From: Bertram Scharpf <lists@...>
Date: 2008-12-31T13:24:06+09:00
Subject: Re: N00b question about Infinity and Float

Hi,

Am Mittwoch, 31. Dez 2008, 12:12:55 +0900 schrieb Kedar Mhaswade:
> irb(main):004:0* google=10**100
> =>
> 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
> irb(main):005:0> googleplex=10**google
> (irb):5: warning: in a**b, b may be too big
> => Infinity
> irb(main):006:0> google.class
> => Bignum
> irb(main):007:0> googleplex.class
> => Float
> 
> This was nice! But, I expected googleplex.class to be BigNum. Is
> Infinity a Float?

I like this kind of questions. A weird example, though; I would
prefer an exception. BigNum * BigNum may not result in a Float.
Hit me with your refutations.

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de