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RooGenProdProj.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitCore *
4 * File: $Id: RooGenProdProj.h,v 1.7 2007/05/11 09:11:30 verkerke 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_GEN_PROD_PROJ
17#define ROO_GEN_PROD_PROJ
18
19#include "RooAbsReal.h"
20#include "RooSetProxy.h"
21#include "RooListProxy.h"
22
23class RooRealVar;
24class RooArgList ;
25
26class RooGenProdProj : public RooAbsReal {
27public:
28
30 RooGenProdProj(const char *name, const char *title, const RooArgSet& _prodSet, const RooArgSet& _intSet,
31 const RooArgSet& _normSet, const char* isetRangeName, const char* normRangeName=0, Bool_t doFactorize=kTRUE) ;
32
33 RooGenProdProj(const RooGenProdProj& other, const char* name = 0);
34 virtual TObject* clone(const char* newname) const { return new RooGenProdProj(*this, newname); }
35 virtual ~RooGenProdProj() ;
36
37protected:
38
39 RooAbsReal* makeIntegral(const char* name, const RooArgSet& compSet, const RooArgSet& intSet,
40 RooArgSet& saveSet, const char* isetRangeName, Bool_t doFactorize) ;
41
42 virtual void operModeHook() ;
43
44 Double_t evaluate() const;
45 RooArgSet* _compSetOwnedN ; // Owner of numerator components
46 RooArgSet* _compSetOwnedD ; // Owner of denominator components
47 RooSetProxy _compSetN ; // Set proxy for numerator components
48 RooSetProxy _compSetD ; // Set proxy for denominator components
49 RooListProxy _intList ; // Master integrals representing numerator and denominator
50 Bool_t _haveD ; // Do we have a denominator term?
51
52 ClassDef(RooGenProdProj,1) // General form of projected integral of product of PDFs, utility class for RooProdPdf
53};
54
55#endif
bool Bool_t
Definition: RtypesCore.h:61
double Double_t
Definition: RtypesCore.h:57
const Bool_t kTRUE
Definition: RtypesCore.h:89
#define ClassDef(name, id)
Definition: Rtypes.h:322
char name[80]
Definition: TGX11.cxx:109
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:60
RooArgList is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgList.h:21
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:28
RooGenProdProj is an auxiliary class for RooProdPdf that calculates a general normalised projection o...
virtual TObject * clone(const char *newname) const
virtual ~RooGenProdProj()
Destructor.
RooGenProdProj()
Default constructor.
RooSetProxy _compSetD
virtual void operModeHook()
Intercept cache mode operation changes and propagate them to the components.
Double_t evaluate() const
Calculate and return value of normalization projection.
RooListProxy _intList
RooArgSet * _compSetOwnedD
RooAbsReal * makeIntegral(const char *name, const RooArgSet &compSet, const RooArgSet &intSet, RooArgSet &saveSet, const char *isetRangeName, Bool_t doFactorize)
Utility function to create integral for product over certain observables.
RooArgSet * _compSetOwnedN
RooSetProxy _compSetN
RooListProxy is the concrete proxy for RooArgList objects.
Definition: RooListProxy.h:25
RooRealVar represents a variable that can be changed from the outside.
Definition: RooRealVar.h:35
RooSetProxy is the concrete proxy for RooArgSet objects.
Definition: RooSetProxy.h:24
Mother of all ROOT objects.
Definition: TObject.h:37