Github user erikerlandson commented on the pull request:
https://github.com/apache/spark/pull/1964#issuecomment-53348770
One thing I noticed was that this will not compile:
val v = new DenseBreezeVector((1 to 10).map(j => 1.0))
val a = abs(v) // fails
However this will:
val v = new DenseBreezeVector((1 to 10).toArray.map(j => 1.0))
val a = abs(v) // works
So, constructing a breeze vector from an Array is important, as opposed to
just a Seq.
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