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tfunc.h

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#ifndef __TFUNC_H__
#define __TFUNC_H__


//     -----                                     -----                       //
//       |        ___    _    ____  __  ___      |             _    ___      //
//       |   |/\  ___| |/ \  (     /   /   ) |/\ |---  |   | |/ \  |   \     //
//       |   |   (   | |   |  \__  +-- |---  |   |     |   | |   | |         //
//       |   |    \__| |   | ____) |    \__  |   |      \__! |   |  \__/     //
//                                 |                                         //

class TransferFunc : public Object {
  public:
                        TransferFunc    () {}
    virtual double      calc            (double x) const {MUST_OVERLOAD}
    virtual double      derivative      (double x) const {MUST_OVERLOAD}
  protected:
};

class SigmoidTFunc : public Object {
  public:
                        SigmoidTFunc    () {}
    virtual double      calc            (double x) const {return sigmoid(x);}
    virtual double      derivative      (double x) const {return x*(1-x);}
  protected:
};

#endif

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