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Update zstd to version 1.3.8

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This commit is contained in:
Tino Reichardt
2018-12-28 13:40:31 +01:00
parent 1d1e92a9fb
commit 7595ca1994
48 changed files with 4598 additions and 3214 deletions
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6
C/zstd/fse_compress.c
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@@ -115,7 +115,7 @@ size_t FSE_buildCTable_wksp(FSE_CTable* ct,
/* symbol start positions */
{ U32 u;
cumul[0] = 0;
for (u=1; u<=maxSymbolValue+1; u++) {
for (u=1; u <= maxSymbolValue+1; u++) {
if (normalizedCounter[u-1]==-1) { /* Low proba symbol */
cumul[u] = cumul[u-1] + 1;
tableSymbol[highThreshold--] = (FSE_FUNCTION_TYPE)(u-1);
@@ -658,7 +658,7 @@ size_t FSE_compress_wksp (void* dst, size_t dstSize, const void* src, size_t src
BYTE* op = ostart;
BYTE* const oend = ostart + dstSize;
U32 count[FSE_MAX_SYMBOL_VALUE+1];
unsigned count[FSE_MAX_SYMBOL_VALUE+1];
S16 norm[FSE_MAX_SYMBOL_VALUE+1];
FSE_CTable* CTable = (FSE_CTable*)workSpace;
size_t const CTableSize = FSE_CTABLE_SIZE_U32(tableLog, maxSymbolValue);
@@ -672,7 +672,7 @@ size_t FSE_compress_wksp (void* dst, size_t dstSize, const void* src, size_t src
if (!tableLog) tableLog = FSE_DEFAULT_TABLELOG;
/* Scan input and build symbol stats */
{ CHECK_V_F(maxCount, HIST_count_wksp(count, &maxSymbolValue, src, srcSize, (unsigned*)scratchBuffer) );
{ CHECK_V_F(maxCount, HIST_count_wksp(count, &maxSymbolValue, src, srcSize, scratchBuffer, scratchBufferSize) );
if (maxCount == srcSize) return 1; /* only a single symbol in src : rle */
if (maxCount == 1) return 0; /* each symbol present maximum once => not compressible */
if (maxCount < (srcSize >> 7)) return 0; /* Heuristic : not compressible enough */