[sage-devel] Re: Segmentation fault factoring a multivariate polynomial over IntegerModRing

2020-04-15 Thread Sebastian Oehms

>
> It looks like this problem is going to be fixed by the upgrade to Singular 
> 4.1.3 (#25993).
>
Indeed! Thanks for pointing this out!
 

> There is another segmentation fault related to the non-commutative 
> subsystem Plural, though, causing a doctest failure on the upgrade branch. 
> See https://trac.sagemath.org/ticket/25993#comment:22 for details. Any 
> help with this is appreciated.
>
I fear I'm not familiar enought with that, but I will do an attempt. 

On Tuesday, April 14, 2020 at 7:54:03 PM UTC+2, Markus Wageringel wrote:
>
> It looks like this problem is going to be fixed by the upgrade to Singular 
> 4.1.3 (#25993).
>
> sage: R. = Integers(7)[]
> sage: p = x**2-1
> sage: p.factor()
> (x + 1) * (x + 6)
>
> There is another segmentation fault related to the non-commutative 
> subsystem Plural, though, causing a doctest failure on the upgrade branch. 
> See https://trac.sagemath.org/ticket/25993#comment:22 for details. Any 
> help with this is appreciated.
>
>

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[sage-devel] Re: Segmentation fault factoring a multivariate polynomial over IntegerModRing

2020-04-14 Thread Markus Wageringel
It looks like this problem is going to be fixed by the upgrade to Singular 
4.1.3 (#25993).

sage: R. = Integers(7)[]
sage: p = x**2-1
sage: p.factor()
(x + 1) * (x + 6)

There is another segmentation fault related to the non-commutative 
subsystem Plural, though, causing a doctest failure on the upgrade branch. 
See https://trac.sagemath.org/ticket/25993#comment:22 for details. Any help 
with this is appreciated.

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