rarExp.cc

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/*****************************************************************************
* Project: BaBar detector at the SLAC PEP-II B-factory
* Package: RooRarFit
 *    File: $Id: rarExp.cc,v 1.5 2011/06/16 13:18:49 fwilson Exp $
 * Authors: Lei Zhang
 * History:
 * 
 * Copyright (C) 2005-2012, University of California, Riverside
 *****************************************************************************/

// -- CLASS DESCRIPTION [RooRarFit] --
// This class provides Exponential Pdf class for RooRarFit
//
// BEGIN_HTML
// This class provides Exponential Pdf class for RooRarFit
// END_HTML
//

#include "RooRarFit/rarVersion.hh"

#include "Riostream.h"

#include "RooFitCore/RooArgList.hh"
#include "RooFitCore/RooDataSet.hh"
#include "RooFitCore/RooProdPdf.hh"
#include "RooFitCore/RooRealVar.hh"
#include "RooFitCore/RooStringVar.hh"

#include "RooFitModels/RooExponential.hh"

#include "RooRarFit/rarExp.hh"

ClassImp(rarExp)
  ;

rarExp::rarExp()
  : rarBasePdf(),
    _x(0), _c(0)
{
  init();
}

rarExp::rarExp(const char *configFile, const char *configSec,
               const char *configStr,
               rarDatasets *theDatasets, RooDataSet *theData,
               const char *name, const char *title)
  : rarBasePdf(configFile, configSec, configStr,
               theDatasets, theData, name, title),
    _x(0), _c(0)
{
  init();
}

rarExp::~rarExp()
{
}

void rarExp::init()
{
  cout<<"init of rarExp for "<<GetName()<<":"<<endl;
  
  // first get its obs
  _x=createAbsReal("x", "observable"); assert(_x);
  // Config pdf params
  _c=createAbsReal("c", "c", 0, -10, 10);
  _params.Print("v");
  
  // create pdf
  _thePdf=new RooExponential(Form("the_%s", GetName()),_pdfType+" "+GetTitle(),
                             *_x, *_c);
}

---