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-rw-r--r--libavutil/softfloat.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h
index e47420e..e5bfbbd 100644
--- a/libavutil/softfloat.h
+++ b/libavutil/softfloat.h
@@ -111,7 +111,10 @@ static inline av_const SoftFloat av_mul_sf(SoftFloat a, SoftFloat b){
static inline av_const SoftFloat av_div_sf(SoftFloat a, SoftFloat b){
a.exp -= b.exp;
a.mant = ((int64_t)a.mant<<(ONE_BITS+1)) / b.mant;
- return av_normalize1_sf(a);
+ a = av_normalize1_sf(a);
+ if (!a.mant || a.exp < MIN_EXP)
+ return FLOAT_0;
+ return a;
}
static inline av_const int av_cmp_sf(SoftFloat a, SoftFloat b){
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