Coverage Report

Created: 2020-03-31 06:27

/Users/buildslave/jenkins/workspace/coverage/llvm-project/libcxx/include/bitset
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// -*- C++ -*-
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//===---------------------------- bitset ----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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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#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_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_PUSH_MACROS
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#include <__undef_macros>
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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_INLINE_VISIBILITY
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    _LIBCPP_CONSTEXPR __bitset() _NOEXCEPT;
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    _LIBCPP_INLINE_VISIBILITY
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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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    _LIBCPP_INLINE_VISIBILITY
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    void operator&=(const __bitset& __v) _NOEXCEPT;
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    _LIBCPP_INLINE_VISIBILITY
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    void operator|=(const __bitset& __v) _NOEXCEPT;
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    _LIBCPP_INLINE_VISIBILITY
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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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    _LIBCPP_INLINE_VISIBILITY
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    size_t __hash_code() const _NOEXCEPT;
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private:
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#ifdef _LIBCPP_CXX03_LANG
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    void __init(unsigned long long __v, false_type) _NOEXCEPT;
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    _LIBCPP_INLINE_VISIBILITY
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    void __init(unsigned long long __v, true_type) _NOEXCEPT;
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#endif  // _LIBCPP_CXX03_LANG
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    unsigned long to_ulong(false_type) const;
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    _LIBCPP_INLINE_VISIBILITY
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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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    _LIBCPP_INLINE_VISIBILITY
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    unsigned long long to_ullong(true_type) const;
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    _LIBCPP_INLINE_VISIBILITY
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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
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_LIBCPP_CONSTEXPR
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__bitset<_N_words, _Size>::__bitset() _NOEXCEPT
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#ifndef _LIBCPP_CXX03_LANG
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    : __first_{0}
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#endif
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{
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#ifdef _LIBCPP_CXX03_LANG
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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_CXX03_LANG
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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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    size_t __sz = _Size;
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    for (size_t __i = 0; __i < sizeof(__t)/sizeof(__t[0]); ++__i, __v >>= __bits_per_word, __sz -= __bits_per_word )
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        if ( __sz < __bits_per_word)
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            __t[__i] = static_cast<__storage_type>(__v) & ( 1ULL << __sz ) - 1;
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        else
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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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    if (_Size < __bits_per_word)
