[Osi] OsiCpx and getEmptyWarmStart?

Stefan Vigerske stefan at math.hu-berlin.de
Wed Nov 21 05:49:58 EST 2012


Hi,

I changed it to disable use of an advance basis in the upcoming LP solve 
when a too small warm start is passed to setWarmStart().
I don't know what exactly is the purpose of getEmptyWarmStart().

Stefan

On 11/10/2012 03:47 PM, Jan-Willem Goossens wrote:
> Hi,
> When solving an LP with OsiCpx, passing the empty WarmStart to setWarmStart doesnt reset the solver:
>
> osicpxsolver->initialSolve();
>
> osicpxsolver->setWarmStart(osicpxsolver->getEmptyWarmStart());
>
> osicpxsolver->resolve();
> (Zero iterations)
>
> This happens because most of the setWarmStart code is skipped because the empty warmstart has zero cols and rows.
> If this is by design, then what is the use of getEmptyWarmStart()?
>
> Jan-Willem
>
>
>
>
>
>
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