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RooBifurGauss.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitModels *
4 * File: $Id: RooBifurGauss.h,v 1.12 2007/07/12 20:30:49 wouter Exp $
5 * Authors: *
6 * Abi Soffer, Colorado State University, abi@slac.stanford.edu *
7 * *
8 * Copyright (c) 2000-2005, Regents of the University of California, *
9 * Colorado State University *
10 * and Stanford University. All rights reserved. *
11 * *
12 * Redistribution and use in source and binary forms, *
13 * with or without modification, are permitted according to the terms *
14 * listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
15 *****************************************************************************/
16#ifndef ROO_BIFUR_GAUSS
17#define ROO_BIFUR_GAUSS
18
19#include "RooAbsPdf.h"
20#include "RooRealProxy.h"
21
22class RooRealVar;
23
24class RooBifurGauss : public RooAbsPdf {
25public:
27 RooBifurGauss(const char *name, const char *title, RooAbsReal& _x,
28 RooAbsReal& _mean, RooAbsReal& _sigmaL, RooAbsReal& _sigmaR);
29
30 RooBifurGauss(const RooBifurGauss& other, const char* name=0) ;
31 virtual TObject* clone(const char* newname) const { return new RooBifurGauss(*this,newname); }
32 inline virtual ~RooBifurGauss() { }
33
34 Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0) const ;
35 Double_t analyticalIntegral(Int_t code, const char* rangeName=0) const ;
36
37
38protected:
39
44
45 Double_t evaluate() const;
47
48
49private:
50
51 ClassDef(RooBifurGauss,1) // Bifurcated Gaussian PDF
52};
53
54#endif
int Int_t
Definition: RtypesCore.h:45
double Double_t
Definition: RtypesCore.h:59
#define ClassDef(name, id)
Definition: Rtypes.h:325
char name[80]
Definition: TGX11.cxx:110
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:61
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:35
Bifurcated Gaussian p.d.f with different widths on left and right side of maximum value.
Definition: RooBifurGauss.h:24
RooSpan< double > evaluateSpan(RooBatchCompute::RunContext &evalData, const RooArgSet *normSet) const
Compute multiple values of BifurGauss distribution.
RooRealProxy mean
Definition: RooBifurGauss.h:41
virtual ~RooBifurGauss()
Definition: RooBifurGauss.h:32
RooRealProxy sigmaL
Definition: RooBifurGauss.h:42
Int_t getAnalyticalIntegral(RooArgSet &allVars, RooArgSet &analVars, const char *rangeName=0) const
Interface function getAnalyticalIntergral advertises the analytical integrals that are supported.
Double_t evaluate() const
Evaluate this PDF / function / constant. Needs to be overridden by all derived classes.
virtual TObject * clone(const char *newname) const
Definition: RooBifurGauss.h:31
RooRealProxy sigmaR
Definition: RooBifurGauss.h:43
Double_t analyticalIntegral(Int_t code, const char *rangeName=0) const
Implements the actual analytical integral(s) advertised by getAnalyticalIntegral.
RooRealProxy x
Definition: RooBifurGauss.h:40
RooRealVar represents a variable that can be changed from the outside.
Definition: RooRealVar.h:39
A simple container to hold a batch of data values.
Definition: RooSpan.h:34
Mother of all ROOT objects.
Definition: TObject.h:37
This struct enables passing computation data around between elements of a computation graph.
Definition: RunContext.h:31