Re: luajit bitops without normalizing

Subject: Re: luajit bitops without normalizing
From: Egor Skriptunoff &lt;egor.skriptunoff@<a href="/index.cgi/larger-text/http://lua-users.org/cgi-bin/echo.cgi?rocketmail.com">... &gt;
Date: 2012年3月17日 19:58:41 +0000 (GMT)

> If there are better solutions, I'd be glad to hear them.

function rawBitScanR(num) -- num can be negative

return math.floor(math.log(num % 2^32) / math.log(2)) + 1
end