fixed too large selectivity level, reported by Ilona Papava

2016-07-30 01:09:14 +02:00
parent c0ce4f1211
commit 70a9ff4af3
1 changed files with 1 additions and 1 deletions
@@ -879,7 +879,7 @@ size_t ZDICT_trainFromBuffer_unsafe(
    U32 const dictListSize = MAX(MAX(DICTLISTSIZE, nbSamples), (U32)(maxDictSize/16));
    dictItem* const dictList = (dictItem*)malloc(dictListSize * sizeof(*dictList));
    unsigned const selectivity = params.selectivityLevel == 0 ? g_selectivity_default : params.selectivityLevel;
-    unsigned const minRep = nbSamples >> selectivity;
+    unsigned const minRep = (selectivity > 30) ? 1 : nbSamples >> selectivity;
    size_t const targetDictSize = maxDictSize;
    size_t const samplesBuffSize = ZDICT_totalSampleSize(samplesSizes, nbSamples);
    size_t dictSize = 0;