/usr/include/root/RooCBShape.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: RooCBShape.h,v 1.11 2007/07/12 20:30:49 wouter 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_CB_SHAPE
#define ROO_CB_SHAPE
#include "RooAbsPdf.h"
#include "RooRealProxy.h"
class RooRealVar;
class RooCBShape : public RooAbsPdf {
public:
RooCBShape() {} ;
RooCBShape(const char *name, const char *title, RooAbsReal& _m,
RooAbsReal& _m0, RooAbsReal& _sigma,
RooAbsReal& _alpha, RooAbsReal& _n);
RooCBShape(const RooCBShape& other, const char* name = 0);
virtual TObject* clone(const char* newname) const { return new RooCBShape(*this,newname); }
inline virtual ~RooCBShape() { }
virtual Int_t getAnalyticalIntegral( RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0 ) const;
virtual Double_t analyticalIntegral( Int_t code, const char* rangeName=0 ) const;
// Optimized accept/reject generator support
virtual Int_t getMaxVal(const RooArgSet& vars) const ;
virtual Double_t maxVal(Int_t code) const ;
protected:
Double_t ApproxErf(Double_t arg) const ;
RooRealProxy m;
RooRealProxy m0;
RooRealProxy sigma;
RooRealProxy alpha;
RooRealProxy n;
Double_t evaluate() const;
private:
ClassDef(RooCBShape,1) // Crystal Ball lineshape PDF
};
#endif
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