/usr/include/root/RooSecondMoment.h is in libroot-roofit-dev 5.34.30-0ubuntu8.
This file is owned by root:root, with mode 0o644.
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* Project: RooFit *
* Package: RooFitCore *
* File: $Id$
* 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_SECOND_MOMENT
#define ROO_SECOND_MOMENT
#include "RooAbsMoment.h"
#include "RooRealProxy.h"
#include "RooSetProxy.h"
class RooRealVar;
class RooArgList ;
class RooSecondMoment : public RooAbsMoment {
public:
RooSecondMoment() ;
RooSecondMoment(const char *name, const char *title, RooAbsReal& func, RooRealVar& x, Bool_t central=kFALSE, Bool_t takeRoot=kFALSE) ;
RooSecondMoment(const char *name, const char *title, RooAbsReal& func, RooRealVar& x, const RooArgSet& nset, Bool_t central=kFALSE, Bool_t takeRoot=kFALSE, Bool_t intNSet=kFALSE) ;
virtual ~RooSecondMoment() ;
RooSecondMoment(const RooSecondMoment& other, const char* name = 0);
virtual TObject* clone(const char* newname) const { return new RooSecondMoment(*this, newname); }
const RooAbsReal& xF() { return _xf.arg() ; }
const RooAbsReal& ixF() { return _ixf.arg() ; }
const RooAbsReal& iF() { return _if.arg() ; }
protected:
RooRealProxy _xf ; // (X-offset)*F
RooRealProxy _ixf ; // Int((X-offset)*F(X))dx ;
RooRealProxy _if ; // Int(F(x))dx ;
Double_t _xfOffset ; // offset
Double_t evaluate() const;
ClassDef(RooSecondMoment,1) // Representation of moment in a RooAbsReal in a given RooRealVar
};
#endif
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