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[Bug-glpk] minor bug in interior-point solver

From: Andrew Makhorin
Subject: [Bug-glpk] minor bug in interior-point solver
Date: Wed, 11 Feb 2009 01:23:51 +0300

A minor bug has been detected in the interior-point solver:
if the problem is scaled, dual solution components are computed

To fix the bug please replace line 445 (file glpapi08.c):

         temp = lpx_get_obj_coef(lp, k) / sjj;

by the following line:

         temp = lpx_get_obj_coef(lp, k) * sjj;

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