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https://issues.apache.org/jira/browse/LUCENE-7312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15312364#comment-15312364
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Michael McCandless commented on LUCENE-7312:
--------------------------------------------
The test just encodes and then decodes and checks that the decoded version
indeed rounded down, yet for this particular value, for some reason, the {{Y}}
dimension failed to round down:
{noformat}
[junit4] 1> iter=2881 i=243 lat=-61.000000000001734 lon=-139.2156822602591
[junit4] 1> point=[lat=-1.0646508437165714,
lon=-2.4297720258517823([X=-0.36655223771437473, Y=-0.31622436580292346,
Z=-0.8733499201429061])]
[junit4] 1> pointEnc=[X=-0.3665522380425261, Y=-0.3162243658029234,
Z=-0.8733499202383181]
{noformat}
> Geo3dPoint test failure
> -----------------------
>
> Key: LUCENE-7312
> URL: https://issues.apache.org/jira/browse/LUCENE-7312
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/spatial3d
> Affects Versions: master (7.0)
> Reporter: Karl Wright
> Assignee: Karl Wright
>
> Here's the failure:
> {code}
> ant test -Dtestcase=TestGeo3DPoint -Dtests.method=testEncodeDecodeRoundsDown
> -Dtests.seed=7046405B94C1716E -Dtests.multiplier=3 -Dtests.slow=true
> -Dtests.locale=da-DK -Dtests.timezone=America/Detroit -Dtests.asserts=true
> -Dtests.file.encoding=UTF-8
> {code}
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