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https://issues.apache.org/jira/browse/ARROW-4497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney updated ARROW-4497:
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Fix Version/s: (was: 0.16.0)
> [C++] Determine how we want to handle hashing of floating point edge cases
> --------------------------------------------------------------------------
>
> Key: ARROW-4497
> URL: https://issues.apache.org/jira/browse/ARROW-4497
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Micah Kornfield
> Priority: Minor
> Labels: analytics
>
> We should document expected behavior or implement improvements to hashing
> floating point code:
> 1. -0.0 and 0.0 (should these be collapsed to 0.0)
> 2. NaN (Should we reduce to a single canonical version).
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