Ehsan Mohyedin Kermani created SPARK-13788:
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Summary: CholeskyDecomposition has side effects!
Key: SPARK-13788
URL: https://issues.apache.org/jira/browse/SPARK-13788
Project: Spark
Issue Type: Bug
Components: MLlib
Affects Versions: 1.6.0
Reporter: Ehsan Mohyedin Kermani
Fix For: 2.0.0
Current CholeskyDecomposition implementation calling from lapack has side
effects due to mutating the array A representing the matrix in packed storage
format (see http://www.netlib.org/lapack/lug/node123.html ) which should be
captured by cloning A first!
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