diff options
Diffstat (limited to 'mllib')
| -rw-r--r-- | mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala | 2 | ||||
| -rw-r--r-- | mllib/src/test/scala/org/apache/spark/mllib/linalg/MatricesSuite.scala | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala b/mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala index c6de7751f5..a09bc65cf3 100644 --- a/mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala +++ b/mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala @@ -613,7 +613,7 @@ class SparseMatrix @Since("1.3.0") ( private[mllib] def update(i: Int, j: Int, v: Double): Unit = { val ind = index(i, j) - if (ind == -1) { + if (ind < 0) { throw new NoSuchElementException("The given row and column indices correspond to a zero " + "value. Only non-zero elements in Sparse Matrices can be updated.") } else { diff --git a/mllib/src/test/scala/org/apache/spark/mllib/linalg/MatricesSuite.scala b/mllib/src/test/scala/org/apache/spark/mllib/linalg/MatricesSuite.scala index a02b8c9635..57907f415c 100644 --- a/mllib/src/test/scala/org/apache/spark/mllib/linalg/MatricesSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/mllib/linalg/MatricesSuite.scala @@ -150,6 +150,10 @@ class MatricesSuite extends SparkFunSuite { sparseMat.update(0, 0, 10.0) } + intercept[NoSuchElementException] { + sparseMat.update(2, 1, 10.0) + } + sparseMat.update(0, 1, 10.0) assert(sparseMat(0, 1) === 10.0) assert(sparseMat.values(2) === 10.0) |