From: Chad Perrin <perrin@...>
Date: 2007-09-15T22:43:45+09:00
Subject: Re: rand()  v. rand(0.1) ?

On Sat, Sep 15, 2007 at 09:09:52PM +0900, Yukihiro Matsumoto wrote:
> Hi,
> 
> In message "Re: rand()  v. rand(0.1) ?"
>     on Sat, 15 Sep 2007 20:35:37 +0900, Chad Perrin <perrin@apotheon.com> writes:
> 
> |Speaking of which . . . obviously rand() doesn't produce a truly random
> |number, but it's reasonably close for some purposes.  I'm curious about
> |just how far off it is, though -- because I'm curious about how
> |appropriate it is to use to simulate dice-rolling for gaming software (in
> |the "roleplaying game" sense of the term "gaming") in Ruby's
> |implementation.
> 
> It uses Mersenne Twister algorithm which has a period of 2**19937-1.

Excellent!  Thank you for the quick and informative response.

-- 
CCD CopyWrite Chad Perrin [ http://ccd.apotheon.org ]
Amazon.com interview candidate: "When C++ is your hammer, everything starts
to look like your thumb."