AIFGroup.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 AIFGROUP_H_
#define AIFGROUP_H_

#include "auryn_definitions.h"
#include "AurynVector.h"
#include "NeuronGroup.h"
#include "System.h"

namespace auryn {

class AIFGroup : public NeuronGroup
{
private:
        void free();

protected:
        AurynStateVector * dmem;
        AurynStateVector * t_leak;
        AurynStateVector * t_exc;
        AurynStateVector * t_inh;
        AurynStateVector * g_adapt1;

        AurynFloat scale_ampa,scale_gaba, scale_thr;
        AurynFloat scale_adapt1;
        AurynFloat tau_adapt1;


        AurynFloat e_rest,e_rev,thr_rest,tau_mem,tau_thr,dthr;
        AurynFloat tau_ampa,tau_gaba,tau_nmda;
        AurynFloat A_ampa,A_nmda;

        void init();
        void vector_scale( float mul, auryn_vector_float * v );
        void integrate_linear_nmda_synapses();
        void integrate_membrane();
        void check_thresholds();
public:
        AurynFloat dg_adapt1;

        AIFGroup( NeuronID size, NodeDistributionMode distmode=AUTO);
        virtual ~AIFGroup();
        void set_tau_mem(AurynFloat taum);
        AurynFloat get_tau_mem();
        void set_tau_ampa(AurynFloat tau);
        void set_tau_gaba(AurynFloat tau);
        void set_tau_nmda(AurynFloat tau);
        void set_tau_adapt(AurynFloat tau);
        AurynFloat get_tau_ampa();
        AurynFloat get_tau_gaba();
        AurynFloat get_tau_nmda();
        AurynFloat get_tau_adapt();
        void random_adapt(AurynState mean, AurynState sigma);
        void set_ampa_nmda_ratio(AurynFloat ratio);
        void calculate_scale_constants();


        void clear();
        void evolve();
};

}

#endif /*AIFGROUP_H_*/