// 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 _ProjLib_PrjFunc_HeaderFile
#define _ProjLib_PrjFunc_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>

#include <Adaptor3d_CurvePtr.hxx>
#include <Adaptor3d_SurfacePtr.hxx>
#include <Standard_Real.hxx>
#include <Standard_Integer.hxx>
#include <math_FunctionSetWithDerivatives.hxx>
#include <Standard_Boolean.hxx>
#include <math_Vector.hxx>
class Standard_ConstructionError;
class math_Matrix;
class gp_Pnt2d;



class ProjLib_PrjFunc  : public math_FunctionSetWithDerivatives
{
public:

  DEFINE_STANDARD_ALLOC

  
  Standard_EXPORT ProjLib_PrjFunc(const Adaptor3d_CurvePtr& C, const Standard_Real FixVal, const Adaptor3d_SurfacePtr& S, const Standard_Integer Fix);
  
  //! returns the number of variables of the function.
  Standard_EXPORT   Standard_Integer NbVariables()  const;
  
  //! returns the number of equations of the function.
  Standard_EXPORT   Standard_Integer NbEquations()  const;
  
  //! computes the values <F> of the Functions for the
  //! variable <X>.
  //! Returns True if the computation was done successfully,
  //! False otherwise.
  Standard_EXPORT   Standard_Boolean Value (const math_Vector& X, math_Vector& F) ;
  
  //! returns the values <D> of the derivatives for the
  //! variable <X>.
  //! Returns True if the computation was done successfully,
  //! False otherwise.
  Standard_EXPORT   Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D) ;
  
  //! returns the values <F> of the functions and the derivatives
  //! <D> for the variable <X>.
  //! Returns True if the computation was done successfully,
  //! False otherwise.
  Standard_EXPORT   Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D) ;
  
  //! returns  point  on  surface
  Standard_EXPORT   gp_Pnt2d Solution()  const;




protected:





private:



  Adaptor3d_CurvePtr myCurve;
  Adaptor3d_SurfacePtr mySurface;
  Standard_Real myt;
  Standard_Real myU;
  Standard_Real myV;
  Standard_Integer myFix;
  Standard_Real myNorm;


};







#endif // _ProjLib_PrjFunc_HeaderFile
