TFoamMaxwt.h

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// @(#)root/foam:$Id$
// Author: S. Jadach <mailto:Stanislaw.jadach@ifj.edu.pl>, P.Sawicki <mailto:Pawel.Sawicki@ifj.edu.pl>
 
#ifndef ROOT_TFoamMaxwt
#define ROOT_TFoamMaxwt
 
//////////////////////////////////////////////////////////////////
//                                                              //
// Small auxiliary class for controlling MC weight.             //
//                                                              //
//////////////////////////////////////////////////////////////////
 
#include "TObject.h"
 
class TH1D;
 
 
class TFoamMaxwt : public TObject {
private:
   Double_t  fNent;      // No. of MC events
   Int_t     fnBin;      // No. of bins on the weight distribution
   Double_t  fwmax;      // Maximum analyzed weight
public:
   TH1D   *fWtHst1;      // Histogram of the weight wt
   TH1D   *fWtHst2;      // Histogram of wt filled with wt
 
public:
   TFoamMaxwt();                            // NOT IMPLEMENTED (NEVER USED)
   TFoamMaxwt(Double_t, Int_t);             // Principal Constructor
   TFoamMaxwt(TFoamMaxwt &From);            // Copy constructor
   virtual ~TFoamMaxwt();                   // Destructor
   void Reset();                            // Reset
   TFoamMaxwt& operator=(const TFoamMaxwt &);    // operator =
   void Fill(Double_t);
   void Make(Double_t, Double_t&);
   void GetMCeff(Double_t, Double_t&, Double_t&);  // get MC efficiency= <w>/wmax
 
   ClassDef(TFoamMaxwt,1); //Controlling of the MC weight (maximum weight)
};
#endif