derivator_2.h

#ifndef DERIVATOR_2_H
#define DERIVATOR_2_H

#include "derivator.h"

namespace afl
{

    class Derivator_2 : public Derivator
    {

        public:
            Derivator_2( const Field* field, const Parameters& params );

            Derivator_2( const Field* field, const Point& delta );

            virtual Derivative derivative( const Point& x ) const;

            virtual void toXML( std::ostream& doc ) const;

            virtual Derivator* clone(  );

            virtual const std::string& getMethod(  ) const;

        protected:
            static const std::string _method;
    };

};

#endif // DERIVATOR_2_H

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