| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___CXX03_BITSET |
| #define _LIBCPP___CXX03_BITSET |
| |
| // clang-format off |
| |
| /* |
| bitset synopsis |
| |
| namespace std |
| { |
| |
| namespace std { |
| |
| template <size_t N> |
| class bitset |
| { |
| public: |
| // bit reference: |
| class reference |
| { |
| friend class bitset; |
| reference() noexcept; |
| public: |
| ~reference() noexcept; |
| reference& operator=(bool x) noexcept; // for b[i] = x; |
| reference& operator=(const reference&) noexcept; // for b[i] = b[j]; |
| bool operator~() const noexcept; // flips the bit |
| operator bool() const noexcept; // for x = b[i]; |
| reference& flip() noexcept; // for b[i].flip(); |
| }; |
| |
| // 23.3.5.1 constructors: |
| constexpr bitset() noexcept; |
| constexpr bitset(unsigned long long val) noexcept; |
| template <class charT> |
| constexpr explicit bitset(const charT* str, |
| typename basic_string<charT>::size_type n = basic_string<charT>::npos, |
| charT zero = charT('0'), charT one = charT('1')); // until C++26, constexpr since C++23 |
| template <class charT> |
| constexpr explicit bitset(const charT* str, |
| typename basic_string_view<charT>::size_type n = basic_string_view<charT>::npos, |
| charT zero = charT('0'), charT one = charT('1')); // since C++26 |
| template<class charT, class traits> |
| explicit bitset( |
| const basic_string_view<charT,traits>& str, |
| typename basic_string_view<charT,traits>::size_type pos = 0, |
| typename basic_string_view<charT,traits>::size_type n = basic_string_view<charT,traits>::npos, |
| charT zero = charT('0'), charT one = charT('1')); // since C++26 |
| template<class charT, class traits, class Allocator> |
| constexpr 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')); // constexpr since C++23 |
| |
| // 23.3.5.2 bitset operations: |
| bitset& operator&=(const bitset& rhs) noexcept; // constexpr since C++23 |
| bitset& operator|=(const bitset& rhs) noexcept; // constexpr since C++23 |
| bitset& operator^=(const bitset& rhs) noexcept; // constexpr since C++23 |
| bitset& operator<<=(size_t pos) noexcept; // constexpr since C++23 |
| bitset& operator>>=(size_t pos) noexcept; // constexpr since C++23 |
| bitset& set() noexcept; // constexpr since C++23 |
| bitset& set(size_t pos, bool val = true); // constexpr since C++23 |
| bitset& reset() noexcept; // constexpr since C++23 |
| bitset& reset(size_t pos); // constexpr since C++23 |
| bitset operator~() const noexcept; // constexpr since C++23 |
| bitset& flip() noexcept; // constexpr since C++23 |
| bitset& flip(size_t pos); // constexpr since C++23 |
| |
| // element access: |
| constexpr bool operator[](size_t pos) const; |
| reference operator[](size_t pos); // constexpr since C++23 |
| unsigned long to_ulong() const; // constexpr since C++23 |
| unsigned long long to_ullong() const; // constexpr since C++23 |
| template <class charT, class traits, class Allocator> // constexpr since C++23 |
| basic_string<charT, traits, Allocator> to_string(charT zero = charT('0'), charT one = charT('1')) const; |
| template <class charT, class traits> // constexpr since C++23 |
| basic_string<charT, traits, allocator<charT> > to_string(charT zero = charT('0'), charT one = charT('1')) const; |
| template <class charT> // constexpr since C++23 |
| 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; // constexpr since C++23 |
| size_t count() const noexcept; // constexpr since C++23 |
| constexpr size_t size() const noexcept; // constexpr since C++23 |
| bool operator==(const bitset& rhs) const noexcept; // constexpr since C++23 |
| bool operator!=(const bitset& rhs) const noexcept; // removed in C++20 |
| bool test(size_t pos) const; // constexpr since C++23 |
| bool all() const noexcept; // constexpr since C++23 |
