blacs_pcoord

Returns the row and column coordinates in the process grid.

Syntax

call blacs_pcoord( icontxt, pnum, prow, pcol )

Input Parameters

icontxt

INTEGER. Integer handle that indicates the context.

pnum

INTEGER. Process number the coordinates of which are to be determined. This parameter stand for the process number of the underlying machine, that is, it is a tid for PVM.

Output Parameters

prow

INTEGER. Row coordinates of the pnum process in the BLACS grid.

pcol

INTEGER. Column coordinates of the pnum process in the BLACS grid.

Description

Given the system process number, this function returns the row and column coordinates in the BLACS process grid.

Parent topic: Informational Routines

See Also

BLACS Routines Usage Example

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