From: Aldric Giacomoni <"aldric[removeme]"@...>
Date: 2009-04-11T05:10:09+09:00
Subject: Re: Float.finite ?

I see. Thank you..I misunderstood what the function did :)

Jeff Schwab wrote:
> ITYM Float#finite?
> 
> Aldric Giacomoni 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.
> 
> They are finite.
> 
>> How do I make this work?
> 
> #finite? doesn't tell you whether the decimal (or any other)
> representation of a number requires finite space.  #finite? tells you
> only whether the value is finite, i.e. not infinite.
> 
> irb(main):002:0> 1.0/3.0
> => 0.333333333333333
> irb(main):003:0> _.finite?
> => true
> irb(main):004:0> 1.0/0
> => Infinity
> irb(main):005:0> _.finite?
> => false
> irb(main):006:0>

-- 
Aldric Giacomoni<br>
One meets his destiny often on the road he takes to avoid it.