D:/Projekt/ECF_trunk/ECF/StatCalc.h

#ifndef STATCALC_H_
#define STATCALC_H_


namespace ECF
{

// constants for statistic values reference
enum stats
    { FIT_AVG, FIT_DEV, FIT_MAX, FIT_MIN, STAT_SIZE, STAT_TIME, STAT_EVAL, FIT_LOW, FIT_HIGH };

}


class StatCalc : public Operator
{
private:
    uint statNo;
    std::vector<double> average_;        
    std::vector<double> stdDev_;         
    std::vector<double> max_;            
    std::vector<double> min_;            
    std::vector<uint> sampleSize_;
    std::vector<uint> time_;
    std::vector<uint> evaluations_;      
    double lowest_;                      
    double highest_;                     
    uint nEvaluations_;                  
    StateP state_;
    std::string statsFileName_;
    std::ofstream statsFile_;

public:
    StatCalc();

    bool operate(StateP)
    {   return false;   }

    bool operate(const std::vector<IndividualP>&);
    void registerParameters(StateP);
    bool initialize(StateP);
    bool update(std::vector<double>);
    void log(int generation = -1);
    std::vector<double> getStats(int generation = -1);
    void output(uint step);
    void copyStats(StatCalcP);

    double getFitnessMin(int generation = -1);
    double getFitnessMax(int generation = -1);

    uint increaseEvaluations(uint eval = 1)
    {
        nEvaluations_ += eval;
        return nEvaluations_;
    }

    void setEvaluations(uint eval)
    {   nEvaluations_ = eval;   }

    uint getEvaluations()
    {   return nEvaluations_;   }

    double getLowestFitness()
    {   return lowest_; }

    double getHighestFitness()
    {   return highest_;    }

};
typedef boost::shared_ptr<StatCalc> StatCalcP;

#endif /* STATCALC_H_ */