Github user ehsanmok commented on the pull request:
https://github.com/apache/spark/pull/11617#issuecomment-194995065
@srowen If this is not a bug now, it's at least a major issue in my
opinion. I don't understand the double standard, there're exactly side-effects
that captured correctly in BLAS but not here! I've spent a day tracking down
the bug during my implementation of
[#6417](https://issues.apache.org/jira/browse/SPARK-6417) that uses
CholeskyDecomposition.solve two times in each iteration on a fix matrix but the
matrix was changing unnoticeably. It's not about what doc says, it's about what
is right from functional style!
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