From: Adam Prescott <adam@...>
Date: 2011-09-18T12:08:13+09:00
Subject: Re: Strange vector behaviour

On Sun, Sep 18, 2011 at 3:26 AM, thomas Mulvaney
<mulvaneyenator@gmail.com> wrote:
> Vector[1.1,2.2,3.3] == Vector[1,2,3]*1.1
> #=> false
>
> Returns false which shouldn't be the case.
>
> Any ideas whats going on?
>

Floating point numbers.


=> Vector[1,2,3]*1.1
>> Vector[1.1, 2.2, 3.3000000000000003]

Basically, whenever you're comparing equality of floats, you should
stop and think what you're doing.

(Less basic: http://download.oracle.com/docs/cd/E19957-01/806-3568/ncg_goldberg.html
)