On 2016-08-11 12:24, Erik Bray wrote:
In this case the difference is just one ulp.
To be more precise: the difference is actually about 0.59 ulp on Cygwin: sage: R = RealField(256) sage: log3_exact = R(3).log() sage: log3_cygwin = RDF(1.0986122886681096) sage: (R(log3_cygwin) - log3_exact)/log3_cygwin.ulp() -0.5914650915268009 -- 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.
