00001 // -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*- 00002 00003 //----------------------------------------------------------------------------- 00004 // eoSGAGenOp.h 00005 // (c) Marc.Schoenauer 2002 00006 /* 00007 This library is free software; you can redistribute it and/or 00008 modify it under the terms of the GNU Lesser General Public 00009 License as published by the Free Software Foundation; either 00010 version 2 of the License, or (at your option) any later version. 00011 00012 This library is distributed in the hope that it will be useful, 00013 but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 Lesser General Public License for more details. 00016 00017 You should have received a copy of the GNU Lesser General Public 00018 License along with this library; if not, write to the Free Software 00019 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00020 00021 Contact: todos@geneura.ugr.es, http://geneura.ugr.es 00022 Marc.Schoenauer@inria.fr 00023 mak@dhi.dk 00024 */ 00025 //----------------------------------------------------------------------------- 00026 00027 #ifndef _eoSGAGenOp_h 00028 #define _eoSGAGenOp_h 00029 00030 #include "eoGenOp.h" 00031 #include "eoInvalidateOps.h" 00033 // class eoSGAGenOp 00035 00043 template<class EOT> 00044 class eoSGAGenOp : public eoGenOp<EOT> 00045 { 00046 public: 00047 00052 eoSGAGenOp(eoQuadOp<EOT>& _cross, double _pCross, 00053 eoMonOp<EOT>& _mut, double _pMut) 00054 : cross(_cross), 00055 pCross(_pCross), 00056 mut(_mut), 00057 pMut(_pMut) 00058 { 00059 // the crossover - with probability pCross 00060 propOp.add(cross, pCross); // crossover, with proba pcross 00061 propOp.add(quadClone, 1-pCross); // nothing, with proba 1-pcross 00062 00063 // now the sequential 00064 op.add(propOp, 1.0); // always do combined crossover 00065 op.add(mut, pMut); // then mutation, with proba pmut 00066 } 00067 00069 virtual void apply(eoPopulator<EOT>& _pop) 00070 { 00071 op.apply(_pop); 00072 } 00073 00075 virtual unsigned max_production(void) {return 2;} 00076 00077 virtual std::string className() const {return "eoSGAGenOp";} 00078 00079 00080 private: 00081 eoQuadOp<EOT> ✗ // eoInvalidateXXX take the boolean output 00082 double pCross; 00083 eoMonOp<EOT> & mut; // of the XXX op and invalidate the EOT 00084 double pMut; 00085 eoProportionalOp<EOT> propOp; 00086 eoQuadCloneOp<EOT> quadClone; 00087 eoSequentialOp<EOT> op; 00088 }; 00089 00090 00091 #endif