From: Mathieu Bouchard <matju@...>
Date: 2006-03-11T13:34:07+09:00
Subject: Re: how to introduce reference objects into ruby

On Fri, 10 Mar 2006, Hugh Sasse wrote:

> # There may well be a faster way, but you don't need pointers to do 
> # this.
> class Durations
>   def initialize()
>     @matrix = Hash.new
>   end
>   def insert(i,j,duration)
>     @matrix[[i,j]] = duration
>   end

If the dim of the matrix is less than 32768 by 32768, replace the [i,j]
subscript by 32768*i+j and it'll be faster because it'll be a Fixnum.

(note: The biggest Fixnum is 32768**2-1)

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| Mathieu Bouchard - t�l:+1.514.383.3801 - http://artengine.ca/matju
| Freelance Digital Arts Engineer, Montr�al QC Canada