dfs.hpp
Go to the documentation of this file.00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */ 00002 /* 00003 * Main authors: 00004 * Christian Schulte <schulte@gecode.org> 00005 * 00006 * Copyright: 00007 * Christian Schulte, 2003 00008 * 00009 * Last modified: 00010 * $Date: 2016-04-19 17:19:45 +0200 (Tue, 19 Apr 2016) $ by $Author: schulte $ 00011 * $Revision: 14967 $ 00012 * 00013 * This file is part of Gecode, the generic constraint 00014 * development environment: 00015 * http://www.gecode.org 00016 * 00017 * Permission is hereby granted, free of charge, to any person obtaining 00018 * a copy of this software and associated documentation files (the 00019 * "Software"), to deal in the Software without restriction, including 00020 * without limitation the rights to use, copy, modify, merge, publish, 00021 * distribute, sublicense, and/or sell copies of the Software, and to 00022 * permit persons to whom the Software is furnished to do so, subject to 00023 * the following conditions: 00024 * 00025 * The above copyright notice and this permission notice shall be 00026 * included in all copies or substantial portions of the Software. 00027 * 00028 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00029 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00030 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00031 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 00032 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 00033 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00034 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00035 * 00036 */ 00037 00038 namespace Gecode { namespace Search { 00039 00041 GECODE_SEARCH_EXPORT Engine* 00042 dfs(Space* s, const Options& o); 00043 00045 template<class T> 00046 class DfsBuilder : public Builder { 00047 using Builder::opt; 00048 public: 00050 DfsBuilder(const Options& opt); 00052 virtual Engine* operator() (Space* s) const; 00053 }; 00054 00055 template<class T> 00056 inline 00057 DfsBuilder<T>::DfsBuilder(const Options& opt) 00058 : Builder(opt,DFS<T>::best) {} 00059 00060 template<class T> 00061 Engine* 00062 DfsBuilder<T>::operator() (Space* s) const { 00063 return build<T,DFS>(s,opt); 00064 } 00065 00066 }} 00067 00068 namespace Gecode { 00069 00070 template<class T> 00071 inline 00072 DFS<T>::DFS(T* s, const Search::Options& o) 00073 : Search::Base<T>(Search::dfs(s,o)) {} 00074 00075 template<class T> 00076 inline T* 00077 dfs(T* s, const Search::Options& o) { 00078 DFS<T> d(s,o); 00079 return d.next(); 00080 } 00081 00082 template<class T> 00083 SEB 00084 dfs(const Search::Options& o) { 00085 return new Search::DfsBuilder<T>(o); 00086 } 00087 00088 } 00089 00090 // STATISTICS: search-other