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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) 1999-2014 OPEN CASCADE SAS |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _Expr_Different_HeaderFile |
18 | #define _Expr_Different_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
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21 | |
22 | #include <Expr_SingleRelation.hxx> |
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23 | class Expr_GeneralExpression; |
24 | class Expr_GeneralRelation; |
25 | class TCollection_AsciiString; |
26 | |
27 | |
28 | class Expr_Different; |
29 | DEFINE_STANDARD_HANDLE(Expr_Different, Expr_SingleRelation) |
30 | |
31 | |
32 | class Expr_Different : public Expr_SingleRelation |
33 | { |
34 | |
35 | public: |
36 | |
37 | |
38 | //! Creates the relation <exp1> # <exp2>. |
39 | Standard_EXPORT Expr_Different(const Handle(Expr_GeneralExpression)& exp1, const Handle(Expr_GeneralExpression)& exp2); |
40 | |
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41 | Standard_EXPORT Standard_Boolean IsSatisfied() const Standard_OVERRIDE; |
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42 | |
43 | //! Returns a GeneralRelation after replacement of |
44 | //! NamedUnknowns by an associated expression, and after |
45 | //! values computation. |
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46 | Standard_EXPORT Handle(Expr_GeneralRelation) Simplified() const Standard_OVERRIDE; |
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47 | |
48 | //! Replaces NamedUnknowns by associated expressions, |
49 | //! and computes values in <me>. |
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50 | Standard_EXPORT void Simplify() Standard_OVERRIDE; |
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51 | |
52 | //! Returns a copy of <me> having the same unknowns and |
53 | //! functions. |
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54 | Standard_EXPORT Handle(Expr_GeneralRelation) Copy() const Standard_OVERRIDE; |
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55 | |
56 | //! returns a string representing <me> in a readable way. |
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57 | Standard_EXPORT TCollection_AsciiString String() const Standard_OVERRIDE; |
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58 | |
59 | |
60 | |
61 | |
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62 | DEFINE_STANDARD_RTTIEXT(Expr_Different,Expr_SingleRelation) |
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63 | |
64 | protected: |
65 | |
66 | |
67 | |
68 | |
69 | private: |
70 | |
71 | |
72 | |
73 | |
74 | }; |
75 | |
76 | |
77 | |
78 | |
79 | |
80 | |
81 | |
82 | #endif // _Expr_Different_HeaderFile |