[FFmpeg-devel] [PATCH 10/15] lavc/libopusdec: replace pow(10, x) by exp10(x)

[Ganesh Ajjanagadde]

exp10, introduced recently, is superior for the purpose.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
---
 libavcodec/libopusdec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/libopusdec.c b/libavcodec/libopusdec.c
index 4cbd14a..4c663fe 100644
--- a/libavcodec/libopusdec.c
+++ b/libavcodec/libopusdec.c
@@ -24,6 +24,7 @@
 
 #include "libavutil/avassert.h"
 #include "libavutil/intreadwrite.h"
+#include "libavutil/libm.h"
 #include "avcodec.h"
 #include "internal.h"
 #include "vorbis.h"
@@ -100,7 +101,7 @@ static av_cold int libopus_decode_init(AVCodecContext *avc)
                opus_strerror(ret));
 #else
     {
-        double gain_lin = pow(10, gain_db / (20.0 * 256));
+        double gain_lin = exp10(gain_db / (20.0 * 256));
         if (avc->sample_fmt == AV_SAMPLE_FMT_FLT)
             opus->gain.d = gain_lin;
         else
-- 
2.6.4