TF1Derivative.h

 
#ifndef __TF1DERIVATIVE_H
#define __TF1DERIVATIVE_H
 
#include "TF1.h"
 
class TF1Derivative : public TF1 {
   TF1* fFunction;
   int fOrder;
 
public:
   TF1Derivative();
   TF1Derivative(TF1* func, int order = 1);
   virtual ~TF1Derivative();
   void Copy(TObject& obj) const;
 
   Double_t EvalPar(const Double_t* x, const Double_t* params = 0);
 
   ClassDef(TF1Derivative, 1) //Numerical derivative of a TF1
};
 
#endif