#ifndef ROO_BREITWIGNER
#define ROO_BREITWIGNER
#include "RooAbsPdf.h"
#include "RooRealProxy.h"
class RooRealVar;
class RooBreitWigner : public RooAbsPdf {
public:
RooBreitWigner(const char *name, const char *title,
RooAbsReal& _x, RooAbsReal& _mean, RooAbsReal& _width);
RooBreitWigner(const RooBreitWigner& other, const char* name=0) ;
virtual TObject* clone(const char* newname) const { return new RooBreitWigner(*this,newname); }
inline virtual ~RooBreitWigner() { }
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 mean ;
RooRealProxy width ;
Double_t evaluate() const ;
private:
ClassDef(RooBreitWigner,0)
};
#endif
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