddef>
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#include <climits>
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#include <string>
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#include <stdexcept>
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#include <iosfwd>
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#include <__functional_base>
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#if defined(_LIBCPP_NO_EXCEPTIONS)
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#include <cassert>
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#endif
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#include <__undef_min_max>
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <size_t _N_words, size_t _Size>
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class __bitset;
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template <size_t _N_words, size_t _Size>
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struct __has_storage_type<__bitset<_N_words, _Size> >
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{
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static const bool value = true;
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};
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template <size_t _N_words, size_t _Size>
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class __bitset
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{
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public:
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typedef ptrdiff_t difference_type;
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typedef size_t size_type;
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typedef size_type __storage_type;
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protected:
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typedef __bitset __self;
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typedef __storage_type* __storage_pointer;
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typedef const __storage_type* __const_storage_pointer;
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static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT);
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friend class __bit_reference<__bitset>;
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friend class __bit_const_reference<__bitset>;
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friend class __bit_iterator<__bitset, false>;
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friend class __bit_iterator<__bitset, true>;
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friend struct __bit_array<__bitset>;
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__storage_type __first_[_N_words];
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typedef __bit_reference<__bitset> reference;
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typedef __bit_const_reference<__bitset> const_reference;
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typedef __bit_iterator<__bitset, false> iterator;
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typedef __bit_iterator<__bitset, true> const_iterator;
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_LIBCPP_CONSTEXPR __bitset() _NOEXCEPT;
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explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long __v) _NOEXCEPT;
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_LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t __pos) _NOEXCEPT
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{return reference(__first_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR const_reference __make_ref(size_t __pos) const _NOEXCEPT
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{return const_reference(__first_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);}
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_LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t __pos) _NOEXCEPT
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{return iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word);}
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_LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t __pos) const _NOEXCEPT
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{return const_iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word);}
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void operator&=(const __bitset& __v) _NOEXCEPT;
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void operator|=(const __bitset& __v) _NOEXCEPT;
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void operator^=(const __bitset& __v) _NOEXCEPT;
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void flip() _NOEXCEPT;
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_LIBCPP_INLINE_VISIBILITY unsigned long to_ulong() const
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{return to_ulong(integral_constant<bool, _Size < sizeof(unsigned long) * CHAR_BIT>());}
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_LIBCPP_INLINE_VISIBILITY unsigned long long to_ullong() const
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{return to_ullong(integral_constant<bool, _Size < sizeof(unsigned long long) * CHAR_BIT>());}
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bool all() const _NOEXCEPT;
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bool any() const _NOEXCEPT;
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size_t __hash_code() const _NOEXCEPT;
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private:
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#ifdef _LIBCPP_HAS_NO_CONSTEXPR
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void __init(unsigned long long __v, false_type) _NOEXCEPT;
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void __init(unsigned long long __v, true_type) _NOEXCEPT;
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#endif // _LIBCPP_HAS_NO_CONSTEXPR
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unsigned long to_ulong(false_type) const;
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unsigned long to_ulong(true_type) const;
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unsigned long long to_ullong(false_type) const;
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unsigned long long to_ullong(true_type) const;
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unsigned long long to_ullong(true_type, false_type) const;
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unsigned long long to_ullong(true_type, true_type) const;
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};
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template <size_t _N_words, size_t _Size>
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inline _LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR
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__bitset<_N_words, _Size>::__bitset() _NOEXCEPT
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#ifndef _LIBCPP_HAS_NO_CONSTEXPR
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: __first_{0}
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#endif
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{
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#ifdef _LIBCPP_HAS_NO_CONSTEXPR
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_VSTD::fill_n(__first_, _N_words, __storage_type(0));
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#endif
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}
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#ifdef _LIBCPP_HAS_NO_CONSTEXPR
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template <size_t _N_words, size_t _Size>
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void
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__bitset<_N_words, _Size>::__init(unsigned long long __v, false_type) _NOEXCEPT
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{
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__storage_type __t[sizeof(unsigned long long) / sizeof(__storage_type)];
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for (size_t __i = 0; __i < sizeof(__t)/sizeof(__t[0]); ++__i, __v >>= __bits_per_word)
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__t[__i] = static_cast<__storage_type>(__v);
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_VSTD::copy(__t, __t + sizeof(__t)/sizeof(__t[0]), __first_);
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_VSTD::fill(__first_ + sizeof(__t)/sizeof(__t[0]), __first_ + sizeof(__first_)/sizeof(__first_[0]),
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__storage_type(0));
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}
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template <size_t _N_words, size_t _Size>
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inline _LIBCPP_INLINE_VISIBILITY
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void
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__bitset<_N_words, _Size>::__init(unsigned long long __v, true_type) _NOEXCEPT
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{
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__first_[0] = __v;
