#12173: Update FLINT to 2.3
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Reporter: mhansen |
Owner: tbd
Type: enhancement |
Status: needs_review
Priority: major |
Milestone: sage-5.3
Component: packages |
Resolution:
Keywords: flint spkg | Work
issues:
Report Upstream: N/A |
Reviewers:
Authors: Mike Hansen, Fredrik Johansson, Jean-Pierre Flori |
Merged in:
Dependencies: #12433 |
Stopgaps:
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Comment (by SimonKing):
I did not look into the patch, but according to Jean-Pierre, you had
problems with segfaults at quitting Sage.
I am pretty much sure that this comes from something similar I had to
struggle with at #12215 in the case of Pari. Namely, if you want to
deallocate C-data of pari, flint, ... instances, you should do so in a
`__dealloc__` method, but ''not'' like this:
{{{
import sage.matrix.matrix_mod2_dense
sage.matrix.matrix_mod2_dense.free_m4ri()
import sage.libs.flint.flint
sage.libs.flint.flint.free_flint_stack()
pari._unsafe_deallocate_pari_stack()
}}}
That is code from sage.all.quit_sage. I have replaced the
pari._unsafe_deallocate... by a proper `__dealloc__` method in #12215, but
perhaps you should do the same for the flint stack here?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12173#comment:130>
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