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5d4439cc3e
release/17.x branch, commit 8f4dd44097c9ae25dd203d5ac87f3b48f854bba8 This adds the flag `-D_LIBCPP_PSTL_CPU_BACKEND_SERIAL`. A future enhancement could possibly pass something different if there is a compelling parallel implementation. That libdispatch one might be worth looking into.
46 lines
1.3 KiB
C++
Vendored
46 lines
1.3 KiB
C++
Vendored
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ALGORITHM_CLAMP_H
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#define _LIBCPP___ALGORITHM_CLAMP_H
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#include <__algorithm/comp.h>
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#include <__assert>
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#include <__config>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER >= 17
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template<class _Tp, class _Compare>
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_LIBCPP_NODISCARD_EXT inline
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_LIBCPP_INLINE_VISIBILITY constexpr
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const _Tp&
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clamp(const _Tp& __v, const _Tp& __lo, const _Tp& __hi, _Compare __comp)
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{
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_LIBCPP_ASSERT_UNCATEGORIZED(!__comp(__hi, __lo), "Bad bounds passed to std::clamp");
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return __comp(__v, __lo) ? __lo : __comp(__hi, __v) ? __hi : __v;
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}
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template<class _Tp>
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_LIBCPP_NODISCARD_EXT inline
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_LIBCPP_INLINE_VISIBILITY constexpr
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const _Tp&
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clamp(const _Tp& __v, const _Tp& __lo, const _Tp& __hi)
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{
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return _VSTD::clamp(__v, __lo, __hi, __less<>());
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}
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#endif
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ALGORITHM_CLAMP_H
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