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https://issues.apache.org/jira/browse/FLINK-13450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16897178#comment-16897178
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Robert Metzger commented on FLINK-13450:
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Spark had issues with {{Math}}: 
[https://twitter.com/steveloughran/status/1156555133989396481]

> Adjust tests to tolerate arithmetic differences between x86 and ARM
> -------------------------------------------------------------------
>
>                 Key: FLINK-13450
>                 URL: https://issues.apache.org/jira/browse/FLINK-13450
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Tests
>    Affects Versions: 1.9.0
>            Reporter: Stephan Ewen
>            Priority: Major
>
> Certain arithmetic operations have different precision/rounding on ARM versus 
> x86.
> Tests using floating point numbers should be changed to tolerate a certain 
> minimal deviation.



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