| bool any() const noexcept; // constexpr since C++23 |
| bool none() const noexcept; // constexpr since C++23 |
| bitset<N> operator<<(size_t pos) const noexcept; // constexpr since C++23 |
| bitset<N> operator>>(size_t pos) const noexcept; // constexpr since C++23 |
| }; |
| |
| // 23.3.5.3 bitset operators: |
| template <size_t N> |
| bitset<N> operator&(const bitset<N>&, const bitset<N>&) noexcept; // constexpr since C++23 |
| |
| template <size_t N> |
| bitset<N> operator|(const bitset<N>&, const bitset<N>&) noexcept; // constexpr since C++23 |
| |
| template <size_t N> |
| bitset<N> operator^(const bitset<N>&, const bitset<N>&) noexcept; // constexpr since C++23 |
| |
| template <class charT, class traits, size_t N> |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, bitset<N>& x); |
| |
| template <class charT, class traits, size_t N> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const bitset<N>& x); |
| |
| template <size_t N> struct hash<std::bitset<N>>; |
| |
| } // std |
| |
| */ |
| |
| // clang-format on |
| |
| #include <__cxx03/__algorithm/count.h> |
| #include <__cxx03/__algorithm/fill.h> |
| #include <__cxx03/__algorithm/find.h> |
| #include <__cxx03/__bit_reference> |
| #include <__cxx03/__config> |
| #include <__cxx03/__functional/hash.h> |
| #include <__cxx03/__functional/unary_function.h> |
| #include <__cxx03/__type_traits/is_char_like_type.h> |
| #include <__cxx03/climits> |
| #include <__cxx03/cstddef> |
| #include <__cxx03/stdexcept> |
| #include <__cxx03/string_view> |
| #include <__cxx03/version> |
| |
| // standard-mandated includes |
| |
| // [bitset.syn] |
| #include <__cxx03/iosfwd> |
| #include <__cxx03/string> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_PUSH_MACROS |
| #include <__cxx03/__undef_macros> |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <size_t _N_words, size_t _Size> |
| class __bitset; |
| |
| template <size_t _N_words, size_t _Size> |
| struct __has_storage_type<__bitset<_N_words, _Size> > { |
| static const bool value = true; |
| }; |
| |
| template <size_t _N_words, size_t _Size> |
| class __bitset { |
| public: |
| typedef ptrdiff_t difference_type; |
| typedef size_t size_type; |
| typedef size_type __storage_type; |
| |
| protected: |
| typedef __bitset __self; |
| typedef __storage_type* __storage_pointer; |
| typedef const __storage_type* __const_storage_pointer; |
| static const unsigned __bits_per_word = static_cast<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>; |
| |
| __storage_type __first_[_N_words]; |
| |
| typedef __bit_reference<__bitset> reference; |
| typedef __bit_const_reference<__bitset> const_reference; |
| typedef __bit_iterator<__bitset, false> iterator; |
| typedef __bit_iterator<__bitset, true> const_iterator; |
| |
| _LIBCPP_HIDE_FROM_ABI __bitset() _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI explicit __bitset(unsigned long long __v) _NOEXCEPT; |
| |
| _LIBCPP_HIDE_FROM_ABI reference __make_ref(size_t __pos) _NOEXCEPT { |
| return reference(__first_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word); |
| } |
| _LIBCPP_HIDE_FROM_ABI const_reference __make_ref(size_t __pos) const _NOEXCEPT { |
| return const_reference(__first_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word); |
| } |
| _LIBCPP_HIDE_FROM_ABI iterator __make_iter(size_t __pos) _NOEXCEPT { |
| return iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word); |
| } |
| _LIBCPP_HIDE_FROM_ABI const_iterator __make_iter(size_t __pos) const _NOEXCEPT { |
| return const_iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI void operator&=(const __bitset& __v) _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI void operator|=(const __bitset& __v) _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI void operator^=(const __bitset& __v) _NOEXCEPT; |
