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

# InvertedFitnessStrategy.h

Go to the documentation of this file.

    00001 /***************************************************************************
    00002  *   Copyright (C) 2008-2011 LpzRobots development team                    *
    00003  *    Joerg Weider   <joergweide84 at aol dot com> (robot12)               *
    00004  *    Georg Martius  <georg dot martius at web dot de>                     *
    00005  *    Frank Guettler <guettler at informatik dot uni-leipzig dot de        *
    00006  *    Frank Hesse    <frank at nld dot ds dot mpg dot de>                  *
    00007  *    Ralf Der       <ralfder at mis dot mpg dot de>                       *
    00008  *    Joern Hoffmann <jhoffmann at informatik dot uni-leipzig dot de       *
    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
    00027 #ifndef INVERTEDFITNESSSTRATEGY_H_
    00028 #define INVERTEDFITNESSSTRATEGY_H_
    00029
    00030 //forward declaration
    00031 class Individual;
    00032
    00033 //ga_tools includes
    00034 #include "IFitnessStrategy.h"
    00035
    00036 /**
    00037  * This strategy calculate the invert to a other strategy. This can be used for other optimization targets than zero.
    00038  * For example. Is the optimization target of the alg. infinity, than the inverted target is zero -> so the alg. can
    00039  * optimize again zero and you have you infinity target.
    00040  */
    00041 class InvertedFitnessStrategy: public IFitnessStrategy {
    00042 public:
    00043         /**
    00044          * constructor
    00045          * Needs a other fitness strategy, which should be inverted.
    00046          * @param strategy (IFitnessStrategy*) the other fitness strategy
    00047          */
    00048         InvertedFitnessStrategy(IFitnessStrategy* strategy);
    00049
    00050         /**
    00051          * default destructor
    00052          */
    00053         virtual ~InvertedFitnessStrategy();
    00054
    00055         /**
    00056          * returns the inverse fitness value what the other strategy returns for the individual "individual".
    00057          *
    00058          * @param individual (const Individual*) calculate the fitness for this individual
    00059          * @return (double) The fitness value
    00060          */
    00061         virtual double getFitness(const Individual* individual);
    00062
    00063 protected:
    00064         /**
    00065          * The other strategy
    00066          */
    00067         IFitnessStrategy* m_strategy;
    00068
    00069 private:
    00070         /**
    00071          * disable the default constructor
    00072          */
    00073         InvertedFitnessStrategy();
    00074 };
    00075
    00076 #endif /* INVERTEDFITNESSSTRATEGY_H_ */