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Posted to dev@lucene.apache.org by "Uwe Schindler (JIRA)" <ji...@apache.org> on 2016/10/11 16:10:20 UTC
[jira] [Resolved] (LUCENE-7486) DisjunctionMaxScorer Initializes
scoreMax to Zero Preventing From Using Negative Scores
[ https://issues.apache.org/jira/browse/LUCENE-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Uwe Schindler resolved LUCENE-7486.
-----------------------------------
Resolution: Fixed
Fix Version/s: 6.3
master (7.0)
6.x
> DisjunctionMaxScorer Initializes scoreMax to Zero Preventing From Using Negative Scores
> ---------------------------------------------------------------------------------------
>
> Key: LUCENE-7486
> URL: https://issues.apache.org/jira/browse/LUCENE-7486
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Affects Versions: 5.5.2
> Reporter: Ivan Provalov
> Assignee: Uwe Schindler
> Fix For: 6.x, master (7.0), 6.3
>
> Attachments: LUCENE-7486.patch, LUCENE-7486.patch
>
>
> We are using a log of probability for scoring, which gives us negative scores.
> DisjunctionMaxScorer initializes scoreMax in the score(...) function to zero preventing us from using negative scores. Is there a reason it couldn't be initialized to something like this:
> float scoreMax = Float.MAX_VALUE * -1;
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