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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 |
5 | -- |
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. |
10 | -- |
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. |
13 | -- |
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. |
20 | |
7fd59977 |
21 | |
22 | class ArcCosine from Expr |
23 | |
24 | inherits UnaryExpression from Expr |
25 | |
26 | uses GeneralExpression from Expr, |
27 | AsciiString from TCollection, |
28 | Array1OfNamedUnknown from Expr, |
29 | Array1OfReal from TColStd, |
30 | NamedUnknown from Expr |
31 | |
32 | raises NumericError from Standard, |
33 | NotEvaluable from Expr |
34 | |
35 | is |
36 | |
37 | Create(exp : GeneralExpression) |
38 | ---Purpose: Creates the Arccos of <exp> |
39 | returns mutable ArcCosine; |
40 | |
41 | ShallowSimplified(me) |
42 | ---Purpose: Returns a GeneralExpression after a simplification |
43 | -- of the arguments of <me>. |
44 | returns any GeneralExpression |
45 | raises NumericError; |
46 | |
47 | Copy(me) |
48 | ---Purpose: Returns a copy of <me> having the same unknowns and functions. |
49 | returns mutable like me; |
50 | |
51 | IsIdentical(me; Other : GeneralExpression) |
52 | ---Purpose: Tests if <me> and <Other> define the same expression. |
53 | -- This method does not include any simplification before |
54 | -- testing. |
55 | returns Boolean; |
56 | |
57 | IsLinear(me) |
58 | returns Boolean; |
59 | |
60 | Derivative(me; X : NamedUnknown) |
61 | ---Purpose: Returns the derivative on <X> unknown of <me>. |
62 | returns any GeneralExpression; |
63 | |
64 | Evaluate(me; vars : Array1OfNamedUnknown; vals : Array1OfReal) |
65 | ---Purpose: Returns the value of <me> (as a Real) by |
66 | -- replacement of <vars> by <vals>. |
67 | -- Raises NotEvaluable if <me> contains NamedUnknown not |
68 | -- in <vars> or NumericError if result cannot be computed. |
69 | returns Real |
70 | raises NotEvaluable,NumericError; |
71 | |
72 | String(me) |
73 | ---Purpose: returns a string representing <me> in a readable way. |
74 | returns AsciiString; |
75 | |
76 | end ArcCosine; |