On Wed, Aug 10, 2016 at 3:08 PM, Jeroen Demeyer <jdeme...@cage.ugent.be> wrote: > On 2016-08-10 13:38, Erik Bray wrote: >> >> 1) Is it worth investigating the reason for the difference? > > > No, but it is worth determining how bad the error is. In all cases, I would > say that an error of less than 1 ulp is totally acceptable. If the error is > 1 ulp or more for a basic function (like log) on a reasonable > non-pathological input (like 3.0), I would consider that an upstream bug. > Still, it would not necessarily be a problem for Sage if the error is a few > ulp.
In this case the difference is just one ulp. >> 3) Or should the test just be updated to ignore the last couple digits >> of the result, and if so how (ellipses?) > > > The best way is to use # (rel|abs) tol in the doctest. Great, I found that shortly after posting. I think in this case it should probably be fine? -- 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 https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
