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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.
53 lines
1.9 KiB
C++
Vendored
53 lines
1.9 KiB
C++
Vendored
// -*- 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___FUNCTIONAL_BINDER1ST_H
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#define _LIBCPP___FUNCTIONAL_BINDER1ST_H
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#include <__config>
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#include <__functional/unary_function.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 <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
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template <class _Operation>
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class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binder1st
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: public __unary_function<typename _Operation::second_argument_type, typename _Operation::result_type>
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{
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protected:
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_Operation op;
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typename _Operation::first_argument_type value;
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public:
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_LIBCPP_INLINE_VISIBILITY binder1st(const _Operation& __x,
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const typename _Operation::first_argument_type __y)
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: op(__x), value(__y) {}
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_LIBCPP_INLINE_VISIBILITY typename _Operation::result_type operator()
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(typename _Operation::second_argument_type& __x) const
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{return op(value, __x);}
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_LIBCPP_INLINE_VISIBILITY typename _Operation::result_type operator()
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(const typename _Operation::second_argument_type& __x) const
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{return op(value, __x);}
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};
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template <class _Operation, class _Tp>
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_LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY
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binder1st<_Operation>
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bind1st(const _Operation& __op, const _Tp& __x)
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{return binder1st<_Operation>(__op, __x);}
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#endif // _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___FUNCTIONAL_BINDER1ST_H
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