On Tue, Mar 27, 2018 at 9:59 AM, John Cremona <john.crem...@gmail.com> wrote: > > > On 27 March 2018 at 17:43, Nils Bruin <nbr...@sfu.ca> wrote: >> >> On Tuesday, March 27, 2018 at 9:35:34 AM UTC-7, William wrote: >>> >>> Just curious -- does that have the *potential* to break Magma library >>> code? E.g., maybe deep in some package code I wrote 20 years ago >>> for Magma, I use Factorization on a reational, and assume that the >>> output is "trivial". (I'm pretty sure I didn't, but...) >>> >> Yes, so if I do run into a bug I feel like reporting, I'll run it through >> "magma -n" if I don't forget, to check that my customizations aren't to >> blame. > > > Surely not, since on a vanilla Magma session an error is raised if the > argument is rational: >> Factorization(6/2); > >>> Factorization(6/2); > ^ > Runtime error in 'Factorization': Bad argument types > Argument types given: FldRatElt
Thanks. By the way, in Magma: > IsPrime(3/1); false > IsPrime(3); true so a similar overloading of isPrime by Nils would potentially break things. -- William (http://wstein.org) -- 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.
