#12173: Update FLINT to 2.3
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Reporter: mhansen | Owner: tbd
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.1
Component: packages | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: 12433 | Stopgaps:
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Comment (by jpflori):
Here is some progress hopefully:
the easiiest way I found to reproduce the memory corruption error is
through doctesting sage/schemes/elliptic_curves/ell_padic_field.py
Within this file the problem seems to come (meaning that if I remove it I
cannont repoduce the bug in a reasonable time) from the line
{{{
uN = (1 + h(x0)/y0**(2*p)).sqrt()
}}}
and more precisely from the evaluation
{{{
h(x0)
}}}
AND because it is done within a locally defined function whereas h is
defined in the outer function.
I'm not sure all the memory corruption problems come from such a case, but
at least sage/schemes/elliptic_curves/padics.py where I've seen one time
such a bug and sage/schemes/elliptic_curves/ell_tate_curve.py where I've
seen it several times use similarly locally defined functions.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12173#comment:41>
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