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Re: [Bug-glpk] Bug in handling RANGES section in mps file

From: Noli Sicad
Subject: Re: [Bug-glpk] Bug in handling RANGES section in mps file
Date: Thu, 26 May 2016 10:15:44 +1000

Hi Chris,

I applied your mps.patch to mps.c

However, I got this error.

api/mps.c: In function 'read_ranges':
api/mps.c:710:41: error: 'rns' undeclared (first use in this function)
api/mps.c:710:41: note: each undeclared identifier is reported only
once for each function it appears in
make[2]: *** [libglpk_la-mps.lo] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

How do I fix this?


On 5/26/16, Chris Matrakidis <address@hidden> wrote:
> Andrew,
> glpk is saying that cont1 found in
> http://plato.asu.edu/ftp/lptestset/misc/ has no primal feasible
> solution, while other solvers can solve it. I managed to trace it to
> an error in the handling of the RANGES statement in mps files, fixed
> by the attached patch.
> After this fix the solver starts but fails due to singular basis
> matrix, but this is another issue.
> Best Regards,
> Chris Matrakidis

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