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. > > Thanks! > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.