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https://issues.apache.org/jira/browse/LUCENE-7179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15226307#comment-15226307
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Robert Muir commented on LUCENE-7179:
-------------------------------------
stability is already separately tested, e.g.:
https://github.com/apache/lucene-solr/blob/master/lucene/sandbox/src/test/org/apache/lucene/document/TestLatLonPoint.java#L109
I think this change would make some of these tests very complex or impossible,
as e.g. some of them put the value in a stored field / array /or similar for
comparisons.
It is ok two quantize twice or even 10,000 times or there is a bug.
> GeoPoint and LatLonPoint test data should quantize once
> -------------------------------------------------------
>
> Key: LUCENE-7179
> URL: https://issues.apache.org/jira/browse/LUCENE-7179
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Nicholas Knize
>
> {{LatLonPoint}} and {{GeoPointField}} tests pre quantizes test data to ensure
> consistency with indexed (encoded) data. The pre quantized data then becomes
> indexed, undergoing another quantization. To guarantee numerical stability
> this should be changed such that the test data is quantized after indexing.
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