// 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_HeaderFile
#define _Expr_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif

#ifndef _Handle_Expr_GeneralExpression_HeaderFile
#include <Handle_Expr_GeneralExpression.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Handle_Expr_GeneralRelation_HeaderFile
#include <Handle_Expr_GeneralRelation.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
class Expr_GeneralExpression;
class Expr_GeneralRelation;
class Expr_GeneralExpression;
class Expr_NumericValue;
class Expr_NamedExpression;
class Expr_NamedConstant;
class Expr_NamedUnknown;
class Expr_UnaryExpression;
class Expr_Absolute;
class Expr_ArcCosine;
class Expr_ArcSine;
class Expr_ArcTangent;
class Expr_ArgCosh;
class Expr_ArgSinh;
class Expr_ArgTanh;
class Expr_Cosh;
class Expr_Cosine;
class Expr_Exponential;
class Expr_LogOf10;
class Expr_LogOfe;
class Expr_Sign;
class Expr_Sine;
class Expr_Sinh;
class Expr_Square;
class Expr_SquareRoot;
class Expr_Tangent;
class Expr_Tanh;
class Expr_UnaryFunction;
class Expr_UnaryMinus;
class Expr_BinaryExpression;
class Expr_BinaryFunction;
class Expr_Difference;
class Expr_Division;
class Expr_Exponentiate;
class Expr_PolyExpression;
class Expr_PolyFunction;
class Expr_Product;
class Expr_Sum;
class Expr_UnknownIterator;
class Expr_GeneralRelation;
class Expr_SingleRelation;
class Expr_Different;
class Expr_Equal;
class Expr_GreaterThan;
class Expr_GreaterThanOrEqual;
class Expr_LessThan;
class Expr_LessThanOrEqual;
class Expr_SystemRelation;
class Expr_RelationIterator;
class Expr_RUIterator;
class Expr_GeneralFunction;
class Expr_NamedFunction;
class Expr_FunctionDerivative;
class Expr_SequenceOfGeneralExpression;
class Expr_Array1OfGeneralExpression;
class Expr_Array1OfNamedUnknown;
class Expr_MapOfNamedUnknown;
class Expr_Array1OfSingleRelation;
class Expr_SequenceOfGeneralRelation;
class Expr_SequenceNodeOfSequenceOfGeneralExpression;
class Expr_IndexedMapNodeOfMapOfNamedUnknown;
class Expr_SequenceNodeOfSequenceOfGeneralRelation;


//! This package describes  the data structure  of any <br>
//!          expression, relation or function used in mathematics. <br>
//!          It also describes the assignment of variables. Standard <br>
//!          mathematical functions are implemented such as <br>
//!          trigonometrics, hyperbolics, and log functions. <br>
class Expr  {
public:

  void* operator new(size_t,void* anAddress) 
  {
    return anAddress;
  }
  void* operator new(size_t size) 
  {
    return Standard::Allocate(size); 
  }
  void  operator delete(void *anAddress) 
  {
    if (anAddress) Standard::Free((Standard_Address&)anAddress); 
  }

  
  Standard_EXPORT   static  Handle_Expr_GeneralExpression CopyShare(const Handle(Expr_GeneralExpression)& exp) ;
  
  Standard_EXPORT   static  Standard_Integer NbOfFreeVariables(const Handle(Expr_GeneralExpression)& exp) ;
  
  Standard_EXPORT   static  Standard_Integer NbOfFreeVariables(const Handle(Expr_GeneralRelation)& exp) ;
  
  Standard_EXPORT   static  Standard_Real Sign(const Standard_Real val) ;





protected:





private:




friend class Expr_GeneralExpression;
friend class Expr_NumericValue;
friend class Expr_NamedExpression;
friend class Expr_NamedConstant;
friend class Expr_NamedUnknown;
friend class Expr_UnaryExpression;
friend class Expr_Absolute;
friend class Expr_ArcCosine;
friend class Expr_ArcSine;
friend class Expr_ArcTangent;
friend class Expr_ArgCosh;
friend class Expr_ArgSinh;
friend class Expr_ArgTanh;
friend class Expr_Cosh;
friend class Expr_Cosine;
friend class Expr_Exponential;
friend class Expr_LogOf10;
friend class Expr_LogOfe;
friend class Expr_Sign;
friend class Expr_Sine;
friend class Expr_Sinh;
friend class Expr_Square;
friend class Expr_SquareRoot;
friend class Expr_Tangent;
friend class Expr_Tanh;
friend class Expr_UnaryFunction;
friend class Expr_UnaryMinus;
friend class Expr_BinaryExpression;
friend class Expr_BinaryFunction;
friend class Expr_Difference;
friend class Expr_Division;
friend class Expr_Exponentiate;
friend class Expr_PolyExpression;
friend class Expr_PolyFunction;
friend class Expr_Product;
friend class Expr_Sum;
friend class Expr_UnknownIterator;
friend class Expr_GeneralRelation;
friend class Expr_SingleRelation;
friend class Expr_Different;
friend class Expr_Equal;
friend class Expr_GreaterThan;
friend class Expr_GreaterThanOrEqual;
friend class Expr_LessThan;
friend class Expr_LessThanOrEqual;
friend class Expr_SystemRelation;
friend class Expr_RelationIterator;
friend class Expr_RUIterator;
friend class Expr_GeneralFunction;
friend class Expr_NamedFunction;
friend class Expr_FunctionDerivative;
friend class Expr_SequenceOfGeneralExpression;
friend class Expr_Array1OfGeneralExpression;
friend class Expr_Array1OfNamedUnknown;
friend class Expr_MapOfNamedUnknown;
friend class Expr_Array1OfSingleRelation;
friend class Expr_SequenceOfGeneralRelation;
friend class Expr_SequenceNodeOfSequenceOfGeneralExpression;
friend class Expr_IndexedMapNodeOfMapOfNamedUnknown;
friend class Expr_SequenceNodeOfSequenceOfGeneralRelation;

};





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


#endif