From: Minh Tran <mtgred@...>
Date: 2008-07-02T21:48:31+09:00
Subject: Re: Arithmetic oddity

It still look odd as the value in s[2] is 2.0 which doesn't seems to 
have any rounding problem.

In any case is there any workaround to fix get the condition as true ?


Eleanor McHugh wrote:
> On 2 Jul 2008, at 12:30, Minh Tran wrote:
>> Does anyone know why s[2] == s[1] + s[0] is false ?
> If you check in IRB you'll find that ((2.0 ** 0.5) ** 2.0) == 2.0
> returns false. That will be due to rounding errors in performing the
> sequence of floating point operations.
> 
> 
> Ellie
> 
> Eleanor McHugh
> Games With Brains
> http://slides.games-with-brains.net
> ----
> raise ArgumentError unless @reality.responds_to? :reason

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