33 #ifndef ROOT_Math_GSLDerivator 34 #define ROOT_Math_GSLDerivator 51 class GSLFunctionWrapper;
156 double Error()
const;
double Error() const
return the estimate of the absolute error of the last derivative calculation
Interface (abstract class) for generic functions objects of one-dimension Provides a method to evalua...
This namespace contains pre-defined functions to be used in conjuction with TExecutor::Map and TExecu...
double EvalForward(double x, double h)
Computes the numerical derivative at a point x using an adaptive forward difference algorithm with a ...
void SetFunction(const IGenFunction &f)
Set the function for calculating the derivatives.
Class for computing numerical derivative of a function based on the GSL numerical algorithm This clas...
double EvalBackward(double x, double h)
Computes the numerical derivative at a point x using an adaptive backward difference algorithm with a...
double Result() const
return the result of the last derivative calculation
GSLDerivator()
Default Constructor of a GSLDerivator class based on GSL numerical differentiation algorithms...
double(* GSLFuncPointer)(double, void *)
Function pointer corresponding to gsl_function signature.
int Status() const
return the error status of the last integral calculation
GSLFunctionWrapper fFunction
Namespace for new Math classes and functions.
Wrapper class to the gsl_function C structure.
double EvalCentral(double x, double h)
Computes the numerical derivative at a point x using an adaptive central difference algorithm with a ...
virtual ~GSLDerivator()
destructor (no operations)