StarRoot/TH1Helper.h

#ifndef ROOT_TH1Helper
#define ROOT_TH1Helper


//                                                                      //
// TH1Helper                                                             //
//                                                                      //
//                                                                      //
#include "TH1.h"

class TH1Helper: public TObject
{
public:
   TH1Helper(const TH1 *h=0, int binMin=0, int binMax=0);
   TH1Helper(const TH1 *h, double xMin, double xMax);
  ~TH1Helper();

void   Set(const TH1 *h, int binMin, int binMax);
void   Set(const TH1 *h, double xMin, double xMax);
double GetMean()     ; 
double GetMeanErr()  ; 
double GetRMS    ()  ;
double GetRMSErr ()  ;
int    GetNonZeros() const; 
double GetIntegral() ; 
double GetIntegErr() ;


private:
void   Build();
void   Aver ();

//              Data members
   const TH1* fH1;
   int        fBMin;
   int        fBMax;
   double     fXMin;
   double     fXMax;
   int        fNonZeros;
   double     fMom[5];
   ClassDef(TH1Helper,0)

};
#endif //ROOT_TH1Helper

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