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_VSTD::fill(__first_ + 1, __first_ + sizeof(__first_)/sizeof(__first_[0]), __storage_type(0));
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}
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#endif // _LIBCPP_HAS_NO_CONSTEXPR
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template <size_t _N_words, size_t _Size>
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inline _LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR
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__bitset<_N_words, _Size>::__bitset(unsigned long long __v) _NOEXCEPT
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#ifndef _LIBCPP_HAS_NO_CONSTEXPR
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#if __SIZE_WIDTH__ == 64
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: __first_{__v}
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#elif __SIZE_WIDTH__ == 32
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: __first_{__v, __v >> __bits_per_word}
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#else
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#error This constructor has not been ported to this platform
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#endif
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#endif
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{
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#ifdef _LIBCPP_HAS_NO_CONSTEXPR
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__init(__v, integral_constant<bool, sizeof(unsigned long long) == sizeof(__storage_type)>());
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#endif
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}
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template <size_t _N_words, size_t _Size>
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inline _LIBCPP_INLINE_VISIBILITY
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void
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__bitset<_N_words, _Size>::operator&=(const __bitset& __v) _NOEXCEPT
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{
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for (size_type __i = 0; __i < _N_words; ++__i)
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__first_[__i] &= __v.__first_[__i];
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}
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template <size_t _N_words, size_t _Size>
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inline _LIBCPP_INLINE_VISIBILITY
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void
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__bitset<_N_words, _Size>::operator|=(const __bitset& __v) _NOEXCEPT
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{
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for (size_type __i = 0; __i < _N_words; ++__i)
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__first_[__i] |= __v.__first_[__i];
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}
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template <size_t _N_words, size_t _Size>
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inline _LIBCPP_INLINE_VISIBILITY
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void
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__bitset<_N_words, _Size>::operator^=(const __bitset& __v) _NOEXCEPT
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{
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for (size_type __i = 0; __i < _N_words; ++__i)
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__first_[__i] ^= __v.__first_[__i];
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}
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template <size_t _N_words, size_t _Size>
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void
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__bitset<_N_words, _Size>::flip() _NOEXCEPT
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{
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// do middle whole words
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size_type __n = _Size;
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__storage_pointer __p = __first_;
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for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word)
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*__p = ~*__p;
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// do last partial word
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if (__n > 0)
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{
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__storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
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__storage_type __b = *__p & __m;
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*__p &= ~__m;
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*__p |= ~__b & __m;
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}
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}
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template <size_t _N_words, size_t _Size>
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unsigned long
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__bitset<_N_words, _Size>::to_ulong(false_type) const
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{
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const_iterator __e = __make_iter(_Size);
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const_iterator __i = _VSTD::find(__make_iter(sizeof(unsigned long) * CHAR_BIT), __e, true);
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if (__i != __e)
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#ifndef _LIBCPP_NO_EXCEPTIONS
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throw overflow_error("bitset to_ulong overflow error");
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#else
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assert(!"bitset to_ulong overflow error");
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#endif
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return __first_[0];
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}
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template <size_t _N_words, size_t _Size>
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inline _LIBCPP_INLINE_VISIBILITY
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unsigned long
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__bitset<_N_words, _Size>::to_ulong(true_type) const
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{
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return __first_[0];
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}
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template <size_t _N_words, size_t _Size>
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unsigned long long
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__bitset<_N_words, _Size>::to_ullong(false_type) const
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{
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const_iterator __e = __make_iter(_Size);
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const_iterator __i = _VSTD::find(__make_iter(sizeof(unsigned long long) * CHAR_BIT), __e, true);
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if (__i != __e)
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#ifndef _LIBCPP_NO_EXCEPTIONS
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throw overflow_error("bitset to_ullong overflow error");
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#else
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assert(!"bitset to_ullong overflow error");
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#endif
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return to_ullong(true_type());
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}
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template <size_t _N_words, size_t _Size>
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inline _LIBCPP_INLINE_VISIBILITY
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unsigned long long
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__bitset<_N_words, _Size>::to_ullong(true_type) const
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{
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return to_ullong(true_type(), integral_constant<bool, sizeof(__storage_type) < sizeof(unsigned long long)>());
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}
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template <size_t _N_words, size_t _Size>
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inline _LIBCPP_INLINE_VISIBILITY
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unsigned long long
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__bitset<_N_words, _Size>::to_ullong(true_type, false_type) const
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{
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return __first_[0];
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}
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template <size_t _N_words, size_t _Size>
