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134723edd5
This is a fairly mechanical change, it just moves each algorithm into its own header. This is intended to be a NFC. This commit re-applies 7ed7d4ccb899, which was reverted in 692d7166f771 because the Modules build got broken. The modules build has now been fixed, so we're re-committing this. Differential Revision: https://reviews.llvm.org/D103583 Attribution note ---------------- I'm only committing this. This commit is a mix of D103583, D103330 and D104171 authored by: Co-authored-by: Christopher Di Bella <cjdb@google.com> Co-authored-by: zoecarver <z.zoelec2@gmail.com>
77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
//===----------------------------------------------------------------------===//
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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_MERGE_H
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#define _LIBCPP___ALGORITHM_MERGE_H
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#include <__config>
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#include <__algorithm/comp.h>
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#include <__algorithm/comp_ref_type.h>
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#include <__algorithm/copy.h>
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#include <__iterator/iterator_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_PUSH_MACROS
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#include <__undef_macros>
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Compare, class _InputIterator1, class _InputIterator2, class _OutputIterator>
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_LIBCPP_CONSTEXPR_AFTER_CXX17
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_OutputIterator
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__merge(_InputIterator1 __first1, _InputIterator1 __last1,
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_InputIterator2 __first2, _InputIterator2 __last2, _OutputIterator __result, _Compare __comp)
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{
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for (; __first1 != __last1; ++__result)
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{
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if (__first2 == __last2)
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return _VSTD::copy(__first1, __last1, __result);
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if (__comp(*__first2, *__first1))
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{
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*__result = *__first2;
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++__first2;
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}
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else
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{
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*__result = *__first1;
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++__first1;
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}
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}
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return _VSTD::copy(__first2, __last2, __result);
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}
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template <class _InputIterator1, class _InputIterator2, class _OutputIterator, class _Compare>
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inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
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_OutputIterator
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merge(_InputIterator1 __first1, _InputIterator1 __last1,
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_InputIterator2 __first2, _InputIterator2 __last2, _OutputIterator __result, _Compare __comp)
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{
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typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
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return _VSTD::__merge<_Comp_ref>(__first1, __last1, __first2, __last2, __result, __comp);
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}
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template <class _InputIterator1, class _InputIterator2, class _OutputIterator>
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inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
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_OutputIterator
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merge(_InputIterator1 __first1, _InputIterator1 __last1,
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_InputIterator2 __first2, _InputIterator2 __last2, _OutputIterator __result)
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{
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typedef typename iterator_traits<_InputIterator1>::value_type __v1;
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typedef typename iterator_traits<_InputIterator2>::value_type __v2;
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return _VSTD::merge(__first1, __last1, __first2, __last2, __result, __less<__v1, __v2>());
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}
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_LIBCPP_END_NAMESPACE_STD
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_LIBCPP_POP_MACROS
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#endif // _LIBCPP___ALGORITHM_MERGE_H
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