BrokenPowerLaw.h

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00001 /* -*- mode: c++ -*- */
00002 
00013 #ifndef _BrokenPowerLaw_H_
00014 #define _BrokenPowerLaw_H_
00015 
00016 #include "FunctionBase.h"
00017 
00018 namespace hippodraw {
00019 
00027 class MDL_HIPPOPLOT_API BrokenPowerLaw : public FunctionBase
00028 {
00029 
00030 protected:
00031 
00033   virtual void initialize ();
00034 
00035 public:
00036 
00038   BrokenPowerLaw ();
00039 
00041   BrokenPowerLaw ( double prefactor, double index1, 
00042                     double index2, double x_break );
00043 
00044   virtual FunctionBase * clone () const;
00045 
00047   virtual double operator () ( double x ) const;
00048 
00049   virtual void initialParameters ( const FunctionHelper * helper );
00050 
00051 protected:
00052 
00053   virtual double derivByParm ( int i, double x ) const;
00054 
00055 };
00056 
00057 } // namespace hippodraw
00058 
00059 #endif // _BrokenPowerLaw_H_

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