-- File:	FunctionTanObl.cdl
-- Created:	Thu Jan  9 16:43:44 1992
-- Author:	Remi GILET
--		<reg@topsn3>
---Copyright:	 Matra Datavision 1992

generic class FunctionTanObl from GccIter (
    TheCurve     as any;
    TheCurveTool as any) -- as CurvePGTool from GccInt (TheCurve)

inherits FunctionWithDerivative from math
    ---Purpose: This class describe a function of a single variable.

uses Dir2d from gp     

     
is

Create (Curve : TheCurve      ;
    	Dir   : Dir2d from gp ) returns FunctionTanObl from GccIter;

Value (me : in out      ;
       X  :        Real ;
       F  :    out Real ) returns Boolean;
    ---Purpose: Computes the value of the function F for the variable X.
    --          It returns True if the computation is successfully done,
    --          False otherwise.

Derivative (me    : in out      ;
            X     :        Real ;
            Deriv :    out Real ) returns Boolean;
    ---Purpose: Computes the derivative of the function F for the variable X.
    --          It returns True if the computation is successfully done,
    --          False otherwise.

Values (me    : in out      ;
        X     :        Real ;
        F     : out    Real ;
        Deriv : out    Real ) returns Boolean;
    ---Purpose: Computes the value and the derivative of the function F 
    --          for the variable X.
    --          It returns True if the computation is successfully done,
    --          False otherwise.

fields

TheCurv      : TheCurve        ;
TheDirection : Dir2d    from gp;

end FunctionTanObl;