ann_layer.h

/*
** ann_layer.h for GANNEngine in /home/robin_f/Programming/Git/CPP/GANNEngine
** 
** Made by Guillaume ROBIN
** Login   <robin_f@epitech.eu>
** 
** Started on  Wed Jul  8 14:16:10 2015 Guillaume ROBIN
** Last update Fri Aug 21 23:34:14 2015 Guillaume ROBIN
*/

#ifndef ANN_LAYER_H_
# define ANN_LAYER_H_

# include "ANN/matrix.h"

namespace GANN
{
  class ANNLayer
  {
  public:
    /*
    ** Typedef.
    */
    typedef double  (*FActivate)(double);

    ANNLayer(unsigned int num_inputs, unsigned int num_neurons,
         double min, double max, FActivate activation);
    ANNLayer(ANNLayer const& copy);
    ANNLayer(void);
    ~ANNLayer(void);

    /*
    ** Getters.
    */

    Matrix<double> const&   getWeights(void) const;
    Matrix<double>&     getWeights(void);
    Matrix<double> const&   getOutputs(void) const;
    Matrix<double> const&   getBias(void) const;
    Matrix<double>&     getBias(void);
    FActivate           getActivationFunction(void) const;

    /*
    ** Setters.
    */

    void    setWeights(Matrix<double> const& weights);
    void    setBias(Matrix<double> const& bias);
    void    setOutputs(Matrix<double> const& outputs);
    void    setActivationFunction(FActivate f);

    /*
    ** Overlaod.
    */
    ANNLayer&   operator=(ANNLayer const& layer);

    /*
    ** Methods.
    */

    void    Activate(Matrix<double> const& inputs);

  private:
    Matrix<double>  _weights; 
    Matrix<double>  _outputs; 
    Matrix<double>  _bias; 
    FActivate       _activate; 
  };
}

#endif /* !ANN_LAYER_H_ */