Procedure

     UDF ( Dummy function for UDFUNS )

     SUBROUTINE UDF ( X, VALUE )

Abstract

     Serve as a dummy function for GF routines expecting an UDFUNS
     argument. It is a no-op routine with an argument signature
     matching UDFUNS.

Required_Reading

     None.

Keywords

     None.

Declarations

     IMPLICIT NONE

     DOUBLE PRECISION      X
     DOUBLE PRECISION      VALUE

Brief_I/O

     VARIABLE  I/O  DESCRIPTION
     --------  ---  --------------------------------------------------
     X          I   Double precision value, unused.
     VALUE      I   Double precision value, unused.

Detailed_Input

     X        is a double precision value, unused.

     VALUE    is a double precision value, unused.

Detailed_Output

     None.

Parameters

     None.

Exceptions

     Error free.

Files

     None.

Particulars

     The routine performs no evaluations. It exists for routines
     expecting an UDFUNS argument. In the cases where UDFUNC is
     unneeded or unavailable, this routine provides a null operation
     alternative.

Examples

     None.

Restrictions

     None.

Literature_References

     None.

Author_and_Institution

     J. Diaz del Rio    (ODC Space)
     E.D. Wright        (JPL)

Version

    SPICELIB Version 1.0.1, 27-AUG-2021 (JDR)

        Edited the header to comply with NAIF standard.

    SPICELIB Version 1.0.0, 21-OCT-2013 (EDW)