| //===----------------------------------------------------------------------===// |
| // |
| // 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_CLAMP_H |
| #define _LIBCPP___ALGORITHM_CLAMP_H |
| |
| #include <__config> |
| #include <__debug> |
| #include <__algorithm/comp.h> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER > 14 |
| template<class _Tp, class _Compare> |
| _LIBCPP_NODISCARD_EXT inline |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| const _Tp& |
| clamp(const _Tp& __v, const _Tp& __lo, const _Tp& __hi, _Compare __comp) |
| { |
| _LIBCPP_ASSERT(!__comp(__hi, __lo), "Bad bounds passed to std::clamp"); |
| return __comp(__v, __lo) ? __lo : __comp(__hi, __v) ? __hi : __v; |
| |
| } |
| |
| template<class _Tp> |
| _LIBCPP_NODISCARD_EXT inline |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| const _Tp& |
| clamp(const _Tp& __v, const _Tp& __lo, const _Tp& __hi) |
| { |
| return _VSTD::clamp(__v, __lo, __hi, __less<_Tp>()); |
| } |
| #endif |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___ALGORITHM_CLAMP_H |