man-prop.hpp
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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */ 00002 /* 00003 * Main authors: 00004 * Christian Schulte <schulte@gecode.org> 00005 * Guido Tack <tack@gecode.org> 00006 * 00007 * Copyright: 00008 * Christian Schulte, 2009 00009 * Guido Tack, 2010 00010 * 00011 * Last modified: 00012 * $Date: 2011-01-18 23:37:08 +0100 (Tue, 18 Jan 2011) $ by $Author: tack $ 00013 * $Revision: 11551 $ 00014 * 00015 * This file is part of Gecode, the generic constraint 00016 * development environment: 00017 * http://www.gecode.org 00018 * 00019 * Permission is hereby granted, free of charge, to any person obtaining 00020 * a copy of this software and associated documentation files (the 00021 * "Software"), to deal in the Software without restriction, including 00022 * without limitation the rights to use, copy, modify, merge, publish, 00023 * distribute, sublicense, and/or sell copies of the Software, and to 00024 * permit persons to whom the Software is furnished to do so, subject to 00025 * the following conditions: 00026 * 00027 * The above copyright notice and this permission notice shall be 00028 * included in all copies or substantial portions of the Software. 00029 * 00030 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00031 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00032 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00033 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 00034 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 00035 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00036 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00037 * 00038 */ 00039 00040 namespace Gecode { namespace Scheduling { namespace Cumulative { 00041 00042 template<class ManTask> 00043 forceinline 00044 ManProp<ManTask>::ManProp(Home home, int c0, TaskArray<ManTask>& t) 00045 : TaskProp<ManTask,Int::PC_INT_DOM>(home,t), c(c0) {} 00046 00047 template<class ManTask> 00048 forceinline 00049 ManProp<ManTask>::ManProp(Space& home, bool shared, 00050 ManProp<ManTask>& p) 00051 : TaskProp<ManTask,Int::PC_INT_DOM>(home,shared,p), c(p.c) {} 00052 00053 template<class ManTask> 00054 forceinline ExecStatus 00055 ManProp<ManTask>::post(Home home, int c, TaskArray<ManTask>& t) { 00056 // Check that tasks do not overload resource 00057 for (int i=t.size(); i--; ) 00058 if (t[i].c() > c) 00059 return ES_FAILED; 00060 if (t.size() > 1) 00061 (void) new (home) ManProp<ManTask>(home,c,t); 00062 return ES_OK; 00063 } 00064 00065 template<class ManTask> 00066 Actor* 00067 ManProp<ManTask>::copy(Space& home, bool share) { 00068 return new (home) ManProp<ManTask>(home,share,*this); 00069 } 00070 00071 template<class ManTask> 00072 forceinline size_t 00073 ManProp<ManTask>::dispose(Space& home) { 00074 (void) TaskProp<ManTask,Int::PC_INT_DOM>::dispose(home); 00075 return sizeof(*this); 00076 } 00077 00078 template<class ManTask> 00079 ExecStatus 00080 ManProp<ManTask>::propagate(Space& home, const ModEventDelta& med) { 00081 // Only bounds changes? 00082 if (Int::IntView::me(med) != Int::ME_INT_DOM) 00083 GECODE_ES_CHECK(overload(home,c,t)); 00084 GECODE_ES_CHECK(edgefinding(home,c,t)); 00085 return basic(home,*this,c,t); 00086 } 00087 00088 }}} 00089 00090 // STATISTICS: scheduling-prop