# eoSGAGenOp.h

    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> &cross;   // 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