On Sat, Aug 23, 2008 at 1:17 PM, Nils Bruin <[EMAIL PROTECTED]> wrote: > > On Aug 23, 1:00 pm, "Fredrik Johansson" <[EMAIL PROTECTED]> > wrote: > >> Hardly, considering that this is what Python itself does: >> >> >>> 1+1j > 1-1j >> >> Traceback (most recent call last): >> File "<stdin>", line 1, in <module> >> TypeError: no ordering relation is defined for complex numbers > > Ah, well, if python itself already has uncomparable objects, then I > think Sage should only allow "<" comparison when it has a mathematical > footing.
Did you read through the article Alfredo Portes posted, which also explains some of the gotchas and subtleties of disallowing comparisons? I'm curious what you thought of it. > See also: > > http://trac.sagemath.org/sage_trac/ticket/3936 > > > > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---