ROOT::Math::Derivator

class ROOT::Math::Derivator

    private:

       ROOT::Math::Derivator Derivator(const ROOT::Math::Derivator&)
      ROOT::Math::Derivator& operator=(const ROOT::Math::Derivator&)

    public:

      ROOT::Math::Derivator Derivator(const ROOT::Math::IGenFunction& f)
      ROOT::Math::Derivator Derivator(const ROOT::Math::Derivator::GSLFuncPointer& f)
               virtual void ~Derivator()
                     double Error() const
                     double Eval(const ROOT::Math::IGenFunction& f, double x, double h = 1E-8)
                     double Eval(double x, double h = 1E-8)
                     double EvalBackward(const ROOT::Math::IGenFunction& f, double x, double h = 1E-8)
                     double EvalBackward(double x, double h = 1E-8)
                     double EvalCentral(const ROOT::Math::IGenFunction& f, double x, double h = 1E-8)
                     double EvalCentral(double x, double h = 1E-8)
                     double EvalForward(const ROOT::Math::IGenFunction& f, double x, double h = 1E-8)
                     double EvalForward(double x, double h = 1E-8)
                     double Result() const
                       void SetFunction(const ROOT::Math::IGenFunction& f)
                       void SetFunction(const ROOT::Math::Derivator::GSLFuncPointer& f)
                        int Status() const

Data Members

    private:

      ROOT::Math::GSLDerivator* fDerivator  

Class Description

 class for calculating Derivative of functions

 Created by: moneta  at Sat Nov 13 14:46:00 2004

 Last update: Sat Nov 13 14:46:00 2004

Inline Functions

                          void ~Derivator()
         ROOT::Math::Derivator Derivator(const ROOT::Math::IGenFunction& f)
         ROOT::Math::Derivator Derivator(const ROOT::Math::Derivator::GSLFuncPointer& f)
         ROOT::Math::Derivator Derivator(const ROOT::Math::Derivator&)
        ROOT::Math::Derivator& operator=(const ROOT::Math::Derivator&)
                          void SetFunction(const ROOT::Math::IGenFunction& f)
                          void SetFunction(const ROOT::Math::Derivator::GSLFuncPointer& f)
                        double Eval(const ROOT::Math::IGenFunction& f, double x, double h = 1E-8)
                        double Eval(double x, double h = 1E-8)
                        double EvalCentral(const ROOT::Math::IGenFunction& f, double x, double h = 1E-8)
                        double EvalForward(const ROOT::Math::IGenFunction& f, double x, double h = 1E-8)
                        double EvalBackward(const ROOT::Math::IGenFunction& f, double x, double h = 1E-8)
                        double EvalCentral(double x, double h = 1E-8)
                        double EvalForward(double x, double h = 1E-8)
                        double EvalBackward(double x, double h = 1E-8)
                           int Status() const
                        double Result() const
                        double Error() const