[FFmpeg-devel] [PATCH 2/2] avutil/eval: change sqrt to hypot

Michael Niedermayer michael at niedermayer.cc
Sun Nov 15 03:19:56 CET 2015

On Sat, Nov 14, 2015 at 12:11:20PM -0500, Ganesh Ajjanagadde wrote:
> This improves the mathematical behavior of hypotenuse computation.
> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
> ---
>  libavutil/eval.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

if a hypot() function fallback is added this is ok
otherwise the code as it is before this should be fine too in practice
doubles have a quite large exponent range, half of that is still quite

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