Go4Fit/TGo4FitModelFormula.h
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00001 // $Id: TGo4FitModelFormula.h 478 2009-10-29 12:26:09Z linev $ 00002 //----------------------------------------------------------------------- 00003 // The GSI Online Offline Object Oriented (Go4) Project 00004 // Experiment Data Processing at EE department, GSI 00005 //----------------------------------------------------------------------- 00006 // Copyright (C) 2000- GSI Helmholtzzentrum für Schwerionenforschung GmbH 00007 // Planckstr. 1, 64291 Darmstadt, Germany 00008 // Contact: http://go4.gsi.de 00009 //----------------------------------------------------------------------- 00010 // This software can be used under the license agreements as stated 00011 // in Go4License.txt file which is part of the distribution. 00012 //----------------------------------------------------------------------- 00013 00014 #ifndef TGO4FITMODELFORMULA_H 00015 #define TGO4FITMODELFORMULA_H 00016 00017 #include "TGo4FitModel.h" 00018 00019 class TFormula; 00020 00028 class TGo4FitModelFormula : public TGo4FitModel { 00029 public: 00030 00034 TGo4FitModelFormula(); 00035 00040 TGo4FitModelFormula(const char* iName, const char* iExpressionStr = "", Int_t iNPars = 0, Bool_t AddAmplitude = kFALSE); 00041 00045 virtual ~TGo4FitModelFormula(); 00046 00050 virtual Bool_t CanAmplTouch() { return kTRUE; } 00051 00055 const char* GetExpression() { return fxExpression.Data(); } 00056 00060 void SetExpression(const char* expr) { fxExpression = expr; } 00061 00065 Int_t GetNumberOfExprPar(); 00066 00070 Bool_t SetNumberOfExprPar(Int_t num); 00071 00072 void SetPosParIndex(Int_t naxis, Int_t indx = -1); 00073 void SetWidthParIndex(Int_t naxis, Int_t indx = -1); 00074 00075 virtual Bool_t BeforeEval(Int_t ndim); 00076 virtual Double_t EvalN(const Double_t* v); 00077 virtual void AfterEval(); 00078 00082 virtual void Print(Option_t* option) const; 00083 00084 protected: 00085 00086 virtual Bool_t Initialize(Int_t UseBuffers = -1); 00087 virtual void Finalize(); 00088 00089 TGo4FitParameter* GetExprPar(Int_t n); 00090 TString GetExprParName(Int_t n); 00091 00092 Bool_t CompileFormula(); 00093 void CloseFormula(); 00094 00095 virtual Int_t GetPosParIndex(Int_t naxis); 00096 virtual Int_t GetWidthParIndex(Int_t naxis); 00097 00101 TString fxExpression; 00102 00103 TArrayI fxPosIndex; 00104 00105 TArrayI fxWidthIndex; 00106 00110 TFormula *fxFormula; 00111 private: 00112 00116 Int_t Par_ndim; 00117 00118 ClassDef(TGo4FitModelFormula,1) 00119 }; 00120 #endif // TGO4FITMODELFORMULA_H
