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https://issues.apache.org/jira/browse/ARROW-4497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17661519#comment-17661519
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Rok Mihevc commented on ARROW-4497:
-----------------------------------
This issue has been migrated to [issue
#21050|https://github.com/apache/arrow/issues/21050] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [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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