From: "Mark J. Reed" <markjreed@...>
Date: 2003-09-18T00:09:12+09:00
Subject: Re: NaN and Inifinity

On Tue, Aug 12, 2003 at 11:06:51AM +0900, Scott Thompson wrote:
> >irb(main):015:0> a = Math::log(-1)
> >=> NaN
> >irb(main):016:0> a.class
> >=> Float
> >irb(main):017:0> b = "NaN".to_f
> >=> NaN
> >irb(main):018:0> b.class
> >=> Float
> >irb(main):019:0> b.nan?
> >=> true
> 
> Hrrrm... Okee dokey.  I tried something like that and I get
> 
> irb(main):002:0> b = "NaN".to_f
> => 0.0
> irb(main):003:0> b.nan?
> => false
> 
> There must be something wacky with my Ruby. :-)

I get the same thing.  I think it's something wacky with 1.8.

-Mark