diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2014-10-10 19:36:12 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-10-10 19:36:12 +0200 |
| commit | 171d971dbf046c25bf3b4da4eaa26cc645ed8998 (patch) | |
| tree | bf19c146598c67cd146bd9981fe8d4bfebd64aec /libavutil/softfloat.h | |
| parent | 5e6fd132ff5611b8af2d3c7506f0328858fc3de1 (diff) | |
avutil/softfloat: Fix undefined shift in av_add_sf()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/softfloat.h')
| -rw-r--r-- | libavutil/softfloat.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h index fc083e559b..8647e6a4fc 100644 --- a/libavutil/softfloat.h +++ b/libavutil/softfloat.h @@ -104,8 +104,10 @@ 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<0) return av_normalize1_sf((SoftFloat){b.exp, b.mant + (a.mant >> (-t))}); - else return av_normalize1_sf((SoftFloat){a.exp, a.mant + (b.mant >> t )}); + if (t <-31) return b; + else if (t < 0) return av_normalize1_sf((SoftFloat){b.exp, b.mant + (a.mant >> (-t))}); + else if (t < 32) return av_normalize1_sf((SoftFloat){a.exp, a.mant + (b.mant >> t )}); + else return a; } static inline av_const SoftFloat av_sub_sf(SoftFloat a, SoftFloat b){ |