On Thu, Mar 13, 2014 at 10:07:23AM +0100, Vincent Delecroix wrote: > 2014-03-13 9:28 UTC+01:00, Marc Mezzarobba <m...@mezzarobba.net>: > > Thierry wrote: > >> - rename RR as RFF (for "real floating field"), so that this > >> representation is not preferred than the others (especially RDF which > >> is faster and allows using more libraries, with the same 53 bits of > >> precision). The current name RR suggests it is the right default > >> choice. > > > > Yes, there seems to be a lot of confusion due to the set of 53-bit > > floating-point numbers being called "real field". See #11506 for a few > > examples. > > > > These examples are great ! It would be more natural to have > sage: Infinity in RFF and NaN in RFF # real floating field > True > sage: Infinity in RR and NaN in RR # real numbers > False
Wile we are at it, create RRbar (in the sense of the natural two-ends compactification): sage: Infinity in RRbar True sage: NaN in RRbar False Ciao, Thierry > But the answer to "x in P" when x is an element and P a Parent is not > quite clear to me. > > Vincent > > -- > 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. > For more options, visit https://groups.google.com/d/optout. -- 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. For more options, visit https://groups.google.com/d/optout.