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pbdBASE (version 0.5-3)

base.igsum2d: BLACS Sums

Description

Sum across a process grid.

Usage

base.igsum2d(ICTXT, SCOPE, m, n, x, lda, RDEST, CDEST)
base.dgsum2d(ICTXT, SCOPE, m, n, x, lda, RDEST, CDEST)

Arguments

ICTXT

BLACS ICTXT.

SCOPE

Rows, cols, or both.

m, n

Problem size.

x

Local values.

lda

Leading dimension.

RDEST

Row destination.

CDEST

Col destination.

Details

For advanced users only. See pbdDMAT for high-level functions.