EuclidicDistanceFitnessStrategy.h

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/***************************************************************************
 *   Copyright (C) 2008-2011 LpzRobots development team                    *
 *    Joerg Weider   <joergweide84 at aol dot com> (robot12)               *
 *    Georg Martius  <georg dot martius at web dot de>                     *
 *    Frank Guettler <guettler at informatik dot uni-leipzig dot de        *
 *    Frank Hesse    <frank at nld dot ds dot mpg dot de>                  *
 *    Ralf Der       <ralfder at mis dot mpg dot de>                       *
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#ifndef EUCLIDICDISTANCEFITNESSSTRATEGY_H_
#define EUCLIDICDISTANCEFITNESSSTRATEGY_H_

//forward declaration
class Individual;

//ga_tools include
#include "IFitnessStrategy.h"

/**
 * This fitness strategy calculate from all double gens (IValue<double>) the euclidic
 * distance to zero.
 */
class EuclidicDistanceFitnessStrategy: public IFitnessStrategy {
public:
        /**
         * default constructor
         * do nothing
         */
        EuclidicDistanceFitnessStrategy();

        /**
         * default destructor
         * do nothing
         */
        virtual ~EuclidicDistanceFitnessStrategy();

        /**
         * this function calculate the euclidic distance of all double gen which
         * individual has.
         * @param individual (const Individual*) the Individual
         * @return (double) the distance
         */
        virtual double getFitness(const Individual* individual);
};

#endif /* EUCLIDICDISTANCEFITNESSSTRATEGY_H_ */