#20435: factorisation of polynomials over integers has wrong parent
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Reporter: chapoton | Owner:
Type: defect | Status: positive_review
Priority: critical | Milestone: sage-7.2
Component: algebra | Resolution:
Keywords: factor, | Merged in:
polynomial, parent | Reviewers: Bruno Grenet
Authors: Frédéric Chapoton | Work issues:
Report Upstream: N/A | Commit:
Branch: public/20435 | 3e28bfc536ac1b69c365213f4ff385874b6aee1e
Dependencies: | Stopgaps:
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Changes (by bruno):
* status: needs_review => positive_review
* reviewer: => Bruno Grenet
Comment:
Sorry for that! The correction looks good to me.
P.S.: I suspected that using `f[0].change_ring(self._parent.base_ring())`
would have been faster than the conversion `self._parent(f[0])` but it
appears not to be the case!
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Ticket URL: <http://trac.sagemath.org/ticket/20435#comment:6>
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