eoGaussRealWeightUp.h

// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-

//-----------------------------------------------------------------------------
// eoGaussRealWeightUp.h
// (c) OPAC 2007
/*
    Contact: paradiseo-help@lists.gforge.inria.fr
 */
//-----------------------------------------------------------------------------

#ifndef EOGAUSSREALWEIGHTUP_H
#define EOGAUSSREALWEIGHTUP_H

//-----------------------------------------------------------------------------
#include <eoWeightUpdater.h>
#include <utils/eoRNG.h>
//-----------------------------------------------------------------------------


class eoGaussRealWeightUp:public eoWeightUpdater<double>
{
public:

    eoGaussRealWeightUp(
        double  _mean=0,
        double  _stdev=1.0
    ):mean(_mean),stdev(_stdev){}

    void operator() (double & _weight)
    {
        _weight=rng.normal(mean,stdev);
    }


protected:
    double mean,stdev;

};



#endif/*EOGAUSSREALWEIGHTUP_H*/

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