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Remove unused FSE/HUF functions

dev
Nick Terrell 2017-04-04 16:22:58 -07:00
parent dd62829ccf
commit 1af700ea43
4 changed files with 2 additions and 20 deletions
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2
contrib/linux-kernel/lib/fse.h
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@ -272,7 +272,7 @@ unsigned FSE_optimalTableLog_internal(unsigned maxTableLog, size_t srcSize, unsi
* Same as FSE_compress2(), but using an externally allocated scratch buffer (`workSpace`).
* FSE_WKSP_SIZE_U32() provides the minimum size required for `workSpace` as a table of FSE_CTable.
*/
#define FSE_WKSP_SIZE_U32(maxTableLog, maxSymbolValue) ( FSE_CTABLE_SIZE_U32(maxTableLog, maxSymbolValue) + (1<<((maxTableLog>2)?(maxTableLog-2):0)) )
#define FSE_WKSP_SIZE_U32(maxTableLog, maxSymbolValue) ( FSE_CTABLE_SIZE_U32(maxTableLog, maxSymbolValue) + ((maxTableLog > 12) ? (1 << (maxTableLog - 2)) : 1024) )
size_t FSE_compress_wksp (void* dst, size_t dstSize, const void* src, size_t srcSize, unsigned maxSymbolValue, unsigned tableLog, void* workSpace, size_t wkspSize);
size_t FSE_buildCTable_raw (FSE_CTable* ct, unsigned nbBits);

10
contrib/linux-kernel/lib/fse_compress.c
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@ -404,14 +404,6 @@ size_t FSE_count_wksp(unsigned* count, unsigned* maxSymbolValuePtr,
return FSE_countFast_wksp(count, maxSymbolValuePtr, source, sourceSize, workSpace);
}
size_t FSE_count(unsigned* count, unsigned* maxSymbolValuePtr,
const void* src, size_t srcSize)
{
unsigned tmpCounters[1024];
return FSE_count_wksp(count, maxSymbolValuePtr, src, srcSize, tmpCounters);
}
/*-**************************************************************
* FSE Compression Code
@ -765,7 +757,7 @@ 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, FSE_count(count, &maxSymbolValue, src, srcSize) );
{ CHECK_V_F(maxCount, FSE_count_wksp(count, &maxSymbolValue, src, srcSize, scratchBuffer) );
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 */

1
contrib/linux-kernel/lib/huf.h
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@ -124,7 +124,6 @@ or to save and regenerate 'CTable' using external methods.
/* FSE_count() : find it within "fse.h" */
unsigned HUF_optimalTableLog(unsigned maxTableLog, size_t srcSize, unsigned maxSymbolValue);
typedef struct HUF_CElt_s HUF_CElt; /* incomplete type */
size_t HUF_buildCTable (HUF_CElt* CTable, const unsigned* count, unsigned maxSymbolValue, unsigned maxNbBits);
size_t HUF_writeCTable (void* dst, size_t maxDstSize, const HUF_CElt* CTable, unsigned maxSymbolValue, unsigned huffLog);
size_t HUF_compress4X_usingCTable(void* dst, size_t dstSize, const void* src, size_t srcSize, const HUF_CElt* CTable);

9
contrib/linux-kernel/lib/huf_compress.c
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@ -390,15 +390,6 @@ size_t HUF_buildCTable_wksp (HUF_CElt* tree, const U32* count, U32 maxSymbolValu
return maxNbBits;
}
/** HUF_buildCTable() :
* Note : count is used before tree is written, so they can safely overlap
*/
size_t HUF_buildCTable (HUF_CElt* tree, const U32* count, U32 maxSymbolValue, U32 maxNbBits)
{
huffNodeTable nodeTable;
return HUF_buildCTable_wksp(tree, count, maxSymbolValue, maxNbBits, nodeTable, sizeof(nodeTable));
}
static size_t HUF_estimateCompressedSize(HUF_CElt* CTable, const unsigned* count, unsigned maxSymbolValue)
{
size_t nbBits = 0;