[FFmpeg-cvslog] dcadec: replace ldexpf with a multiplication by a constant

[Niels Möller]

ffmpeg | branch: master | Niels Möller <nisse at lysator.liu.se> | Wed Jun 18 08:23:15 2014 +0200| [f2ce63246f5c934429f9cb857a794e07624d7912] | committer: Anton Khirnov

dcadec: replace ldexpf with a multiplication by a constant

Signed-off-by: Anton Khirnov <anton at khirnov.net>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f2ce63246f5c934429f9cb857a794e07624d7912
---

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

diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index 0727857..e988e94 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -1699,7 +1699,7 @@ static float dca_dmix_code(unsigned code)
 {
     int sign = (code >> 8) - 1;
     code &= 0xff;
-    return ldexpf((dca_dmixtable[code] ^ sign) - sign, -15);
+    return ((dca_dmixtable[code] ^ sign) - sign) * (1.0 / (1U << 15));
 }
 
 /**