ROOT_528-00b_version: include/TFoamMaxwt.h Source File

00001 // @(#)root/foam:$Id: TFoamMaxwt.h 22726 2008-03-19 09:53:41Z pcanal $
00002 // Author: S. Jadach <mailto:Stanislaw.jadach@ifj.edu.pl>, P.Sawicki <mailto:Pawel.Sawicki@ifj.edu.pl>
00003 
00004 #ifndef ROOT_TFoamMaxwt
00005 #define ROOT_TFoamMaxwt
00006 
00007 //////////////////////////////////////////////////////////////////
00008 //                                                              //
00009 // Small auxiliary class for controlling MC weight.             //
00010 //                                                              //
00011 //////////////////////////////////////////////////////////////////
00012 
00013 #ifndef ROOT_TObject
00014 #include "TObject.h"
00015 #endif
00016 
00017 class TH1D;
00018 
00019 
00020 class TFoamMaxwt : public TObject {
00021 private:
00022    Double_t  fNent;      // No. of MC events
00023    Int_t     fnBin;      // No. of bins on the weight distribution
00024    Double_t  fwmax;      // Maximum analyzed weight
00025 public:
00026    TH1D   *fWtHst1;      // Histogram of the weight wt
00027    TH1D   *fWtHst2;      // Histogram of wt filled with wt
00028 
00029 public:
00030    TFoamMaxwt();                            // NOT IMPLEMENTED (NEVER USED)
00031    TFoamMaxwt(Double_t, Int_t);             // Principal Constructor
00032    TFoamMaxwt(TFoamMaxwt &From);            // Copy constructor
00033    virtual ~TFoamMaxwt();                   // Destructor
00034    void Reset();                            // Reset
00035    TFoamMaxwt& operator=(const TFoamMaxwt &);    // operator =
00036    void Fill(Double_t);
00037    void Make(Double_t, Double_t&);
00038    void GetMCeff(Double_t, Double_t&, Double_t&);  // get MC efficiency= <w>/wmax
00039 
00040    ClassDef(TFoamMaxwt,1); //Controlling of the MC weight (maximum weight)
00041 };
00042 #endif