On Thursday, September 22, 2022 at 5:29:41 AM UTC+2 Travis Scrimshaw wrote:
> No, it is not. The generic fraction field can only reduce something up to > a unit since the gcd is defined up to a unit. I agree it looks funny, but I > don't see a sensible way to code to get a negative sign in the numerator. > Rings could define canonical units where that makes sense. This is how Nemo does it, for example: http://nemocas.github.io/Nemo.jl/stable/fraction/ Fredrik -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/1e75085b-c721-4ba5-9517-190e1a8fba23n%40googlegroups.com.
