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https://issues.apache.org/jira/browse/LUCENE-8052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16257491#comment-16257491
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Robert Muir commented on LUCENE-8052:
-------------------------------------

it is described in LUCENE-8015. its not a numeric delta comparison error, its 
scoring going backwards.
I am still looking into the issues.

> Test failure: TestBasicModelG.testRandomScoring  (small numeric delta 
> comparison error)
> ---------------------------------------------------------------------------------------
>
>                 Key: LUCENE-8052
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8052
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: core/search
>            Reporter: David Smiley
>
> This seed reproduces for me on master:
> {noformat}
> 1 tests failed.
> FAILED:  
> org.apache.lucene.search.similarities.TestBasicModelG.testRandomScoring
> Error Message:
> score(1.0,13)=5.3288637E9 < score(1.0,14)=5.3288643E9
> Stack Trace:
> java.lang.AssertionError: score(1.0,13)=5.3288637E9 < 
> score(1.0,14)=5.3288643E9
>         at 
> __randomizedtesting.SeedInfo.seed([F07F8B266257D392:7BE0D29478203598]:0)
>         at org.junit.Assert.fail(Assert.java:93)
>         at 
> org.apache.lucene.search.similarities.BaseSimilarityTestCase.doTestScoring(BaseSimilarityTestCase.java:423)
>         at 
> org.apache.lucene.search.similarities.BaseSimilarityTestCase.testRandomScoring(BaseSimilarityTestCase.java:355)
> {noformat}
> ...



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