From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 13 May 2010 17:58:17 +0000 (+0000)
Subject: Cast constants to float to avoid gcc converting to and from
X-Git-Tag: v0.7b2~4485
X-Git-Url: https://git.libav.org/?p=libav.git;a=commitdiff_plain;h=0628f3e8cfa03b215a6f135c0f11af3ac950ebe4

Cast constants to float to avoid gcc converting to and from
float<->double in every operation.

Originally committed as revision 23118 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index 89f79f3a52..31966734c5 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -43,8 +43,8 @@
 #   define SHR(a,b)       ((a)*(1.0/(1<<(b))))
 #   define compute_antialias compute_antialias_float
 #   define FIXR_OLD(a)    ((int)((a) * FRAC_ONE + 0.5))
-#   define FIXR(x)        (x)
-#   define FIXHR(x)       (x)
+#   define FIXR(x)        ((float)(x))
+#   define FIXHR(x)       ((float)(x))
 #   define MULH3(x, y, s) ((s)*(y)*(x))
 #   define MULLx(x, y, s) ((y)*(x))
 #   define RENAME(a) a ## _float