relax.cpp
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, 2016 00008 * 00009 * Last modified: 00010 * $Date: 2016-10-25 12:52:26 +0200 (Tue, 25 Oct 2016) $ by $Author: schulte $ 00011 * $Revision: 15233 $ 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 #include <gecode/float.hh> 00039 #include <gecode/search/relax.hh> 00040 00041 namespace Gecode { namespace Float { 00042 00044 class Relax { 00045 public: 00047 ExecStatus operator ()(Home home, FloatVar x, FloatVar sx); 00048 }; 00049 00050 forceinline ExecStatus 00051 Relax::operator ()(Home home, FloatVar x, FloatVar sx) { 00052 FloatView xv(x); 00053 return me_failed(xv.eq(home,sx.val())) ? ES_FAILED : ES_OK; 00054 } 00055 00056 }} 00057 00058 namespace Gecode { 00059 00060 void 00061 relax(Home home, const FloatVarArgs& x, const FloatVarArgs& sx, 00062 Rnd r, double p) { 00063 if (x.size() != sx.size()) 00064 throw Float::ArgumentSizeMismatch("Float::relax"); 00065 if ((p < 0.0) || (p > 1.0)) 00066 throw Float::OutOfLimits("Float::relax"); 00067 Float::Relax fr; 00068 Search::relax<FloatVarArgs,Float::Relax>(home,x,sx,r,p,fr); 00069 } 00070 00071 } 00072 00073 // STATISTICS: float-other 00074