Parallel Engineering and Scientific Subroutine Library for AIX Version 2 Release 3: Guide and Reference
BLACS Informational and Miscellaneous Subroutines
Note:
BLACS_PNUM returns an integer.
CALL BLACS_GRIDINFO (
icontxt
,
nprow
,
npcol
,
myprow
,
mypcol
)
ipnum
= BLACS_PNUM (
icontxt
,
prow
,
pcol
)
CALL BLACS_PCOORD (
icontxt
,
pnum
,
prow
,
pcol
)
CALL BLACS_BARRIER (
icontxt
,
scope
)
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