1 -- Created on: 1991-01-14
2 -- Created by: Arnaud BOUZY
3 -- Copyright (c) 1991-1999 Matra Datavision
4 -- Copyright (c) 1999-2012 OPEN CASCADE SAS
6 -- The content of this file is subject to the Open CASCADE Technology Public
7 -- License Version 6.5 (the "License"). You may not use the content of this file
8 -- except in compliance with the License. Please obtain a copy of the License
9 -- at http://www.opencascade.org and read it completely before using this file.
11 -- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12 -- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
14 -- The Original Code and all software distributed under the License is
15 -- distributed on an "AS IS" basis, without warranty of any kind, and the
16 -- Initial Developer hereby disclaims all such warranties, including without
17 -- limitation, any warranties of merchantability, fitness for a particular
18 -- purpose or non-infringement. Please see the License for the specific terms
19 -- and conditions governing the rights and limitations under the License.
24 inherits SingleRelation from Expr
26 uses GeneralExpression from Expr,
27 GeneralRelation from Expr,
28 AsciiString from TCollection
30 raises NumericError from Standard
34 Create(exp1 : GeneralExpression ; exp2 : GeneralExpression)
35 ---Purpose: Creates the relation <exp1> = <exp2>.
36 returns mutable Equal;
42 ---Purpose: returns a GeneralRelation after replacement of
43 -- NamedUnknowns by an associated expression and after
44 -- values computation.
45 returns mutable GeneralRelation
48 Simplify(me : mutable)
49 ---Purpose: Replaces NamedUnknowns by an associated expressions
50 -- and computes values in <me>.
54 ---Purpose: Returns a copy of <me> having the same unknowns and functions.
55 returns mutable like me;
58 ---Purpose: returns a string representing <me> in a readable way.