I can confirm that this same numerical noise (binomial, gamma functions) happens on the ARM6 on the Raspberry Pi, running the 'raspian' distro. (Which isn't Ubuntu, though it is a Debian derivative.)
On Monday, January 28, 2013 1:55:30 PM UTC+3, Dima Pasechnik wrote: > > On 2013-01-28, Julien Puydt <julien...@laposte.net <javascript:>> 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 > > > > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
