On 2013-01-28, Julien Puydt <julien.pu...@laposte.net> wrote:
> Hi,
>
> here is where we stand:
>
> - build: ok, even though libm4rie's conversion.c is a pain ;
>
> - ptestlong: three failing tests, related to libc's gamma function (as 
> usual... I should find the time to fix that...) ;
>
> - bdist: available in the bdist/ directory of my home dir (~jpuydt) on 
> sage.math.washington.edu
>
>
> Snark on #sagemath
>
> PS: in case someone has access to another ARM box than ubuntu-based, 
> here is which files give problems ; please report if you don't see errors :
> sage -t  --long -force_lib devel/sage/sage/functions/other.py
> sage -t  --long -force_lib devel/sage/sage/symbolic/expression.pyx
> sage -t  --long -force_lib devel/sage/sage/rings/arith.py

I wonder why exactly these files also produce numerical noise on Cygwin,
as I reported:
http://boxen.math.washington.edu/home/dima/tmp/cygwin_sage-5.7.beta0.test.log
E.g.
File
"/usr/local/src/sage/sage-5.7.beta0/devel/sage/sage/rings/arith.py",
line 3162:
    sage: binomial(0.5r, 5)
Expected:
    0.02734375
Got:
    0.02734375000000001

How one does get numerical noise like this on an Intel, is beyond me.

Dima



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