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(index) Avoid hypothetical divide-by-zero in tcfAvgDist

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Viktor Lofgren 2024-08-06 10:52:52 +02:00
parent 8569bb8e11
commit df6a05b9a7
1 changed files with 2 additions and 2 deletions
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4
code/index/java/nu/marginalia/index/results/IndexResultScoreCalculator.java
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@ -345,7 +345,7 @@ public class IndexResultScoreCalculator {
+ keywordMinDistFac; + keywordMinDistFac;
double tcfAvgDist = rankingParams.tcfAvgDist * (1.0 / calculateAvgMinDistance(positionsQuery, ctx)); double tcfAvgDist = rankingParams.tcfAvgDist * (1.0 / calculateAvgMinDistance(positionsQuery, ctx));
double tcfFirstPosition = rankingParams.tcfFirstPosition * (1.0 / Math.sqrt(Math.max(1, firstPosition))); double tcfFirstPosition = rankingParams.tcfFirstPosition * (1.0 / Math.sqrt(firstPosition));
double bM25 = rankingParams.bm25Weight * wordFlagsQuery.root.visit(new Bm25GraphVisitor(rankingParams.bm25Params, weightedCounts, length, ctx)); double bM25 = rankingParams.bm25Weight * wordFlagsQuery.root.visit(new Bm25GraphVisitor(rankingParams.bm25Params, weightedCounts, length, ctx));
double bFlags = rankingParams.bm25Weight * wordFlagsQuery.root.visit(new TermFlagsGraphVisitor(rankingParams.bm25Params, wordFlagsQuery.data, weightedCounts, ctx)); double bFlags = rankingParams.bm25Weight * wordFlagsQuery.root.visit(new TermFlagsGraphVisitor(rankingParams.bm25Params, wordFlagsQuery.data, weightedCounts, ctx));
@ -474,7 +474,7 @@ public class IndexResultScoreCalculator {
} }
} }
if (cnt > 0) { if (cnt > 0 && sum > 0) {
return sum / cnt; return sum / cnt;
} else { } else {
return 1000.; return 1000.;