RooArgusBG.h

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/*****************************************************************************
 * Project: RooFit                                                           *
 * Package: RooFitModels                                                     *
 *    File: $Id: RooArgusBG.h,v 1.13 2007/07/12 20:30:49 wouter 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_ARGUS_BG
#define ROO_ARGUS_BG
 
#include "RooAbsPdf.h"
#include "RooRealProxy.h"
 
class RooArgusBG : public RooAbsPdf {
public:
  RooArgusBG() {} ;
  RooArgusBG(const char *name, const char *title,
        RooAbsReal& _m, RooAbsReal& _m0, RooAbsReal& _c);
  RooArgusBG(const char *name, const char *title,
        RooAbsReal& _m, RooAbsReal& _m0, RooAbsReal& _c, RooAbsReal& _p);
  RooArgusBG(const RooArgusBG& other,const char* name=0) ;
  virtual TObject* clone(const char* newname) const { return new RooArgusBG(*this,newname); }
  inline virtual ~RooArgusBG() { }
 
  Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0) const ;
  Double_t analyticalIntegral(Int_t code, const char* rangeName=0) const ;
 
protected:
  RooRealProxy m ;
  RooRealProxy m0 ;
  RooRealProxy c ;
  RooRealProxy p ;
 
  Double_t evaluate() const ;
  RooSpan<double> evaluateSpan(RooBatchCompute::RunContext& evalData, const RooArgSet* normSet) const;
 
//   void initGenerator();
 
private:
  ClassDef(RooArgusBG,1) // Argus background shape PDF
};
 
#endif