From: Vincent Fourmond <vincent.fourmond@9online.fr>
Date: 2007-01-23T05:53:41+09:00
Subject: Re: Minor Change Proposal for Class 'Numeric'

Wolfgang N�dasi-Donner wrote:
> Hi!
> 
> I didn't find there a discussion about this here, so first a description
> of this (very) minor change proposal.
> 
> I miss the "Sign function" in class "Numeric".
> 
> It can simply be added by something like...
> 
> class Numeric
>   def sign
>     self<0?-1:self>0?1:0
>   end
> end
> 
> ...but it should be much faster if be defined in the original class.
> 
> This method will be used in several algorithms, so it should be
> available from my point of view.

  Seconded.

	Vince
-- 
Vincent Fourmond, PhD student
http://vincent.fourmond.neuf.fr/