#16958: MPolynomial eval mem leak
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Reporter: vbraun | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: algebra | Resolution:
Keywords: | Merged in:
Authors: Volker Braun | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/vbraun/mpolynomial_eval_mem_leak | 377220e947cf36ab019af2d243db89441a64ee7e
Dependencies: | Stopgaps:
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Changes (by vbraun):
* status: needs_work => needs_review
* cc: malb (added)
Comment:
Singular's `fast_map` returns non-normalized values (e.g. rational
coefficients are not in standard form). As far as I know, this shouldn't
be a problem yet we still segfault in the `p_Delete`. Adding a
`p_Normalize` avoids the segfault. Perhaps there is a subtle bug / hidden
assumption in `fast_map` that requires the normalization, I don't know.
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Ticket URL: <http://trac.sagemath.org/ticket/16958#comment:12>
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