LogNormal.h

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00001 /* -*- mode: c++ -*- */
00002 
00014 #ifndef _LogNormal_H_
00015 #define _LogNormal_H_
00016 
00017 #include "FunctionBase.h"
00018 
00019 namespace hippodraw {
00020 
00028 class MDL_HIPPOPLOT_API LogNormal : public FunctionBase
00029 {
00030  private:
00031 
00034   enum { norm = 0, mu = 1, sigma = 2 };
00035 
00036  protected:
00037 
00039   virtual void initialize ();
00040 
00041   virtual double derivByParm ( int i, double x ) const;
00042 
00043 public:
00044 
00046   LogNormal ();
00047 
00051   LogNormal ( double norm, double mu, double sigma );
00052 
00053   virtual FunctionBase * clone () const;
00054 
00056   virtual double operator () ( double x ) const;
00057 
00058   virtual void initialParameters ( const FunctionHelper * helper );
00059 
00064   virtual bool hasDerivatives () const;
00065 
00066 };
00067 
00068 } // namespace hippodraw
00069 
00070 #endif // _LogNormal_H_

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