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[Bug-glpk] patch: remove spurious "zero element not allowed" errors
From: |
Steven G. Johnson |
Subject: |
[Bug-glpk] patch: remove spurious "zero element not allowed" errors |
Date: |
Tue, 24 May 2005 22:33:16 -0000 |
I've just begun using GLPK (version 4.8), and I notice that you give a
"zero element not allowed" in glplpx1.c if lpx_set_mat_row, etcetera are
called with some zero matrix entries.
In many cases, however, it is convenient for the user not to have to check
whether a matrix element is zero before calling GLPK, and it seems to me
that this error is unnecessary. In particular, inside lpx_set_mat_row
etcetera you could simply check for zero matrix elements and skip them.
I've attached a patch to accomplish this.
Cordially,
Steven G. Johnson
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