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avfilter/af_compand: use hypot()

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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde 2015-11-22 11:39:40 -05:00
parent 0eac93da0f
commit 5a41a5a4f5
1 changed files with 2 additions and 2 deletions
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libavfilter/af_compand.c
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@ -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);