IFGroup.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 IFGROUP_H_
#define IFGROUP_H_

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

namespace auryn {

        class IFGroup : public NeuronGroup
        {
        private:
                AurynStateVector * t_leak;
                AurynStateVector * t_exc;
                AurynStateVector * t_inh;
                AurynFloat scale_ampa,scale_gaba, scale_thr;
                AurynFloat tau_ampa,tau_gaba,tau_nmda;
                AurynFloat A_ampa,A_nmda;
                AurynFloat thr_rest,tau_mem,tau_thr,dthr;
                AurynFloat mul_nmda;
                void init();
                void free();
                void calculate_scale_constants();
                void integrate_membrane();
                void integrate_linear_nmda_synapses();
                void check_thresholds();
        public:
                AurynFloat u_reset; 
                AurynFloat u_rest; 
                AurynFloat u_inh_rev; 

                IFGroup( NeuronID size, NodeDistributionMode distmode=AUTO );
                virtual ~IFGroup();
                void set_tau_mem(AurynFloat taum);
                AurynFloat get_tau_mem();

                void set_tau_ampa(AurynFloat tau);

                AurynFloat get_tau_ampa();

                void set_tau_gaba(AurynFloat tau);

                AurynFloat get_tau_gaba();

                void set_tau_nmda(AurynFloat tau);

                void set_tau_thr(AurynFloat tau);

                AurynFloat get_tau_nmda();

                void set_ampa_nmda_ratio(AurynFloat ratio);

                void set_nmda_ampa_current_ampl_ratio(AurynFloat ratio);

                void clear();

                virtual void evolve();
        };
}

#endif /*IFGROUP_H_*/