Subroutine:   SETNFBLANK

Purpose:      Subroutine to set a number of data values to the
              universal BLANK.

Category:     DATA

File:         floating.c

Author:       K.G. Begeman

Use:          CALL SETNFBLANK( DATA  ,    Output       real array
                               NDATA )    Input        integer

              DATA      This array will contain the NDATA BLANK values
                        on return.
              NDATA     Number of elements in DATA.

Warning:      This routine is system dependent!

Updates:      Feb 24, 1989: KGB, Document created.
              Apr 23, 1991: KGB, Implemented for HP 9000.
              May 16, 1991: KGB, Incorporated in floating.c.