#define ClassDefOverride(name, id)
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
RooAbsMoment * sigma(RooRealVar &obs)
RooHypatia2 is the two-sided version of the Hypatia distribution described in https://arxiv....
RooSpan< double > evaluateBatch(std::size_t begin, std::size_t batchSize) const override
Evaluate function for a batch of input data points.
Double_t evaluate() const override
Evaluate this PDF / function / constant. Needs to be overridden by all derived classes.
virtual TObject * clone(const char *newname) const override
A simple container to hold a batch of data values.
Mother of all ROOT objects.
double beta(double x, double y)
Calculates the beta function.