#13447: Make libsingular multivariate polynomial rings collectable
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Reporter: nbruin | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.4
Component: memleak | Resolution:
Keywords: | Merged in:
Authors: Nils Bruin, Simon | Reviewers: Simon King
King | Work issues: Understand why
Report Upstream: None of the above | sometimes `new_RingWrap` needs an
- read trac for reasoning. | incref and sometimes not
Branch: | Commit:
Dependencies: #11521 | Stopgaps:
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Comment (by SimonKing):
And then of course the question is under what circumstances it occurs. In
the doctests of sage.libs.singular, `ringlist` was the only function
exhibiting such behaviour. Is it because its argument is a ring? Are there
other kernel functions that may change the reference count? Are there
library functions that can change the reference count? I think that's
highly likely, since there are functions returning a ring that was created
inside of the function.
--
Ticket URL: <http://trac.sagemath.org/ticket/13447#comment:117>
Sage <http://www.sagemath.org>
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