/usr/include/root/RooChiSquarePdf.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: RooFitModels *
* File: $Id: RooChiSquarePdf.h 28259 2009-04-16 16:21:16Z wouter $
* Authors: *
* Kyle Cranmer
* *
* *
* 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_CHISQUARE
#define ROO_CHISQUARE
#include "RooAbsPdf.h"
#include "RooRealProxy.h"
class RooRealVar;
class RooArgList ;
class RooChiSquarePdf : public RooAbsPdf {
public:
RooChiSquarePdf() ;
RooChiSquarePdf(const char *name, const char *title,
RooAbsReal& x, RooAbsReal& ndof) ;
RooChiSquarePdf(const RooChiSquarePdf& other, const char* name = 0);
virtual TObject* clone(const char* newname) const { return new RooChiSquarePdf(*this, newname); }
inline virtual ~RooChiSquarePdf() { }
Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0) const ;
Double_t analyticalIntegral(Int_t code, const char* rangeName=0) const ;
private:
RooRealProxy _x;
RooRealProxy _ndof;
Double_t evaluate() const;
ClassDef(RooChiSquarePdf,1) // Chi Square distribution (eg. the PDF )
};
#endif
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