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RooRecursiveFraction.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitCore *
4 * File: $Id$
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#ifndef ROO_RECURSIVE_FRACTION
17#define ROO_RECURSIVE_FRACTION
18
19#include "RooAbsReal.h"
20#include "RooListProxy.h"
21
22class RooRealVar;
23class RooArgList ;
24
26public:
27
29 RooRecursiveFraction(const char *name, const char *title, const RooArgList& fracSet) ;
30 ~RooRecursiveFraction() override ;
31
32 RooRecursiveFraction(const RooRecursiveFraction& other, const char* name = 0);
33 TObject* clone(const char* newname) const override { return new RooRecursiveFraction(*this, newname); }
34
35protected:
36
38
39 double evaluate() const override;
40
41 ClassDefOverride(RooRecursiveFraction,1) // Recursive fraction formula f1*(1-f2)*(1-f3) etc...
42} ;
43
44#endif
#define ClassDefOverride(name, id)
Definition: Rtypes.h:339
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:64
RooArgList is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgList.h:22
RooRealVar represents a variable that can be changed from the outside.
Definition: RooRealVar.h:40
Class RooRecursiveFraction is a RooAbsReal implementation that calculates the plain fraction of sum o...
~RooRecursiveFraction() override
Destructor.
double evaluate() const override
Calculate and return value of .
TObject * clone(const char *newname) const override
RooRecursiveFraction()
Default constructor.
Mother of all ROOT objects.
Definition: TObject.h:37