projector-set.icc
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, 2006 00008 * 00009 * Last modified: 00010 * $Date: 2008-02-07 09:15:13 +0100 (Thu, 07 Feb 2008) $ by $Author: tack $ 00011 * $Revision: 6105 $ 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 00040 forceinline 00041 ProjectorSet::ProjectorSet(void) {} 00042 00043 forceinline 00044 ProjectorSet::ProjectorSet(int n) : _ps(n), _count(0), _arity(0) {} 00045 00046 forceinline void 00047 ProjectorSet::update(Space* home, bool share, ProjectorSet& p) { 00048 _ps.update(home, share, p._ps); 00049 _count = p._count; 00050 _arity = p._arity; 00051 } 00052 00053 forceinline int 00054 ProjectorSet::arity(void) const { return _arity; } 00055 00056 template <bool negated> 00057 inline ExecStatus 00058 ProjectorSet::propagate(Space* home, ViewArray<Set::SetView>& x) { 00059 int failedCount = 0; 00060 for (int i=_count; i--; ) { 00061 ExecStatus es = _ps[i].propagate<negated>(home, x); 00062 switch (es) { 00063 case ES_FAILED: 00064 if (!negated) 00065 return ES_FAILED; 00066 failedCount++; 00067 break; 00068 case __ES_SUBSUMED: 00069 return __ES_SUBSUMED; 00070 default: 00071 break; 00072 } 00073 } 00074 return failedCount==_count ? ES_FAILED : ES_NOFIX; 00075 } 00076 00077 forceinline int 00078 ProjectorSet::size(void) const { return _count; } 00079 00080 forceinline const Projector& 00081 ProjectorSet::operator[](int i) const { return _ps[i]; } 00082 00083 } 00084 00085 // STATISTICS: set-prop