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Merge pull request #6698 from razvanc-r/fix_hash_float

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Fixes hash float negative 0 problem
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Rémi Verschelde 2016-10-17 09:41:39 +02:00 committed by GitHub
commit fb257f7f24
1 changed files with 4 additions and 1 deletions
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5
core/hashfuncs.h
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@ -74,7 +74,10 @@ static inline uint32_t hash_djb2_one_float(float p_in,uint32_t p_prev=5381) {
float f;
uint32_t i;
} u;
u.f=p_in;
// handle -0 case
if (p_in==0.0f) u.f=0.0f;
else u.f=p_in;
return ((p_prev<<5)+p_prev)+u.i;
}