Robot Simulator of the Robotics Group for Self-Organization of Control: InvertedFitnessStrategy.h Source File

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# InvertedFitnessStrategy.h

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    00001 /***************************************************************************
    00002  *   Copyright (C) 2005-2009 by Robot Group Leipzig                        *
    00003  *    martius@informatik.uni-leipzig.de                                    *
    00004  *    fhesse@informatik.uni-leipzig.de                                     *
    00005  *    der@informatik.uni-leipzig.de                                        *
    00006  *    guettler@informatik.uni-leipzig.de                                   *
    00007  *    jhoffmann@informatik.uni-leipzig.de                                  *
    00008  *    joergweide84@aol.com (robot12)                                       *
    00009  *                                                                         *
    00010  *   This program is free software; you can redistribute it and/or modify  *
    00011  *   it under the terms of the GNU General Public License as published by  *
    00012  *   the Free Software Foundation; either version 2 of the License, or     *
    00013  *   (at your option) any later version.                                   *
    00014  *                                                                         *
    00015  *   This program is distributed in the hope that it will be useful,       *
    00016  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
    00017  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
    00018  *   GNU General Public License for more details.                          *
    00019  *                                                                         *
    00020  *   You should have received a copy of the GNU General Public License     *
    00021  *   along with this program; if not, write to the                         *
    00022  *   Free Software Foundation, Inc.,                                       *
    00023  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
    00024  ***************************************************************************
    00025  *                                                                         *
    00026  *   This fitness strategy is for calculating the invert of a other        *
    00027  *   fitness strategy.                                                     *
    00028  *                                                                         *
    00029  *   $Log: InvertedFitnessStrategy.h,v $
    00030  *   Revision 1.2  2009/07/06 15:06:35  robot12
    00031  *   bugfix
    00032  *
    00033  *   Revision 1.1  2009/07/02 15:24:53  robot12
    00034  *   update and add new class InvertedFitnessStrategy
    00035  *
    00036  *
    00037  *
    00038  ***************************************************************************/
    00039
    00040 #ifndef INVERTEDFITNESSSTRATEGY_H_
    00041 #define INVERTEDFITNESSSTRATEGY_H_
    00042
    00043 //forward declaration
    00044 class Individual;
    00045
    00046 //ga_tools includes
    00047 #include "IFitnessStrategy.h"
    00048
    00049 /**
    00050  * This strategy calculate the invert to a other strategy. This can be used for other optimization targets than zero.
    00051  * For example. Is the optimization target of the alg. infinity, than the inverted target is zero -> so the alg. can
    00052  * optimize again zero and you have you infinity target.
    00053  */
    00054 class InvertedFitnessStrategy: public IFitnessStrategy {
    00055 public:
    00056         /**
    00057          * constructor
    00058          * Needs a other fitness strategy, which should be inverted.
    00059          * @param strategy (IFitnessStrategy*) the other fitness strategy
    00060          */
    00061         InvertedFitnessStrategy(IFitnessStrategy* strategy);
    00062
    00063         /**
    00064          * default destructor
    00065          */
    00066         virtual ~InvertedFitnessStrategy();
    00067
    00068         /**
    00069          * returns the inverse fitness value what the other strategy returns for the individual "individual".
    00070          *
    00071          * @param individual (const Individual*) calculate the fitness for this individual
    00072          * @return (double) The fitness value
    00073          */
    00074         virtual double getFitness(const Individual* individual);
    00075
    00076 protected:
    00077         /**
    00078          * The other strategy
    00079          */
    00080         IFitnessStrategy* m_strategy;
    00081
    00082 private:
    00083         /**
    00084          * disable the default constructor
    00085          */
    00086         InvertedFitnessStrategy();
    00087 };
    00088
    00089 #endif /* INVERTEDFITNESSSTRATEGY_H_ */