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Message from discussion Illegal free in libsingular/function.pyx
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Simon King  
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 More options Nov 17 2012, 1:57 am
From: Simon King <simon.k...@uni-jena.de>
Date: Sat, 17 Nov 2012 06:57:22 +0000 (UTC)
Local: Sat, Nov 17 2012 1:57 am
Subject: Re: Illegal free in libsingular/function.pyx
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Dear Nils,

On 2012-11-17, Nils Bruin <nbr...@sfu.ca> wrote:

> This is probably a good one for Simon King to look into:

Not before Monday (have a grant application to finish...)

> ...

> After all these modification one is of course tempted to blame the
> maimed libsingular. However, a *lot* of tests run successfully with
> the modifications, so I think this may be indicative of an actual
> problem, see also

> http://trac.sagemath.org/sage_trac/ticket/13447

> Should this be on a trac ticket?

I think it should be on a Sage trac ticket even if it should be the case
that ultimately it is an upstream bug. The question is whether it should
be on a *new* ticket (cc me, please!) or on #13477. Do you say that
the memory corruption occurs in a garbage collection? Then I guess it
better belong to #13477.

Cheers,
Simon


 
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