Author: Dieter Buerssner
Date: 12:14:57 07/08/03
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On July 08, 2003 at 14:37:56, Reinhard Scharnagl wrote: >>XORing three random numbers should produce a byte stream >>with an average of two bits set (instead of 1.27405) >>within a byte. > >using XORing has to be corrected into using ANDing, >and taking only TWO random numbers instead of THREE. Or one could take 4 random numbers and combine them as r1 & r2 & (r3|r4) to get an average of 1.5 set bits. Many cheap PRNGs (that typically produce 32 bits) would do, and the 4 8-bits part of one call could be combined. Regards, Dieter
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