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author | Andrey Khalyavin <halyavin@gmail.com> | 2022-02-10 16:46:30 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:46:30 +0300 |
commit | 4b839d0704ee9be1dabb0310a1f03af24963637b (patch) | |
tree | 1a2c5ffcf89eb53ecd79dbc9bc0a195c27404d0c /contrib/libs/cxxsupp/libcxx/include/__algorithm/minmax_element.h | |
parent | f773626848a7c7456803654292e716b83d69cc12 (diff) | |
download | ydb-4b839d0704ee9be1dabb0310a1f03af24963637b.tar.gz |
Restoring authorship annotation for Andrey Khalyavin <halyavin@gmail.com>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/__algorithm/minmax_element.h')
-rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/__algorithm/minmax_element.h | 170 |
1 files changed, 85 insertions, 85 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/minmax_element.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/minmax_element.h index 8e470058b7..d21ff6f8dc 100644 --- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/minmax_element.h +++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/minmax_element.h @@ -1,85 +1,85 @@ -//===----------------------------------------------------------------------===// -// -// 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___ALGORITHM_MINMAX_ELEMENT_H -#define _LIBCPP___ALGORITHM_MINMAX_ELEMENT_H - -#include <__config> -#include <__algorithm/comp.h> -#include <__iterator/iterator_traits.h> -#include <utility> - -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -#pragma GCC system_header -#endif - -_LIBCPP_BEGIN_NAMESPACE_STD - -template <class _ForwardIterator, class _Compare> -_LIBCPP_NODISCARD_EXT _LIBCPP_CONSTEXPR_AFTER_CXX11 -pair<_ForwardIterator, _ForwardIterator> -minmax_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp) -{ - static_assert(__is_cpp17_forward_iterator<_ForwardIterator>::value, - "std::minmax_element requires a ForwardIterator"); - pair<_ForwardIterator, _ForwardIterator> __result(__first, __first); - if (__first != __last) - { - if (++__first != __last) - { - if (__comp(*__first, *__result.first)) - __result.first = __first; - else - __result.second = __first; - while (++__first != __last) - { - _ForwardIterator __i = __first; - if (++__first == __last) - { - if (__comp(*__i, *__result.first)) - __result.first = __i; - else if (!__comp(*__i, *__result.second)) - __result.second = __i; - break; - } - else - { - if (__comp(*__first, *__i)) - { - if (__comp(*__first, *__result.first)) - __result.first = __first; - if (!__comp(*__i, *__result.second)) - __result.second = __i; - } - else - { - if (__comp(*__i, *__result.first)) - __result.first = __i; - if (!__comp(*__first, *__result.second)) - __result.second = __first; - } - } - } - } - } - return __result; -} - -template <class _ForwardIterator> -_LIBCPP_NODISCARD_EXT inline -_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 -pair<_ForwardIterator, _ForwardIterator> -minmax_element(_ForwardIterator __first, _ForwardIterator __last) -{ - return _VSTD::minmax_element(__first, __last, - __less<typename iterator_traits<_ForwardIterator>::value_type>()); -} - -_LIBCPP_END_NAMESPACE_STD - -#endif // _LIBCPP___ALGORITHM_MINMAX_ELEMENT_H +//===----------------------------------------------------------------------===// +// +// 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___ALGORITHM_MINMAX_ELEMENT_H +#define _LIBCPP___ALGORITHM_MINMAX_ELEMENT_H + +#include <__config> +#include <__algorithm/comp.h> +#include <__iterator/iterator_traits.h> +#include <utility> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _ForwardIterator, class _Compare> +_LIBCPP_NODISCARD_EXT _LIBCPP_CONSTEXPR_AFTER_CXX11 +pair<_ForwardIterator, _ForwardIterator> +minmax_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp) +{ + static_assert(__is_cpp17_forward_iterator<_ForwardIterator>::value, + "std::minmax_element requires a ForwardIterator"); + pair<_ForwardIterator, _ForwardIterator> __result(__first, __first); + if (__first != __last) + { + if (++__first != __last) + { + if (__comp(*__first, *__result.first)) + __result.first = __first; + else + __result.second = __first; + while (++__first != __last) + { + _ForwardIterator __i = __first; + if (++__first == __last) + { + if (__comp(*__i, *__result.first)) + __result.first = __i; + else if (!__comp(*__i, *__result.second)) + __result.second = __i; + break; + } + else + { + if (__comp(*__first, *__i)) + { + if (__comp(*__first, *__result.first)) + __result.first = __first; + if (!__comp(*__i, *__result.second)) + __result.second = __i; + } + else + { + if (__comp(*__i, *__result.first)) + __result.first = __i; + if (!__comp(*__first, *__result.second)) + __result.second = __first; + } + } + } + } + } + return __result; +} + +template <class _ForwardIterator> +_LIBCPP_NODISCARD_EXT inline +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 +pair<_ForwardIterator, _ForwardIterator> +minmax_element(_ForwardIterator __first, _ForwardIterator __last) +{ + return _VSTD::minmax_element(__first, __last, + __less<typename iterator_traits<_ForwardIterator>::value_type>()); +} + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___ALGORITHM_MINMAX_ELEMENT_H |