Neuron.h

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#ifndef GRT_NEURON_HEADER
#define GRT_NEURON_HEADER

#include "../../../Util/GRTCommon.h"

GRT_BEGIN_NAMESPACE

class GRT_API Neuron{
public:
 enum Type{LINEAR=0,SIGMOID,BIPOLAR_SIGMOID,TANH,NUMBER_OF_ACTIVATION_FUNCTIONS};
 
 Neuron();

 Neuron( const Neuron &rhs );

 ~Neuron();

 Neuron& operator=(const Neuron &rhs);
 
 bool init(const UINT numInputs,const Type actvationFunction,Random &random,const Float minWeightRange = -0.1, const Float maxWeightRange = 0.1,const Float minBiasRange = -0.1,const Float maxBiasRange = 0.1);
 void clear();
 Float fire(const VectorFloat &x);
 Float getDerivative(const Float &y);
 
 static bool validateActivationFunction(const Type activationFunction);
 
 Float gamma;
 Float bias;
 Float previousBiasUpdate;
 VectorFloat weights;
 VectorFloat previousUpdate;
 UINT numInputs;
 UINT activationFunction;
};

GRT_END_NAMESPACE

#endif //GRT_NEURON_HEADER