Do you suggest the following?

0.0.positive? => true
0.0.negative? => true

2011/11/15 NARUSE, Yui <naruse / airemix.jp>

> On IEEE 754 Floating Point Numbers, there are positive 0.0 and negative
> 0.0.
>
> --
> NARUSE, Yui  <naruse / airemix.jp>
>
>