/usr/include/root/RooFunctor.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 *
* @(#)root/roofitcore:$Id: RooFunctor.h 28259 2009-04-16 16:21:16Z wouter $
* 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_FUNCTOR
#define ROO_FUNCTOR
#include "RooArgSet.h"
#include "RooAbsReal.h"
class RooAbsFunc ;
class RooAbsPdf ;
class RooFunctor {
public:
RooFunctor(const RooAbsFunc& func) ;
RooFunctor(const RooAbsReal& func, const RooArgList& observables, const RooArgList& parameters) ;
RooFunctor(const RooAbsReal& func, const RooArgList& observables, const RooArgList& parameters, const RooArgSet& nset) ;
RooFunctor(const RooFunctor&) ;
virtual ~RooFunctor() ;
Int_t nObs() const {
// Number of observables
return _nobs ;
}
Int_t nPar() const {
// Number of parameters;
return _npar ;
}
//Int_t numCall() const { return _binding->numCall() ; }
//void resetNumCall() const { _binding->resetNumCall() ; }
Double_t operator()(Double_t x) const { return eval(x) ; }
Double_t operator()(const Double_t* x, const Double_t* p) const { return eval(x,p) ; }
Double_t operator()(const Double_t* x) const { return eval(x) ; }
Double_t eval(const Double_t* /*x*/, const Double_t* /*p*/) const ;
Double_t eval(const Double_t* /*x*/) const ;
Double_t eval(Double_t /*x*/) const ;
RooAbsFunc& binding() { return *_binding ; }
protected:
Bool_t _ownBinding ; // Do we own the binding function
RooArgSet _nset ; // Normalization observables
RooAbsFunc* _binding ; // Function binding
Double_t* _x ; //! Transfer array ;
Int_t _npar ; //! Number of parameters ;
Int_t _nobs ; //! Number of observables ;
ClassDef(RooFunctor,0) // Export RooAbsReal as functor
};
#endif
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