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| author | Andrey Khalyavin <halyavin@gmail.com> | 2022-02-10 16:46:30 +0300 |
|---|---|---|
| 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/half_positive.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/half_positive.h')
| -rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/__algorithm/half_positive.h | 98 |
1 files changed, 49 insertions, 49 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/half_positive.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/half_positive.h index 475de2870f..5d36ff5da9 100644 --- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/half_positive.h +++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/half_positive.h @@ -1,49 +1,49 @@ -//===----------------------------------------------------------------------===// -// -// 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_HALF_POSITIVE_H -#define _LIBCPP___ALGORITHM_HALF_POSITIVE_H - -#include <__config> -#include <type_traits> - -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -#pragma GCC system_header -#endif - -_LIBCPP_BEGIN_NAMESPACE_STD - -// Perform division by two quickly for positive integers (llvm.org/PR39129) - -template <typename _Integral> -_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR -typename enable_if -< - is_integral<_Integral>::value, - _Integral ->::type -__half_positive(_Integral __value) -{ - return static_cast<_Integral>(static_cast<typename make_unsigned<_Integral>::type>(__value) / 2); -} - -template <typename _Tp> -_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR -typename enable_if -< - !is_integral<_Tp>::value, - _Tp ->::type -__half_positive(_Tp __value) -{ - return __value / 2; -} - -_LIBCPP_END_NAMESPACE_STD - -#endif // _LIBCPP___ALGORITHM_HALF_POSITIVE_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_HALF_POSITIVE_H +#define _LIBCPP___ALGORITHM_HALF_POSITIVE_H + +#include <__config> +#include <type_traits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +// Perform division by two quickly for positive integers (llvm.org/PR39129) + +template <typename _Integral> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR +typename enable_if +< + is_integral<_Integral>::value, + _Integral +>::type +__half_positive(_Integral __value) +{ + return static_cast<_Integral>(static_cast<typename make_unsigned<_Integral>::type>(__value) / 2); +} + +template <typename _Tp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR +typename enable_if +< + !is_integral<_Tp>::value, + _Tp +>::type +__half_positive(_Tp __value) +{ + return __value / 2; +} + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___ALGORITHM_HALF_POSITIVE_H |