| |
| _LIBCPP_HIDE_FROM_ABI void flip() _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI unsigned long to_ulong() const { |
| return to_ulong(integral_constant < bool, _Size< sizeof(unsigned long) * CHAR_BIT>()); |
| } |
| _LIBCPP_HIDE_FROM_ABI unsigned long long to_ullong() const { |
| return to_ullong(integral_constant < bool, _Size< sizeof(unsigned long long) * CHAR_BIT>()); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI bool all() const _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bool any() const _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT; |
| |
| private: |
| void __init(unsigned long long __v, false_type) _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI void __init(unsigned long long __v, true_type) _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI unsigned long to_ulong(false_type) const; |
| _LIBCPP_HIDE_FROM_ABI unsigned long to_ulong(true_type) const; |
| _LIBCPP_HIDE_FROM_ABI unsigned long long to_ullong(false_type) const; |
| _LIBCPP_HIDE_FROM_ABI unsigned long long to_ullong(true_type) const; |
| _LIBCPP_HIDE_FROM_ABI unsigned long long to_ullong(true_type, false_type) const; |
| _LIBCPP_HIDE_FROM_ABI unsigned long long to_ullong(true_type, true_type) const; |
| }; |
| |
| template <size_t _N_words, size_t _Size> |
| inline __bitset<_N_words, _Size>::__bitset() _NOEXCEPT { |
| std::fill_n(__first_, _N_words, __storage_type(0)); |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| void __bitset<_N_words, _Size>::__init(unsigned long long __v, false_type) _NOEXCEPT { |
| __storage_type __t[sizeof(unsigned long long) / sizeof(__storage_type)]; |
| size_t __sz = _Size; |
| for (size_t __i = 0; __i < sizeof(__t) / sizeof(__t[0]); ++__i, __v >>= __bits_per_word, __sz -= __bits_per_word) |
| if (__sz < __bits_per_word) |
| __t[__i] = static_cast<__storage_type>(__v) & (1ULL << __sz) - 1; |
| else |
| __t[__i] = static_cast<__storage_type>(__v); |
| |
| std::copy(__t, __t + sizeof(__t) / sizeof(__t[0]), __first_); |
| std::fill( |
| __first_ + sizeof(__t) / sizeof(__t[0]), __first_ + sizeof(__first_) / sizeof(__first_[0]), __storage_type(0)); |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI void __bitset<_N_words, _Size>::__init(unsigned long long __v, true_type) _NOEXCEPT { |
| __first_[0] = __v; |
| if (_Size < __bits_per_word) |
| __first_[0] &= (1ULL << _Size) - 1; |
| |
| std::fill(__first_ + 1, __first_ + sizeof(__first_) / sizeof(__first_[0]), __storage_type(0)); |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| inline __bitset<_N_words, _Size>::__bitset(unsigned long long __v) _NOEXCEPT { |
| __init(__v, integral_constant<bool, sizeof(unsigned long long) == sizeof(__storage_type)>()); |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI void __bitset<_N_words, _Size>::operator&=(const __bitset& __v) _NOEXCEPT { |
| for (size_type __i = 0; __i < _N_words; ++__i) |
| __first_[__i] &= __v.__first_[__i]; |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI void __bitset<_N_words, _Size>::operator|=(const __bitset& __v) _NOEXCEPT { |
| for (size_type __i = 0; __i < _N_words; ++__i) |
| __first_[__i] |= __v.__first_[__i]; |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI void __bitset<_N_words, _Size>::operator^=(const __bitset& __v) _NOEXCEPT { |
| for (size_type __i = 0; __i < _N_words; ++__i) |
| __first_[__i] ^= __v.__first_[__i]; |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI void __bitset<_N_words, _Size>::flip() _NOEXCEPT { |
| // do middle whole words |
| size_type __n = _Size; |
| __storage_pointer __p = __first_; |
| for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) |
| *__p = ~*__p; |
| // do last partial word |
| if (__n > 0) { |
| __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); |
