[ https://issues.apache.org/jira/browse/SPARK-21862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joseph K. Bradley updated SPARK-21862: -------------------------------------- Shepherd: Joseph K. Bradley > 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 > Assignee: 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