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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.
44 lines
1.4 KiB
C++
Vendored
44 lines
1.4 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_FILL_N_H
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#define _LIBCPP___ALGORITHM_FILL_N_H
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#include <__config>
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#include <__iterator/iterator_traits.h>
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#include <__utility/convert_to_integral.h>
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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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// fill_n isn't specialized for std::memset, because the compiler already optimizes the loop to a call to std::memset.
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template <class _OutputIterator, class _Size, class _Tp>
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inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
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_OutputIterator
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__fill_n(_OutputIterator __first, _Size __n, const _Tp& __value)
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{
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for (; __n > 0; ++__first, (void) --__n)
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*__first = __value;
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return __first;
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}
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template <class _OutputIterator, class _Size, class _Tp>
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inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
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_OutputIterator
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fill_n(_OutputIterator __first, _Size __n, const _Tp& __value)
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{
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return _VSTD::__fill_n(__first, _VSTD::__convert_to_integral(__n), __value);
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}
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ALGORITHM_FILL_N_H
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