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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_GeneralFunction_HeaderFile
#define _Expr_GeneralFunction_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineHandle_HeaderFile
#include <Standard_DefineHandle.hxx>
#endif
#ifndef _Handle_Expr_GeneralFunction_HeaderFile
#include <Handle_Expr_GeneralFunction.hxx>
#endif

#ifndef _MMgt_TShared_HeaderFile
#include <MMgt_TShared.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Handle_Expr_NamedUnknown_HeaderFile
#include <Handle_Expr_NamedUnknown.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
class Standard_OutOfRange;
class Standard_DimensionMismatch;
class Standard_NumericError;
class Expr_NotEvaluable;
class Expr_NamedUnknown;
class Expr_Array1OfNamedUnknown;
class TColStd_Array1OfReal;
class TCollection_AsciiString;


//! Defines the general purposes of any function. <br>
class Expr_GeneralFunction : public MMgt_TShared {

public:

  //! Returns the number of variables of <me>. <br>
  Standard_EXPORT   virtual  Standard_Integer NbOfVariables() const = 0;
  //! Returns the variable denoted by <index> in <me>. <br>
//!          Raises OutOfRange if index > NbOfVariables. <br>
  Standard_EXPORT   virtual  Handle_Expr_NamedUnknown Variable(const Standard_Integer index) const = 0;
  //! Returns a copy of <me> with the same form. <br>
  Standard_EXPORT   virtual  Handle_Expr_GeneralFunction Copy() const = 0;
  //! Returns Derivative of <me> for variable <var>. <br>
  Standard_EXPORT   virtual  Handle_Expr_GeneralFunction Derivative(const Handle(Expr_NamedUnknown)& var) const = 0;
  //! Returns Derivative of <me> for variable <var> with <br>
//!          degree <deg>. <br>
  Standard_EXPORT   virtual  Handle_Expr_GeneralFunction Derivative(const Handle(Expr_NamedUnknown)& var,const Standard_Integer deg) const = 0;
  //! Computes the value of <me> with the given variables. <br>
//!          Raises NotEvaluable if <vars> does not match all variables <br>
//!          of <me>. <br>
  Standard_EXPORT   virtual  Standard_Real Evaluate(const Expr_Array1OfNamedUnknown& vars,const TColStd_Array1OfReal& vals) const = 0;
  //! Tests if <me> and <func> are similar functions (same <br>
//!          name and same used expression). <br>
  Standard_EXPORT   virtual  Standard_Boolean IsIdentical(const Handle(Expr_GeneralFunction)& func) const = 0;
  //! Tests if <me> is linear on variable on range <index> <br>
  Standard_EXPORT   virtual  Standard_Boolean IsLinearOnVariable(const Standard_Integer index) const = 0;
  
  Standard_EXPORT   virtual  TCollection_AsciiString GetStringName() const = 0;




  DEFINE_STANDARD_RTTI(Expr_GeneralFunction)

protected:




private: 




};





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


#endif