Public Sub IncidentDirectionVecInBodyPosPartials( _
    ByRef DirXwrtX As Double, _
    ByRef DirXwrtY As Double, _
    ByRef DirXwrtZ As Double, _
    ByRef DirYwrtX As Double, _
    ByRef DirYwrtY As Double, _
    ByRef DirYwrtZ As Double, _
    ByRef DirZwrtX As Double, _
    ByRef DirZwrtY As Double, _
    ByRef DirZwrtZ As Double _
)

public void IncidentDirectionVecInBodyPosPartials(
    ref double DirXwrtX,
    ref double DirXwrtY,
    ref double DirXwrtZ,
    ref double DirYwrtX,
    ref double DirYwrtY,
    ref double DirYwrtZ,
    ref double DirZwrtX,
    ref double DirZwrtY,
    ref double DirZwrtZ
);

public: void IncidentDirectionVecInBodyPosPartials(
    double ^ DirXwrtX,
    double ^ DirXwrtY,
    double ^ DirXwrtZ,
    double ^ DirYwrtX,
    double ^ DirYwrtY,
    double ^ DirYwrtZ,
    double ^ DirZwrtX,
    double ^ DirZwrtY,
    double ^ DirZwrtZ
);

public: HRESULT IncidentDirectionVecInBodyPosPartials(
    double * DirXwrtX,
    double * DirXwrtY,
    double * DirXwrtZ,
    double * DirYwrtX,
    double * DirYwrtY,
    double * DirYwrtZ,
    double * DirZwrtX,
    double * DirZwrtY,
    double * DirZwrtZ
);