GaussianNoise.h

Go to the documentation of this file.

#ifndef GAUSSIANNOISE_H_
#define GAUSSIANNOISE_H_

#include "SimObject.h"
#include "ThreadSpecificRandomDistribution.h"

class GaussianNoise : public SimObject
{
    SIMOBJECT( GaussianNoise, AdvancePhase::One )

public:
    GaussianNoise( float level = 1.0 );
    virtual ~GaussianNoise();

    virtual double getManagedDelay() const { return 0; }
    virtual int nSpikeInputPorts() const { return 0; };
    virtual int nSpikeOutputPorts() const { return 0; };
    virtual int nAnalogInputPorts() const { return 0; };
    virtual int nAnalogOutputPorts() const { return 1; };
    virtual PortType outputPortType(port_t o) const
    {
        if( o==0) return analog; else return undefined;
    };
    virtual PortType inputPortType(port_t i) const
    {
        return undefined;
    };

    virtual double getAnalogOutput(analog_port_id_t port = 0) const;

    virtual int reset( double dt );
    virtual int advance( AdvanceInfo const & );
    virtual int non_thread_safe_advance(AdvanceInfo const &);
    virtual int plain_boost(AdvanceInfo const &);
    virtual int no_action(AdvanceInfo const &);
    
    float level;
    
    double noise;

private:
    static ThreadSpecificRandomDistribution< NormalDistribution > noise_gen;

        MersenneTwister19937 mt;
    NormalDistribution normDist;

    boost::mt19937 rng;
    boost::normal_distribution<double> nd;
    boost::variate_generator< boost::mt19937,  boost::normal_distribution<double> > gn;

};

#endif /*GAUSSIANNOISE_H_*/

---