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simplepopula.h

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#ifndef __SIMPLEPOPULA_H__
#define __SIMPLEPOPULA_H__

#include "population.h"

//                                                                           //
//  ---- o            |       ----                  |           o            //
// (              --  |  ___  |   )       --        |  ___   |           _   //
//  ---  | |/|/| |  ) | /   ) |---   __  |  ) |   | |  ___| -+- |  __  |/ \  //
//     ) | | | | |--  | |---  |     /  \ |--  |   | | (   |  |  | /  \ |   | //
// ___/  | | | | |    |  \__  |     \__/ |     \__! |  \__|   \ | \__/ |   | //
//                                                                           //

class SimplePopulation : public Population {
  public:

                                SimplePopulation (EAEnvironment& envr, const StringMap& params);

                                ~SimplePopulation ();

    double                      evolve          (int generations,
                                                 const char* savefile=NULL,
                                                 double trg_fitn=-1);
    
    const Individual&           operator[]		(int i) const {return (*mpPopulation)[i];}

    Individual&                 operator[]		(int i) {return (*mpPopulation)[i];}
    
    int                         size            () const {return mpPopulation->size();}

    void                        print           (TextOStream& out) const;

    void                        report          (TextOStream& log) const;

    const EAStrategy&           getstrategy     () const {return *mpStrategy;}

    int                         getAge          () const {return mAge;}

    MutationRate&               mutRate         () {return mGlobalMutationRate;}

    const SelectionPrms&        selParams       () const {return mSelectionParams;}
    SelectionPrms&              selParams       () {return mSelectionParams;}

    void                        resetFitnesses  ();

    virtual void                check           () const;
    
    double                      minsimilarity;

    const Array<Individual>&    getPopArray () const {return *mpPopulation;}
  private:

    void                    evaluate        (EAEnvironment& envr, TextOStream& out);

    void                    addFeaturesTo   (Genome& genome) const;

  private:
    Array<Individual>*      mpPopulation;       
    EAStrategy*             mpStrategy;         
    FitnessStats            mFitnessStats;      
    int                     mElites;            
    bool                    mUseGlobalElites;   
    SelectionPrms           mSelectionParams;   
    bool                    mUseGlobalMu;       
    bool                    mUseGlobalQ;        
    bool                    mUseGlobalEtaPlus;  
    friend class EAStrategy;
    friend class Selector;
};

#endif

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