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Upgrade to 2022-era LLVM LIBCXX
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2078 changed files with 165657 additions and 65010 deletions
54
third_party/libcxx/__numeric/transform_reduce.h
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54
third_party/libcxx/__numeric/transform_reduce.h
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// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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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___NUMERIC_TRANSFORM_REDUCE_H
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#define _LIBCPP___NUMERIC_TRANSFORM_REDUCE_H
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#include <__config>
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#include <__functional/operations.h>
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#include <__utility/move.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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#if _LIBCPP_STD_VER >= 17
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template <class _InputIterator, class _Tp, class _BinaryOp, class _UnaryOp>
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp transform_reduce(_InputIterator __first,
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_InputIterator __last, _Tp __init,
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_BinaryOp __b, _UnaryOp __u) {
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for (; __first != __last; ++__first)
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__init = __b(__init, __u(*__first));
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return __init;
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}
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template <class _InputIterator1, class _InputIterator2, class _Tp, class _BinaryOp1, class _BinaryOp2>
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp transform_reduce(_InputIterator1 __first1,
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_InputIterator1 __last1,
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_InputIterator2 __first2, _Tp __init,
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_BinaryOp1 __b1, _BinaryOp2 __b2) {
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for (; __first1 != __last1; ++__first1, (void)++__first2)
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__init = __b1(__init, __b2(*__first1, *__first2));
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return __init;
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}
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template <class _InputIterator1, class _InputIterator2, class _Tp>
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp transform_reduce(_InputIterator1 __first1,
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_InputIterator1 __last1,
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_InputIterator2 __first2, _Tp __init) {
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return _VSTD::transform_reduce(__first1, __last1, __first2, _VSTD::move(__init), _VSTD::plus<>(),
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_VSTD::multiplies<>());
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}
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#endif
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___NUMERIC_TRANSFORM_REDUCE_H
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