On Sep 25, 2:39 pm, Nick Alexander <[EMAIL PROTECTED]> wrote:
> On 25-Sep-08, at 2:36 PM, John Cremona wrote:
>
>
>
>
>
> > 2008/9/25 William Stein <[EMAIL PROTECTED]>:
>
> >> On Wed, Sep 24, 2008 at 3:42 AM, mabshoff <[EMAIL PROTECTED]>
> >> wrote:
>
> >>> Hello folks,
>
> >>> this is alpha1, a couple hours later than I wanted, but than a bunch
> >>> of things got in the way during the day. Sources are in the usual
> >>> place at
>
> >>>http://sage.math.washington.edu/home/mabshoff/release-cycles-3.1.3/sa...
>
> >> I thought we slayed this, but on eno we have this weird failure:
>
> >> sage -t -long devel/sage/sage/rings/
> >> finite_field_ntl_gf2e
> >> .pyx
> >> **********************************************************************
> >> File "/home/wstein/eno/build/sage-3.1.3.alpha1/tmp/
> >> finite_field_ntl_gf2e.py",
> >> line 167:
> >> sage: k.modulus()
> >> Expected:
> >> x^1024 + x^19 + x^6 + x + 1
> >> Got:
> >> x^1024 + x^16 + x^15 + x^14 + x^13 + x^11 + x^10 + x^9 + x^7 +
> >> x^6 + x^2
> >> **********************************************************************
> >> 1 items had failures:
> >> 1 of 10 in __main__.example_2
> >> ***Test Failed*** 1 failures.
>
> > That is strange, since the constructor for degree up to 2048 uses a
> > precomputed table (in NTL) so should definitely not change.
>
> Also note that the result is reducible.
>
> Nick
Yes, that is really the odd thing. IIRC last time we fixed this we
turned some weak references into references and the problem magically
went away. Unfortunately this bug seems to be a Zombie and I have no
clue how to debug this :(
Cheers,
Michael
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