/usr/include/root/RooFormula.h is in libroot-roofit-dev 5.34.00-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Project: RooFit *
* Package: RooFitCore *
* File: $Id: RooFormula.h,v 1.34 2007/05/11 09:11:30 verkerke Exp $
* Authors: *
* WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
* DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
* *
* Copyright (c) 2000-2005, Regents of the University of California *
* and Stanford University. All rights reserved. *
* *
* Redistribution and use in source and binary forms, *
* with or without modification, are permitted according to the terms *
* listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
*****************************************************************************/
#ifndef ROO_FORMULA
#define ROO_FORMULA
#include "Rtypes.h"
#include "TFormula.h"
#include "RooAbsReal.h"
#include "RooArgSet.h"
#include "RooPrintable.h"
#include "RooLinkedList.h"
#include <vector>
class RooFormula : public TFormula, public RooPrintable {
public:
// Constructors etc.
RooFormula() ;
RooFormula(const char* name, const char* formula, const RooArgList& varList);
RooFormula(const RooFormula& other, const char* name=0) ;
virtual TObject* Clone(const char* newName=0) const { return new RooFormula(*this,newName) ; }
virtual ~RooFormula();
// Dependent management
RooArgSet& actualDependents() const ;
Bool_t changeDependents(const RooAbsCollection& newDeps, Bool_t mustReplaceAll, Bool_t nameChange) ;
inline RooAbsArg* getParameter(const char* name) const {
// Return pointer to parameter with given name
return (RooAbsArg*) _useList.FindObject(name) ;
}
inline RooAbsArg* getParameter(Int_t index) const {
// Return pointer to parameter at given index
return (RooAbsArg*) _origList.At(index) ;
}
// Function value accessor
inline Bool_t ok() { return _isOK ; }
Double_t eval(const RooArgSet* nset=0) ;
// Debugging
void dump() ;
Bool_t reCompile(const char* newFormula) ;
virtual void printValue(ostream& os) const ;
virtual void printName(ostream& os) const ;
virtual void printTitle(ostream& os) const ;
virtual void printClassName(ostream& os) const ;
virtual void printArgs(ostream& os) const ;
void printMultiline(ostream& os, Int_t contents, Bool_t verbose=kFALSE, TString indent="") const ;
inline virtual void Print(Option_t *options= 0) const {
// Printing interface (human readable)
printStream(defaultPrintStream(),defaultPrintContents(options),defaultPrintStyle(options));
}
protected:
RooFormula& operator=(const RooFormula& other) ;
void initCopy(const RooFormula& other) ;
// Interface to TFormula engine
Int_t DefinedVariable(TString &name, int& action) ; // ROOT 4
Int_t DefinedVariable(TString &name) ; // ROOT 3
Double_t DefinedValue(Int_t code) ;
RooArgSet* _nset ;
mutable Bool_t _isOK ; // Is internal state OK?
RooLinkedList _origList ; //! Original list of dependents
std::vector<Bool_t> _useIsCat;//! Is given slot in _useList a category?
RooLinkedList _useList ; //! List of actual dependents
mutable RooArgSet _actual; //! Set of actual dependents
RooLinkedList _labelList ; // List of label names for category objects
mutable Bool_t _compiled ; // Flag set if formula is compiled
ClassDef(RooFormula,1) // TFormula derived class interfacing with RooAbsArg objects
};
#endif
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