ROOT_528-00b_version: include/RooConvGenContext.h Source File

00001 /*****************************************************************************
00002  * Project: RooFit                                                           *
00003  * Package: RooFitCore                                                       *
00004  *    File: $Id: RooConvGenContext.h,v 1.12 2007/05/11 09:11:30 verkerke Exp $
00005  * Authors:                                                                  *
00006  *   WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu       *
00007  *   DK, David Kirkby,    UC Irvine,         dkirkby@uci.edu                 *
00008  *                                                                           *
00009  * Copyright (c) 2000-2005, Regents of the University of California          *
00010  *                          and Stanford University. All rights reserved.    *
00011  *                                                                           *
00012  * Redistribution and use in source and binary forms,                        *
00013  * with or without modification, are permitted according to the terms        *
00014  * listed in LICENSE (http://roofit.sourceforge.net/license.txt)             *
00015  *****************************************************************************/
00016 #ifndef ROO_CONV_GEN_CONTEXT
00017 #define ROO_CONV_GEN_CONTEXT
00018 
00019 #include "RooAbsGenContext.h"
00020 #include "RooArgSet.h"
00021 
00022 class RooAbsAnaConvPdf;
00023 class RooDataSet;
00024 class RooRealIntegral;
00025 class RooAcceptReject;
00026 class TRandom;
00027 class TIterator;
00028 class RooRealVar ;
00029 class RooNumConvPdf ;
00030 class RooFFTConvPdf ;
00031 
00032 class RooConvGenContext : public RooAbsGenContext {
00033 public:
00034   RooConvGenContext(const RooFFTConvPdf &model, const RooArgSet &vars, const RooDataSet *prototype= 0,
00035                     const RooArgSet* auxProto=0, Bool_t _verbose= kFALSE);
00036   RooConvGenContext(const RooNumConvPdf &model, const RooArgSet &vars, const RooDataSet *prototype= 0,
00037                     const RooArgSet* auxProto=0, Bool_t _verbose= kFALSE);
00038   RooConvGenContext(const RooAbsAnaConvPdf &model, const RooArgSet &vars, const RooDataSet *prototype= 0,
00039                     const RooArgSet* auxProto=0, Bool_t _verbose= kFALSE);
00040   virtual ~RooConvGenContext();
00041 
00042   virtual void setProtoDataOrder(Int_t* lut) ;
00043 
00044   virtual void attach(const RooArgSet& params) ;
00045 
00046   virtual void printMultiline(ostream &os, Int_t content, Bool_t verbose=kFALSE, TString indent="") const ;
00047 
00048 
00049 protected:
00050 
00051   virtual void initGenerator(const RooArgSet &theEvent);
00052   virtual void generateEvent(RooArgSet &theEvent, Int_t remaining);
00053 
00054   RooConvGenContext(const RooConvGenContext& other) ;
00055 
00056   RooAbsGenContext* _pdfGen ;   // Physics model generator context
00057   RooAbsGenContext* _modelGen ; // Resolution model generator context
00058   TString _convVarName ;        // Name of convolution variable
00059   RooArgSet* _pdfVarsOwned ;    // Owning version of pdfVars ;
00060   RooArgSet* _modelVarsOwned ;  // Owning version of modelVars ;
00061   RooArgSet* _pdfVars ;         // Holder of PDF x truth event
00062   RooArgSet* _modelVars ;       // Holder of resModel event
00063   RooArgSet* _pdfCloneSet ;     // Owner of PDF clone
00064   RooArgSet* _modelCloneSet ;   // Owner of resModel clone
00065   RooRealVar* _cvModel ;         // Convolution variable in resModel event
00066   RooRealVar* _cvPdf ;           // Convolution variable in PDFxTruth event
00067   RooRealVar* _cvOut ;           // Convolution variable in output event
00068 
00069   ClassDef(RooConvGenContext,0) // Context for generating a dataset from a PDF
00070 };
00071 
00072 #endif