-- File:	Plate_D3.cdl
-- Created:	Oct 1998
-- Author:	Andre LIEUTIER
--		<ds@sgi63>
---Copyright:	 Matra Datavision 1998

class D3 from Plate
---Purpose : define an order 3 derivatives of a 3d valued
--          function of a 2d variable
--         

uses XYZ from gp

is
    Create(duuu,duuv,duvv,dvvv : XYZ from gp) returns D3;
    Create(ref  :  D3  from  Plate) returns D3;

fields
    
    Duuu, Duuv,Duvv,Dvvv : XYZ from gp;

friends
    class GtoCConstraint from Plate,
    class FreeGtoCConstraint from Plate
    
end;