#ifndef ROO_GAUSS_VAR
#define ROO_GAUSS_VAR

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

class RooRealVar;
class RooArgList ;

class RooGaussVar : public RooAbsReal {
public:

  RooGaussVar() ;
  //RooGaussVar(const char* name, const char* title, RooAbsReal& x) ;
  RooGaussVar(const char *name, const char *title,
		RooAbsReal& _x, RooAbsReal& _height, RooAbsReal& _mean, RooAbsReal& _sigma) ;

  RooGaussVar(const RooGaussVar& other, const char* name = 0);
  virtual TObject* clone(const char* newname) const { return new RooGaussVar(*this, newname); }
  virtual ~RooGaussVar() ;

  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 x;
  RooRealProxy height;
  RooRealProxy mean;
  RooRealProxy sigma;

  Double_t evaluate() const;

  ClassDef(RooGaussVar,1) // Gauss function
};

#endif