| __storage_type __b = *__p & __m; |
| *__p &= ~__m; |
| *__p |= ~__b & __m; |
| } |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI unsigned long __bitset<_N_words, _Size>::to_ulong(false_type) const { |
| const_iterator __e = __make_iter(_Size); |
| const_iterator __i = std::find(__make_iter(sizeof(unsigned long) * CHAR_BIT), __e, true); |
| if (__i != __e) |
| __throw_overflow_error("bitset to_ulong overflow error"); |
| |
| return __first_[0]; |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI unsigned long __bitset<_N_words, _Size>::to_ulong(true_type) const { |
| return __first_[0]; |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI unsigned long long __bitset<_N_words, _Size>::to_ullong(false_type) const { |
| const_iterator __e = __make_iter(_Size); |
| const_iterator __i = std::find(__make_iter(sizeof(unsigned long long) * CHAR_BIT), __e, true); |
| if (__i != __e) |
| __throw_overflow_error("bitset to_ullong overflow error"); |
| |
| return to_ullong(true_type()); |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI unsigned long long __bitset<_N_words, _Size>::to_ullong(true_type) const { |
| return to_ullong(true_type(), integral_constant<bool, sizeof(__storage_type) < sizeof(unsigned long long)>()); |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI unsigned long long __bitset<_N_words, _Size>::to_ullong(true_type, false_type) const { |
| return __first_[0]; |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI unsigned long long __bitset<_N_words, _Size>::to_ullong(true_type, true_type) const { |
| unsigned long long __r = __first_[0]; |
| _LIBCPP_DIAGNOSTIC_PUSH |
| _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wshift-count-overflow") |
| for (size_t __i = 1; __i < sizeof(unsigned long long) / sizeof(__storage_type); ++__i) |
| __r |= static_cast<unsigned long long>(__first_[__i]) << (sizeof(__storage_type) * CHAR_BIT); |
| _LIBCPP_DIAGNOSTIC_POP |
| return __r; |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI bool __bitset<_N_words, _Size>::all() const _NOEXCEPT { |
| // do middle whole words |
| size_type __n = _Size; |
| __const_storage_pointer __p = __first_; |
| for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) |
| if (~*__p) |
| return false; |
| // do last partial word |
| if (__n > 0) { |
| __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); |
| if (~*__p & __m) |
| return false; |
| } |
| return true; |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI bool __bitset<_N_words, _Size>::any() const _NOEXCEPT { |
| // do middle whole words |
| size_type __n = _Size; |
| __const_storage_pointer __p = __first_; |
| for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) |
| if (*__p) |
| return true; |
| // do last partial word |
| if (__n > 0) { |
| __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); |
| if (*__p & __m) |
| return true; |
| } |
| return false; |
| } |
| |
| template <size_t _N_words, size_t _Size> |
| inline size_t __bitset<_N_words, _Size>::__hash_code() const _NOEXCEPT { |
| size_t __h = 0; |
| for (size_type __i = 0; __i < _N_words; ++__i) |
| __h ^= __first_[__i]; |
| return __h; |
| } |
| |
| template <size_t _Size> |
| class __bitset<1, _Size> { |
| public: |
| typedef ptrdiff_t difference_type; |
| typedef size_t size_type; |
| typedef size_type __storage_type; |
| |
| protected: |
| typedef __bitset __self; |
| typedef __storage_type* __storage_pointer; |
| typedef const __storage_type* __const_storage_pointer; |
| static const unsigned __bits_per_word = static_cast<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>; |
| |
| __storage_type __first_; |
| |
| typedef __bit_reference<__bitset> reference; |
| typedef __bit_const_reference<__bitset> const_reference; |
| typedef __bit_iterator<__bitset, false> iterator; |
