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// 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_UnaryExpression_HeaderFile
#define _Expr_UnaryExpression_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineHandle_HeaderFile
#include <Standard_DefineHandle.hxx>
#endif
#ifndef _Handle_Expr_UnaryExpression_HeaderFile
#include <Handle_Expr_UnaryExpression.hxx>
#endif

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



class Expr_UnaryExpression : public Expr_GeneralExpression {

public:

  //! Returns the operand used <br>
       const Handle_Expr_GeneralExpression& Operand() const;
  //! Sets the operand used <br>
//!          Raises InvalidOperand if <exp> contains <me>. <br>
  Standard_EXPORT     void SetOperand(const Handle(Expr_GeneralExpression)& exp) ;
  //! Returns the number of sub-expressions contained <br>
//!          in <me> ( >= 0) <br>
  Standard_EXPORT     Standard_Integer NbSubExpressions() const;
  //! Returns the <I>-th sub-expression of <me>. <br>
//!          Raises OutOfRange if <I> > NbSubExpressions(me) <br>
  Standard_EXPORT    const Handle_Expr_GeneralExpression& SubExpression(const Standard_Integer I) const;
  //! Does <me> contains NamedUnknown ? <br>
  Standard_EXPORT     Standard_Boolean ContainsUnknowns() const;
  //! Tests if <exp> is contained in <me>. <br>
  Standard_EXPORT     Standard_Boolean Contains(const Handle(Expr_GeneralExpression)& exp) const;
  //! Replaces all occurences of <var> with <with> in <me> <br>
//!          Raises InvalidOperand if <with> contains <me>. <br>
  Standard_EXPORT     void Replace(const Handle(Expr_NamedUnknown)& var,const Handle(Expr_GeneralExpression)& with) ;
  //! Returns a GeneralExpression after replacement of <br>
//!          NamedUnknowns by an associated expression, and after <br>
//!          values computation. <br>
  Standard_EXPORT     Handle_Expr_GeneralExpression Simplified() const;




  DEFINE_STANDARD_RTTI(Expr_UnaryExpression)

protected:

  //! Sets the operand used during creation <br>
  Standard_EXPORT     void CreateOperand(const Handle(Expr_GeneralExpression)& exp) ;



private: 


Handle_Expr_GeneralExpression myOperand;


};


#include <Expr_UnaryExpression.lxx>



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


#endif