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https://issues.apache.org/jira/browse/BEAM-7956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16906254#comment-16906254
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Neville Li commented on BEAM-7956:
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False alarm. It's indeed an issue with scala automatically unboxing
{{Float}}/{{Double}}.
See for more info:
https://github.com/spotify/scio/pull/2151
> FloatCoder and DoubleCoder structuralValue doesn't handle NaN
> -------------------------------------------------------------
>
> Key: BEAM-7956
> URL: https://issues.apache.org/jira/browse/BEAM-7956
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Affects Versions: 2.14.0
> Reporter: Neville Li
> Priority: Trivial
>
> Comparing {{Float}} and {{Double}} {{NaN}} values always yields {{false}},
> even though they serialize consistently to the same byte array.
> {{FloatCoder}} and {{DoubleCoder}} override {{consistentWithEquals}} to
> {{true}} but doesn't override {{structuralValue}} which return the orignal
> {{NaN}} and fails comparison.
> This trips {{MutationDetectors}} in tests.
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