#10771: gcd and lcm for fraction fields
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Reporter: SimonKing | Owner: AlexGhitza
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.7
Component: basic arithmetic | Keywords: gcd lcm fraction fields
Author: Simon King | Upstream: N/A
Reviewer: Marco Streng | Merged:
Work_issues: |
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Comment(by SimonKing):
Replying to [comment:8 SimonKing]:
> Oops, I forgot one aspect: If the gcd/lcm of the base ring raises an
error, it should be caught. Implementing it now...
Here it is:
{{{
sage: R.<q> = ZZ.extension(x^2+5)
sage: gcd(q,q)
1
sage: gcd(q,0)
1
sage: gcd(R.zero(),0)
0
sage: lcm(q,q)
1
sage: lcm(q,0)
0
}}}
Correct me if I am wrong, but I think that now every complaint is
addressed.
Best regards,
Simon
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10771#comment:9>
Sage <http://www.sagemath.org>
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