TGo4FitModelGauss1.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 TGO4FITMODELGAUSS1_H
#define TGO4FITMODELGAUSS1_H
 
#include "TGo4FitModel.h"

class TGo4FitModelGauss1 : public TGo4FitModel {
   public:

      TGo4FitModelGauss1();

      TGo4FitModelGauss1(const char *iName, Double_t iPosition = 1., Double_t iWidth = 1., Int_t iNaxis = 0);

      virtual ~TGo4FitModelGauss1();

      Int_t GetNumAxis() const { return fiNaxis; }

      void SetNumAxis(Int_t n) { if(n >= 0) fiNaxis = n; }

      void Print(Option_t *option = "") const override;
 
      Double_t Integral() override;
 
      Bool_t BeforeEval(Int_t ndim) override;
      Double_t EvalN(const Double_t *v) override;
 
   protected:
      Int_t GetPosParIndex(Int_t naxis) override { return (naxis==fiNaxis) ? 1 : -1; }
      Int_t GetWidthParIndex(Int_t naxis) override { return (naxis==fiNaxis) ? 2 : -1; }

      Int_t fiNaxis{0};
 
   private:

      Double_t Par_x0{0.};            

      Double_t Par_k{0.};             
 
   ClassDefOverride(TGo4FitModelGauss1,1)
};
 
#endif // TGO4FITMODELGAUSS1_H