/*****************************************************************************
 * Project: RooFit                                                           *
 * Package: RooFitModels                                                     *
 *    File: $Id: RooRadiativeTail.h,v 1.1 2008/12/16 08:21:45 asarti 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_RADIATIVETAIL
#define ROO_RADIATIVETAIL

#include "RooAbsPdf.h"
#include "RooRealProxy.h"

class RooRealVar;

class RooRadiativeTail : public RooAbsPdf {
public:
  RooRadiativeTail() {} ;
  RooRadiativeTail(const char *name, const char *title,
	      RooAbsReal& _mass, RooAbsReal& _slope, RooAbsReal& _mean, RooAbsReal& _damp);
  RooRadiativeTail(const RooRadiativeTail& other, const char* name=0) ;
  virtual TObject* clone(const char* newname) const { return new RooRadiativeTail(*this,newname); }
  inline virtual ~RooRadiativeTail() { }

  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 mass ;
  RooRealProxy slope ;
  RooRealProxy mean ;
  RooRealProxy damp ;
  
  Double_t evaluate() const ;

private:

  ClassDef(RooRadiativeTail,1)
};

#endif