branch-val.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, 2008 00008 * 00009 * Last modified: 00010 * $Date: 2017-03-08 11:58:56 +0100 (Wed, 08 Mar 2017) $ by $Author: schulte $ 00011 * $Revision: 15562 $ 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 { 00039 00044 template<class Var> 00045 class ValBranch { 00046 public: 00048 typedef typename BranchTraits<Var>::Val BranchVal; 00050 typedef typename BranchTraits<Var>::Commit BranchCommit; 00051 protected: 00053 Rnd r; 00055 BranchVal vf; 00057 BranchCommit cf; 00058 public: 00060 ValBranch(void); 00062 ValBranch(Rnd r); 00064 ValBranch(BranchVal v, BranchCommit c); 00066 Rnd rnd(void) const; 00068 BranchVal val(void) const; 00070 BranchCommit commit(void) const; 00071 }; 00072 00073 00074 template<class Var> 00075 inline 00076 ValBranch<Var>::ValBranch(void) 00077 : vf(nullptr), cf(nullptr) {} 00078 00079 template<class Var> 00080 inline 00081 ValBranch<Var>::ValBranch(Rnd r0) 00082 : r(r0), vf(nullptr), cf(nullptr) { 00083 if (!r) 00084 throw UninitializedRnd("ValBranch::ValBranch"); 00085 } 00086 00087 template<class Var> 00088 inline 00089 ValBranch<Var>::ValBranch(BranchVal v, BranchCommit c) 00090 : vf(v), cf(c) {} 00091 00092 template<class Var> 00093 inline Rnd 00094 ValBranch<Var>::rnd(void) const { 00095 return r; 00096 } 00097 00098 template<class Var> 00099 inline typename ValBranch<Var>::BranchVal 00100 ValBranch<Var>::val(void) const { 00101 return vf; 00102 } 00103 00104 template<class Var> 00105 inline typename ValBranch<Var>::BranchCommit 00106 ValBranch<Var>::commit(void) const { 00107 return cf; 00108 } 00109 00110 } 00111 00112 // STATISTICS: kernel-branch