ConnectionFunctionIdentity.h

/**
 * DESCRIPTION OF THE FILE
 *
 * @author Michal Kravčenko
 * @date 14.6.18 -
 */

#ifndef INC_4NEURO_CONNECTIONWEIGHTIDENTITY_H
#define INC_4NEURO_CONNECTIONWEIGHTIDENTITY_H

#include "ConnectionFunctionGeneral.h"

class ConnectionFunctionGeneral;

/**
 *
 */
class ConnectionFunctionIdentity:public ConnectionFunctionGeneral {
private:
    double * value = nullptr;
    size_t param_idx;
public:

    /**
     *
     */
    ConnectionFunctionIdentity(double * value_ptr, size_t pidx);

    /**
     *
     * @return
     */
    double eval() override;

    /**
     *
     * @param weight_gradient
     * @param alpha
     */
    void eval_partial_derivative(std::vector<double> &weight_gradient, double alpha) override;
};


#endif //INC_4NEURO_CONNECTIONWEIGHTIDENTITY_H