diff options
| -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){ |