TGo4FitModelGaussN.h

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// $Id$
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
//                     Planckstr. 1, 64291 Darmstadt, Germany
// Contact:            http://go4.gsi.de
//-----------------------------------------------------------------------
// This software can be used under the license agreements as stated
// in Go4License.txt file which is part of the distribution.
//-----------------------------------------------------------------------
 
#ifndef TGO4FITMODELGAUSSN_H
#define TGO4FITMODELGAUSSN_H
 
#include "TGo4FitModel.h"
 
#include "TArrayI.h"
#include "TVectorD.h"
#include "TMatrixD.h"

class TGo4FitModelGaussN : public TGo4FitModel {
   public:

      TGo4FitModelGaussN();

      TGo4FitModelGaussN(const char *iName, Int_t iNDimension = 3);

      virtual ~TGo4FitModelGaussN();

      Int_t GetAxisNumbers() const { return fxIndexes.GetSize(); }

      Bool_t SetAxisNumbers(Int_t naxis);

      Int_t GetAxisForIndex(Int_t indx) const { return fxIndexes[indx]; }

      void SetAxisForIndex(Int_t indx, Int_t axis) { fxIndexes[indx] = axis; }

      Bool_t ResortIndexes(Int_t leaveaxis = -1);

      void FillMuVector(TVectorD &Mu);

      void FillSigmaMatrix(TMatrixD &Sigma);

      void Print(Option_t *option = "") const override;
 
      Bool_t BeforeEval(Int_t) override;
      Double_t EvalN(const Double_t *v) override;
 
   protected:
      TString GetPosParName(Int_t naxis);
      TString GetWidthParName(Int_t naxis);
      TString GetCovarParName(Int_t naxis1, Int_t naxis2);
 
      Int_t GetPosParIndex(Int_t naxis) override;
      Int_t GetWidthParIndex(Int_t naxis) override;
 
      void AfterEval() override;

      TArrayI fxIndexes;
 
   private:

      Int_t Par_ndim{0};                 

      Int_t *Par_indx{nullptr};                

      TVectorD *Vect_mu{nullptr};          

      TMatrixD *Matr_sig{nullptr};         

      TVectorD *Vect_x{nullptr};           

      TVectorD *Vect_dx{nullptr};          
 
   ClassDefOverride(TGo4FitModelGaussN,1)
};
#endif // TGO4FITMODELGAUSSN_H