include/root/RooDataProjBinding.h

0001 /*****************************************************************************
0002  * Project: RooFit                                                           *
0003  * Package: RooFitCore                                                       *
0004  *    File: $Id: RooDataProjBinding.h,v 1.6 2007/05/11 09:11:30 verkerke Exp $
0005  * Authors:                                                                  *
0006  *   WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu       *
0007  *   DK, David Kirkby,    UC Irvine,         dkirkby@uci.edu                 *
0008  *                                                                           *
0009  * Copyright (c) 2000-2005, Regents of the University of California          *
0010  *                          and Stanford University. All rights reserved.    *
0011  *                                                                           *
0012  * Redistribution and use in source and binary forms,                        *
0013  * with or without modification, are permitted according to the terms        *
0014  * listed in LICENSE (http://roofit.sourceforge.net/license.txt)             *
0015  *****************************************************************************/
0016 #ifndef ROO_DATA_PROJ_BINDING
0017 #define ROO_DATA_PROJ_BINDING
0018
0019 #include "RooRealBinding.h"
0020 class RooAbsReal ;
0021 class RooAbsData ;
0022 class RooSuperCategory ;
0023 class Roo1DTable ;
0024
0025 class RooDataProjBinding : public RooRealBinding {
0026 public:
0027   RooDataProjBinding(const RooAbsReal &real, const RooAbsData& data, const RooArgSet &vars, const RooArgSet* normSet=nullptr) ;
0028   ~RooDataProjBinding() override ;
0029
0030   double operator()(const double xvector[]) const override;
0031
0032 protected:
0033
0034   mutable bool _first   ;  ///< Bit indicating if operator() has been called yet
0035   const RooAbsReal* _real ;  ///< Real function to be projected
0036   const RooAbsData* _data ;  ///< Dataset used for projection
0037   const RooArgSet*  _nset ;  ///< Normalization set for real function
0038
0039   std::unique_ptr<RooSuperCategory> _superCat; ///< Supercategory constructed from _data's category variables
0040   std::unique_ptr<Roo1DTable> _catTable;       ///< Supercategory table generated from _data
0041
0042   ClassDefOverride(RooDataProjBinding,0) // RealFunc/Dataset binding for data projection of a real function
0043 };
0044
0045 #endif
0046