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better float trickery

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This commit is contained in:
Richard Thier 2023-04-18 18:45:56 +02:00
parent fc3f4d5cfe
commit 3a2f2d326b
1 changed files with 4 additions and 2 deletions
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6
thiersort.h
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@ -411,14 +411,16 @@ static inline TSU8 ts_radixi(
k.f = (float)(arr[i].u); k.f = (float)(arr[i].u);
/* 8 bit float */ /* 8 bit float */
k.u >> 24; /* top bit always zero so ignore it and use 8 useful bits */
/* - this is why we shift 23 and not 24 here */
k.u >> 23;
/* We are fine! */ /* We are fine! */
return (TSU8)k.u; return (TSU8)k.u;
} }
if(isfloat) { if(isfloat) {
/* Sign bit can be 1! */ /* Sign bit can be 1! */
k.f = (float) (arr[i].f); k.f = arr[i].f;
/* 8 bit float */ /* 8 bit float */
k.u >> 24; k.u >> 24;