RooGenProdProj.h

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/*****************************************************************************
 * Project: RooFit                                                           *
 * Package: RooFitCore                                                       *
 *    File: $Id: RooGenProdProj.h,v 1.7 2007/05/11 09:11:30 verkerke Exp $
 * Authors:                                                                  *
 *   WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu       *
 *   DK, David Kirkby,    UC Irvine,         dkirkby@uci.edu                 *
 *                                                                           *
 * Copyright (c) 2000-2005, Regents of the University of California          *
 *                          and Stanford University. All rights reserved.    *
 *                                                                           *
 * Redistribution and use in source and binary forms,                        *
 * with or without modification, are permitted according to the terms        *
 * listed in LICENSE (http://roofit.sourceforge.net/license.txt)             *
 *****************************************************************************/
#ifndef ROO_GEN_PROD_PROJ
#define ROO_GEN_PROD_PROJ
 
#include "RooAbsReal.h"
#include "RooSetProxy.h"
#include "RooListProxy.h"
 
class RooRealVar;
class RooArgList ;
 
class RooGenProdProj : public RooAbsReal {
public:
 
  RooGenProdProj() ;
  RooGenProdProj(const char *name, const char *title, const RooArgSet& _prodSet, const RooArgSet& _intSet,
       const RooArgSet& _normSet, const char* isetRangeName, const char* normRangeName=nullptr, bool doFactorize=true) ;
 
  RooGenProdProj(const RooGenProdProj& other, const char* name = nullptr);
  TObject* clone(const char* newname) const override { return new RooGenProdProj(*this, newname); }
  ~RooGenProdProj() override ;
 
protected:
 
  RooAbsReal* makeIntegral(const char* name, const RooArgSet& compSet, const RooArgSet& intSet,
            RooArgSet& saveSet, const char* isetRangeName, bool doFactorize) ;
 
  void operModeHook() override ;
 
  double evaluate() const override;
  RooArgSet* _compSetOwnedN ; ///< Owner of numerator components
  RooArgSet* _compSetOwnedD ; ///< Owner of denominator components
  RooSetProxy _compSetN ; ///< Set proxy for numerator components
  RooSetProxy _compSetD ; ///< Set proxy for denominator components
  RooListProxy _intList ; ///< Master integrals representing numerator and denominator
  bool _haveD ;         ///< Do we have a denominator term?
 
  ClassDefOverride(RooGenProdProj,1) // General form of projected integral of product of PDFs, utility class for RooProdPdf
};
 
#endif