On 2014-08-21, Jeroen Demeyer <jdeme...@cage.ugent.be> wrote: > Currently in Sage, we have > > sage: RR(2/3) > 0.666666666666667 > sage: float(2/3) > 0.6666666666666666 > sage: RDF(2/3) > 0.666666666667 > > It's annoying that all these 3 are exactly the same thing (53-bit > precision floats with the same bit pattern), but all 3 have a different > __repr__. I noticed this in a doctest failure #16858 (a float was > expected, but an RDF element was returned). The easy thing to do would > be to just fix those doctests. > > However, I would actually like to make the __repr__ of RDF consistent > with the __repr__ of Python floats (except maybe NaN and infinity > values, which are currently special-cased anyway). The change itself is > quite easy, but it obviously gives massive amounts of doctest failures. > I personally don't mind fixing those, but I wanted to ask for opinions > here, since that change will have a significant impact. > > Everything I said about RDF also applies to CDF, I would change that also. > > Opinions?
I think it's a great idea, and will reduce the confusion level quite a bit; what precision will you choose as the right one? float() ? > Jeroen. > -- 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.