[FFmpeg-cvslog] avcodec/acelp_pitch_delay: Minor simplification by using ff_exp10()

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Mon Dec 31 21:21:42 2018 +0100| [044be48faeadf33d3ec75cad9a9fac4fbd47fe7a] | committer: Michael Niedermayer

avcodec/acelp_pitch_delay: Minor simplification by using ff_exp10()

Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=044be48faeadf33d3ec75cad9a9fac4fbd47fe7a
---

 libavcodec/acelp_pitch_delay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/acelp_pitch_delay.c b/libavcodec/acelp_pitch_delay.c
index c345a99c81..a070d1b25d 100644
--- a/libavcodec/acelp_pitch_delay.c
+++ b/libavcodec/acelp_pitch_delay.c
@@ -118,7 +118,7 @@ int16_t ff_acelp_decode_gain_code(
                (mr_energy >> 15) - 25
            );
 #else
-    mr_energy = gain_corr_factor * exp(M_LN10 / (20 << 23) * mr_energy) /
+    mr_energy = gain_corr_factor * ff_exp10((double)mr_energy / (20 << 23)) /
                 sqrt(adsp->scalarproduct_int16(fc_v, fc_v, subframe_size));
     return mr_energy >> 12;
 #endif