atmostOne.hpp
Go to the documentation of this file.00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */ 00002 /* 00003 * Main authors: 00004 * Guido Tack <tack@gecode.org> 00005 * 00006 * Copyright: 00007 * Guido Tack, 2004 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 Set { namespace Distinct { 00035 00036 /* 00037 * "AtMostOneIntersection" propagator 00038 * 00039 */ 00040 00041 forceinline 00042 AtmostOne::AtmostOne(Home home, ViewArray<SetView>& x, unsigned int _c) 00043 : NaryPropagator<SetView, PC_SET_ANY>(home,x), c(_c) {} 00044 00045 forceinline 00046 AtmostOne::AtmostOne(Space& home, AtmostOne& p) 00047 : NaryPropagator<SetView, PC_SET_ANY>(home,p), c(p.c) {} 00048 00049 forceinline ExecStatus 00050 AtmostOne::post(Home home, ViewArray<SetView> x, unsigned int c) { 00051 for (int i=x.size(); i--;) { 00052 GECODE_ME_CHECK(x[i].cardMin(home, c)); 00053 GECODE_ME_CHECK(x[i].cardMax(home, c)); 00054 } 00055 00056 (void) new (home) AtmostOne(home,x,c); 00057 return ES_OK; 00058 } 00059 00060 }}} 00061 00062 // STATISTICS: set-prop