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 * 00006 * Copyright: 00007 * Christian Schulte, 2009 00008 * 00009 * Last modified: 00010 * $Date: 2010-07-15 12:39:29 +0200 (Thu, 15 Jul 2010) $ by $Author: tack $ 00011 * $Revision: 11199 $ 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 Scheduling { namespace Cumulative { 00039 00040 template<class ManTask> 00041 forceinline 00042 ManProp<ManTask>::ManProp(Home home, int c0, TaskArray<ManTask>& t) 00043 : TaskProp<ManTask,Int::PC_INT_DOM>(home,t), c(c0) {} 00044 00045 template<class ManTask> 00046 forceinline 00047 ManProp<ManTask>::ManProp(Space& home, bool shared, 00048 ManProp<ManTask>& p) 00049 : TaskProp<ManTask,Int::PC_INT_DOM>(home,shared,p), c(p.c) {} 00050 00051 template<class ManTask> 00052 forceinline ExecStatus 00053 ManProp<ManTask>::post(Home home, int c, TaskArray<ManTask>& t) { 00054 // Check that tasks do not overload resource 00055 for (int i=t.size(); i--; ) 00056 if (t[i].c() > c) 00057 return ES_FAILED; 00058 if (t.size() > 1) 00059 (void) new (home) ManProp<ManTask>(home,c,t); 00060 return ES_OK; 00061 } 00062 00063 template<class ManTask> 00064 Actor* 00065 ManProp<ManTask>::copy(Space& home, bool share) { 00066 return new (home) ManProp<ManTask>(home,share,*this); 00067 } 00068 00069 template<class ManTask> 00070 forceinline size_t 00071 ManProp<ManTask>::dispose(Space& home) { 00072 (void) TaskProp<ManTask,Int::PC_INT_DOM>::dispose(home); 00073 return sizeof(*this); 00074 } 00075 00076 template<class ManTask> 00077 ExecStatus 00078 ManProp<ManTask>::propagate(Space& home, const ModEventDelta& med) { 00079 // Only bounds changes? 00080 if (Int::IntView::me(med) != Int::ME_INT_DOM) 00081 GECODE_ES_CHECK(overload(home,c,t)); 00082 GECODE_ES_CHECK(edgefinding(home,c,t)); 00083 return basic(home,*this,c,t); 00084 } 00085 00086 }}} 00087 00088 // STATISTICS: scheduling-prop