diff options
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/__algorithm/equal.h')
| -rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/__algorithm/equal.h | 83 |
1 files changed, 73 insertions, 10 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/equal.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/equal.h index cf37f46aaf..b69aeff92b 100644 --- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/equal.h +++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/equal.h @@ -11,9 +11,20 @@ #define _LIBCPP___ALGORITHM_EQUAL_H #include <__algorithm/comp.h> +#include <__algorithm/unwrap_iter.h> #include <__config> +#include <__functional/identity.h> +#include <__functional/invoke.h> #include <__iterator/distance.h> #include <__iterator/iterator_traits.h> +#include <__string/constexpr_c_functions.h> +#include <__type_traits/enable_if.h> +#include <__type_traits/integral_constant.h> +#include <__type_traits/is_constant_evaluated.h> +#include <__type_traits/is_equality_comparable.h> +#include <__type_traits/is_volatile.h> +#include <__type_traits/predicate_traits.h> +#include <__utility/move.h> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header @@ -22,23 +33,42 @@ _LIBCPP_BEGIN_NAMESPACE_STD template <class _InputIterator1, class _InputIterator2, class _BinaryPredicate> -_LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 bool -equal(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _BinaryPredicate __pred) { +_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool __equal_iter_impl( + _InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _BinaryPredicate& __pred) { for (; __first1 != __last1; ++__first1, (void)++__first2) if (!__pred(*__first1, *__first2)) return false; return true; } +template < + class _Tp, + class _Up, + class _BinaryPredicate, + __enable_if_t<__is_trivial_equality_predicate<_BinaryPredicate, _Tp, _Up>::value && !is_volatile<_Tp>::value && + !is_volatile<_Up>::value && __libcpp_is_trivially_equality_comparable<_Tp, _Up>::value, + int> = 0> +_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool +__equal_iter_impl(_Tp* __first1, _Tp* __last1, _Up* __first2, _BinaryPredicate&) { + return std::__constexpr_memcmp_equal(__first1, __first2, __element_count(__last1 - __first1)); +} + +template <class _InputIterator1, class _InputIterator2, class _BinaryPredicate> +_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool +equal(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _BinaryPredicate __pred) { + return std::__equal_iter_impl( + std::__unwrap_iter(__first1), std::__unwrap_iter(__last1), std::__unwrap_iter(__first2), __pred); +} + template <class _InputIterator1, class _InputIterator2> -_LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 bool +_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool equal(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2) { return std::equal(__first1, __last1, __first2, __equal_to()); } -#if _LIBCPP_STD_VER > 11 +#if _LIBCPP_STD_VER >= 14 template <class _BinaryPredicate, class _InputIterator1, class _InputIterator2> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 bool +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool __equal(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2, _BinaryPredicate __pred, input_iterator_tag, input_iterator_tag) { for (; __first1 != __last1 && __first2 != __last2; ++__first1, (void)++__first2) @@ -47,19 +77,52 @@ __equal(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __fir return __first1 == __last1 && __first2 == __last2; } +template <class _Iter1, class _Sent1, class _Iter2, class _Sent2, class _Pred, class _Proj1, class _Proj2> +_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool __equal_impl( + _Iter1 __first1, _Sent1 __last1, _Iter2 __first2, _Sent2 __last2, _Pred& __comp, _Proj1& __proj1, _Proj2& __proj2) { + while (__first1 != __last1 && __first2 != __last2) { + if (!std::__invoke(__comp, std::__invoke(__proj1, *__first1), std::__invoke(__proj2, *__first2))) + return false; + ++__first1; + ++__first2; + } + return __first1 == __last1 && __first2 == __last2; +} + +template <class _Tp, + class _Up, + class _Pred, + class _Proj1, + class _Proj2, + __enable_if_t<__is_trivial_equality_predicate<_Pred, _Tp, _Up>::value && __is_identity<_Proj1>::value && + __is_identity<_Proj2>::value && !is_volatile<_Tp>::value && !is_volatile<_Up>::value && + __libcpp_is_trivially_equality_comparable<_Tp, _Up>::value, + int> = 0> +_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool __equal_impl( + _Tp* __first1, _Tp* __last1, _Up* __first2, _Up*, _Pred&, _Proj1&, _Proj2&) { + return std::__constexpr_memcmp_equal(__first1, __first2, __element_count(__last1 - __first1)); +} + template <class _BinaryPredicate, class _RandomAccessIterator1, class _RandomAccessIterator2> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 bool +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool __equal(_RandomAccessIterator1 __first1, _RandomAccessIterator1 __last1, _RandomAccessIterator2 __first2, _RandomAccessIterator2 __last2, _BinaryPredicate __pred, random_access_iterator_tag, random_access_iterator_tag) { if (_VSTD::distance(__first1, __last1) != _VSTD::distance(__first2, __last2)) return false; - return _VSTD::equal<_RandomAccessIterator1, _RandomAccessIterator2, - _BinaryPredicate&>(__first1, __last1, __first2, __pred); + __identity __proj; + return std::__equal_impl( + std::__unwrap_iter(__first1), + std::__unwrap_iter(__last1), + std::__unwrap_iter(__first2), + std::__unwrap_iter(__last2), + __pred, + __proj, + __proj); } template <class _InputIterator1, class _InputIterator2, class _BinaryPredicate> -_LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 bool +_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool equal(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2, _BinaryPredicate __pred) { return _VSTD::__equal<_BinaryPredicate&>( @@ -68,7 +131,7 @@ equal(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first } template <class _InputIterator1, class _InputIterator2> -_LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 bool +_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool equal(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2) { return std::__equal( __first1, |