Re: [PATCH v7 3/3] nl80211/mac80211: Report signal average

[Peter Zijlstra]

On Fri, 2010-11-19 at 18:07 +0900, Bruno Randolf wrote:

> Hmm, maybe I suck in mathemathics, but I don't see a way to do that given the 
> formula:
> 
> (((internal * (weight - 1)) + (val * factor)) / weight

If you assume weight == 2^n, you can write that as:

(((internal << n) - internal) + (val * factor)) >> n


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