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        __first_[0] &= ( 1ULL << _Size ) - 1;
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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_CXX03_LANG
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template <size_t _N_words, size_t _Size>
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inline
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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_CXX03_LANG
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#if __SIZEOF_SIZE_T__ == 8
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    : __first_{__v}
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#elif __SIZEOF_SIZE_T__ == 4
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    : __first_{static_cast<__storage_type>(__v),
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                _Size >= 2 * __bits_per_word ? static_cast<__storage_type>(__v >> __bits_per_word)
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                : static_cast<__storage_type>((__v >> __bits_per_word) & (__storage_type(1) << (_Size - __bits_per_word)) - 1)}
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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_CXX03_LANG
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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
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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
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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
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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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        __throw_overflow_error("bitset to_ulong overflow error");
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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
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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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        __throw_overflow_error("bitset to_ullong overflow error");
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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
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unsigned long long
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__bitset<_N_words, _Size>::to_ullong(true_type) const
366
{
367
    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
372
unsigned long long
373
__bitset<_N_words, _Size>::to_ullong(true_type, false_type) const
374
{
375
    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
380
__bitset<_N_words, _Size>::to_ullong(true_type, true_type) const
381
{
382
    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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{
392
    // 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
399
    if (__n > 0)
400
    {
401
        __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
402
        if (~*__p & __m)
403
            return false;
404
    }
405
    return true;
406
}
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template <size_t _N_words, size_t _Size>
409
bool
410
__bitset<_N_words, _Size>::any() const _NOEXCEPT
411
{
412
    // do middle whole words
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    size_type __n = _Size;
414
    __const_storage_pointer __p = __first_;
415
    for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word)
416
        if (*__p)
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            return true;
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    // do last partial word
419
    if (__n > 0)
420
    {
421
        __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
422
        if (*__p & __m)
423
            return true;
424
    }
425
    return false;
426
}
427
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template <size_t _N_words, size_t _Size>
429
inline
430
size_t
431
__bitset<_N_words, _Size>::__hash_code() const _NOEXCEPT
432
{
433
    size_t __h = 0;
434
    for (size_type __i = 0; __i < _N_words; ++__i)
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        __h ^= __first_[__i];
436
    return __h;
437
}
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template <size_t _Size>
440
class __bitset<1, _Size>
441
{
442
public:
443
    typedef ptrdiff_t              difference_type;
444
    typedef size_t                 size_type;
