52 m(
"m",
"Mass",this,_m),
53 m0(
"m0",
"Resonance mass",this,_m0),
54 c(
"c",
"Slope parameter",this,_c),
65 m(
"m",
"Mass",this,_m),
66 m0(
"m0",
"Resonance mass",this,_m0),
67 c(
"c",
"Slope parameter",this,_c),
68 p(
"p",
"Power",this,_p)
78 m0(
"m0",this,other.m0),
101 if (
matchArgs(allVars,analVars,
m) &&
p == 0.5)
return 1;
122 }
else if (
c == 0. ) {
double atan2(double, double)
Bool_t isConstant() const
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Bool_t matchArgs(const RooArgSet &allDeps, RooArgSet &numDeps, const RooArgProxy &a) const
Utility function for use in getAnalyticalIntegral().
RooArgSet is a container object that can hold multiple RooAbsArg objects.
RooArgusBG is a RooAbsPdf implementation describing the ARGUS background shape.
Double_t evaluate() const
Evaluate this PDF / function / constant. Needs to be overridden by all derived classes.
Int_t getAnalyticalIntegral(RooArgSet &allVars, RooArgSet &analVars, const char *rangeName=0) const
Interface function getAnalyticalIntergral advertises the analytical integrals that are supported.
Double_t analyticalIntegral(Int_t code, const char *rangeName=0) const
Implements the actual analytical integral(s) advertised by getAnalyticalIntegral.
static std::complex< double > erf(const std::complex< double > z)
complex erf function
static std::complex< double > faddeeva(std::complex< double > z)
evaluate Faddeeva function for complex argument
RooRealConstant provides static functions to create and keep track of RooRealVar constants.
Double_t min(const char *rname=0) const
const RooAbsReal & arg() const
Double_t max(const char *rname=0) const
RooRealVar represents a fundamental (non-derived) real valued object.
static constexpr double pi
LongDouble_t Power(LongDouble_t x, LongDouble_t y)