Global to local coordinates with explicit ownership given.
g2lcoord(dim, bldim, gi, gj, gridinfo)
Global dimension.
Blocking dimension.
Global row and column indices, respectively.
The return of base.blacs(ICTXT(x))
. See the Details section
for more information.
For the process that owns the desired local data at global indices
(gi, gj)
, the return is the local index. Otherwise, NA
is returned.