From: Martin DeMello <martindemello@...>
Date: 2006-12-03T05:54:35+09:00
Subject: Re: convert binary array to floating point decimal

On 12/3/06, Martin DeMello <martindemello@gmail.com> wrote:
>
> Ruby has a built in method for converting a binary string into an
> integer, so your code is simply
>
> def binaryStringToFloat(str)
>   str.to_i(2) * 1.0/str.length
> end

that should be

 str.to_i(2) * 1.0/(1 << str.length)

of course

martin