TFormula

class description - source file - inheritance tree

class TFormula : public TNamed


    protected:

                void ClearFormula(Option_t* option)
               Int_t GetOperType(Int_t oper) const
              Bool_t IsInitialized()
      virtual Bool_t IsString(Int_t oper) const

    public:

                          TFormula(const char* name, const char* formula)
                          TFormula(const TFormula& formula)
                          TFormula()
                  virtual ~TFormula()
             virtual void Analyze(const char* schain, Int_t& err, Int_t offset = 0)
           virtual Bool_t AnalyzeFunction(TString& chaine, Int_t& err, Int_t offset = 0)
           static TClass* Class()
             virtual void Clear(Option_t* option)
            virtual Int_t Compile(const char* expression)
             virtual void Copy(TObject& formula) const
            virtual char* DefinedString(Int_t code)
         virtual Double_t DefinedValue(Int_t code)
            virtual Int_t DefinedVariable(TString& variable)
         virtual Double_t Eval(Double_t x, Double_t y = 0, Double_t z = 0, Double_t t = 0)
         virtual Double_t EvalPar(const Double_t* x, const Double_t* params = 0)
          virtual TString GetExpFormula() const
            virtual Int_t GetNdim() const
            virtual Int_t GetNpar() const
            virtual Int_t GetNumber() const
                 Double_t GetParameter(Int_t ipar) const
                 Double_t GetParameter(const char* name) const
        virtual Double_t* GetParameters() const
             virtual void GetParameters(Double_t* params)
      virtual const char* GetParName(Int_t ipar) const
            virtual Int_t GetParNumber(const char* name) const
          virtual TClass* IsA() const
                TFormula& operator=(const TFormula& rhs)
             virtual void Print(Option_t* option) const
             virtual void SetNumber(Int_t number)
             virtual void SetParameter(const char* name, Double_t parvalue)
             virtual void SetParameter(Int_t ipar, Double_t parvalue)
             virtual void SetParameters(const Double_t* params)
             virtual void SetParameters(Double_t p0, Double_t p1, Double_t p2 = 0, Double_t p3 = 0, Double_t p4 = 0, Double_t p5 = 0, Double_t p6 = 0, Double_t p7 = 0, Double_t p8 = 0, Double_t p9 = 0, Double_t p10 = 0)
             virtual void SetParName(Int_t ipar, const char* name)
             virtual void SetParNames(const char* name0 = "p0", const char* name1 = "p1", const char* name2 = "p2", const char* name3 = "p3", const char* name4 = "p4", const char* name5 = "p5", const char* name6 = "p6", const char* name7 = "p7", const char* name8 = "p8", const char* name9 = "p9", const char* name10 = "p10")
             virtual void ShowMembers(TMemberInspector& insp, char* parent)
             virtual void Streamer(TBuffer& b)
                     void StreamerNVirtual(TBuffer& b)
             virtual void Update()

Data Members


    protected:

          Int_t fNdim          Dimension of function (1=1-Dim, 2=2-Dim,etc)
          Int_t fNpar          Number of parameters
          Int_t fNoper         Number of operators
          Int_t fNconst        Number of constants
          Int_t fNumber        formula number identifier
          Int_t fNval          Number of different variables in expression
          Int_t fNstring       Number of different constants character strings
       TString* fExpr          [fNoper] List of expressions
         Int_t* fOper          [fNoper] List of operators
      Double_t* fConst         [fNconst] Array of fNconst formula constants
      Double_t* fParams        [fNpar] Array of fNpar parameters
       TString* fNames         [fNpar] Array of parameter names
      TObjArray fFunctions     Array of function calls to make
          TBits fAlreadyFound  ! cache for information

    public:

      static const enum TFormula:: kConstants     
      static const enum TFormula:: kStrings       
      static const enum TFormula:: kVariable      
      static const enum TFormula:: kFunctionCall  
      static const enum TFormula:: kNotGlobal     
      static const enum TFormula:: kInitialized

See also

TF1

Class Description


Last update: Fri May 14 13:32:38 2004

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