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Fixed Visual Studio issue #60, reported by @mailagentrus

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This commit is contained in:
Yann Collet 2015-11-02 11:09:54 +01:00
parent 81ec15d234
commit 4e049bca8c
1 changed files with 21 additions and 11 deletions
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32
lib/huff0.c
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@ -362,7 +362,7 @@ size_t HUF_buildCTable (HUF_CElt* tree, const U32* count, U32 maxSymbolValue, U3
U16 min = 0;
for (n=maxNbBits; n>0; n--)
{
valPerRank[n] = min; // get starting value within each rank
valPerRank[n] = min; /* get starting value within each rank */
min += nbPerRank[n];
min >>= 1;
}
@ -1027,18 +1027,23 @@ size_t HUF_readDTableX4 (U32* DTable, const void* src, size_t srcSize)
U32 nextRankVal = 0;
U32 w, consumed;
const int rescale = (memLog-tableLog) - 1; /* tableLog <= memLog */
U32* rankVal0 = rankVal[0];
for (w=1; w<=maxW; w++)
{
U32 current = nextRankVal;
nextRankVal += rankStats[w] << (w+rescale);
rankVal[0][w] = current;
rankVal0[w] = current;
}
for (consumed = minBits; consumed <= memLog - minBits; consumed++)
{
U32* rankValPtr = rankVal[consumed];
for (w = 1; w <= maxW; w++)
{
rankValPtr[w] = rankVal0[w] >> consumed;
}
}
for (consumed=minBits; consumed <= memLog-minBits; consumed++)
for (w=1; w<=maxW; w++)
rankVal[consumed][w] = rankVal[0][w] >> consumed;
}
HUF_fillDTableX4(dt, memLog,
sortedSymbol, sizeOfSort,
rankStart0, rankVal, maxW,
@ -1394,18 +1399,23 @@ size_t HUF_readDTableX6 (U32* DTable, const void* src, size_t srcSize)
U32 nextRankVal = 0;
U32 w, consumed;
const int rescale = (memLog-tableLog) - 1; /* tableLog <= memLog */
U32* rankVal0 = rankVal[0];
for (w=1; w<=maxW; w++)
{
U32 current = nextRankVal;
nextRankVal += rankStats[w] << (w+rescale);
rankVal[0][w] = current;
rankVal0[w] = current;
}
for (consumed = minBits; consumed <= memLog - minBits; consumed++)
{
U32* rankValPtr = rankVal[consumed];
for (w = 1; w <= maxW; w++)
{
rankValPtr[w] = rankVal0[w] >> consumed;
}
}
for (consumed=minBits; consumed <= memLog-minBits; consumed++)
for (w=1; w<=maxW; w++)
rankVal[consumed][w] = rankVal[0][w] >> consumed;
}
/* fill tables */
{
HUF_DDescX6* DDescription = (HUF_DDescX6*)(DTable+1);