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RooDataProjBinding.h
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1 /*****************************************************************************
2  * Project: RooFit *
3  * Package: RooFitCore *
4  * File: $Id: RooDataProjBinding.h,v 1.6 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_DATA_PROJ_BINDING
17 #define ROO_DATA_PROJ_BINDING
18 
19 #include "RooRealBinding.h"
20 class RooAbsReal ;
21 class RooAbsData ;
22 class RooSuperCategory ;
23 class Roo1DTable ;
24 
26 public:
27  RooDataProjBinding(const RooAbsReal &real, const RooAbsData& data, const RooArgSet &vars, const RooArgSet* normSet=0) ;
28  virtual ~RooDataProjBinding() ;
29 
30  virtual Double_t operator()(const Double_t xvector[]) const;
31 
32 protected:
33 
34  mutable Bool_t _first ; // Bit indicating if operator() has been called yet
35  const RooAbsReal* _real ; // Real function to be projected
36  const RooAbsData* _data ; // Dataset used for projection
37  const RooArgSet* _nset ; // Normalization set for real function
38 
39  RooSuperCategory* _superCat ; // Supercategory constructed from _data's category variables
40  Roo1DTable* _catTable ; // Supercategory table generated from _data
41 
42  ClassDef(RooDataProjBinding,0) // RealFunc/Dataset binding for data projection of a real function
43 };
44 
45 #endif
46 
adaptor that projects a real function via summation of states provided in a dataset.
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:28
RooDataProjBinding(const RooAbsReal &real, const RooAbsData &data, const RooArgSet &vars, const RooArgSet *normSet=0)
Constructor of a data weighted average function binding with variables 'vars' for function 'real' and...
RooSuperCategory * _superCat
const RooArgSet * _nset
#define ClassDef(name, id)
Definition: Rtypes.h:322
virtual Double_t operator()(const Double_t xvector[]) const
Evaluate data-projected values of the bound real function.
RooAbsData is the common abstract base class for binned and unbinned datasets.
Definition: RooAbsData.h:44
const RooAbsData * _data
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:60
virtual ~RooDataProjBinding()
Destructor, delete owned objects.
const RooAbsReal * _real
The RooSuperCategory can join several RooAbsCategoryLValue objects into a single category.
Lightweight interface adaptor that binds a RooAbsReal object to a subset of its servers and present i...
Roo1DTable implements a one-dimensional table.
Definition: Roo1DTable.h:23