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    typedef size_type              __storage_type;
446
protected:
447
    typedef __bitset __self;
448
    typedef       __storage_type*  __storage_pointer;
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    typedef const __storage_type*  __const_storage_pointer;
450
    static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT);
451
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    friend class __bit_reference<__bitset>;
453
    friend class __bit_const_reference<__bitset>;
454
    friend class __bit_iterator<__bitset, false>;
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    friend class __bit_iterator<__bitset, true>;
456
    friend struct __bit_array<__bitset>;
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    __storage_type __first_;
459
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    typedef __bit_reference<__bitset>                  reference;
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    typedef __bit_const_reference<__bitset>            const_reference;
462
    typedef __bit_iterator<__bitset, false>            iterator;
463
    typedef __bit_iterator<__bitset, true>             const_iterator;
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    _LIBCPP_INLINE_VISIBILITY
466
    _LIBCPP_CONSTEXPR __bitset() _NOEXCEPT;
467
    _LIBCPP_INLINE_VISIBILITY
468
    explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long __v) _NOEXCEPT;
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    _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t __pos) _NOEXCEPT
471
        {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);}
474
    _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t __pos) _NOEXCEPT
475
        {return iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word);}
476
    _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t __pos) const _NOEXCEPT
477
        {return const_iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word);}
478
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    _LIBCPP_INLINE_VISIBILITY
480
    void operator&=(const __bitset& __v) _NOEXCEPT;
481
    _LIBCPP_INLINE_VISIBILITY
482
    void operator|=(const __bitset& __v) _NOEXCEPT;
483
    _LIBCPP_INLINE_VISIBILITY
484
    void operator^=(const __bitset& __v) _NOEXCEPT;
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    _LIBCPP_INLINE_VISIBILITY
487
    void flip() _NOEXCEPT;
488
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    _LIBCPP_INLINE_VISIBILITY
490
    unsigned long to_ulong() const;
491
    _LIBCPP_INLINE_VISIBILITY
492
    unsigned long long to_ullong() const;
493
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    _LIBCPP_INLINE_VISIBILITY
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    bool all() const _NOEXCEPT;
496
    _LIBCPP_INLINE_VISIBILITY
497
    bool any() const _NOEXCEPT;
498
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    _LIBCPP_INLINE_VISIBILITY
500
    size_t __hash_code() const _NOEXCEPT;
501
};
502
503
template <size_t _Size>
504
inline
505
_LIBCPP_CONSTEXPR
506
__bitset<1, _Size>::__bitset() _NOEXCEPT
507
    : __first_(0)
508
{
509
}
510
511
template <size_t _Size>
512
inline
513
_LIBCPP_CONSTEXPR
514
__bitset<1, _Size>::__bitset(unsigned long long __v) _NOEXCEPT
515
    : __first_(
516
        _Size == __bits_per_word ? static_cast<__storage_type>(__v)
517
                                 : static_cast<__storage_type>(__v) & ((__storage_type(1) << _Size) - 1)
518
    )
519
{
520
}
521
522
template <size_t _Size>
523
inline
524
void
525
__bitset<1, _Size>::operator&=(const __bitset& __v) _NOEXCEPT
526
{
527
    __first_ &= __v.__first_;
528
}
529
530
template <size_t _Size>
531
inline
532
void
533
__bitset<1, _Size>::operator|=(const __bitset& __v) _NOEXCEPT
534
{
535
    __first_ |= __v.__first_;
536
}
537
538
template <size_t _Size>
539
inline
540
void
541
__bitset<1, _Size>::operator^=(const __bitset& __v) _NOEXCEPT
542
{
543
    __first_ ^= __v.__first_;
544
}
545
546
template <size_t _Size>
547
inline
548
void
549
__bitset<1, _Size>::flip() _NOEXCEPT
550
{
551
    __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size);
552
    __first_ = ~__first_;
553
    __first_ &= __m;
554
}
555
556
template <size_t _Size>
557
inline
558
unsigned long
559
__bitset<1, _Size>::to_ulong() const
560
{
561
    return __first_;
562
}
563
564
template <size_t _Size>
565
inline
566
