Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/6953#discussion_r33211158
--- Diff:
mllib/src/test/scala/org/apache/spark/mllib/linalg/distributed/IndexedRowMatrixSuite.scala
---
@@ -135,6 +135,17 @@ class IndexedRowMatrixSuite extends SparkFunSuite with
MLlibTestSparkContext {
assert(closeToZero(U * brzDiag(s) * V.t - localA))
}
+ test("validate matrix sizes of svd") {
+ val k = 2
+ val A = new IndexedRowMatrix(indexedRows)
+ val svd = A.computeSVD(k, computeU = true)
+ assert(svd.U.numRows() === m)
+ assert(svd.U.numCols() === k)
+ assert(svd.s.size === k)
+ assert(svd.V.numRows() === n)
--- End diff --
This and the next line should not use parentheses for the methods.
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