From: Jeremy Hinegardner <jeremy@...>
Date: 2009-03-20T12:07:50+09:00
Subject: Re: BigNum optimizations

On Wed, Mar 18, 2009 at 10:10:45AM +0900, Yukihiro Matsumoto wrote:
> Hi,
> 
> In message "Re: BigNum optimizations"
>     on Wed, 18 Mar 2009 10:01:07 +0900, "M. Edward (Ed) Borasky" <zznmeb@gmail.com> writes:
> 
> |> We cannot link pure GPLed library to Ruby for licensing issue. ?Last
> |> time I checked none of these multi precision numeric libraries
> |> satisfied our criteria (license, portability, etc). ?GMP (or CLN or
> |> whatever) can be used via extension, and we are happy to offer help if
> |> required.
> |
> |I just checked ... GMP is LGPL. Would that work?
> 
> Well, it's not impossible (i.e. 1.8 regex was LGPL), but not ideal.
> Some commercial Ruby users had to replace 1.8 regex by Oniguruma only
> for a license issue.  I don't want to see same situation for bignums.

How about libtommath/libtomfastmath ?  there is a gem of it available:

    http://math.libtomcrypt.com/

enjoy,

-jeremy

-- 
========================================================================
 Jeremy Hinegardner                              jeremy@hinegardner.org