dom-ctrl.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: 2011-09-07 16:15:16 +0200 (Wed, 07 Sep 2011) $ by $Author: schulte $ 00011 * $Revision: 12394 $ 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 #include <climits> 00039 00040 namespace Gecode { namespace Int { namespace Distinct { 00041 00042 /* 00043 * The propagation controller 00044 * 00045 */ 00046 00047 template<class View> 00048 forceinline 00049 DomCtrl<View>::DomCtrl(void) {} 00050 00051 template<class View> 00052 forceinline bool 00053 DomCtrl<View>::available(void) { 00054 return g.initialized(); 00055 } 00056 00057 template<class View> 00058 ExecStatus 00059 DomCtrl<View>::init(Space& home, ViewArray<View>& x) { 00060 return g.init(home,x); 00061 } 00062 00063 template<class View> 00064 ExecStatus 00065 DomCtrl<View>::sync(Space& home) { 00066 g.purge(); 00067 return g.sync(home) ? ES_OK : ES_FAILED; 00068 } 00069 00070 template<class View> 00071 ExecStatus 00072 DomCtrl<View>::propagate(Space& home, bool& assigned) { 00073 if (!g.mark(home)) 00074 return ES_OK; 00075 return g.prune(home,assigned); 00076 } 00077 00078 }}} 00079 00080 // STATISTICS: int-prop 00081