unsigned long long
567
__bitset<1, _Size>::to_ullong() const
568
{
569
    return __first_;
570
}
571
572
template <size_t _Size>
573
inline
574
bool
575
__bitset<1, _Size>::all() const _NOEXCEPT
576
{
577
    __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size);
578
    return !(~__first_ & __m);
579
}
580
581
template <size_t _Size>
582
inline
583
bool
584
__bitset<1, _Size>::any() const _NOEXCEPT
585
{
586
    __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size);
587
    return __first_ & __m;
588
}
589
590
template <size_t _Size>
591
inline
592
size_t
593
__bitset<1, _Size>::__hash_code() const _NOEXCEPT
594
{
595
    return __first_;
596
}
597
598
template <>
599
class __bitset<0, 0>
600
{
601
public:
602
    typedef ptrdiff_t              difference_type;
603
    typedef size_t                 size_type;
604
    typedef size_type              __storage_type;
605
protected:
606
    typedef __bitset __self;
607
    typedef       __storage_type*  __storage_pointer;
608
    typedef const __storage_type*  __const_storage_pointer;
609
    static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT);
610
611
    friend class __bit_reference<__bitset>;
612
    friend class __bit_const_reference<__bitset>;
613
    friend class __bit_iterator<__bitset, false>;
614
    friend class __bit_iterator<__bitset, true>;
615
    friend struct __bit_array<__bitset>;
616
617
    typedef __bit_reference<__bitset>                  reference;
618
    typedef __bit_const_reference<__bitset>            const_reference;
619
    typedef __bit_iterator<__bitset, false>            iterator;
620
    typedef __bit_iterator<__bitset, true>             const_iterator;
621
622
    _LIBCPP_INLINE_VISIBILITY
623
    _LIBCPP_CONSTEXPR __bitset() _NOEXCEPT;
624
    _LIBCPP_INLINE_VISIBILITY
625
    explicit _LIBCPP_CONSTEXPR __bitset(unsigned long long) _NOEXCEPT;
626
627
    _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t) _NOEXCEPT
628
0
        {return reference(0, 1);}
629
    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR const_reference __make_ref(size_t) const _NOEXCEPT
630
0
        {return const_reference(0, 1);}
631
    _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t) _NOEXCEPT
632
0
        {return iterator(0, 0);}
633
    _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t) const _NOEXCEPT
634
0
        {return const_iterator(0, 0);}
635
636
0
    _LIBCPP_INLINE_VISIBILITY void operator&=(const __bitset&) _NOEXCEPT {}
637
0
    _LIBCPP_INLINE_VISIBILITY void operator|=(const __bitset&) _NOEXCEPT {}
638
0
    _LIBCPP_INLINE_VISIBILITY void operator^=(const __bitset&) _NOEXCEPT {}
639
640
0
    _LIBCPP_INLINE_VISIBILITY void flip() _NOEXCEPT {}
641
642
0
    _LIBCPP_INLINE_VISIBILITY unsigned long to_ulong() const {return 0;}
643
0
    _LIBCPP_INLINE_VISIBILITY unsigned long long to_ullong() const {return 0;}
644
645
0
    _LIBCPP_INLINE_VISIBILITY bool all() const _NOEXCEPT {return true;}
646
0
    _LIBCPP_INLINE_VISIBILITY bool any() const _NOEXCEPT {return false;}
647
648
0
    _LIBCPP_INLINE_VISIBILITY size_t __hash_code() const _NOEXCEPT {return 0;}
649
};
650
651
inline
652
_LIBCPP_CONSTEXPR
653
__bitset<0, 0>::__bitset() _NOEXCEPT
654
{
655
}
656
657
inline
658
_LIBCPP_CONSTEXPR
659
__bitset<0, 0>::__bitset(unsigned long long) _NOEXCEPT
660
{
661
}
662
663
template <size_t _Size> class _LIBCPP_TEMPLATE_VIS bitset;
664
template <size_t _Size> struct hash<bitset<_Size> >;
665
666
template <size_t _Size>
667
class _LIBCPP_TEMPLATE_VIS bitset
668
    : private __bitset<_Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1, _Size>
669
{
670
public:
671
    static const unsigned __n_words = _Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1;
672
    typedef __bitset<__n_words, _Size> base;
673
674
public:
675
    typedef typename base::reference       reference;
676
    typedef typename base::const_reference const_reference;
677
678
    // 23.3.5.1 constructors:
679
    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bitset() _NOEXCEPT {}
680
    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
681
        bitset(unsigned long long __v) _NOEXCEPT : base(__v) {}
682
    template<class _CharT, class = _EnableIf<_IsCharLikeType<_CharT>::value> >
683
        explicit bitset(const _CharT* __str,
684
                        typename basic_string<_CharT>::size_type __n = basic_string<_CharT>::npos,
685
                        _CharT __zero = _CharT('0'), _CharT __one = _CharT('1'));
