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Re: Use high bits of the raw random number?
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From: |
Chet Ramey |
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Subject: |
Re: Use high bits of the raw random number? |
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Date: |
Fri, 17 May 2019 15:24:22 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 |
On 5/15/19 8:00 PM, Andrew Church wrote:
>>> It seems that the high bits should be more random. If so, maybe the
>>> high 16 bits should be kept if $RANDOM must stay in 16bits?
>>
>> This seems like something you could test and verify.
>
> This aroused my curiosity, so I passed the generator's output through
> dieharder (https://webhome.phy.duke.edu/~rgb/General/dieharder.php).
Thanks for the investigation.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/