Github user feynmanliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/4286#discussion_r38369015
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/BlockMatrix.scala
---
@@ -246,4 +246,135 @@ class BlockMatrix(
val localMat = toLocalMatrix()
new BDM[Double](localMat.numRows, localMat.numCols, localMat.toArray)
}
+
+ /**
+ * Forms [[MatrixBlock]]s using `rowsPerBlock` and `colsPerBlock`, which
were provided in
+ * the constructor. Even if all [[MatrixBlock]]s (except the ones on the
right and bottom edge)
+ * have dimensions `rowsPerBlock`x`colsPerBlock`, a new [[BlockMatrix]]
will be returned.
+ */
+ def repartition(): BlockMatrix = {
+ repartition(rowsPerBlock, colsPerBlock)
+ }
+
+ /**
+ * Forms [[MatrixBlock]]s using the provided dimensions
`newRowsPerBlock`x`newColsPerBlock`
+ * Even if all [[MatrixBlock]]s (except the ones on the right and bottom
edge)
--- End diff --
Sane nit
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