16#ifndef ROO_ADAPTIVE_GAUSS_KRONROD_INTEGRATOR_1D
17#define ROO_ADAPTIVE_GAUSS_KRONROD_INTEGRATOR_1D
63 std::vector<double>
_x;
double RooAdaptiveGaussKronrodIntegrator1D_GSL_GlueFunction(double x, void *data)
Glue function interacing to GSL code.
ROOT::Detail::TRangeCast< T, true > TRangeDynCast
TRangeDynCast is an adapter class that allows the typed iteration through a TCollection.
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void data
Abstract interface for evaluating a real-valued function of one real variable and performing numerica...
Abstract interface for integrators of real-valued functions that implement the RooAbsFunc interface.
virtual bool setLimits(double *, double *)
Implements the Gauss-Kronrod integration algorithm.
double * xvec(double &xx)
double integral(const double *yvec=nullptr) override
Calculate and return integral at at given parameter values.
RooAdaptiveGaussKronrodIntegrator1D(const RooAbsFunc &function, const RooNumIntConfig &config)
Constructor taking a function binding and a configuration object.
bool initialize()
Initialize integrator allocate buffers and setup GSL workspace.
bool setUseIntegrandLimits(bool flag) override
Interface function that allows to defer limit definition to integrand definition.
double _epsAbs
Current coordinate.
bool setLimits(double *xmin, double *xmax) override
Change our integration limits.
bool checkLimits() const override
Check that our integration range is finite and otherwise return false.
friend double RooAdaptiveGaussKronrodIntegrator1D_GSL_GlueFunction(double x, void *data)
Glue function interacing to GSL code.
~RooAdaptiveGaussKronrodIntegrator1D() override
Destructor.
double _xmax
Lower integration bound.
static void registerIntegrator(RooNumIntFactory &fact)
Register this class with RooNumIntConfig as a possible choice of numeric integrator for one-dimension...
Holds the configuration parameters of the various numeric integrators used by RooRealIntegral.
Factory to instantiate numeric integrators from a given function binding and a given configuration.