TMinuit2TraceObject.h

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// @(#)root/minuit2:$Id$
// Author:  L. Moneta 2012
 
/**********************************************************************
 *                                                                    *
 * Copyright (c) 2012 LCG ROOT Math team,  CERN/PH-SFT                *
 *                                                                    *
 **********************************************************************/
 
#ifndef ROOT_TMinuit2TraceObject
#define ROOT_TMinuit2TraceObject
 
#include "TNamed.h"
#include "Minuit2/MnTraceObject.h"
 
class TH1;
class TVirtualPad;
class TList;
 
namespace ROOT {
 
namespace Minuit2 {
 
class MinimumState;
class MnUserParameterState;
 
} // namespace Minuit2
} // namespace ROOT
 
class TMinuit2TraceObject : public ROOT::Minuit2::MnTraceObject, public TNamed {
 
public:
   TMinuit2TraceObject(int parNumber = -1);
 
   ~TMinuit2TraceObject() override;
 
   void Init(const ROOT::Minuit2::MnUserParameterState &state) override;
 
   void operator()(int i, const ROOT::Minuit2::MinimumState &state) override;
 
   ClassDefOverride(TMinuit2TraceObject, 0) // Example Trace Object for Minuit2
 
      private :
 
      int fIterOffset;      // offset in iteration in case of combined minimizers
   TH1 *fHistoFval;         // Function value histogram
   TH1 *fHistoEdm;          // Edm histogram
   TList *fHistoParList;    // list of parameter values histograms
   TVirtualPad *fOldPad;    // old existing current pad
   TVirtualPad *fMinuitPad; // new pad with trace histograms
};
 
#endif // ROOT_TMinuit2TraceObject