#12140: skew Schur function indexed by [[], []] causes Segmentation Fault
-------------------------------------------------+--------------------------
Reporter: zabrocki | Owner:
sage-combinat
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.1
Component: combinatorics | Resolution:
Keywords: sf, days38 | Work issues:
Report Upstream: N/A | Reviewers: Anne
Schilling
Authors: Mike Zabrocki, Florent Hivert | Merged in:
Dependencies: | Stopgaps:
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Description changed by aschilling:
Old description:
> The following code causes a segmentation fault:
>
> {{{
> sage: s = SFASchur(QQ)
> sage: s([[], []])
> }}}
>
> I found this error because I was computing a sum with the skew_by
> operation
>
> {{{
> sage: s([]).skew_by(s([]))
> }}}
>
> which should be s[] but instead causes the segmentation fault.
>
> Apply: [attachment:trac_12140_skewschurfix-mz.patch]
New description:
The following code causes a segmentation fault:
{{{
sage: s = SFASchur(QQ)
sage: s([[], []])
}}}
I found this error because I was computing a sum with the skew_by
operation
{{{
sage: s([]).skew_by(s([]))
}}}
which should be s[] but instead causes the segmentation fault.
Apply [attachment:trac_12140_skewschurfix-mz.patch]
--
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12140#comment:6>
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