From: John W Kennedy <jwkenne@...>
Date: 2008-10-28T11:49:32+09:00
Subject: Re: float equality

The Higgs bozo wrote:
> guille lists wrote:
>> I'm a bit lost here, shouldn't (0.1) and (1 - 0.9) be equals regarding
>> the == operator?
> 
> Nope.  Floating-point is always inexact.

What you mean is that binary floating point inexactly represents decimal 
fractions.

> This is a computer thing, not 
> a Ruby thing.  The issue applies to all languages everywhere which use 
> floating point.

...binary floating point.

-- 
John W. Kennedy
  "I want everybody to be smart. As smart as they can be. A world of 
ignorant people is too dangerous to live in."
   -- Garson Kanin. "Born Yesterday"