Github user hhbyyh commented on a diff in the pull request:
https://github.com/apache/spark/pull/3997#discussion_r23139716
--- Diff:
mllib/src/test/scala/org/apache/spark/mllib/linalg/VectorsSuite.scala ---
@@ -89,6 +89,29 @@ class VectorsSuite extends FunSuite {
}
}
+ test("sparse equals with explicit 0") {
+ val sv1 = Vectors.sparse(10, Array(1, 3, 4, 7), Array(0.9, 0.8, 0.7,
0.6))
+ val sv2 = Vectors.sparse(10, Array(0, 1, 3, 4, 7), Array(0.0, 0.9,
0.8, 0.7, 0.6))
+ val sv3 = Vectors.sparse(10, Array(1, 3, 4, 5, 6, 7), Array(0.9, 0.8,
0.7, 0, 0, 0.6))
+ val sv4 = Vectors.sparse(10, Array(1, 3, 4, 7, 9), Array(0.9, 0.8,
0.7, 0.6, 0))
+ val sv5 = Vectors.sparse(10, Array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9),
+ Array(0, 0.9, 0, 0.8, 0.7, 0, 0, 0.6, 0, 0))
+
+ val vectors = Seq(sv1, sv2, sv3, sv4, sv5)
+
+ for (v <- vectors; u <- vectors) {
+ assert(v === u)
+ assert(v.## === u.##)
+ }
+
+ val another = Vectors.sparse(10, Array(1, 3, 4, 7), Array(0.9, 0.2,
0.7, 0.6))
+
+ for (v <- vectors) {
+ assert(v != another)
+ assert(v.## != another.##)
+ }
+ }
+
--- End diff --
sure. I'll add some.
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