Github user SparkQA commented on the pull request: https://github.com/apache/spark/pull/1520#issuecomment-49946571 QA results for PR 1520:<br>- This patch PASSES unit tests.<br>- This patch merges cleanly<br>- This patch adds the following public classes (experimental):<br>trait DistributionGenerator extends Pseudorandom with Serializable {<br>class UniformGenerator extends DistributionGenerator {<br>class StandardNormalGenerator extends DistributionGenerator {<br>class PoissonGenerator(val mean: Double) extends DistributionGenerator {<br><br>For more information see test ouptut:<br>https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/17060/consoleFull
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