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https://issues.apache.org/jira/browse/LUCENE-8281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16456077#comment-16456077
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Ignacio Vera commented on LUCENE-8281:
--------------------------------------

I think the problem is that we are building sector linear crossing edge 
iterators where maths are actually asking for full linear.

 

Currently we are only creating full linear if for some reasons bounds bounds in 
sector linear throw an error. Maybe we need to tighten checks for the bounds in 
sector linear so if they are numerically (or functionally?) identical then we 
should fall back to full linear. WDYT?

 

> Random polygon test failures
> ----------------------------
>
>                 Key: LUCENE-8281
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8281
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/spatial3d
>            Reporter: Karl Wright
>            Assignee: Karl Wright
>            Priority: Major
>         Attachments: LUCENE-8281-debugging.patch, LUCENE-8281.jpg
>
>
> Reproduce here:
> {code}
> ant test  -Dtestcase=RandomGeoPolygonTest 
> -Dtests.method=testCompareSmallPolygons -Dtests.seed=42573983280EE568 
> -Dtests.multiplier=3 -Dtests.slow=true -Dtests.locale=jmc-TZ 
> -Dtests.timezone=US/Alaska -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
> {code}



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