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author | Andrey Khalyavin <halyavin@gmail.com> | 2022-02-10 16:46:29 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:46:29 +0300 |
commit | f773626848a7c7456803654292e716b83d69cc12 (patch) | |
tree | db052dfcf9134f492bdbb962cb6c16cea58e1ed3 /contrib/libs/cxxsupp/libcxx/include/__algorithm/push_heap.h | |
parent | f43ab775d197d300eb67bd4497632b909cd7c2a5 (diff) | |
download | ydb-f773626848a7c7456803654292e716b83d69cc12.tar.gz |
Restoring authorship annotation for Andrey Khalyavin <halyavin@gmail.com>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/__algorithm/push_heap.h')
-rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/__algorithm/push_heap.h | 140 |
1 files changed, 70 insertions, 70 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/push_heap.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/push_heap.h index 9327fe05b5..5a6c4cd8d9 100644 --- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/push_heap.h +++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/push_heap.h @@ -1,70 +1,70 @@ -//===----------------------------------------------------------------------===// -// -// 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_PUSH_HEAP_H -#define _LIBCPP___ALGORITHM_PUSH_HEAP_H - -#include <__config> -#include <__algorithm/comp.h> -#include <__algorithm/comp_ref_type.h> -#include <__iterator/iterator_traits.h> -#include <__utility/move.h> - -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -#pragma GCC system_header -#endif - -_LIBCPP_BEGIN_NAMESPACE_STD - -template <class _Compare, class _RandomAccessIterator> -_LIBCPP_CONSTEXPR_AFTER_CXX11 void -__sift_up(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp, - typename iterator_traits<_RandomAccessIterator>::difference_type __len) -{ - typedef typename iterator_traits<_RandomAccessIterator>::value_type value_type; - if (__len > 1) - { - __len = (__len - 2) / 2; - _RandomAccessIterator __ptr = __first + __len; - if (__comp(*__ptr, *--__last)) - { - value_type __t(_VSTD::move(*__last)); - do - { - *__last = _VSTD::move(*__ptr); - __last = __ptr; - if (__len == 0) - break; - __len = (__len - 1) / 2; - __ptr = __first + __len; - } while (__comp(*__ptr, __t)); - *__last = _VSTD::move(__t); - } - } -} - -template <class _RandomAccessIterator, class _Compare> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 -void -push_heap(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp) -{ - typedef typename __comp_ref_type<_Compare>::type _Comp_ref; - _VSTD::__sift_up<_Comp_ref>(__first, __last, __comp, __last - __first); -} - -template <class _RandomAccessIterator> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 -void -push_heap(_RandomAccessIterator __first, _RandomAccessIterator __last) -{ - _VSTD::push_heap(__first, __last, __less<typename iterator_traits<_RandomAccessIterator>::value_type>()); -} - -_LIBCPP_END_NAMESPACE_STD - -#endif // _LIBCPP___ALGORITHM_PUSH_HEAP_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_PUSH_HEAP_H +#define _LIBCPP___ALGORITHM_PUSH_HEAP_H + +#include <__config> +#include <__algorithm/comp.h> +#include <__algorithm/comp_ref_type.h> +#include <__iterator/iterator_traits.h> +#include <__utility/move.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _Compare, class _RandomAccessIterator> +_LIBCPP_CONSTEXPR_AFTER_CXX11 void +__sift_up(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp, + typename iterator_traits<_RandomAccessIterator>::difference_type __len) +{ + typedef typename iterator_traits<_RandomAccessIterator>::value_type value_type; + if (__len > 1) + { + __len = (__len - 2) / 2; + _RandomAccessIterator __ptr = __first + __len; + if (__comp(*__ptr, *--__last)) + { + value_type __t(_VSTD::move(*__last)); + do + { + *__last = _VSTD::move(*__ptr); + __last = __ptr; + if (__len == 0) + break; + __len = (__len - 1) / 2; + __ptr = __first + __len; + } while (__comp(*__ptr, __t)); + *__last = _VSTD::move(__t); + } + } +} + +template <class _RandomAccessIterator, class _Compare> +inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +void +push_heap(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp) +{ + typedef typename __comp_ref_type<_Compare>::type _Comp_ref; + _VSTD::__sift_up<_Comp_ref>(__first, __last, __comp, __last - __first); +} + +template <class _RandomAccessIterator> +inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +void +push_heap(_RandomAccessIterator __first, _RandomAccessIterator __last) +{ + _VSTD::push_heap(__first, __last, __less<typename iterator_traits<_RandomAccessIterator>::value_type>()); +} + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___ALGORITHM_PUSH_HEAP_H |