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RooExtendedTerm.cxx
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1 /*****************************************************************************
2  * Project: RooFit *
3  * Package: RooFitCore *
4  * @(#)root/roofitcore:$Name: $:$Id$
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 
17 /**
18 \file RooExtendedTerm.cxx
19 \class RooExtendedTerm
20 \ingroup Roofitcore
21 
22 RooExtendedTerm is a p.d.f with no observables that only introduces
23 an extended ML term for a given number of expected events term when an extended ML
24 is constructed.
25 **/
26 
27 #include "RooFit.h"
28 #include "RooExtendedTerm.h"
29 
30 using namespace std;
31 
33 ;
34 
35 
36 ////////////////////////////////////////////////////////////////////////////////
37 /// Constructor
38 
40 {
41 }
42 
43 
44 
45 ////////////////////////////////////////////////////////////////////////////////
46 /// Constructor. An ExtendedTerm has no observables, it only introduces an extended
47 /// ML term with the given number of expected events when an extended ML is constructed
48 /// from this p.d.f.
49 
50 RooExtendedTerm::RooExtendedTerm(const char *name, const char *title, const RooAbsReal& n) :
51  RooAbsPdf(name,title),
52  _n("n","Nexpected",this,(RooAbsReal&)n)
53 {
54 }
55 
56 
57 
58 ////////////////////////////////////////////////////////////////////////////////
59 /// Copy constructor
60 
62  RooAbsPdf(other,name),
63  _n("n",this,other._n)
64 {
65 }
66 
67 
68 
69 ////////////////////////////////////////////////////////////////////////////////
70 /// Destructor
71 
73 {
74 }
75 
76 
77 ////////////////////////////////////////////////////////////////////////////////
78 /// Return number of expected events from associated event count variable
79 
81 {
82  return _n ;
83 }
84 
85 
86 
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:28
STL namespace.
virtual ~RooExtendedTerm()
Destructor.
RooExtendedTerm()
Constructor.
virtual Double_t expectedEvents(const RooArgSet *nset) const
Return number of expected events from associated event count variable.
#define ClassImp(name)
Definition: Rtypes.h:365
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:59
RooExtendedTerm is a p.d.f with no observables that only introduces an extended ML term for a given n...
RooAbsPdf, the base class of all PDFs
Definition: RooAbsPdf.h:40
const Int_t n
Definition: legend1.C:16
char name[80]
Definition: TGX11.cxx:109
RooRealProxy _n