BrokenPowerLaw.h

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

#ifndef _BrokenPowerLaw_H_
#define _BrokenPowerLaw_H_

#include "FunctionBase.h"

namespace hippodraw {

class MDL_HIPPOPLOT_API BrokenPowerLaw : public FunctionBase
{

protected:

  virtual void initialize ();

public:

  BrokenPowerLaw ();

  BrokenPowerLaw ( double prefactor, double index1, 
                    double index2, double x_break );

  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;

};

} // namespace hippodraw

#endif // _BrokenPowerLaw_H_