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author | AlexSm <alex@ydb.tech> | 2024-01-18 11:28:56 +0100 |
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committer | GitHub <noreply@github.com> | 2024-01-18 11:28:56 +0100 |
commit | 9d0a3761b3201e0d9db879a7adf91876ebdb0564 (patch) | |
tree | 541d11ac878c18efd7ebca81e35112aa0fef995b /contrib/libs/cxxsupp/libcxx/include/__algorithm/upper_bound.h | |
parent | 404ef8886ecc9736bc58ade6da2fbd83b486a408 (diff) | |
download | ydb-9d0a3761b3201e0d9db879a7adf91876ebdb0564.tar.gz |
Library import 8 (#1074)
* Library import 8
* Add contrib/libs/cxxsupp/libcxx/include/__verbose_abort
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/__algorithm/upper_bound.h')
-rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/__algorithm/upper_bound.h | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/upper_bound.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/upper_bound.h index 3fc2548735..1045380bc8 100644 --- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/upper_bound.h +++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/upper_bound.h @@ -11,10 +11,15 @@ #include <__algorithm/comp.h> #include <__algorithm/half_positive.h> +#include <__algorithm/iterator_operations.h> #include <__config> +#include <__functional/identity.h> +#include <__functional/invoke.h> #include <__iterator/advance.h> #include <__iterator/distance.h> #include <__iterator/iterator_traits.h> +#include <__type_traits/is_copy_constructible.h> +#include <__utility/move.h> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header @@ -22,45 +27,40 @@ _LIBCPP_BEGIN_NAMESPACE_STD -template <class _Compare, class _ForwardIterator, class _Tp> -_LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator -__upper_bound(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value, _Compare __comp) -{ - typedef typename iterator_traits<_ForwardIterator>::difference_type difference_type; - difference_type __len = _VSTD::distance(__first, __last); - while (__len != 0) - { - difference_type __l2 = _VSTD::__half_positive(__len); - _ForwardIterator __m = __first; - _VSTD::advance(__m, __l2); - if (__comp(__value, *__m)) - __len = __l2; - else - { - __first = ++__m; - __len -= __l2 + 1; - } +template <class _AlgPolicy, class _Compare, class _Iter, class _Sent, class _Tp, class _Proj> +_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _Iter +__upper_bound(_Iter __first, _Sent __last, const _Tp& __value, _Compare&& __comp, _Proj&& __proj) { + auto __len = _IterOps<_AlgPolicy>::distance(__first, __last); + while (__len != 0) { + auto __half_len = std::__half_positive(__len); + auto __mid = _IterOps<_AlgPolicy>::next(__first, __half_len); + if (std::__invoke(__comp, __value, std::__invoke(__proj, *__mid))) + __len = __half_len; + else { + __first = ++__mid; + __len -= __half_len + 1; } - return __first; + } + return __first; } template <class _ForwardIterator, class _Tp, class _Compare> -_LIBCPP_NODISCARD_EXT inline -_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 -_ForwardIterator -upper_bound(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value, _Compare __comp) -{ - return _VSTD::__upper_bound<_Compare&>(__first, __last, __value, __comp); +_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator +upper_bound(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value, _Compare __comp) { + static_assert(is_copy_constructible<_ForwardIterator>::value, + "Iterator has to be copy constructible"); + return std::__upper_bound<_ClassicAlgPolicy>( + std::move(__first), std::move(__last), __value, std::move(__comp), std::__identity()); } template <class _ForwardIterator, class _Tp> -_LIBCPP_NODISCARD_EXT inline -_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 -_ForwardIterator -upper_bound(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) -{ - return _VSTD::upper_bound(__first, __last, __value, - __less<_Tp, typename iterator_traits<_ForwardIterator>::value_type>()); +_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator +upper_bound(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) { + return std::upper_bound( + std::move(__first), + std::move(__last), + __value, + __less<_Tp, typename iterator_traits<_ForwardIterator>::value_type>()); } _LIBCPP_END_NAMESPACE_STD |