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https://issues.apache.org/jira/browse/LUCENE-7179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15226888#comment-15226888
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Nicholas Knize commented on LUCENE-7179:
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b.q. Not true: we can take float instead.
I'm not talking about float vs. double. I'm talking about encoding to 64 bit
unsigned space. (this is why I dislike the term "quantization" it's only part
of the GeoPointField encoding). Encoding to 64 bit unsigned space is required
for GeoPointField so that GeoPointTermsEnum can continue to operate using bit
operations. Unless I change the size of the bit space.
> 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
> Attachments: LUCENE-7179.patch
>
>
> {{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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