This improves the mathematical behavior of hypotenuse computation.
Signed-off-by: Ganesh Ajjanagadde <gajjanaga...@gmail.com>
---
libavutil/eval.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavutil/eval.c b/libavutil/eval.c
index 7642b91..44129d6 100644
--- a/libavutil/eval.c
+++ b/libavutil/eval.c
@@ -299,7 +299,7 @@ static double eval_expr(Parser *p, AVExpr *e)
case e_add: return e->value * (d + d2);
case e_last:return e->value * d2;
case e_st : return e->value * (p->var[av_clip(d, 0, VARS-1)]=
d2);
- case e_hypot:return e->value * (sqrt(d*d + d2*d2));
+ case e_hypot:return e->value * hypot(d, d2);
case e_bitand: return isnan(d) || isnan(d2) ? NAN : e->value *
((long int)d & (long int)d2);
case e_bitor: return isnan(d) || isnan(d2) ? NAN : e->value *
((long int)d | (long int)d2);
}
--
2.6.2
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