On Thu, 01 Nov 2007 00:00:57 -0700, Robert Bradshaw <[EMAIL PROTECTED]> wrote: > The answer is, I believe, yes. Should it rely on the check flag to > decide whether or not to try and factor?
Wait, is there a good reason to ever compute the discriminant in order to represent elements of the field? Generally, check is supposed to be for checking whether the polynomial is irreducible or not, which for a quadratic field Q(sqrt(D)) just means checkin whether D is a perfect square, which is a lot easier than factoring D. -- William --~--~---------~--~----~------------~-------~--~----~ 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://sage.scipy.org/sage/ and http://modular.math.washington.edu/sage/ -~----------~----~----~----~------~----~------~--~---
