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Re: [Help-glpk] Excecution Error

From: glpk xypron
Subject: Re: [Help-glpk] Excecution Error
Date: Fri, 06 Apr 2012 09:45:17 +0200

Hello Esma,

an error occured in function
void chuzc(struct csa *csa, double rtol)
when choosing a non-basic column.

If you are calling the simplex solver directly you could try settting
glp_smcp-r_test = GLP_RT_ST
to avoid the error.


The coding is unclear to me:

If no non-basic variable has been chosen on the first pass then the
function sets csa->q = 0 and is happy.

If no non-basic variable has been chosen on the second pass then the
error is raised.

Best regards


-------- Original-Nachricht --------
> Datum: Thu, 5 Apr 2012 15:53:09 +0100 (BST)
> Betreff: [Help-glpk] Excecution Error

> Hello every body,
> Someone know what does the following error mean ?
> "Assertion failed: q!=0
> Error detected in file glpspx02.c at line 1698
> Abandon" 
> Best regards,
> Esma

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