#10903: Update Singular to 3-1-2 or higher
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Reporter: malb | Owner: tbd
Type: defect | Status: needs_info
Priority: critical | Milestone: sage-4.7.2
Component: packages | Keywords: singular SageDays34 sd34
Work_issues: | Upstream: N/A
Reviewer: | Author: Burcin Erocal, Martin Albrecht
Merged: | Dependencies: #11339
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Comment(by malb):
With the updated SPKG & patch I get:
* {{{sage -t "devel/sage-
main/sage/rings/polynomial/polynomial_element.pyx"}}}
Numerical noise, nothing serious
* {{{sage -t "devel/sage-
main/sage/rings/polynomial/multi_polynomial_ideal.py"}}}
crash
* {{{sage -t "devel/sage-
main/sage/rings/polynomial/multi_polynomial_sequence.py"}}}
crash
* {{{sage -t "devel/sage-
main/sage/rings/polynomial/multi_polynomial_element.py"}}}
{{{
sage: f=(a*x-1)*((a+1)*y-1); f
Expected:
-x*y + (-a)*x + (-a - 1)*y + 1
Got:
(a^2 + a)*x*y + (-a)*x + (-a - 1)*y + 1
}}}
* {{{sage -t "devel/sage-
main/sage/rings/polynomial/multi_polynomial_libsingular.pyx"}}}
Factorisation over number fields goes horribly wrong
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10903#comment:20>
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