#15364: Introduce factor_or_zero into global namespace
-------------------------------------+-------------------------------------
Reporter: zabrocki | Owner:
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-6.0
Component: factorization | Resolution:
Keywords: | Merged in:
Authors: Mike Zabrocki | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
public/ticket/15364/zabrocki/factor_or_zero|
1e0e3da44e609c65c2b6b269f80991d01a33b844
Dependencies: | Stopgaps:
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Comment (by nbruin):
For Factorization objects: I think you really don't want those to get out
into the wild when constructed with 0:
{{{
sage: a=Factorization([(0,1)])
sage: b=Factorization([(2,1)])
sage: a.gcd(b)
1
sage: a^(-1)
0^-1
}}}
That's just wrong. I think that's even worse than getting an attribute
error on `.value()`.
--
Ticket URL: <http://trac.sagemath.org/ticket/15364#comment:11>
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