Weichen Xu created SPARK-21862: ---------------------------------- Summary: Add overflow check in PCA Key: SPARK-21862 URL: https://issues.apache.org/jira/browse/SPARK-21862 Project: Spark Issue Type: Improvement Components: ML Affects Versions: 2.2.0, 2.3.0 Reporter: Weichen Xu Priority: Minor
We should add overflow check in PCA, otherwise it is possible to throw `NegativeArraySizeException` when `k` and `numFeatures` are too large. The overflow checking formula is here: https://github.com/scalanlp/breeze/blob/master/math/src/main/scala/breeze/linalg/functions/svd.scala#L87 -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org