iter-prune-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, 2011 00008 * 00009 * Last modified: 00010 * $Date: 2011-09-08 14:34:40 +0200 (Thu, 08 Sep 2011) $ by $Author: schulte $ 00011 * $Revision: 12395 $ 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 Int { namespace ViewValGraph { 00039 00040 template<class View> 00041 forceinline 00042 IterPruneVal<View>::IterPruneVal(ViewNode<View>* y) 00043 : x(y), e(y->val_edges()) { 00044 while ((e != NULL) && e->used(x)) 00045 e = e->next_edge(); 00046 } 00047 template<class View> 00048 forceinline bool 00049 IterPruneVal<View>::operator ()(void) const { 00050 return e != NULL; 00051 } 00052 template<class View> 00053 forceinline void 00054 IterPruneVal<View>::operator ++(void) { 00055 assert(!e->used(x)); 00056 do { 00057 e = e->next_edge(); 00058 } while ((e != NULL) && e->used(x)); 00059 } 00060 template<class View> 00061 forceinline int 00062 IterPruneVal<View>::val(void) const { 00063 assert(!e->used(x)); 00064 return e->val(x)->val(); 00065 } 00066 00067 }}} 00068 00069 // STATISTICS: int-prop 00070