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unsigned long long
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__bitset<_N_words, _Size>::to_ullong(true_type, true_type) const
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{
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unsigned long long __r = __first_[0];
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for (std::size_t __i = 1; __i < sizeof(unsigned long long) / sizeof(__storage_type); ++__i)
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__r |= static_cast<unsigned long long>(__first_[__i]) << (sizeof(__storage_type) * CHAR_BIT);
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return __r;
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}
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template <size_t _N_words, size_t _Size>
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bool
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__bitset<_N_words, _Size>::all() const _NOEXCEPT
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{
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// do middle whole words
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size_type __n = _Size;
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__const_storage_pointer __p = __first_;
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for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word)
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if (~*__p)
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return false;
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// do last partial word
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if (__n > 0)
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{
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__storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
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if (~*__p & __m)
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return false;
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}
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return true;
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}
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template <size_t _N_words, size_t _Size>
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bool
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__bitset<_N_words, _Size>::any() const _NOEXCEPT
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{
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// do middle whole words
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size_type __n = _Size;
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__const_storage_pointer __p = __first_;
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for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word)
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if (*__p)
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return true;
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// do last partial word
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if (__n > 0)
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{
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__storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
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if (*__p & __m)
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return true;
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}
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return false;
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}
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template <size_t _N_words, size_t _Size>
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inline _LIBCPP_INLINE_VISIBILITY
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size_t
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__bitset<_N_words, _Size>::__hash_code() const _NOEXCEPT
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{
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size_t __h = 0;
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for (size_type __i = 0; __i < _N_words; ++__i)
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__h ^= __first_[__i];
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return __h;
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}
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template <size_t _Size>
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class __bitset<1, _Size>
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{
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public:
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typedef ptrdiff_t difference_type;
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typedef size_t size_type;
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typedef size_type __storage_type;
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protected:
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typedef __bitset __self;
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typedef __storage_type* __storage_pointer;
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typedef const __storage_type* __const_storage_pointer;
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static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT);
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friend class __bit_reference<__bitset>;
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friend class __bit_const_reference<__bitset>;
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friend class __bit_iterator<__bitset, false>;
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friend class __bit_iterator<__bitset, true>;
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friend struct __bit_array<__bitset>;
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__storage_type __first_;
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typedef __bit_reference<__bitset> reference;
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typedef __bit_const_reference<__bitset> const_reference;
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typedef __bit_iterator<__bitset, false> iterator;
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typedef __bit_iterator<__bitset, true> const_iterator;
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_LIBCPP_CONSTEXPR __bitset() _NOEXCEPT;
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explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long __v) _NOEXCEPT;
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_LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t __pos) _NOEXCEPT
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{return reference(&__first_, __storage_type(1) << __pos);}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR const_reference __make_ref(size_t __pos) const _NOEXCEPT
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{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
|
|
_LIBCPP_CONSTEXPR
|
|
__bitset<1, _Size>::__bitset() _NOEXCEPT
|
|
: __first_(0)
|
|
{
|
|
}
|
|
|
|
template <size_t _Size>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_LIBCPP_CONSTEXPR
|
|
__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;
|
|
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<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 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_CONSTEXPR __bitset() _NOEXCEPT;
|
|
explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long) _NOEXCEPT;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t) _NOEXCEPT
|
|
{return reference(0, 1);}
|
|
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR const_reference __make_ref(size_t) const _NOEXCEPT
|
|
{return const_reference(0, 1);}
|
|
_LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t) _NOEXCEPT
|
|
{return iterator(0, 0);}
|
|
_LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t) 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
|
|
_LIBCPP_CONSTEXPR
|
|
__bitset<0, 0>::__bitset() _NOEXCEPT
|
|
{
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_LIBCPP_CONSTEXPR
|
|
__bitset<0, 0>::__bitset(unsigned long long) _NOEXCEPT
|
|
{
|
|
}
|
|
|
|
template <size_t _Size> class _LIBCPP_TYPE_VIS_ONLY bitset;
|
|
template <size_t _Size> struct _LIBCPP_TYPE_VIS_ONLY hash<bitset<_Size> >;
|
|
|
|
template <size_t _Size>
|
|
class _LIBCPP_TYPE_VIS_ONLY 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_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bitset() _NOEXCEPT {}
|
|
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
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 _LIBCPP_CONSTEXPR
|
|
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;
|
|
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR 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 _Mp = _VSTD::min(__rlen, _Size);
|
|
size_t __i = 0;
|
|
for (; __i < _Mp; ++__i)
|
|
{
|
|
_CharT __c = __str[_Mp - 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 _Mp = _VSTD::min(__rlen, _Size);
|
|
size_t __i = 0;
|
|
for (; __i < _Mp; ++__i)
|
|
{
|
|
_CharT __c = __str[__pos + _Mp - 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_TYPE_VIS_ONLY 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
|