#17671: gcd and xgcd over fields, PID and UFD
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Reporter: vdelecroix | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.5
Component: basic arithmetic | Resolution:
Keywords: | Merged in:
Authors: Vincent Delecroix | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/vdelecroix/17671 | 1d84c4a9160533338cb19a8df2351cd0fc9d79d0
Dependencies: #17673 | Stopgaps:
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Comment (by bruno):
Replying to [comment:10 vdelecroix]:
> > * I do not understand exactly what you want to do with your function
`_test_gcd_vs_xgcd()`: As discussed, it is not clear that the results
should always be the same.
>
> The test is '''only''' for principal ideal domains.
Oh, right! Then I agree with your test.
Everything you've committed so far looks good to me (and passes the
tests). There are two things left:
1. The parent of `gcd(3.0,6.0)`: This ticket seems the right one to change
this.
2. The name of `xgcd` for polynomials over UFD: There does not seem to be
a consensus yet, so I would be in favor of letting this question to a
later ticket so that this ticket can get a positive review soon.
--
Ticket URL: <http://trac.sagemath.org/ticket/17671#comment:13>
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