686
    template<class _CharT, class _Traits, class _Allocator>
687
        explicit bitset(const basic_string<_CharT,_Traits,_Allocator>& __str,
688
                        typename basic_string<_CharT,_Traits,_Allocator>::size_type __pos = 0,
689
                        typename basic_string<_CharT,_Traits,_Allocator>::size_type __n =
690
                                (basic_string<_CharT,_Traits,_Allocator>::npos),
691
                        _CharT __zero = _CharT('0'), _CharT __one = _CharT('1'));
692
693
    // 23.3.5.2 bitset operations:
694
    _LIBCPP_INLINE_VISIBILITY
695
    bitset& operator&=(const bitset& __rhs) _NOEXCEPT;
696
    _LIBCPP_INLINE_VISIBILITY
697
    bitset& operator|=(const bitset& __rhs) _NOEXCEPT;
698
    _LIBCPP_INLINE_VISIBILITY
699
    bitset& operator^=(const bitset& __rhs) _NOEXCEPT;
700
    bitset& operator<<=(size_t __pos) _NOEXCEPT;
701
    bitset& operator>>=(size_t __pos) _NOEXCEPT;
702
    _LIBCPP_INLINE_VISIBILITY
703
    bitset& set() _NOEXCEPT;
704
    bitset& set(size_t __pos, bool __val = true);
705
    _LIBCPP_INLINE_VISIBILITY
706
    bitset& reset() _NOEXCEPT;
707
    bitset& reset(size_t __pos);
708
    _LIBCPP_INLINE_VISIBILITY
709
    bitset  operator~() const _NOEXCEPT;
710
    _LIBCPP_INLINE_VISIBILITY
711
    bitset& flip() _NOEXCEPT;
712
    bitset& flip(size_t __pos);
713
714
    // element access:
715
    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
716
                              const_reference operator[](size_t __p) const {return base::__make_ref(__p);}
717
    _LIBCPP_INLINE_VISIBILITY       reference operator[](size_t __p)       {return base::__make_ref(__p);}
718
    _LIBCPP_INLINE_VISIBILITY
719
    unsigned long to_ulong() const;
720
    _LIBCPP_INLINE_VISIBILITY
721
    unsigned long long to_ullong() const;
722
    template <class _CharT, class _Traits, class _Allocator>
723
        basic_string<_CharT, _Traits, _Allocator> to_string(_CharT __zero = _CharT('0'),
724
                                                            _CharT __one = _CharT('1')) const;
725
    template <class _CharT, class _Traits>
726
        _LIBCPP_INLINE_VISIBILITY
727
        basic_string<_CharT, _Traits, allocator<_CharT> > to_string(_CharT __zero = _CharT('0'),
728
                                                                    _CharT __one = _CharT('1')) const;
729
    template <class _CharT>
730
        _LIBCPP_INLINE_VISIBILITY
731
        basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > to_string(_CharT __zero = _CharT('0'),
732
                                                                                _CharT __one = _CharT('1')) const;
733
    _LIBCPP_INLINE_VISIBILITY
734
    basic_string<char, char_traits<char>, allocator<char> > to_string(char __zero = '0',
735
                                                                      char __one = '1') const;
736
    _LIBCPP_INLINE_VISIBILITY
737
    size_t count() const _NOEXCEPT;
738
    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR size_t size() const _NOEXCEPT {return _Size;}
739
    _LIBCPP_INLINE_VISIBILITY
740
    bool operator==(const bitset& __rhs) const _NOEXCEPT;
741
    _LIBCPP_INLINE_VISIBILITY
742
    bool operator!=(const bitset& __rhs) const _NOEXCEPT;
743
    bool test(size_t __pos) const;
744
    _LIBCPP_INLINE_VISIBILITY
745
    bool all() const _NOEXCEPT;
746
    _LIBCPP_INLINE_VISIBILITY
747
    bool any() const _NOEXCEPT;
748
    _LIBCPP_INLINE_VISIBILITY bool none() const _NOEXCEPT {return !any();}
749
    _LIBCPP_INLINE_VISIBILITY
750
    bitset operator<<(size_t __pos) const _NOEXCEPT;
751
    _LIBCPP_INLINE_VISIBILITY
752
    bitset operator>>(size_t __pos) const _NOEXCEPT;
753
754
private:
755
756
    _LIBCPP_INLINE_VISIBILITY
757
    size_t __hash_code() const _NOEXCEPT {return base::__hash_code();}
758
759
    friend struct hash<bitset>;
760
};
761
762
template <size_t _Size>
763
template<class _CharT, class>
764
bitset<_Size>::bitset(const _CharT* __str,
765
                      typename basic_string<_CharT>::size_type __n,
766
                      _CharT __zero, _CharT __one)
767
{
768
    size_t __rlen = _VSTD::min(__n, char_traits<_CharT>::length(__str));
769
    for (size_t __i = 0; __i < __rlen; ++__i)
770
        if (__str[__i] != __zero && __str[__i] != __one)
771
            __throw_invalid_argument("bitset string ctor has invalid argument");
772
773
    size_t _Mp = _VSTD::min(__rlen, _Size);
774
