[Python-Dev] PEP239 (Rational Numbers) Reference Implementation and new issues

[Paul Rubin]

Fernando Pérez <fperez528 at yahoo.com> writes:
> Chad Netzer wrote:
> 
> >> Dunno about NaN, but wouldn't rational(Inf) be 1/0?
> 
> 1/0 -> NaN, b/c you can only define it as a limit and the value of
> the limit depends on whether you come into 0 from the right or from
> the left.

Projective infinity?