[Couenne] Print out intermediate Results

[Pietro Belotti]

Dear Tom,

there are a few ways to do this. I'm assuming you have version 0.3 or
newer. you can edit CouenneRecordBestSol::update() in
Couenne/src/problem/CouenneRecordBestSol.cpp on line 244. This is one
point where a solution, given in vector givenSol, is saved. Other
points include the method CbcModel::setBestSolution() in CbcModel,
though as per recent discussions the above can catch more solutions.

If you want to exit after finding a solution that satisfies some
condition, you will have to get a hold of the underlying model and,
for instance, set its maximum time to zero so that it exit on maximum
time.

Hope this helps,
Pietro

On Wed, Mar 4, 2015 at 12:32 PM, Tom Van Acker
<Tom.VanAcker at esat.kuleuven.be> wrote:
> Dear all,
>
>
>
> Is there a way to print out an intermediate result found by Couenne? At a
> certain point the Couenne solver prints out the following line:
>
>
>
> Cbc004I Integer solution of -13 found after 2062621 iterations and 1527
> nodes (3593.06 sec)
>
> It could be that the solution I get there is sufficient for my application,
> is there a way to print the solution.
>
>
>
> With kind regards,
>
>
>
> Tom Van Acker
>
> --
> Tom Van Acker
> Researcher – University of Leuven (KU Leuven)
> Department Electrical Engineering (ESAT) - Research group Electrical Energy
> (ELECTA)
> Kasteelpark Arenberg 10 – 3001 Heverlee – Belgium
>
> WORK: +32 16 37 93 06
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>
>
>
>
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