library: libRooFit
#include "RooFormulaVar.h"

RooFormulaVar

class description - header file - source file - inheritance tree (.pdf)

class RooFormulaVar : public RooAbsReal

Inheritance Chart:

TObject

TNamed

RooPrintable

RooAbsArg

RooAbsReal

RooFormulaVar


    protected:

      virtual Double_t evaluate() const
           RooFormula& formula() const
        virtual Bool_t isValidReal(Double_t value, Bool_t printError) const
        virtual Bool_t redirectServersHook(const RooAbsCollection& newServerList, Bool_t mustReplaceAll, Bool_t nameChange, Bool_t isRecursive)

    public:

                       RooFormulaVar()
                       RooFormulaVar(const char* name, const char* title, const char* formula, const RooArgList& dependents)
                       RooFormulaVar(const char* name, const char* title, const RooArgList& dependents)
                       RooFormulaVar(const RooFormulaVar& other, const char* name = "0")
               virtual ~RooFormulaVar()
        static TClass* Class()
      virtual TObject* clone(const char* newname) const
      virtual Double_t defaultErrorLevel() const
                  void dumpFormula()
            RooAbsArg* getParameter(const char* name) const
            RooAbsArg* getParameter(Int_t index) const
       virtual TClass* IsA() const
                Bool_t ok() const
          virtual void printToStream(ostream& os, RooPrintable::PrintOption opt = Standard, TString indent = ) const
        virtual Bool_t readFromStream(istream& is, Bool_t compact, Bool_t verbose = kFALSE)
          virtual void ShowMembers(TMemberInspector& insp, char* parent)
          virtual void Streamer(TBuffer& b)
                  void StreamerNVirtual(TBuffer& b)
          virtual void writeToStream(ostream& os, Bool_t compact) const

Data Members


    protected:

      RooListProxy _actualVars  
       RooFormula* _formula     Formula engine 
           TString _formExpr

Class Description

RooFormulaVar(const char *name, const char *title, const char* formula, const RooArgList& dependents)

 Constructor with formula expression and list of input variables
   RooFormula tmpFormula(name,formula,dependents) ;

RooFormulaVar(const char *name, const char *title, const RooArgList& dependents)

 Constructor with formula expression, title and list of input variables
   RooFormula tmpFormula(name,title,dependents) ;

RooFormulaVar(const RooFormulaVar& other, const char* name)

 Copy constructor

~RooFormulaVar()

 Destructor

RooFormula& formula()

Double_t evaluate()

 Calculate current value of object

void printToStream(ostream& os, PrintOption opt, TString indent)

 Print info about this object to the specified stream.

void writeToStream(ostream& os, Bool_t compact)

 Write object contents to given stream

Double_t defaultErrorLevel()

 See if we contain a RooNLLVar or RooChi2Var object

inline RooFormulaVar()

 Constructors, assignment etc

TObject* clone(const char* newname)

Bool_t ok()

RooAbsArg* getParameter(const char* name)

RooAbsArg* getParameter(Int_t index)

Bool_t readFromStream(istream& is, Bool_t compact, Bool_t verbose=kFALSE)

 I/O streaming interface (machine readable)

void dumpFormula()

 Debugging

Bool_t redirectServersHook(const RooAbsCollection& newServerList, Bool_t mustReplaceAll, Bool_t nameChange, Bool_t isRecursive)

 Post-processing of server redirection

Bool_t isValidReal(Double_t value, Bool_t printError)

Last update: Tue Jul 11 11:45:38 2006
Copyright (c) 2000-2005, Regents of the University of California *

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