From: Jan Dvorak <jan.dvorak@...>
Date: 2008-09-12T07:20:01+09:00
Subject: Re: Array#pack and String#unpack query

On Thursday 11 September 2008 19:59:39 Anton Hörnquist wrote:
> > [1.0, 0.75, 0.5, 0.100000001490116, 0.025000000372529,
> > 0.00999999977648258]
> > [1.0, 0.75, 0.5, 0.1, 0.025, 0.01]
> >
> > How come?

Read http://en.wikipedia.org/wiki/IEEE-754 about how floating point numbers 
are stored. 32-bit float doesn't have enough precision to store 0.1's 
bitpattern. That is why you should never compare floating point numbers 
directly.

Jan