On 30 March 2018 at 09:22, Simon King <simon.k...@uni-jena.de> wrote:
> On 2018-03-30, Volker Braun <vbraun.n...@gmail.com> wrote: > > The obvious answer: Show a warning if you test field elements for > primality > > * easy to implement using standard Python machinery > > * does not introduce backward-incompatibile changes > > * is mathematically correct > > * informative to casual users > > * unlikely to give spurious warnings in existing code > I don't think this will satisfy Ralf's casual user who will see 100 warnings output from their loop and not find any of the primes they were hoping for. I don't think anyone here would argue with the statement "3 is a prime number" being a correct mathematical statement. This might confuse the issue even more: sage: is_even(4/2) True sage: is_even(6/2) False while sage: is_even(5/2) raises a zero-division error! > > +1 > > -- > 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. > -- 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.