[FFmpeg-devel] [PATCH 04/10] avfilter/af_compand: use hypot()

[Ganesh Ajjanagadde]

2015-11-30 3:26 GMT-05:00 Paul B Mahol <onemda at gmail.com>:
> On 11/22/15, Ganesh Ajjanagadde <gajjanagadde at gmail.com> wrote:
>> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
>> ---
>>  libavfilter/af_compand.c | 4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/libavfilter/af_compand.c b/libavfilter/af_compand.c
>> index 3848d67..a64778e 100644
>> --- a/libavfilter/af_compand.c
>> +++ b/libavfilter/af_compand.c
>> @@ -467,13 +467,13 @@ static int config_output(AVFilterLink *outlink)
>>          L(2).b = (L(0).y - L(2).y) / (L(0).x - L(2).x);
>>
>>          theta = atan2(L(2).y - L(4).y, L(2).x - L(4).x);
>> -        len = sqrt(pow(L(2).x - L(4).x, 2.) + pow(L(2).y - L(4).y, 2.));
>> +        len = hypot(L(2).x - L(4).x, L(2).y - L(4).y);
>>          r = FFMIN(radius, len);
>>          L(3).x = L(2).x - r * cos(theta);
>>          L(3).y = L(2).y - r * sin(theta);
>>
>>          theta = atan2(L(0).y - L(2).y, L(0).x - L(2).x);
>> -        len = sqrt(pow(L(0).x - L(2).x, 2.) + pow(L(0).y - L(2).y, 2.));
>> +        len = hypot(L(0).x - L(2).x, L(0).y - L(2).y);
>>          r = FFMIN(radius, len / 2);
>>          x = L(2).x + r * cos(theta);
>>          y = L(2).y + r * sin(theta);
>> --
>> 2.6.2
>>
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>>
>
> ok

pushed, thanks.