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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.
47 lines
1.4 KiB
C++
Vendored
47 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_COMP_H
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#define _LIBCPP___ALGORITHM_COMP_H
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#include <__config>
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#include <__type_traits/integral_constant.h>
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#include <__type_traits/predicate_traits.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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struct __equal_to {
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template <class _T1, class _T2>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool operator()(const _T1& __x, const _T2& __y) const {
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return __x == __y;
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}
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};
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template <class _Lhs, class _Rhs>
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struct __is_trivial_equality_predicate<__equal_to, _Lhs, _Rhs> : true_type {};
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// The definition is required because __less is part of the ABI, but it's empty
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// because all comparisons should be transparent.
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template <class _T1 = void, class _T2 = _T1>
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struct __less {};
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template <>
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struct __less<void, void> {
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template <class _Tp, class _Up>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool operator()(const _Tp& __lhs, const _Up& __rhs) const {
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return __lhs < __rhs;
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}
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};
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ALGORITHM_COMP_H
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