Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/629#discussion_r29320567
--- Diff:
flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/SparseVectorSuite.scala
---
@@ -87,4 +87,33 @@ class SparseVectorSuite extends FlatSpec with Matchers {
sparseVector should not equal(copy)
}
+
+ it should "calculate dot product with SparseVector" in {
+ val vec1 = SparseVector.fromCOO(4, (0, 1), (1, 0), (2, 1), (3, 0))
+ val vec2 = SparseVector.fromCOO(4, (0, 0), (1, 1), (2, 0), (3, 1))
--- End diff --
Again non-zero entries are continuous starting from index 0. We should add
a test case which works on more irregular non-zero entries.
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