Gaussian.h

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/* -*- mode: c++ -*- */

#ifndef _Gaussian_H_
#define _Gaussian_H_

#include "FunctionBase.h"

namespace hippodraw {

class MDL_HIPPOPLOT_API Gaussian : public FunctionBase
{

 private:

  enum { norm = 0, mean = 1, sigma = 2 };

protected:

  virtual void initialize ();

public:

  Gaussian ();

  Gaussian ( double norm, double mean, double sigma );

  virtual FunctionBase * clone () const;

  virtual double operator () ( double x ) const;

  virtual void initialParameters ( const FunctionHelper * helper );

protected:

  virtual double derivByParm ( int i, double x ) const;

private:

  double derivByNorm ( double x ) const;

  double derivByMean ( double x ) const;

  double derivBySigma ( double x ) const;

};

} // namespace hippodraw

#endif // _Gaussian_H_