[FFmpeg-cvslog] libavutil/softfloat: Added av_normalize_sf in av_add_sf

[Nedeljko Babic]

ffmpeg | branch: master | Nedeljko Babic <nedeljko.babic at imgtec.com> | Thu Apr 30 13:51:36 2015 +0200| [7bab2814753326f74b0f0f158efb250b7f80442c] | committer: Michael Niedermayer

libavutil/softfloat: Added av_normalize_sf in av_add_sf

This will normalize sums for which mantissa is smaller than the lower boundary
(needed for implementation of fixed point aac decoder).

Signed-off-by: Nedeljko Babic <nedeljko.babic at imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7bab2814753326f74b0f0f158efb250b7f80442c
---

 libavutil/softfloat.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h
index 5f4ac26..42b3c3e 100644
--- a/libavutil/softfloat.h
+++ b/libavutil/softfloat.h
@@ -105,8 +105,8 @@ static inline av_const int av_cmp_sf(SoftFloat a, SoftFloat b){
 static inline av_const SoftFloat av_add_sf(SoftFloat a, SoftFloat b){
     int t= a.exp - b.exp;
     if      (t <-31) return b;
-    else if (t <  0) return av_normalize1_sf((SoftFloat){b.mant + (a.mant >> (-t)), b.exp});
-    else if (t < 32) return av_normalize1_sf((SoftFloat){a.mant + (b.mant >>   t ), a.exp});
+    else if (t <  0) return av_normalize_sf(av_normalize1_sf((SoftFloat){ b.mant + (a.mant >> (-t)), b.exp}));
+    else if (t < 32) return av_normalize_sf(av_normalize1_sf((SoftFloat){ a.mant + (b.mant >>   t ), a.exp}));
     else             return a;
 }