#14711: Memleak when creating QuadraticField
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Reporter: jpflori | Owner:
Type: defect | davidloeffler
Priority: critical | Status: new
Component: number fields | Milestone: sage-5.13
Keywords: memleak, number field, | Resolution:
QuadraticField | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: u/SimonKing/ticket/14711 | Commit:
Dependencies: | Stopgaps:
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Comment (by SimonKing):
Replying to [comment:74 SimonKing]:
> This is really getting scary. I see in an interactive session that the
leak is fixed, but according to the corresponding doctest it isn't fixed.
What a fun...
When counting the number of quadratic number fields tracked by gc, I did
{{{
numberQuadFields = len([x for x in gc.get_objects() if isinstance(x, C)])
}}}
And apparently,just by chance, x became a pointer to the number field
that I wanted to delete. Hence, I had to add `del x` to make the tests
pass.
--
Ticket URL: <http://trac.sagemath.org/ticket/14711#comment:75>
Sage <http://www.sagemath.org>
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