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86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
// Created on: 1991-01-14
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// Created by: Arnaud BOUZY
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// Copyright (c) 1991-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _Expr_Different_HeaderFile
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#define _Expr_Different_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <Expr_SingleRelation.hxx>
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#include <Standard_Boolean.hxx>
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class Standard_NumericError;
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class Expr_GeneralExpression;
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class Expr_GeneralRelation;
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class TCollection_AsciiString;
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class Expr_Different;
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DEFINE_STANDARD_HANDLE(Expr_Different, Expr_SingleRelation)
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class Expr_Different : public Expr_SingleRelation
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{
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public:
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//! Creates the relation <exp1> # <exp2>.
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Standard_EXPORT Expr_Different(const Handle(Expr_GeneralExpression)& exp1, const Handle(Expr_GeneralExpression)& exp2);
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Standard_EXPORT Standard_Boolean IsSatisfied() const Standard_OVERRIDE;
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//! Returns a GeneralRelation after replacement of
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//! NamedUnknowns by an associated expression, and after
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//! values computation.
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Standard_EXPORT Handle(Expr_GeneralRelation) Simplified() const Standard_OVERRIDE;
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//! Replaces NamedUnknowns by associated expressions,
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//! and computes values in <me>.
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Standard_EXPORT void Simplify() Standard_OVERRIDE;
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//! Returns a copy of <me> having the same unknowns and
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//! functions.
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Standard_EXPORT Handle(Expr_GeneralRelation) Copy() const Standard_OVERRIDE;
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//! returns a string representing <me> in a readable way.
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Standard_EXPORT TCollection_AsciiString String() const Standard_OVERRIDE;
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DEFINE_STANDARD_RTTIEXT(Expr_Different,Expr_SingleRelation)
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protected:
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private:
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};
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#endif // _Expr_Different_HeaderFile
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