lds.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, 2004, 2016 00008 * 00009 * This file is part of Gecode, the generic constraint 00010 * development environment: 00011 * http://www.gecode.org 00012 * 00013 * Permission is hereby granted, free of charge, to any person obtaining 00014 * a copy of this software and associated documentation files (the 00015 * "Software"), to deal in the Software without restriction, including 00016 * without limitation the rights to use, copy, modify, merge, publish, 00017 * distribute, sublicense, and/or sell copies of the Software, and to 00018 * permit persons to whom the Software is furnished to do so, subject to 00019 * the following conditions: 00020 * 00021 * The above copyright notice and this permission notice shall be 00022 * included in all copies or substantial portions of the Software. 00023 * 00024 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00025 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00026 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00027 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 00028 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 00029 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00030 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00031 * 00032 */ 00033 00034 namespace Gecode { namespace Search { 00035 00037 GECODE_SEARCH_EXPORT Engine* 00038 ldsengine(Space* s, const Options& o); 00039 00041 template<class T> 00042 class LdsBuilder : public Builder { 00043 using Builder::opt; 00044 public: 00046 LdsBuilder(const Options& opt); 00048 virtual Engine* operator() (Space* s) const; 00049 }; 00050 00051 template<class T> 00052 inline 00053 LdsBuilder<T>::LdsBuilder(const Options& opt) 00054 : Builder(opt,LDS<T>::best) {} 00055 00056 template<class T> 00057 Engine* 00058 LdsBuilder<T>::operator() (Space* s) const { 00059 return build<T,LDS>(s,opt); 00060 } 00061 00062 00063 }} 00064 00065 namespace Gecode { 00066 00067 template<class T> 00068 forceinline 00069 LDS<T>::LDS(T* s, const Search::Options& o) 00070 : Search::Base<T>(Search::ldsengine(s,o)) {} 00071 00072 template<class T> 00073 T* 00074 lds(T* s, const Search::Options& o) { 00075 LDS<T> lds(s,o); 00076 return lds.next(); 00077 } 00078 00079 template<class T> 00080 SEB 00081 lds(const Search::Options& o) { 00082 return new Search::LdsBuilder<T>(o); 00083 } 00084 00085 } 00086 00087 // STATISTICS: search-other