[FFmpeg-devel] [PATCH] lavc/aacenc_utils: replace powf(x, y) by expf(logf(x), y)

Reimar Döffinger Reimar.Doeffinger at gmx.de
Wed Mar 9 08:16:14 CET 2016

On 08.03.2016, at 04:48, Ganesh Ajjanagadde <gajjanag at gmail.com> wrote:

> +                    nzl += expf(logf(s / ethresh) * nzslope);

Shouldn't log2f/exp2f be faster?
log2f at least has CPU support on x86 AFAICT.

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