    size_t __i = 0;
775
    for (; __i < _Mp; ++__i)
776
    {
777
        _CharT __c = __str[_Mp - 1 - __i];
778
        if (__c == __zero)
779
            (*this)[__i] = false;
780
        else
781
            (*this)[__i] = true;
782
    }
783
    _VSTD::fill(base::__make_iter(__i), base::__make_iter(_Size), false);
784
}
785
786
template <size_t _Size>
787
template<class _CharT, class _Traits, class _Allocator>
788
bitset<_Size>::bitset(const basic_string<_CharT,_Traits,_Allocator>& __str,
789
       typename basic_string<_CharT,_Traits,_Allocator>::size_type __pos,
790
       typename basic_string<_CharT,_Traits,_Allocator>::size_type __n,
791
       _CharT __zero, _CharT __one)
792
{
793
    if (__pos > __str.size())
794
        __throw_out_of_range("bitset string pos out of range");
795
796
    size_t __rlen = _VSTD::min(__n, __str.size() - __pos);
797
    for (size_t __i = __pos; __i < __pos + __rlen; ++__i)
798
        if (!_Traits::eq(__str[__i], __zero) && !_Traits::eq(__str[__i], __one))
799
            __throw_invalid_argument("bitset string ctor has invalid argument");
800
801
    size_t _Mp = _VSTD::min(__rlen, _Size);
802
    size_t __i = 0;
803
    for (; __i < _Mp; ++__i)
804
    {
805
        _CharT __c = __str[__pos + _Mp - 1 - __i];
806
        if (_Traits::eq(__c, __zero))
807
            (*this)[__i] = false;
808
        else
809
            (*this)[__i] = true;
810
    }
811
    _VSTD::fill(base::__make_iter(__i), base::__make_iter(_Size), false);
812
}
813
814
template <size_t _Size>
815
inline
816
bitset<_Size>&
817
bitset<_Size>::operator&=(const bitset& __rhs) _NOEXCEPT
818
{
819
    base::operator&=(__rhs);
820
    return *this;
821
}
822
823
template <size_t _Size>
824
inline
825
bitset<_Size>&
826
bitset<_Size>::operator|=(const bitset& __rhs) _NOEXCEPT
827
{
828
    base::operator|=(__rhs);
829
    return *this;
830
}
831
832
template <size_t _Size>
833
inline
834
bitset<_Size>&
835
bitset<_Size>::operator^=(const bitset& __rhs) _NOEXCEPT
836
{
837
    base::operator^=(__rhs);
838
    return *this;
839
}
840
841
template <size_t _Size>
842
bitset<_Size>&
843
bitset<_Size>::operator<<=(size_t __pos) _NOEXCEPT
844
{
845
    __pos = _VSTD::min(__pos, _Size);
846
    _VSTD::copy_backward(base::__make_iter(0), base::__make_iter(_Size - __pos), base::__make_iter(_Size));
847
    _VSTD::fill_n(base::__make_iter(0), __pos, false);
848
    return *this;
849
}
850
851
template <size_t _Size>
852
bitset<_Size>&
853
bitset<_Size>::operator>>=(size_t __pos) _NOEXCEPT
854
{
855
    __pos = _VSTD::min(__pos, _Size);
856
    _VSTD::copy(base::__make_iter(__pos), base::__make_iter(_Size), base::__make_iter(0));
857
    _VSTD::fill_n(base::__make_iter(_Size - __pos), __pos, false);
858
    return *this;
859
}
860
861
template <size_t _Size>
862
inline
863
bitset<_Size>&
864
bitset<_Size>::set() _NOEXCEPT
865
{
866
    _VSTD::fill_n(base::__make_iter(0), _Size, true);
867
    return *this;
868
}
869
870
template <size_t _Size>
871
bitset<_Size>&
872
bitset<_Size>::set(size_t __pos, bool __val)
873
{
874
    if (__pos >= _Size)
875
        __throw_out_of_range("bitset set argument out of range");
876
877
    (*this)[__pos] = __val;
878
    return *this;
879
}
880
881
template <size_t _Size>
882
inline
883
bitset<_Size>&
884
bitset<_Size>::reset() _NOEXCEPT
885
{
886
    _VSTD::fill_n(base::__make_iter(0), _Size, false);
887
    return *this;
888
}
889
890
template <size_t _Size>
891
bitset<_Size>&
892
bitset<_Size>::reset(size_t __pos)
893
{
894
    if (__pos >= _Size)
895
        __throw_out_of_range("bitset reset argument out of range");
896
897
    (*this)[__pos] = false;
898
    return *this;
899
}
900
901
template <size_t _Size>
902
inline
903
bitset<_Size>
904
bitset<_Size>::operator~() const _NOEXCEPT
905
{
906
    bitset __x(*this);
907
    __x.flip();
908
    return __x;
909
}
910
911
template <size_t _Size>
912
inline
913
bitset<_Size>&
914
bitset<_Size>::flip() _NOEXCEPT
915
{
916
    base::flip();
917
    return *this;
918
}
919
920
template <size_t _Size>
921
bitset<_Size>&
922
bitset<_Size>::flip(size_t __pos)
923
{
924
    if (__pos >= _Size)
925
        __throw_out_of_range("bitset flip argument out of range");
926
927
    reference r = base::__make_ref(__pos);
928
    r = ~r;
929
    return *this;
930
}
931
932
template <size_t _Size>
933
inline
934
unsigned long
935
bitset<_Size>::to_ulong() const
936
{
937
    return base::to_ulong();
938
}
939
940
