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RooGaussStepBernstein.h
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RooGaussStepBernstein.h
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/*****************************************************************************
* Project: RooFit *
* Package: RooFitModels *
* File: $Id: RooStepBernstein.h 28259 2009-04-16 16:21:16Z wouter $
* Authors: *
* Kyle Cranmer (L. Gray for step function and gaussian convoluion piece)
* *
* *
* 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_GAUSSSTEPBERNSTEIN
#define ROO_GAUSSSTEPBERNSTEIN
#include "RooAbsPdf.h"
#include "RooRealProxy.h"
#include "RooListProxy.h"
class RooRealVar;
class RooArgList ;
class RooGaussStepBernstein : public RooAbsPdf {
public:
RooGaussStepBernstein() ;
RooGaussStepBernstein(const char *name, const char *title,
RooAbsReal& _x, RooAbsReal& _mean,
RooAbsReal& _sigma, RooAbsReal& _stepVal,
const RooArgList& _coefList) ;
RooGaussStepBernstein(const RooGaussStepBernstein& other,
const char* name = 0);
virtual TObject* clone(const char* newname) const
{ return new RooGaussStepBernstein(*this, newname); }
inline virtual ~RooGaussStepBernstein() { }
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 _mean,_sigma,_stepVal;
RooListProxy _coefList ;
Double_t evaluate() const;
// Bernstein polynomial PDF with step function convoluted with gaussian
ClassDef(RooGaussStepBernstein,1)
};
#endif