[Cbc] Cbc Digest, Vol 95, Issue 1

[John Forrest]

Yves,

Yes - although you may not need it now.  Some improvements were made to 
Gomory cuts which fixed some issues.

John

On 05/05/15 17:29, Yves Touchard wrote:
> John,
>
> Does the 2.9 revision contain the weaken cuts?
>
> Yves
>
> Le 05/05/2015 06:00 PM, cbc-request at list.coin-or.org a écrit :
>> Date: Tue, 05 May 2015 16:29:33 +0100
>> From: John Forrest<john.forrest at fastercoin.com>
>> To:cbc at list.coin-or.org
>> Subject: Re: [Cbc] Unexpected Abort
>> Message-ID:<5548E1DD.200 at fastercoin.com>
>> Content-Type: text/plain; charset="windows-1252"; Format="flowed"
>>
>> Yves,
>>
>> CglProbing tightened bounds on a variable twice and then made that a
>> column cut.  The cut did not like having a column twice.
>>
>> Fixed in 2.9 (well stable Cgl) - svn update should fix.
>>
>> John
>>
>
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