opnsense-src/contrib/llvm-project/libcxx/include/__algorithm/clamp.h
Dimitry Andric 0eb20fbda7 Merge llvm-project main llvmorg-19-init-18630-gf2ccf80136a0
This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-19-init-18630-gf2ccf80136a0, the
last commit before the upstream release/19.x branch was created.

PR:		280562
MFC after:	1 month

(cherry picked from commit 0fca6ea1d4)
2024-12-01 12:16:52 +01:00

44 lines
1.4 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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 <__algorithm/comp.h>
#include <__assert>
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER >= 17
template <class _Tp, class _Compare>
[[nodiscard]] inline _LIBCPP_HIDE_FROM_ABI constexpr const _Tp&
clamp(_LIBCPP_LIFETIMEBOUND const _Tp& __v,
_LIBCPP_LIFETIMEBOUND const _Tp& __lo,
_LIBCPP_LIFETIMEBOUND const _Tp& __hi,
_Compare __comp) {
_LIBCPP_ASSERT_ARGUMENT_WITHIN_DOMAIN(!__comp(__hi, __lo), "Bad bounds passed to std::clamp");
return __comp(__v, __lo) ? __lo : __comp(__hi, __v) ? __hi : __v;
}
template <class _Tp>
[[nodiscard]] inline _LIBCPP_HIDE_FROM_ABI constexpr const _Tp&
clamp(_LIBCPP_LIFETIMEBOUND const _Tp& __v,
_LIBCPP_LIFETIMEBOUND const _Tp& __lo,
_LIBCPP_LIFETIMEBOUND const _Tp& __hi) {
return std::clamp(__v, __lo, __hi, __less<>());
}
#endif
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___ALGORITHM_CLAMP_H