-- File:	GeomLib_PolyFunc.cdl
-- Created:	Tue Sep 22 16:24:52 1998
-- Author:	Philippe MANGINGeomLib_PolyFunc.c
--		<pmn@sgi29>
---Copyright:	 Matra Datavision 1998


private  class PolyFunc from GeomLib inherits  FunctionWithDerivative from math

	---Purpose: Polynomial  Function        

uses 
  Vector  from  math

is 
 
    Create(Coeffs:Vector) returns  PolyFunc from GeomLib;  
    
    Value(me: in out; X: Real; F: out Real)
        ---Purpose: computes the value <F>of the function for the variable <X>.
    	--          Returns True if the calculation were successfully done, 
    	--          False otherwise.

    returns Boolean
    is redefined;
 
    Derivative(me: in out; X: Real; D: out Real)
         ---Purpose: computes the derivative <D> of the function 
         --          for the variable <X>.
    	--           Returns True if the calculation were successfully done, 
    	--           False otherwise.

    returns Boolean
    is redefined;    

    Values(me: in out; X: Real; F, D: out Real)
    	---Purpose: computes the value <F> and the derivative <D> of the 
    	--          function for the variable <X>.
    	--          Returns True if the calculation were successfully done,
    	--          False otherwise.

    returns Boolean
    is redefined; 
    
fields 
  myCoeffs  :  Vector;

end PolyFunc;