StructuredPoissonGroup.h

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/* 
* Copyright 2014-2018 Friedemann Zenke
*
* This file is part of Auryn, a simulation package for plastic
* spiking neural networks.
* 
* Auryn is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* 
* Auryn is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with Auryn.  If not, see <http://www.gnu.org/licenses/>.
*
* If you are using Auryn or parts of it for your work please cite:
* Zenke, F. and Gerstner, W., 2014. Limits to high-speed simulations 
* of spiking neural networks using general-purpose computers. 
* Front Neuroinform 8, 76. doi: 10.3389/fninf.2014.00076
*/

#ifndef STRUCTUREDPOISSONGROUP_H_
#define STRUCTUREDPOISSONGROUP_H_

#include "auryn_definitions.h"
#include "AurynVector.h"
#include "System.h"
#include "SpikingGroup.h"
#include "PoissonGroup.h"

#include <boost/random/mersenne_twister.hpp>
#include <boost/random/uniform_int.hpp>
#include <boost/random/variate_generator.hpp>
#include <boost/random/exponential_distribution.hpp>

namespace auryn {

class StructuredPoissonGroup : public PoissonGroup
{
private:
        static boost::mt19937 interval_gen;

        NeuronID no_of_stimuli;
        AurynTime stimulus_duration;
        AurynTime mean_isi;
        std::ofstream tiserfile;

        AurynTime next_event;

        void init ( AurynFloat duration, AurynFloat mean_interval, NeuronID no , string outputfile );
        
public:

        bool stimulus_active;
        int current_stimulus;
        int seedoffset;

        StructuredPoissonGroup(NeuronID n, AurynFloat duration, AurynFloat interval, NeuronID stimuli = 1,  AurynDouble rate=5. ,
                        string tiserfile = "stimulus.dat" );
        virtual ~StructuredPoissonGroup();
        virtual void evolve();
};

}

#endif /*STRUCTUREDPOISSONGROUP_H_*/