On Monday, July 6, 2015 at 8:15:54 PM UTC+2, Dima Pasechnik wrote: > > On Monday, 6 July 2015 18:05:18 UTC+1, Maurizio Parton wrote: >> >> On cloud.sagemath.com, on a brand new notebook, if I evaluate >> >> abs(-2^(1/2)) >> >> the result is >> >> -sqrt(2) >> >> Expected result: sqrt(2) or abs(-sqrt(2)) >> >> In my local installation (SageMath Version 6.6, Release Date: 2015-04-14, >> Ubuntu 15.04) it works fine. Any idea where could be the problem? >> > > this is a bug... > Note that -sqrt(2) is a symbolic expression, and taking its abs somehow > fails on recent Sage versions; > e.g on the latest 6.8.beta. >
Fixed in Pynac-0.4.1, backport in Pynac-0.3.9.1 (it was there in 0.3.8 actually already but review is lagging) http://trac.sagemath.org/ticket/18537 Regards, -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
