#19037: Cplex backend: allow to set logfile
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Reporter: dcoudert | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.9
Component: linear | Resolution:
programming | Merged in:
Keywords: | Reviewers:
Authors: David Coudert | Work issues:
Report Upstream: N/A | Commit:
Branch: public/19037 | 44ad5fd2aab60f042f504eb1424ea32844beb2be
Dependencies: | Stopgaps:
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Changes (by dcoudert):
* status: new => needs_review
* cc: ncohen (added)
Old description:
> With this patch it is now possible to set a logfile for `Cplex`. This is
> useful for instance when you want to remember the logs or when you want
> to have access to them but don't want to see them on screen.
>
> I don't know how to do the same for other backends, in particular `GLPK`.
New description:
With this patch it is now possible to set a logfile for `Cplex`. This is
useful for instance when you want to remember the logs or when you want to
have access to them but don't want to see them on screen.
I don't know how to do the same for other backends, in particular `GLPK`.
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Comment:
The proposed implementation might certainly be improved.
Also, I'm not sure that the `CPXsetlogfile` method returns something else
than 0, which means successful according the documentation
http://www-01.ibm.com/support/knowledgecenter/SSSA5P_12.6.2/ilog.odms.cplex.help/refcallablelibrary/cpxapi/setlogfile.html?cp=SSSA5P_12.6.2%2F2-8-1-256.
I did some unsuccessful trials...
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Ticket URL: <http://trac.sagemath.org/ticket/19037#comment:3>
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