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avutil/softfloat: Fix av_gt_sf() with large exponents try #2

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 05b05a7a841c0c67cce319941104d6f11b9ecd84)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-08 15:03:28 +01:00
parent 0f9c617979
commit 6581e40e1a
1 changed files with 2 additions and 2 deletions
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libavutil/softfloat.h
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@ -128,10 +128,10 @@ static inline av_const int av_cmp_sf(SoftFloat a, SoftFloat b){
static inline av_const int av_gt_sf(SoftFloat a, SoftFloat b) static inline av_const int av_gt_sf(SoftFloat a, SoftFloat b)
{ {
int t= a.exp - b.exp; int t= a.exp - b.exp;
if (t <-31) return 0; if (t <-31) return 0 > b.mant ;
else if (t < 0) return (a.mant >> (-t)) > b.mant ; else if (t < 0) return (a.mant >> (-t)) > b.mant ;
else if (t < 32) return a.mant > (b.mant >> t); else if (t < 32) return a.mant > (b.mant >> t);
else return 1; else return a.mant > 0 ;
} }
static inline av_const SoftFloat av_add_sf(SoftFloat a, SoftFloat b){ static inline av_const SoftFloat av_add_sf(SoftFloat a, SoftFloat b){