On Sep 10, 2009, at 8:54 AM, Mariah wrote: > Sorry, mistyped. Should be > > A = 2^(2^17+2^15) > > On Sep 10, 11:51 am, Mariah Lenox <[email protected]> wrote: >> In sage-4.1.1 >> >> R.<x> = PolynomialRing(ZZ) >> A = 2^(2^17+s^15) >> a = A * x^31 >> b = (A * x) * x^30 >> a == b # prints "False" ??? >> >> I believe A and 31 are minimal to exhibit the bug. >> >> Can someone confirm?
I'm seeing this too. sage: R.<x> = ZZ[] sage: A = 2^(2^17+2^15) sage: (A*x*x^30)[0] # not zero! This is on my 32-bit laptop, and 64-bit sage.math (but different non- zero coefficients). Probably a bug in FLINT. - Robert --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
