#16834: Change ring fails for affine morphisms.
-------------------------------------+-------------------------------------
Reporter: gjorgenson | Owner: gjorgenson
Type: defect | Status: needs_review
Priority: minor | Milestone: sage-6.4
Component: algebraic | Resolution:
geometry | Merged in:
Keywords: | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | d3075c649bf1d23c07bed646775f7ed84fe4d7eb
u/gjorgenson/ticket/16834 | Stopgaps:
Dependencies: |
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Changes (by gjorgenson):
* status: new => needs_review
* commit: => d3075c649bf1d23c07bed646775f7ed84fe4d7eb
Old description:
> When calling the change ring function on affine morphisms an error
> occurs.
>
> {{{
>
> A.<x> = AffineSpace(QQ,1)
> h = Hom(A,A)
> f = h([1])
> f.change_ring(ZZ)
>
> }}}
New description:
When calling the change ring function on affine morphisms an index out of
bounds error occurs:
{{{
sage: A.<x> = AffineSpace(QQ,1)
sage: h = Hom(A,A)
sage: f = h([1])
sage: f.change_ring(ZZ)
}}}
--
Comment:
New commits:
||[http://git.sagemath.org/sage.git/commit/?id=d3075c649bf1d23c07bed646775f7ed84fe4d7eb
d3075c6]||{{{Minor change in change_ring function for scheme
morphisms.}}}||
--
Ticket URL: <http://trac.sagemath.org/ticket/16834#comment:2>
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