[Cbc] I think we found a bug in cbc: How can we report it and get fixed quickly ?

Haroldo Gambini Santos haroldo.santos at gmail.com
Mon Sep 28 09:44:47 EDT 2015


Hi Thomas,

Can you send the LP where the problem occurs ?

Cheers

On 28-09-2015 01:37, ovovis wrote:
> Dear cbc team,
>
> my name is Thomas Enge from Berlin Germany. We are a small (2 persons) 
> start up company (see also www.ovovis.de <http://www.ovovis.de> and 
> then About us). We use AMPL + cbc internally to provide a portfolio 
> optimization service to energy traders. So far we only ran tests with 
> our potential customers when we detected that cbc violates the domain 
> definition of variables in the solution for specific problem settings. 
> Our variables are defined as >= 0, but the result also produces 
> negative numbers for these variables. This is the case for version 
> 2.9.4 - 2.9.6.
>
> My question is how can we address this issue best to you ? And is 
> there a way to receive a quick fix or do we need to wait for the next 
> stable release ? The latter is very important for us to understand 
> since it effects our go-live date.
>
> Thanks in advance for your help
>
> Thomas Enge
>
>
> OvvvvvvvvvvvvvvvvvvvOvis
>
> ovovis GmbH
> Dr. Thomas Enge
> Stargarder Str. 57
> D-10437 Berlin
>
> M: +49 1515 910 5118
> F: +49 30 538 10 188
> E: tenge at ovovis.de <mailto:tenge at ovovis.de>
> W: www.ovovis.de <http://www.ovovis.de>
> --------------------------------------
> Amtsgericht Charlottenburg
> HRB 116742B
> Vat-ID: DE262642185
>
>
>
>
>
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-- 
==================================================
Haroldo Gambini Santos
D.Sc, Computer Science
Universidade Federal de Ouro Preto
http://www.decom.ufop.br/haroldo/

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