Signed-off-by: Ganesh Ajjanagadde <[email protected]>
---
libavfilter/vsrc_mptestsrc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/vsrc_mptestsrc.c b/libavfilter/vsrc_mptestsrc.c
index bc5b2cd..668a001 100644
--- a/libavfilter/vsrc_mptestsrc.c
+++ b/libavfilter/vsrc_mptestsrc.c
@@ -240,7 +240,7 @@ static void ring2_test(uint8_t *dst, int dst_linesize, int
off)
for (y = 0; y < 16*16; y++) {
for (x = 0; x < 16*16; x++) {
- double d = sqrt((x-8*16)*(x-8*16) + (y-8*16)*(y-8*16));
+ double d = hypot(x-8*16, y-8*16);
double r = d/20 - (int)(d/20);
if (r < off/30.0) {
dst[x + y*dst_linesize] = 255;
--
2.6.2
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