diff options
| -rw-r--r-- | mllib/src/main/scala/org/apache/spark/mllib/linalg/Vectors.scala | 2 | ||||
| -rw-r--r-- | mllib/src/test/scala/org/apache/spark/mllib/linalg/VectorsSuite.scala | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/linalg/Vectors.scala b/mllib/src/main/scala/org/apache/spark/mllib/linalg/Vectors.scala index 9fccd6341b..60ab2aaa8f 100644 --- a/mllib/src/main/scala/org/apache/spark/mllib/linalg/Vectors.scala +++ b/mllib/src/main/scala/org/apache/spark/mllib/linalg/Vectors.scala @@ -237,7 +237,7 @@ object Vectors { private[mllib] def fromBreeze(breezeVector: BV[Double]): Vector = { breezeVector match { case v: BDV[Double] => - if (v.offset == 0 && v.stride == 1) { + if (v.offset == 0 && v.stride == 1 && v.length == v.data.length) { new DenseVector(v.data) } else { new DenseVector(v.toArray) // Can't use underlying array directly, so make a new one diff --git a/mllib/src/test/scala/org/apache/spark/mllib/linalg/VectorsSuite.scala b/mllib/src/test/scala/org/apache/spark/mllib/linalg/VectorsSuite.scala index 93a84fe07b..59cd85eab2 100644 --- a/mllib/src/test/scala/org/apache/spark/mllib/linalg/VectorsSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/mllib/linalg/VectorsSuite.scala @@ -17,6 +17,7 @@ package org.apache.spark.mllib.linalg +import breeze.linalg.{DenseMatrix => BDM} import org.scalatest.FunSuite import org.apache.spark.SparkException @@ -166,4 +167,10 @@ class VectorsSuite extends FunSuite { assert(v === udt.deserialize(udt.serialize(v))) } } + + test("fromBreeze") { + val x = BDM.zeros[Double](10, 10) + val v = Vectors.fromBreeze(x(::, 0)) + assert(v.size === x.rows) + } } |