CurrentInjector.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 CURRENTINJECTOR_H_
#define CURRENTINJECTOR_H_

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


namespace auryn {

class CurrentInjector : protected Device
{
private:

        AurynVectorFloat * currents;

        AurynVectorFloat * target_vector;

        void free();

        AurynFloat get_lambda();

        AurynFloat alpha;

protected:

        NeuronGroup * dst;

        
public:

        CurrentInjector(NeuronGroup * target, std::string neuron_state_name="mem", AurynFloat initial_current=0.0 );

        void set_target_state( std::string state_name = "mem" );

        virtual ~CurrentInjector();

        void set_current( NeuronID i, AurynFloat current );

        void set_all_currents( AurynFloat current );

        void execute();

};

}

#endif /*CURRENTINJECTOR_H_*/