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

[Reimar Döffinger]

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.