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zstd_preSplit: change abs64 name to ZSTD_abs64 #4639

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zstd_preSplit: change abs64 name to ZSTD_abs64 #4639

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6 changes: 3 additions & 3 deletions lib/compress/zstd_preSplit.c
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Original file line number Diff line number Diff line change
Expand Up @@ -90,7 +90,7 @@ ZSTD_GEN_RECORD_FINGERPRINT(11, 9)
ZSTD_GEN_RECORD_FINGERPRINT(43, 8)


static U64 abs64(S64 s64) { return (U64)((s64 < 0) ? -s64 : s64); }
static U64 ZSTD_abs64(S64 s64) { return (U64)((s64 < 0) ? -s64 : s64); }

static U64 fpDistance(const Fingerprint* fp1, const Fingerprint* fp2, unsigned hashLog)
{
Expand All @@ -99,7 +99,7 @@ static U64 fpDistance(const Fingerprint* fp1, const Fingerprint* fp2, unsigned h
assert(hashLog <= HASHLOG_MAX);
for (n = 0; n < ((size_t)1 << hashLog); n++) {
distance +=
abs64((S64)fp1->events[n] * (S64)fp2->nbEvents - (S64)fp2->events[n] * (S64)fp1->nbEvents);
ZSTD_abs64((S64)fp1->events[n] * (S64)fp2->nbEvents - (S64)fp2->events[n] * (S64)fp1->nbEvents);
}
return distance;
}
Expand Down Expand Up @@ -219,7 +219,7 @@ static size_t ZSTD_splitBlock_fromBorders(const void* blockStart, size_t blockSi
{ U64 const distFromBegin = fpDistance(&fpstats->pastEvents, middleEvents, 8);
U64 const distFromEnd = fpDistance(&fpstats->newEvents, middleEvents, 8);
U64 const minDistance = SEGMENT_SIZE * SEGMENT_SIZE / 3;
if (abs64((S64)distFromBegin - (S64)distFromEnd) < minDistance)
if (ZSTD_abs64((S64)distFromBegin - (S64)distFromEnd) < minDistance)
return 64 KB;
return (distFromBegin > distFromEnd) ? 32 KB : 96 KB;
}
Expand Down