overload.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: 2010-02-15 13:56:19 +0100 (Mon, 15 Feb 2010) $ by $Author: schulte $ 00011 * $Revision: 10284 $ 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 // Overload checking for mandatory tasks 00041 template<class ManTask> 00042 ExecStatus 00043 overload(Space& home, int c, TaskArray<ManTask>& t) { 00044 TaskViewArray<typename TaskTraits<ManTask>::TaskViewFwd> f(t); 00045 sort<typename TaskTraits<ManTask>::TaskViewFwd,STO_LCT,true>(f); 00046 00047 Region r(home); 00048 OmegaTree<typename TaskTraits<ManTask>::TaskViewFwd> o(r,c,f); 00049 00050 for (int i=0; i<f.size(); i++) { 00051 if (f[i].mandatory()) 00052 o.insert(i); 00053 if (o.env() > static_cast<double>(c)*f[i].lct()) 00054 GECODE_ME_CHECK(f[i].excluded(home)); 00055 } 00056 return ES_OK; 00057 } 00058 00059 }}} 00060 00061 // STATISTICS: scheduling-prop