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https://issues.apache.org/jira/browse/SPARK-2281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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DB Tsai closed SPARK-2281.
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    Resolution: Not a Problem

> Simplify the duplicate code in Gradient.scala
> ---------------------------------------------
>
>                 Key: SPARK-2281
>                 URL: https://issues.apache.org/jira/browse/SPARK-2281
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib
>            Reporter: DB Tsai
>
> The Gradient.compute which returns new tuple of (gradient: Vector, loss: 
> Double) can be constructed by in-place version of Gradient.compute. Thus, we 
> don't need to maintain the duplicate code.



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