From: Vincent Fourmond <vincent.fourmond@9online.fr>
Date: 2007-01-23T08:18:43+09:00
Subject: Re: Minor Change Proposal for Class 'Numeric'

Phrogz wrote:
> Wolfgang N�dasi-Donner wrote:
>> 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.
> 
> a) Why do you need it to be so fast? Two comparisons seems pretty
> lightweight to me!

  You forget function lookup: there is three function lookup for this
code. Hardcoded in C is way faster (with only one function lookup).

	Vince

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