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From: "Jeff Waltzer"

>
> One could do a primitive approximation of a Log base 2
function by
> rotating the bits to find the left most location set bit.
This would be
> good if all you need is a number from 0 to 15.

I believe I already found the perfect link. I just hate math
and have been to lazy to understand that yet.
http://www.dattalo.com/technical/theory/logs.html

Phil

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