neural_network/activation_function/ActivationFunctionSymetricThreshold.h

0001 /*
0002  * ActivationFunctionSymetricThreshold.h
0003  *
0004  *  Created on: Apr 23, 2016
0005  *      Author: Pawel Sznajder
0006  */
0007
0008 #ifndef ACTIVATIONFUNCTIONSYMETRICTHRESHOLD_H_
0009 #define ACTIVATIONFUNCTIONSYMETRICTHRESHOLD_H_
0010
0011 #include "ActivationFunction.h"
0012
0013 namespace NumA {
0014
0015 class ActivationFunctionSymetricThreshold: public ActivationFunction {
0016
0017 public:
0018
0019     static const unsigned int classId;
0020
0021     ActivationFunctionSymetricThreshold();
0022     virtual ~ActivationFunctionSymetricThreshold();
0023     virtual ActivationFunctionSymetricThreshold* clone() const;
0024
0025     virtual double evaluate(double input);
0026     virtual double evaluateFirstDerivative(double input);
0027     virtual double evaluateSecondDerivative(double input);
0028
0029 protected:
0030
0031     ActivationFunctionSymetricThreshold(
0032             const ActivationFunctionSymetricThreshold& other);
0033 };
0034
0035 }
0036
0037 #endif /* ACTIVATIONFUNCTIONSYMETRICTHRESHOLD_H_ */