[Cbc] gosparse( )

John J Forrest jjforre at us.ibm.com
Tue Mar 4 06:10:55 EST 2008


Mahdi,

You don't really give enough information to isolate the problem.  Going
through the various versions of Clp it looks as if you are using
Clp/stable/1.1.

I would suggest you upgrade to the latest stable version of Cbc and see if
the problem disappears.  If not you will need to provide more information
to get useful help.

John Forrest


                                                                                                                    
  From:       Vahid Namazi <vana_ie at yahoo.com>                                                                      
                                                                                                                    
  To:         cbc at list.coin-or.org                                                                                  
                                                                                                                    
  Date:       03/03/2008 03:22 PM                                                                                   
                                                                                                                    
  Subject:    [Cbc] gosparse( )                                                                                     
                                                                                                                    





Hi every body,

Using Cbc I'm adding some cuts at each node of the
branch and bound tree. For relatively large problems
after some point I get an error in gosparse() function
in Coinfactorization4.cpp. The error happens at line
1674 but I don't have any clue why it happens. Can you
please let me know what this gosparse() function does
and what might be the possible reasons of the error?

Thanks a lot,
Mahdi



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