| typedef __bit_iterator<__bitset, true> const_iterator; |
| |
| _LIBCPP_HIDE_FROM_ABI __bitset() _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI explicit __bitset(unsigned long long __v) _NOEXCEPT; |
| |
| _LIBCPP_HIDE_FROM_ABI reference __make_ref(size_t __pos) _NOEXCEPT { |
| return reference(&__first_, __storage_type(1) << __pos); |
| } |
| _LIBCPP_HIDE_FROM_ABI const_reference __make_ref(size_t __pos) const _NOEXCEPT { |
| return const_reference(&__first_, __storage_type(1) << __pos); |
| } |
| _LIBCPP_HIDE_FROM_ABI iterator __make_iter(size_t __pos) _NOEXCEPT { |
| return iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word); |
| } |
| _LIBCPP_HIDE_FROM_ABI const_iterator __make_iter(size_t __pos) const _NOEXCEPT { |
| return const_iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI void operator&=(const __bitset& __v) _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI void operator|=(const __bitset& __v) _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI void operator^=(const __bitset& __v) _NOEXCEPT; |
| |
| _LIBCPP_HIDE_FROM_ABI void flip() _NOEXCEPT; |
| |
| _LIBCPP_HIDE_FROM_ABI unsigned long to_ulong() const; |
| _LIBCPP_HIDE_FROM_ABI unsigned long long to_ullong() const; |
| |
| _LIBCPP_HIDE_FROM_ABI bool all() const _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bool any() const _NOEXCEPT; |
| |
| _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT; |
| }; |
| |
| template <size_t _Size> |
| inline __bitset<1, _Size>::__bitset() _NOEXCEPT : __first_(0) {} |
| |
| template <size_t _Size> |
| inline __bitset<1, _Size>::__bitset(unsigned long long __v) _NOEXCEPT |
| : __first_(_Size == __bits_per_word ? static_cast<__storage_type>(__v) |
| : static_cast<__storage_type>(__v) & ((__storage_type(1) << _Size) - 1)) {} |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI void __bitset<1, _Size>::operator&=(const __bitset& __v) _NOEXCEPT { |
| __first_ &= __v.__first_; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI void __bitset<1, _Size>::operator|=(const __bitset& __v) _NOEXCEPT { |
| __first_ |= __v.__first_; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI void __bitset<1, _Size>::operator^=(const __bitset& __v) _NOEXCEPT { |
| __first_ ^= __v.__first_; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI 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 unsigned long __bitset<1, _Size>::to_ulong() const { |
| return __first_; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI unsigned long long __bitset<1, _Size>::to_ullong() const { |
| return __first_; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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 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_HIDE_FROM_ABI __bitset() _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI explicit __bitset(unsigned long long) _NOEXCEPT; |
| |
| _LIBCPP_HIDE_FROM_ABI reference __make_ref(size_t) _NOEXCEPT { return reference(nullptr, 1); } |
| _LIBCPP_HIDE_FROM_ABI const_reference __make_ref(size_t) const _NOEXCEPT { return const_reference(nullptr, 1); } |
| _LIBCPP_HIDE_FROM_ABI iterator __make_iter(size_t) _NOEXCEPT { return iterator(nullptr, 0); } |
| _LIBCPP_HIDE_FROM_ABI const_iterator __make_iter(size_t) const _NOEXCEPT { return const_iterator(nullptr, 0); } |
| |
| _LIBCPP_HIDE_FROM_ABI void operator&=(const __bitset&) _NOEXCEPT {} |
| _LIBCPP_HIDE_FROM_ABI void operator|=(const __bitset&) _NOEXCEPT {} |
| _LIBCPP_HIDE_FROM_ABI void operator^=(const __bitset&) _NOEXCEPT {} |
| |
| _LIBCPP_HIDE_FROM_ABI void flip() _NOEXCEPT {} |
| |
| _LIBCPP_HIDE_FROM_ABI unsigned long to_ulong() const { return 0; } |
| _LIBCPP_HIDE_FROM_ABI unsigned long long to_ullong() const { return 0; } |
| |
| _LIBCPP_HIDE_FROM_ABI bool all() const _NOEXCEPT { return true; } |
