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Re: [Bug-glpk] lpx_simplex and bad basis status
From: |
Andrew Makhorin |
Subject: |
Re: [Bug-glpk] lpx_simplex and bad basis status |
Date: |
Mon, 8 Sep 2008 14:17:35 +0400 |
> in the lpx_simplex method of GLPK 4.31 (and 4.30), a bad initial basis
> yields a return code LPX_E_FAULT, while I would expect to get an
> LPX_E_BADB. I think this just needs a little change at glplpx01.c:379.
Lpx_simplex is obsolete and kept only for backward compatibility.
Since it does not return LPX_E_BADB (see, for example, the reference
manual for glpk 4.11), its behavior must not be changed in more
recent versions of the package. Please use glp_simplex instead.