From: Matthew Moss <matthew.moss@...>
Date: 2008-02-17T12:24:17+09:00
Subject: Re: The Smallest Circle (#157)

> May I propose a bit refined random method?
>
>      class Point < Struct.new(:x, :y)
>          def self.random
>              Point.new(0.5 - rand, 0.5 - rand)
>          end
>
> This should give us negative coordinates as well. :-)


Sure, but your algorithm should work with any set of random points,
whether they fit in the unit square from 0 to 1, -0.5 to 0.5, or
coordinates outside the unit square.