| _LIBCPP_HIDE_FROM_ABI bool any() const _NOEXCEPT { return false; } |
| |
| _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT { return 0; } |
| }; |
| |
| inline __bitset<0, 0>::__bitset() _NOEXCEPT {} |
| |
| inline __bitset<0, 0>::__bitset(unsigned long long) _NOEXCEPT {} |
| |
| template <size_t _Size> |
| class _LIBCPP_TEMPLATE_VIS bitset; |
| template <size_t _Size> |
| struct hash<bitset<_Size> >; |
| |
| template <size_t _Size> |
| class _LIBCPP_TEMPLATE_VIS bitset |
| : private __bitset<_Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1, _Size> { |
| public: |
| static const unsigned __n_words = _Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1; |
| typedef __bitset<__n_words, _Size> base; |
| |
| public: |
| typedef typename base::reference reference; |
| typedef typename base::const_reference const_reference; |
| |
| // 23.3.5.1 constructors: |
| _LIBCPP_HIDE_FROM_ABI bitset() _NOEXCEPT {} |
| _LIBCPP_HIDE_FROM_ABI bitset(unsigned long long __v) _NOEXCEPT : base(__v) {} |
| template <class _CharT, __enable_if_t<_IsCharLikeType<_CharT>::value, int> = 0> |
| _LIBCPP_HIDE_FROM_ABI explicit bitset( |
| const _CharT* __str, |
| typename basic_string<_CharT>::size_type __n = basic_string<_CharT>::npos, |
| _CharT __zero = _CharT('0'), |
| _CharT __one = _CharT('1')) { |
| size_t __rlen = std::min(__n, char_traits<_CharT>::length(__str)); |
| __init_from_string_view(basic_string_view<_CharT>(__str, __rlen), __zero, __one); |
| } |
| |
| template <class _CharT, class _Traits, class _Allocator> |
| _LIBCPP_HIDE_FROM_ABI explicit bitset( |
| const basic_string<_CharT, _Traits, _Allocator>& __str, |
| typename basic_string<_CharT, _Traits, _Allocator>::size_type __pos = 0, |
| typename basic_string<_CharT, _Traits, _Allocator>::size_type __n = |
| basic_string<_CharT, _Traits, _Allocator>::npos, |
| _CharT __zero = _CharT('0'), |
| _CharT __one = _CharT('1')) { |
| if (__pos > __str.size()) |
| std::__throw_out_of_range("bitset string pos out of range"); |
| |
| size_t __rlen = std::min(__n, __str.size() - __pos); |
| __init_from_string_view(basic_string_view<_CharT, _Traits>(__str.data() + __pos, __rlen), __zero, __one); |
| } |
| |
| // 23.3.5.2 bitset operations: |
| _LIBCPP_HIDE_FROM_ABI bitset& operator&=(const bitset& __rhs) _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bitset& operator|=(const bitset& __rhs) _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bitset& operator^=(const bitset& __rhs) _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bitset& operator<<=(size_t __pos) _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bitset& operator>>=(size_t __pos) _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bitset& set() _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bitset& set(size_t __pos, bool __val = true); |
| _LIBCPP_HIDE_FROM_ABI bitset& reset() _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bitset& reset(size_t __pos); |
| _LIBCPP_HIDE_FROM_ABI bitset operator~() const _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bitset& flip() _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bitset& flip(size_t __pos); |
| |
| // element access: |
| #ifdef _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL |
| _LIBCPP_HIDE_FROM_ABI bool operator[](size_t __p) const { return base::__make_ref(__p); } |
| #else |
| _LIBCPP_HIDE_FROM_ABI const_reference operator[](size_t __p) const { return base::__make_ref(__p); } |
| #endif |
| _LIBCPP_HIDE_FROM_ABI reference operator[](size_t __p) { return base::__make_ref(__p); } |
| _LIBCPP_HIDE_FROM_ABI unsigned long to_ulong() const; |
| _LIBCPP_HIDE_FROM_ABI unsigned long long to_ullong() const; |
| template <class _CharT, class _Traits, class _Allocator> |
