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// -*- 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_PSTL_BACKENDS_CPU_BACKENDS_SERIAL_H
#define _LIBCPP___ALGORITHM_PSTL_BACKENDS_CPU_BACKENDS_SERIAL_H
#include <__config>
#include <__utility/move.h>
#include <cstddef>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
#if !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17
_LIBCPP_BEGIN_NAMESPACE_STD
namespace __par_backend {
inline namespace __serial_cpu_backend {
template <class _RandomAccessIterator, class _Fp>
_LIBCPP_HIDE_FROM_ABI void __parallel_for(_RandomAccessIterator __first, _RandomAccessIterator __last, _Fp __f) {
__f(__first, __last);
}
template <class _Index, class _UnaryOp, class _Tp, class _BinaryOp, class _Reduce>
_LIBCPP_HIDE_FROM_ABI _Tp
__parallel_transform_reduce(_Index __first, _Index __last, _UnaryOp, _Tp __init, _BinaryOp, _Reduce __reduce) {
return __reduce(std::move(__first), std::move(__last), std::move(__init));
}
template <class _RandomAccessIterator, class _Compare, class _LeafSort>
_LIBCPP_HIDE_FROM_ABI void __parallel_stable_sort(
_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp, _LeafSort __leaf_sort) {
__leaf_sort(__first, __last, __comp);
}
_LIBCPP_HIDE_FROM_ABI inline void __cancel_execution() {}
template <class _RandomAccessIterator1,
class _RandomAccessIterator2,
class _RandomAccessIterator3,
class _Compare,
class _LeafMerge>
_LIBCPP_HIDE_FROM_ABI void __parallel_merge(
_RandomAccessIterator1 __first1,
_RandomAccessIterator1 __last1,
_RandomAccessIterator2 __first2,
_RandomAccessIterator2 __last2,
_RandomAccessIterator3 __outit,
_Compare __comp,
_LeafMerge __leaf_merge) {
__leaf_merge(__first1, __last1, __first2, __last2, __outit, __comp);
}
// TODO: Complete this list
} // namespace __serial_cpu_backend
} // namespace __par_backend
_LIBCPP_END_NAMESPACE_STD
#endif // !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && && _LIBCPP_STD_VER >= 17
#endif // _LIBCPP___ALGORITHM_PSTL_BACKENDS_CPU_BACKENDS_SERIAL_H
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