// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to 
// this header file considered to be the "object code" form of the original source.

#ifndef _Expr_GeneralRelation_HeaderFile
#define _Expr_GeneralRelation_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineHandle_HeaderFile
#include <Standard_DefineHandle.hxx>
#endif
#ifndef _Handle_Expr_GeneralRelation_HeaderFile
#include <Handle_Expr_GeneralRelation.hxx>
#endif

#ifndef _MMgt_TShared_HeaderFile
#include <MMgt_TShared.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Handle_Expr_GeneralExpression_HeaderFile
#include <Handle_Expr_GeneralExpression.hxx>
#endif
#ifndef _Handle_Expr_NamedUnknown_HeaderFile
#include <Handle_Expr_NamedUnknown.hxx>
#endif
class Standard_OutOfRange;
class Standard_NumericError;
class Expr_GeneralExpression;
class Expr_NamedUnknown;
class TCollection_AsciiString;


//! Defines the general purposes of any relation between <br>
//!          expressions. <br>
class Expr_GeneralRelation : public MMgt_TShared {

public:

  //! Returns the current status of the relation <br>
  Standard_EXPORT   virtual  Standard_Boolean IsSatisfied() const = 0;
  //! Tests if <me> is linear between its NamedUnknowns. <br>
  Standard_EXPORT   virtual  Standard_Boolean IsLinear() const = 0;
  //! Returns a GeneralRelation after replacement of <br>
//!          NamedUnknowns by an associated expression, and after <br>
//!          values computation. <br>
  Standard_EXPORT   virtual  Handle_Expr_GeneralRelation Simplified() const = 0;
  //! Replaces NamedUnknowns by associated expressions, <br>
//!          and computes values in <me>. <br>
  Standard_EXPORT   virtual  void Simplify()  = 0;
  //! Returns a copy of <me> having the same unknowns and <br>
//!          functions. <br>
  Standard_EXPORT   virtual  Handle_Expr_GeneralRelation Copy() const = 0;
  //! Returns the number of relations contained in <me>. <br>
  Standard_EXPORT   virtual  Standard_Integer NbOfSubRelations() const = 0;
  //! Returns the number of SingleRelations contained in <br>
//!          <me>. <br>
  Standard_EXPORT   virtual  Standard_Integer NbOfSingleRelations() const = 0;
  //! Returns the relation denoted by <index> in <me>. <br>
//!          An exception is raised if <index> is out of range. <br>
  Standard_EXPORT   virtual  Handle_Expr_GeneralRelation SubRelation(const Standard_Integer index) const = 0;
  //! Tests if <exp> contains <var>. <br>
  Standard_EXPORT   virtual  Standard_Boolean Contains(const Handle(Expr_GeneralExpression)& exp) const = 0;
  //! Replaces all occurences of <var> with <with> in <me>. <br>
  Standard_EXPORT   virtual  void Replace(const Handle(Expr_NamedUnknown)& var,const Handle(Expr_GeneralExpression)& with)  = 0;
  //! returns a string representing <me> in a readable way. <br>
  Standard_EXPORT   virtual  TCollection_AsciiString String() const = 0;




  DEFINE_STANDARD_RTTI(Expr_GeneralRelation)

protected:




private: 




};





// other Inline functions and methods (like "C++: function call" methods)


#endif