fwd-to-bwd.hpp
Go to the documentation of this file.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: 2009-08-11 21:20:39 +0200 (Tue, 11 Aug 2009) $ by $Author: schulte $ 00011 * $Revision: 9589 $ 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 { 00039 00040 /* 00041 * Task mapper: map forward task to view to backward task View 00042 */ 00043 template<class TaskView> 00044 forceinline int 00045 FwdToBwd<TaskView>::est(void) const { 00046 return -TaskView::lct(); 00047 } 00048 template<class TaskView> 00049 forceinline int 00050 FwdToBwd<TaskView>::ect(void) const { 00051 return -TaskView::lst(); 00052 } 00053 template<class TaskView> 00054 forceinline int 00055 FwdToBwd<TaskView>::lst(void) const { 00056 return -TaskView::ect(); 00057 } 00058 template<class TaskView> 00059 forceinline int 00060 FwdToBwd<TaskView>::lct(void) const { 00061 return -TaskView::est(); 00062 } 00063 00064 template<class TaskView> 00065 forceinline ModEvent 00066 FwdToBwd<TaskView>::est(Space& home, int n) { 00067 return TaskView::lct(home,-n); 00068 } 00069 template<class TaskView> 00070 forceinline ModEvent 00071 FwdToBwd<TaskView>::ect(Space& home, int n) { 00072 return TaskView::lst(home,-n); 00073 } 00074 template<class TaskView> 00075 forceinline ModEvent 00076 FwdToBwd<TaskView>::lst(Space& home, int n) { 00077 return TaskView::ect(home,-n); 00078 } 00079 template<class TaskView> 00080 forceinline ModEvent 00081 FwdToBwd<TaskView>::lct(Space& home, int n) { 00082 return TaskView::est(home,-n); 00083 } 00084 00085 }} 00086 00087 // STATISTICS: scheduling-var