#12220: Updated CBC spkg
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Reporter: ncohen | Owner: ncohen
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.8
Component: linear programming | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author: Nathann Cohen
Merged: | Dependencies:
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Comment(by john_perry):
I found the problem with verbosity. `setLogLevel()` won't do squat with
the issues we're seeing, because the messages we're looking at don't go
through the interface's `messageHandler()`; instead, they are piped
directly to `std::cout`. See line 7893 of `OsiClpSolverInterface.cpp`, and
a few other lines as well.
This looks like an upstream bug. I will report it. With any luck, I'll get
some feedback. However, unless we can somehow change std::cout to
/dev/null or some such, we're probably stuck with this for the indefinite
future.
Next up: threads.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12220#comment:14>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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