NeuronLinear.cpp

//
// Created by fluffymoo on 11.6.18.
//

#include <boost/serialization/base_object.hpp>
#include "NeuronLinear.h"


Neuron* NeuronLinear::get_copy( ){
    NeuronLinear* output = new NeuronLinear( this->activation_function_parameters[0],  this->activation_function_parameters[1]);

    return output;
}

NeuronLinear::NeuronLinear(double a, double b) {

    this->n_activation_function_parameters = 2;
    this->activation_function_parameters = new double[2];

    this->activation_function_parameters[0] = a;
    this->activation_function_parameters[1] = b;

    this->edges_in = new std::vector<Connection*>(0);
    this->edges_out = new std::vector<Connection*>(0);

}

void NeuronLinear::activate( ) {

    double x = this->potential;
    double a = this->activation_function_parameters[0];
    double b = this->activation_function_parameters[1];

    this->state = b * x + a;

}

double NeuronLinear::activation_function_eval_partial_derivative(int param_idx) {

    if(param_idx == 0){
        return 1.0;
    }
    else if(param_idx == 1){
        double x = this->potential;
        return x;
    }

    return 0.0;
}

double NeuronLinear::activation_function_eval_derivative( ) {
    double b = this->activation_function_parameters[1];

    return b;
}

Neuron* NeuronLinear::get_derivative() {
    NeuronLinear* output = nullptr;

    //derivative according to 'x'
    output = new NeuronLinear(this->activation_function_parameters[1], 0.0);

    return output;
}

//template<class Archive>
//void NeuronLinear::serialize(Archive & ar, const unsigned int version) {
//    ar & boost::serialization::base_object<Neuron>(*this);
//}