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https://issues.apache.org/jira/browse/SOLR-1019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12675945#action_12675945
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Kay Kay commented on SOLR-1019:
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I believe either of the scenarios in which the fix might be invalid would be
related to the value of epsilon . If we keep the value of epsilon small enough
- Math.Double.MIN_VALUE - we might get around the issue. The bottom line is
that absolute FP comparisons can result in unpredictable behaviors, depending
on the underlying implementation something that we want to avoid.
> ConstantScorePrefixQuery.java - Absolute FP comparison on getBoost()
> ---------------------------------------------------------------------
>
> Key: SOLR-1019
> URL: https://issues.apache.org/jira/browse/SOLR-1019
> Project: Solr
> Issue Type: Bug
> Components: clients - java
> Affects Versions: 1.3
> Environment: Java 6, Tomcat 6
> Reporter: Kay Kay
> Attachments: SOLR-1019.patch
>
>
> Absolute FP comparisons are inherently unsafe. Comparisons of FP done under
> an epsilon resolution difference.
> affects ConstantScorePrefixQuery#toString() and #equals()
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