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https://issues.apache.org/jira/browse/SPARK-13145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15129913#comment-15129913
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Xiangrui Meng commented on SPARK-13145:
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This is for Spark SQL, which uses string match to check result.
> checkAnswer should tolerate small float number error
> ----------------------------------------------------
>
> Key: SPARK-13145
> URL: https://issues.apache.org/jira/browse/SPARK-13145
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Davies Liu
>
> For example, we should the Float/Double as this:
> {code}
> abs(actual - expected) < expected * 1e-12
> {code}
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