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// -*- C++ -*- |
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// Copyright (C) 2007-2021 Free Software Foundation, Inc. |
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// |
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// This file is part of the GNU ISO C++ Library. This library is free |
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// software; you can redistribute it and/or modify it under the terms |
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// of the GNU General Public License as published by the Free Software |
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// Foundation; either version 3, or (at your option) any later |
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// version. |
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// This library is distributed in the hope that it will be useful, but |
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// WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// General Public License for more details. |
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|
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 3.1, as published by the Free Software Foundation. |
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|
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// You should have received a copy of the GNU General Public License and |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// <http://www.gnu.org/licenses/>. |
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|
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/** @file parallel/checkers.h |
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* @brief Routines for checking the correctness of algorithm results. |
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* This file is a GNU parallel extension to the Standard C++ Library. |
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*/ |
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|
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// Written by Johannes Singler. |
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|
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#ifndef _GLIBCXX_PARALLEL_CHECKERS_H |
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#define _GLIBCXX_PARALLEL_CHECKERS_H 1 |
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|
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#include <cstdio> |
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#include <bits/stl_algobase.h> |
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#include <bits/stl_function.h> |
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|
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namespace __gnu_parallel |
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{ |
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/** |
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* @brief Check whether @c [__begin, @c __end) is sorted according |
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* to @c __comp. |
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* @param __begin Begin iterator of sequence. |
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* @param __end End iterator of sequence. |
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* @param __comp Comparator. |
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* @return @c true if sorted, @c false otherwise. |
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*/ |
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template<typename _IIter, typename _Compare> |
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bool |
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__is_sorted(_IIter __begin, _IIter __end, _Compare __comp) |
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{ |
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if (__begin == __end) |
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return true; |
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|
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_IIter __current(__begin), __recent(__begin); |
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|
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for (__current++; __current != __end; __current++) |
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{ |
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if (__comp(*__current, *__recent)) |
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{ |
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return false; |
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} |
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__recent = __current; |
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} |
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|
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return true; |
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} |
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} |
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|
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#endif /* _GLIBCXX_PARALLEL_CHECKERS_H */ |
