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SETSZ

       SUBROUTINE  SETSZ (SIZECM)
 C$    (Device Size)
 C$    Define the  size  of  the device  surface  onto  which  the
 C$    Normalized Device Space is to  be mapped.  The size of  the
 C$    unit square in centimeters is given by SIZECM.  Note that 1
 C$    inch = 2.54 cm exactly, so this routine may be called  with
 C$    argument (2.54*(size in inches)).   The acceptable size  of
 C$    the device surface  depends upon the  device selected.   If
 C$    too large a size is specified, the usual action will be  to
 C$    reduce the scale of the  plot to the largest possible  size
 C$    for the device.
 C$    (01-APR-82)