The null set handle

SAF_NULL_SET is a macro defined in saf.h.

Synopsis:

SAF_NULL_SET(Db)

Description: This macro evaluates to the set handle for the null set of the database. The null set handle is most often only used in a SAF__ONE parallel call where many processors are participating solely for the sake of collectivity (See *Constants*).

See Also:

• Sets: Introduction for current chapter