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117 lines
3.6 KiB
C++
117 lines
3.6 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_SystemRelation_HeaderFile
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#define _Expr_SystemRelation_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <Expr_SequenceOfGeneralRelation.hxx>
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#include <Expr_GeneralRelation.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Integer.hxx>
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class Standard_OutOfRange;
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class Standard_NoSuchObject;
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class Standard_DimensionMismatch;
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class Standard_NumericError;
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class Expr_GeneralRelation;
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class Expr_GeneralExpression;
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class Expr_NamedUnknown;
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class TCollection_AsciiString;
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class Expr_SystemRelation;
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DEFINE_STANDARD_HANDLE(Expr_SystemRelation, Expr_GeneralRelation)
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class Expr_SystemRelation : public Expr_GeneralRelation
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{
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public:
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//! Creates a system with one relation
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Standard_EXPORT Expr_SystemRelation(const Handle(Expr_GeneralRelation)& relation);
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//! Appends <relation> in the list of components of <me>.
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Standard_EXPORT void Add (const Handle(Expr_GeneralRelation)& relation);
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Standard_EXPORT void Remove (const Handle(Expr_GeneralRelation)& relation);
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//! Tests if <me> is linear between its NamedUnknowns.
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Standard_EXPORT Standard_Boolean IsLinear() const Standard_OVERRIDE;
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//! Returns the number of relations contained in <me>.
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Standard_EXPORT Standard_Integer NbOfSubRelations() const Standard_OVERRIDE;
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//! Returns the number of SingleRelations contained in
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//! <me>.
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Standard_EXPORT Standard_Integer NbOfSingleRelations() const Standard_OVERRIDE;
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//! Returns the relation denoted by <index> in <me>.
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//! An exception is raised if <index> is out of range.
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Standard_EXPORT Handle(Expr_GeneralRelation) SubRelation (const Standard_Integer index) const Standard_OVERRIDE;
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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 functions.
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Standard_EXPORT Handle(Expr_GeneralRelation) Copy() const Standard_OVERRIDE;
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//! Tests if <me> contains <exp>.
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Standard_EXPORT Standard_Boolean Contains (const Handle(Expr_GeneralExpression)& exp) const Standard_OVERRIDE;
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//! Replaces all occurrences of <var> with <with> in <me>.
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Standard_EXPORT void Replace (const Handle(Expr_NamedUnknown)& var, const Handle(Expr_GeneralExpression)& with) 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_SystemRelation,Expr_GeneralRelation)
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protected:
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private:
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Expr_SequenceOfGeneralRelation myRelations;
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};
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#endif // _Expr_SystemRelation_HeaderFile
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