include/opencascade/Expr_Different.hxx

0001 // Created on: 1991-01-14
0002 // Created by: Arnaud BOUZY
0003 // Copyright (c) 1991-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _Expr_Different_HeaderFile
0018 #define _Expr_Different_HeaderFile
0019
0020 #include <Standard.hxx>
0021
0022 #include <Expr_SingleRelation.hxx>
0023 class Expr_GeneralExpression;
0024 class Expr_GeneralRelation;
0025 class TCollection_AsciiString;
0026
0027
0028 class Expr_Different;
0029 DEFINE_STANDARD_HANDLE(Expr_Different, Expr_SingleRelation)
0030
0031
0032 class Expr_Different : public Expr_SingleRelation
0033 {
0034
0035 public:
0036
0037
0038   //! Creates the relation <exp1> # <exp2>.
0039   Standard_EXPORT Expr_Different(const Handle(Expr_GeneralExpression)& exp1, const Handle(Expr_GeneralExpression)& exp2);
0040
0041   Standard_EXPORT Standard_Boolean IsSatisfied() const Standard_OVERRIDE;
0042
0043   //! Returns a GeneralRelation after replacement of
0044   //! NamedUnknowns by an associated expression, and after
0045   //! values computation.
0046   Standard_EXPORT Handle(Expr_GeneralRelation) Simplified() const Standard_OVERRIDE;
0047
0048   //! Replaces NamedUnknowns by associated expressions,
0049   //! and computes values in <me>.
0050   Standard_EXPORT void Simplify() Standard_OVERRIDE;
0051
0052   //! Returns a copy of <me> having the same unknowns and
0053   //! functions.
0054   Standard_EXPORT Handle(Expr_GeneralRelation) Copy() const Standard_OVERRIDE;
0055
0056   //! returns a string representing <me> in a readable way.
0057   Standard_EXPORT TCollection_AsciiString String() const Standard_OVERRIDE;
0058
0059
0060
0061
0062   DEFINE_STANDARD_RTTIEXT(Expr_Different,Expr_SingleRelation)
0063
0064 protected:
0065
0066
0067
0068
0069 private:
0070
0071
0072
0073
0074 };
0075
0076
0077
0078
0079
0080
0081
0082 #endif // _Expr_Different_HeaderFile