zio_get_zdim_size

INTERFACE:

         integer function zio_get_zdim_size(iocomm,gsize,zstart,zcount,  &
      &                                     niopes)

DESCRIPTION:

Returns ``Z'' dimension's offset and size on an I/O staging process. A zero is returned for zcount if the current process is not an I/O staging process.

REVISION HISTORY:

       2003-Jul-14 -- created
       2003-Aug-16 -- support single task mode: ZIO_SPMD undefined

USES:

         implicit none

INPUT PARAMETERS:

         integer, intent(in) :: iocomm, gsize
         integer, intent(in), optional :: niopes

OUTPUT PARAMETERS:

         integer, intent(out) :: zstart, zcount

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