[Cbc] Bug

John J Forrest jjforre at us.ibm.com
Tue Feb 10 07:41:02 EST 2009


Gleb,

Unfortunately I am unable to reproduce this bug, either optimized or with
debug.  That is using gcc 4.2 on Linux.

John Forrest


                                                                                                                         
  From:       Gleb Belov <gleb.belov at tu-dresden.de>                                                                      
                                                                                                                         
  To:         cbc at list.coin-or.org                                                                                       
                                                                                                                         
  Date:       02/10/2009 06:22 AM                                                                                        
                                                                                                                         
  Subject:    [Cbc] Bug                                                                                                  
                                                                                                                         





Hi,

attached is an lp file producing a "proven" optimum 21 in:
     Coin Cbc and Clp Solver version 2.20.00, build Feb  9 2009

while, e.g., Cplex 9.1 reports 20

regards
gleb


[attachment "scheit.lp" deleted by John J Forrest/Watson/IBM]
_______________________________________________
Cbc mailing list
Cbc at list.coin-or.org
http://list.coin-or.org/mailman/listinfo/cbc

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://list.coin-or.org/pipermail/cbc/attachments/20090210/904870df/attachment.html 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: graycol.gif
Type: image/gif
Size: 105 bytes
Desc: not available
Url : http://list.coin-or.org/pipermail/cbc/attachments/20090210/904870df/attachment.gif 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: ecblank.gif
Type: image/gif
Size: 45 bytes
Desc: not available
Url : http://list.coin-or.org/pipermail/cbc/attachments/20090210/904870df/attachment-0001.gif 


More information about the Cbc mailing list