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: 2012-09-19 15:14:28 +0200 (Wed, 19 Sep 2012) $ by $Author: schulte $ 00011 * $Revision: 13103 $ 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 class ValBranch { 00045 protected: 00047 Rnd r; 00049 VoidFunction vf; 00051 VoidFunction cf; 00052 public: 00054 ValBranch(void); 00056 ValBranch(Rnd r); 00058 ValBranch(VoidFunction v, VoidFunction c); 00060 Rnd rnd(void) const; 00062 VoidFunction val(void) const; 00064 VoidFunction commit(void) const; 00065 }; 00066 00067 00068 forceinline 00069 ValBranch::ValBranch(void) 00070 : vf(NULL), cf(NULL) {} 00071 00072 forceinline 00073 ValBranch::ValBranch(Rnd r0) 00074 : r(r0), vf(NULL), cf(NULL) { 00075 if (!r.initialized()) 00076 throw UninitializedRnd("ValBranch::ValBranch"); 00077 } 00078 00079 forceinline 00080 ValBranch::ValBranch(VoidFunction v, VoidFunction c) 00081 : vf(v), cf(c) {} 00082 00083 forceinline Rnd 00084 ValBranch::rnd(void) const { 00085 return r; 00086 } 00087 00088 forceinline VoidFunction 00089 ValBranch::val(void) const { 00090 return vf; 00091 } 00092 00093 forceinline VoidFunction 00094 ValBranch::commit(void) const { 00095 return cf; 00096 } 00097 00098 } 00099 00100 // STATISTICS: kernel-branch