#7616: fix bug in trivial number field extensions
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Reporter: rlm | Owner: rlm
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.3.1
Component: number fields | Keywords:
Work_issues: | Author: Robert Miller
Upstream: N/A | Reviewer:
Merged: |
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Changes (by rlm):
* status: needs_work => needs_review
Comment:
Replying to [comment:10 fwclarke]:
> After the patch (with 4.3.rc0):
> {{{
> sage: K.<a> = QuadraticField(-3)
> sage: L.<b> = K.extension(x - 5)
> sage: a*b
> 5*a
> }}}
> The result was `0` before.
Since b == 5, this is correct.
> But
> {{{
> sage: b
>
---------------------------------------------------------------------------
> IndexError
> ...
> IndexError: tuple index out of range
> }}}
> The result was `5` before.
I've fixed this, and posted a new patch.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7616#comment:12>
Sage <http://www.sagemath.org>
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