#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):
If I understood correctly, singular functions are supposed to leave the
.ref-field alone, unless a ring in the interpreter is concerned. However,
I found that using the `singular_function` "ringlist" does decrease the
reference count for the current ring. That's annoying.
Could it in fact be an artefact of how `singular_function` is implemented?
If I recall correctly `ringlist(R)` is a bit tricky: It should return a
list defined in the *current* ring, but with data defining R. So, perhaps
we are somehow messing up `currRing` versus the ring that is given as
argument.
--
Ticket URL: <http://trac.sagemath.org/ticket/13447#comment:116>
Sage <http://www.sagemath.org>
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