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Path: utzoo!linus!decvax!harpo!seismo!hao!hplabs!davis
From: davis@hplabs.UUCP (Jim Davis)
Newsgroups: net.wanted,net.micro
Subject: Re: Wanted: random number gen.
Message-ID: <2116@hplabs.UUCP>
Date: Mon, 9-Jan-84 03:31:14 EST
Article-I.D.: hplabs.2116
Posted: Mon Jan  9 03:31:14 1984
Date-Received: Tue, 10-Jan-84 00:45:11 EST
References: <808@cbosgd.UUCP>
Organization: Hewlett Packard Labs, Palo Alto CA
Lines: 15

With reference to a hardware random number generator (NOT a
Pseudo-random number generator):

Any generator that gets 1 or 0 heavy after a while can be easily fixed.
Write a routine that when a 0 or a 1 is desired, reads in two values.
Let 10 => 1, 01 => 0, and 11 or 00 mean to try again.  Too many try agains
mean that your generator has died.  If the original generator is powered
from true noise (no great coefficient between alternate terms) then
this will avoid becomming 1 or 0 heavy.

-- 
					Jim Davis (James W Davis)
					...!ucbvax!hplabs!davis
					davis.HP-Labs@Rand-Relay
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