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RooLandau.h
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1 /*****************************************************************************
2  * Project: RooFit *
3  * Package: RooFitModels *
4  * File: $Id: RooLandau.h,v 1.5 2007/07/12 20:30:49 wouter Exp $
5  * Authors: *
6  * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
7  * DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
8  * *
9  * Copyright (c) 2000-2005, Regents of the University of California *
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_LANDAU
17 #define ROO_LANDAU
18 
19 #include "RooAbsPdf.h"
20 #include "RooRealProxy.h"
21 
22 class RooRealVar;
23 
24 class RooLandau : public RooAbsPdf {
25 public:
26  RooLandau() {} ;
27  RooLandau(const char *name, const char *title, RooAbsReal& _x, RooAbsReal& _mean, RooAbsReal& _sigma);
28  RooLandau(const RooLandau& other, const char* name=0);
29  virtual TObject* clone(const char* newname) const { return new RooLandau(*this,newname); }
30  inline virtual ~RooLandau() { }
31 
32  Int_t getGenerator(const RooArgSet& directVars, RooArgSet &generateVars, Bool_t staticInitOK=kTRUE) const;
33  void generateEvent(Int_t code);
34 
35 protected:
36 
40 
41  Double_t evaluate() const ;
42 
43 private:
44 
45  ClassDef(RooLandau,1) // Landau Distribution PDF
46 };
47 
48 #endif
virtual ~RooLandau()
Definition: RooLandau.h:30
RooLandau()
Definition: RooLandau.h:26
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
Landau Distribution p.d.f.
Definition: RooLandau.h:24
RooRealProxy mean
Definition: RooLandau.h:38
#define ClassDef(name, id)
Definition: Rtypes.h:254
void generateEvent(Int_t code)
Interface for generation of anan event using the algorithm corresponding to the specified code...
Definition: RooLandau.cxx:80
Int_t getGenerator(const RooArgSet &directVars, RooArgSet &generateVars, Bool_t staticInitOK=kTRUE) const
Load generatedVars with the subset of directVars that we can generate events for, and return a code t...
Definition: RooLandau.cxx:71
RooRealVar represents a fundamental (non-derived) real valued object.
Definition: RooRealVar.h:37
TPaveLabel title(3, 27.1, 15, 28.7,"ROOT Environment and Tools")
virtual TObject * clone(const char *newname) const
Definition: RooLandau.h:29
RooRealProxy x
Definition: RooLandau.h:37
double Double_t
Definition: RtypesCore.h:55
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:53
#define name(a, b)
Definition: linkTestLib0.cpp:5
Mother of all ROOT objects.
Definition: TObject.h:58
RooAbsPdf is the abstract interface for all probability density functions The class provides hybrid a...
Definition: RooAbsPdf.h:41
RooRealProxy is the concrete proxy for RooAbsReal objects A RooRealProxy is the general mechanism to ...
Definition: RooRealProxy.h:23
Double_t evaluate() const
Definition: RooLandau.cxx:63
const Bool_t kTRUE
Definition: Rtypes.h:91
RooRealProxy sigma
Definition: RooLandau.h:39