Help for NIMSR2IOF

 NIMSR2IOF converts a NIMS radiance cube to "I/F", where the output
 pixels contain:  IOF = pi * I / F(Solar),
 where I = Radiance in the input cube;
       F(Solar) = Solar flux, in the input cube label.

 The input cube must be in floating-point format.

 Written by:  L.W.Kamp,  2 Mar.1998

History:
  1998-03-02 lwk - initial version
  1998-03-27 lwk - fix processing of "special values"
  2000-11-15 lwk - check NS against buffer size
  2002-11-14 lwk - added FORMAT to xlget call for unix port
  2019-11-05 wlb - IDS-8142: Got test script working. Added log.

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