| _LIBCPP_HIDE_FROM_ABI basic_string<_CharT, _Traits, _Allocator> |
| to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; |
| template <class _CharT, class _Traits> |
| _LIBCPP_HIDE_FROM_ABI basic_string<_CharT, _Traits, allocator<_CharT> > |
| to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; |
| template <class _CharT> |
| _LIBCPP_HIDE_FROM_ABI basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > |
| to_string(_CharT __zero = _CharT('0'), _CharT __one = _CharT('1')) const; |
| _LIBCPP_HIDE_FROM_ABI basic_string<char, char_traits<char>, allocator<char> > |
| to_string(char __zero = '0', char __one = '1') const; |
| _LIBCPP_HIDE_FROM_ABI size_t count() const _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI size_t size() const _NOEXCEPT { return _Size; } |
| _LIBCPP_HIDE_FROM_ABI bool operator==(const bitset& __rhs) const _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bool operator!=(const bitset& __rhs) const _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bool test(size_t __pos) const; |
| _LIBCPP_HIDE_FROM_ABI bool all() const _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bool any() const _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bool none() const _NOEXCEPT { return !any(); } |
| _LIBCPP_HIDE_FROM_ABI bitset operator<<(size_t __pos) const _NOEXCEPT; |
| _LIBCPP_HIDE_FROM_ABI bitset operator>>(size_t __pos) const _NOEXCEPT; |
| |
| private: |
| template <class _CharT, class _Traits> |
| _LIBCPP_HIDE_FROM_ABI void |
| __init_from_string_view(basic_string_view<_CharT, _Traits> __str, _CharT __zero, _CharT __one) { |
| for (size_t __i = 0; __i < __str.size(); ++__i) |
| if (!_Traits::eq(__str[__i], __zero) && !_Traits::eq(__str[__i], __one)) |
| std::__throw_invalid_argument("bitset string ctor has invalid argument"); |
| |
| size_t __mp = std::min(__str.size(), _Size); |
| size_t __i = 0; |
| for (; __i < __mp; ++__i) { |
| _CharT __c = __str[__mp - 1 - __i]; |
| (*this)[__i] = _Traits::eq(__c, __one); |
| } |
| std::fill(base::__make_iter(__i), base::__make_iter(_Size), false); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI size_t __hash_code() const _NOEXCEPT { return base::__hash_code(); } |
| |
| friend struct hash<bitset>; |
| }; |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bitset<_Size>& bitset<_Size>::operator&=(const bitset& __rhs) _NOEXCEPT { |
| base::operator&=(__rhs); |
| return *this; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bitset<_Size>& bitset<_Size>::operator|=(const bitset& __rhs) _NOEXCEPT { |
| base::operator|=(__rhs); |
| return *this; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bitset<_Size>& bitset<_Size>::operator^=(const bitset& __rhs) _NOEXCEPT { |
| base::operator^=(__rhs); |
| return *this; |
| } |
| |
| template <size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI bitset<_Size>& bitset<_Size>::operator<<=(size_t __pos) _NOEXCEPT { |
| __pos = std::min(__pos, _Size); |
| std::copy_backward(base::__make_iter(0), base::__make_iter(_Size - __pos), base::__make_iter(_Size)); |
| std::fill_n(base::__make_iter(0), __pos, false); |
| return *this; |
| } |
| |
| template <size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI bitset<_Size>& bitset<_Size>::operator>>=(size_t __pos) _NOEXCEPT { |
| __pos = std::min(__pos, _Size); |
| std::copy(base::__make_iter(__pos), base::__make_iter(_Size), base::__make_iter(0)); |
| std::fill_n(base::__make_iter(_Size - __pos), __pos, false); |
| return *this; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bitset<_Size>& bitset<_Size>::set() _NOEXCEPT { |
| std::fill_n(base::__make_iter(0), _Size, true); |
| return *this; |
| } |
| |
| template <size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI bitset<_Size>& bitset<_Size>::set(size_t __pos, bool __val) { |
| if (__pos >= _Size) |
