Author: Dieter Buerssner
Date: 03:57:32 12/31/01
Go up one level in this thread
On December 31, 2001 at 05:12:38, Sune Fischer wrote:
>Yes, that is a good test also.
Especially when higher dimension, than 2 is used.
>BTW. Numerical Recipes has a chapter 7 about PRNGs:
>http://www.ulib.org/webRoot/Books/Numerical_Recipes/bookc.html
It gets very off topic.
I think the chapter on PRNGs in Numerical Recipes should be treated with care.
For example it shows the Lagged Fibonacci Generator of Knuth, which fails really
big time in the duplicate birthday spacing test of diehard. A test, that even
does not take account for, in which order the numbers are generated, and also
only needs rather few random numbers to show the failure. IIRC, it also failed
some of my private tests.
>>say: "Happy New Year Everyone!"
>
>and that goes for me 2.
And for me. Cheers,
Dieter
A random number generator is like sex;
When it's good, it's wonderful,
And when it's bad, it's still pretty good.
And when it's bad, try a twosome or threesome. George Marsaglia
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