text: /*****************************************************************************
   * Project: RooFit                                                           *
   * Package: RooFitModels                                                     *
   *    File: $Id: RooBukinPdf.h,v 1.5 2007/07/12 20:30:49 wouter Exp $
   * Authors:                                                                  *
   *   RW, Ruddick William  UC Colorado        wor@slac.stanford.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)             *
   *****************************************************************************/
  
  
  // -- CLASS DESCRIPTION [PDF] --
  // RooBukinPdf implements the NovosibirskA function
  
  #ifndef ROO_BUKINPDF
  #define ROO_BUKINPDF
  
  #include "RooAbsPdf.h"
  #include "RooRealProxy.h"
  
  class RooRealVar;
  class RooAbsReal;
  
  class RooBukinPdf : public RooAbsPdf {
  public:
  
    RooBukinPdf() {} ;
    RooBukinPdf(const char *name, const char *title,
           RooAbsReal& _x, RooAbsReal& _Xp,
           RooAbsReal& _sigp, RooAbsReal& _xi,
                RooAbsReal& _rho1, RooAbsReal& _rho2);
  
    RooBukinPdf(const RooBukinPdf& other,const char* name=0) ;
  
    virtual TObject* clone(const char* newname) const { return new RooBukinPdf(*this,newname);   }
    inline virtual ~RooBukinPdf() { }
  
  protected:
    RooRealProxy x;
    RooRealProxy Xp;
    RooRealProxy sigp;
    RooRealProxy xi;
    RooRealProxy rho1;
    RooRealProxy rho2;
    Double_t evaluate() const;
  
  private:
  
    ClassDef(RooBukinPdf,1) // Variation of Novosibirsk PDF
    double consts;
  };
  
  #endif
  