| __throw_out_of_range("bitset set argument out of range"); |
| |
| (*this)[__pos] = __val; |
| return *this; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bitset<_Size>& bitset<_Size>::reset() _NOEXCEPT { |
| std::fill_n(base::__make_iter(0), _Size, false); |
| return *this; |
| } |
| |
| template <size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI bitset<_Size>& bitset<_Size>::reset(size_t __pos) { |
| if (__pos >= _Size) |
| __throw_out_of_range("bitset reset argument out of range"); |
| |
| (*this)[__pos] = false; |
| return *this; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bitset<_Size> bitset<_Size>::operator~() const _NOEXCEPT { |
| bitset __x(*this); |
| __x.flip(); |
| return __x; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bitset<_Size>& bitset<_Size>::flip() _NOEXCEPT { |
| base::flip(); |
| return *this; |
| } |
| |
| template <size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI bitset<_Size>& bitset<_Size>::flip(size_t __pos) { |
| if (__pos >= _Size) |
| __throw_out_of_range("bitset flip argument out of range"); |
| |
| reference __r = base::__make_ref(__pos); |
| __r = ~__r; |
| return *this; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI unsigned long bitset<_Size>::to_ulong() const { |
| return base::to_ulong(); |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI unsigned long long bitset<_Size>::to_ullong() const { |
| return base::to_ullong(); |
| } |
| |
| template <size_t _Size> |
| template <class _CharT, class _Traits, class _Allocator> |
| _LIBCPP_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI size_t bitset<_Size>::count() const _NOEXCEPT { |
| return static_cast<size_t>(std::count(base::__make_iter(0), base::__make_iter(_Size), true)); |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bool bitset<_Size>::operator==(const bitset& __rhs) const _NOEXCEPT { |
| return std::equal(base::__make_iter(0), base::__make_iter(_Size), __rhs.__make_iter(0)); |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bool bitset<_Size>::operator!=(const bitset& __rhs) const _NOEXCEPT { |
| return !(*this == __rhs); |
| } |
| |
| template <size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI bool bitset<_Size>::test(size_t __pos) const { |
| if (__pos >= _Size) |
| __throw_out_of_range("bitset test argument out of range"); |
| |
| return (*this)[__pos]; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bool bitset<_Size>::all() const _NOEXCEPT { |
| return base::all(); |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bool bitset<_Size>::any() const _NOEXCEPT { |
| return base::any(); |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bitset<_Size> bitset<_Size>::operator<<(size_t __pos) const _NOEXCEPT { |
| bitset __r = *this; |
| __r <<= __pos; |
| return __r; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI bitset<_Size> bitset<_Size>::operator>>(size_t __pos) const _NOEXCEPT { |
| bitset __r = *this; |
| __r >>= __pos; |
| return __r; |
| } |
| |
| template <size_t _Size> |
| inline _LIBCPP_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_TEMPLATE_VIS hash<bitset<_Size> > : public __unary_function<bitset<_Size>, size_t> { |
| _LIBCPP_HIDE_FROM_ABI size_t operator()(const bitset<_Size>& __bs) const _NOEXCEPT { return __bs.__hash_code(); } |
| }; |
| |
| template <class _CharT, class _Traits, size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x); |
| |
| template <class _CharT, class _Traits, size_t _Size> |
| _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x); |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| _LIBCPP_POP_MACROS |
| |
| #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) |
| # include <__cxx03/cstdlib> |
| # include <__cxx03/type_traits> |
| #endif |
| |
| #endif // _LIBCPP___CXX03_BITSET |
