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Merge pull request #1465 from facebook/noFilePresent

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fixed : detection of non-existing file
This commit is contained in:
Yann Collet
2018-12-20 17:21:04 -08:00
committed by GitHub
parent e4ae24c229 068c9b89be
commit 41b45b84a1
9 changed files with 114 additions and 76 deletions
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lib/compress/zstd_compress_internal.h
+3 -3
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@@ -751,10 +751,10 @@ MEM_STATIC double ZSTD_fWeight(U32 rawStat)
{
U32 const fp_accuracy = 8;
U32 const fp_multiplier = (1 << fp_accuracy);
U32 const stat = rawStat + 1;
U32 const hb = ZSTD_highbit32(stat);
U32 const newStat = rawStat + 1;
U32 const hb = ZSTD_highbit32(newStat);
U32 const BWeight = hb * fp_multiplier;
U32 const FWeight = (stat << fp_accuracy) >> hb;
U32 const FWeight = (newStat << fp_accuracy) >> hb;
U32 const weight = BWeight + FWeight;
assert(hb + fp_accuracy < 31);
return (double)weight / fp_multiplier;
lib/dictBuilder/fastcover.c
+4 -4
View File
@@ -159,15 +159,15 @@ static COVER_segment_t FASTCOVER_selectSegment(const FASTCOVER_ctx_t *ctx,
*/
while (activeSegment.end < end) {
/* Get hash value of current dmer */
const size_t index = FASTCOVER_hashPtrToIndex(ctx->samples + activeSegment.end, f, d);
const size_t idx = FASTCOVER_hashPtrToIndex(ctx->samples + activeSegment.end, f, d);
/* Add frequency of this index to score if this is the first occurence of index in active segment */
if (segmentFreqs[index] == 0) {
activeSegment.score += freqs[index];
if (segmentFreqs[idx] == 0) {
activeSegment.score += freqs[idx];
}
/* Increment end of segment and segmentFreqs*/
activeSegment.end += 1;
segmentFreqs[index] += 1;
segmentFreqs[idx] += 1;
/* If the window is now too large, drop the first position */
if (activeSegment.end - activeSegment.begin == dmersInK + 1) {
/* Get hash value of the dmer to be eliminated from active segment */