Messages in this thread |  | | | Subject | Re: [PATCH v7 3/3] nl80211/mac80211: Report signal average | | From | Peter Zijlstra <> | | Date | Fri, 19 Nov 2010 13:16:51 +0100 |
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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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