In article <slr### [at] fwicom>, ron### [at] povrayorg 
wrote:

>On Thu, 8 Feb 2001 00:36:36 +0100, Alessandro Coppo wrote:
>>*) Mersenne Twister, currently the best known
>>http://www.math.keio.ac.jp/~matumoto/emt.html,  period is 2**19937-1 it's
>>not a typo... about 10**6000!!!
>
>We can't use this one at this time as its license is GPL.

I saw the Mersenne Twister described in the latest WebTechniques. It 
looked pretty simple. GPL is a copyright, not a patent, as far as I 
know. Though I am not a lawyer, I'm pretty sure that recoding from an 
English description would not infringe on a copyright.

Jerry
-- 
http://www.hoboes.com/jerry/
"Give a man a fish and you feed him for a day. Teach him to fish, and you've
depleted the lake."--It Isn't Murder If They're Yankees
(http://www.hoboes.com/jerry/Murder/)

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