[FFmpeg-devel] [PATCH 15/15] lavc/wmaprodec: 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/wmaprodec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c
index f8f901c..cbda9e9 100644
--- a/libavcodec/wmaprodec.c
+++ b/libavcodec/wmaprodec.c
@@ -91,6 +91,7 @@
 #include "libavutil/float_dsp.h"
 #include "libavutil/intfloat.h"
 #include "libavutil/intreadwrite.h"
+#include "libavutil/libm.h"
 #include "avcodec.h"
 #include "internal.h"
 #include "get_bits.h"
@@ -1350,7 +1351,7 @@ static int decode_subframe(WMAProDecodeCtx *s)
                 const int exp = s->channel[c].quant_step -
                             (s->channel[c].max_scale_factor - *sf++) *
                             s->channel[c].scale_factor_step;
-                const float quant = pow(10.0, exp / 20.0);
+                const float quant = exp10(exp / 20.0);
                 int start = s->cur_sfb_offsets[b];
                 s->fdsp->vector_fmul_scalar(s->tmp + start,
                                            s->channel[c].coeffs + start,
-- 
2.6.4