From: Todd Benson <caduceass@...>
Date: 2009-04-10T23:34:34+09:00
Subject: Re: Float.finite ?

On Fri, Apr 10, 2009 at 9:20 AM, Aldric Giacomoni
<"aldric[removeme]"@trevoke.net> wrote:
> How does one use .finite? effectively? I tried with (1.0/3).finite? => true...
> I tried with BigDecimal.. Still true. I'm pretty sure these numbers aren't
> finite. How do I make this work?

1.0/3 is most certainly finite.  Here is how #finite? works...

irb(main):001:0> 1.0/0
=> Infiinity
irb(main):002:0> (1.0/0).finite?
=> false
irb(main):003:0> (-1)**0.5
=> NaN
irb(main):004:0> ((-1)**0.5).finite?
=> false

Todd