template <size_t _Size>
941
inline
942
unsigned long long
943
bitset<_Size>::to_ullong() const
944
{
945
    return base::to_ullong();
946
}
947
948
template <size_t _Size>
949
template <class _CharT, class _Traits, class _Allocator>
950
basic_string<_CharT, _Traits, _Allocator>
951
bitset<_Size>::to_string(_CharT __zero, _CharT __one) const
952
{
953
    basic_string<_CharT, _Traits, _Allocator> __r(_Size, __zero);
954
    for (size_t __i = 0; __i < _Size; ++__i)
955
    {
956
        if ((*this)[__i])
957
            __r[_Size - 1 - __i] = __one;
958
    }
959
    return __r;
960
}
961
962
template <size_t _Size>
963
template <class _CharT, class _Traits>
964
inline
965
basic_string<_CharT, _Traits, allocator<_CharT> >
966
bitset<_Size>::to_string(_CharT __zero, _CharT __one) const
967
{
968
    return to_string<_CharT, _Traits, allocator<_CharT> >(__zero, __one);
969
}
970
971
template <size_t _Size>
972
template <class _CharT>
973
inline
974
basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> >
975
bitset<_Size>::to_string(_CharT __zero, _CharT __one) const
976
{
977
    return to_string<_CharT, char_traits<_CharT>, allocator<_CharT> >(__zero, __one);
978
}
979
980
template <size_t _Size>
981
inline
982
basic_string<char, char_traits<char>, allocator<char> >
983
bitset<_Size>::to_string(char __zero, char __one) const
984
{
985
    return to_string<char, char_traits<char>, allocator<char> >(__zero, __one);
986
}
987
988
template <size_t _Size>
989
inline
990
size_t
991
bitset<_Size>::count() const _NOEXCEPT
992
{
993
    return static_cast<size_t>(__count_bool_true(base::__make_iter(0), _Size));
994
}
995
996
template <size_t _Size>
997
inline
998
bool
999
bitset<_Size>::operator==(const bitset& __rhs) const _NOEXCEPT
1000
{
1001
    return _VSTD::equal(base::__make_iter(0), base::__make_iter(_Size), __rhs.__make_iter(0));
1002
}
1003
1004
template <size_t _Size>
1005
inline
1006
bool
1007
bitset<_Size>::operator!=(const bitset& __rhs) const _NOEXCEPT
1008
{
1009
    return !(*this == __rhs);
1010
}
1011
1012
template <size_t _Size>
1013
bool
1014
bitset<_Size>::test(size_t __pos) const
1015
{
1016
    if (__pos >= _Size)
1017
        __throw_out_of_range("bitset test argument out of range");
1018
1019
    return (*this)[__pos];
1020
}
1021
1022
template <size_t _Size>
1023
inline
1024
bool
1025
bitset<_Size>::all() const _NOEXCEPT
1026
{
1027
    return base::all();
1028
}
1029
1030
template <size_t _Size>
1031
inline
1032
bool
1033
bitset<_Size>::any() const _NOEXCEPT
1034
{
1035
    return base::any();
1036
}
1037
1038
template <size_t _Size>
1039
inline
1040
bitset<_Size>
1041
bitset<_Size>::operator<<(size_t __pos) const _NOEXCEPT
1042
{
1043
    bitset __r = *this;
1044
    __r <<= __pos;
1045
    return __r;
1046
}
1047
1048
template <size_t _Size>
1049
inline
1050
bitset<_Size>
1051
bitset<_Size>::operator>>(size_t __pos) const _NOEXCEPT
1052
{
1053
    bitset __r = *this;
1054
    __r >>= __pos;
1055
    return __r;
1056
}
1057
1058
template <size_t _Size>
1059
inline _LIBCPP_INLINE_VISIBILITY
1060
bitset<_Size>
1061
operator&(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT
1062
{
1063
    bitset<_Size> __r = __x;
1064
    __r &= __y;
1065
    return __r;
1066
}
1067
1068
template <size_t _Size>
1069
inline _LIBCPP_INLINE_VISIBILITY
1070
bitset<_Size>
1071
operator|(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT
1072
{
1073
    bitset<_Size> __r = __x;
1074
    __r |= __y;
1075
    return __r;
1076
}
1077
1078
template <size_t _Size>
1079
inline _LIBCPP_INLINE_VISIBILITY
1080
bitset<_Size>
1081
operator^(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT
1082
{
1083
    bitset<_Size> __r = __x;
1084
    __r ^= __y;
1085
    return __r;
1086
}
1087
1088
template <size_t _Size>
1089
struct _LIBCPP_TEMPLATE_VIS hash<bitset<_Size> >
1090
    : public unary_function<bitset<_Size>, size_t>
1091
{
1092
    _LIBCPP_INLINE_VISIBILITY
1093
    size_t operator()(const bitset<_Size>& __bs) const _NOEXCEPT
1094
        {return __bs.__hash_code();}
1095
};
1096
1097
template <class _CharT, class _Traits, size_t _Size>
1098
basic_istream<_CharT, _Traits>&
1099
operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x);
1100
1101
template <class _CharT, class _Traits, size_t _Size>
1102
basic_ostream<_CharT, _Traits>&
1103
operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x);
1104
1105
_LIBCPP_END_NAMESPACE_STD
1106
1107
_LIBCPP_POP_MACROS
1108
1109
#endif  // _LIBCPP_BITSET