avoids float to int cast, and is slightly superior in terms of rounding
("Dutch/Gauss rounding).
Signed-off-by: Ganesh Ajjanagadde <gajjanaga...@gmail.com>
---
libavcodec/texturedsp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavcodec/texturedsp.c b/libavcodec/texturedsp.c
index f32d1b3..c5e6cc6 100644
--- a/libavcodec/texturedsp.c
+++ b/libavcodec/texturedsp.c
@@ -28,6 +28,7 @@
#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
+#include "libavutil/libm.h"
#include "texturedsp.h"
@@ -528,7 +529,7 @@ static inline void rgtc2_block_internal(uint8_t *dst,
ptrdiff_t stride,
int d = (255 * 255 - r * r - g * g) / 2;
if (d > 0)
- b = rint(sqrtf(d));
+ b = lrint(sqrtf(d));
p[0] = r;
p[1] = g;
--
2.6.4
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