diff options
| -rw-r--r-- | mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala | 3 | ||||
| -rw-r--r-- | mllib/src/test/scala/org/apache/spark/mllib/linalg/MatricesSuite.scala | 16 | ||||
| -rw-r--r-- | project/MimaExcludes.scala | 4 |
3 files changed, 23 insertions, 0 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 d1a174063c..3fa5e068d1 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 @@ -87,6 +87,9 @@ sealed trait Matrix extends Serializable { /** A human readable representation of the matrix */ override def toString: String = toBreeze.toString() + /** A human readable representation of the matrix with maximum lines and width */ + def toString(maxLines: Int, maxLineWidth: Int): String = toBreeze.toString(maxLines, maxLineWidth) + /** Map the values of this matrix using a function. Generates a new matrix. Performs the * function on only the backing array. For example, an operation such as addition or * subtraction will only be performed on the non-zero values in a `SparseMatrix`. */ 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 0d2cec58e2..86119ec381 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 @@ -439,4 +439,20 @@ class MatricesSuite extends FunSuite { assert(mUDT.typeName == "matrix") assert(mUDT.simpleString == "matrix") } + + test("toString") { + val empty = Matrices.ones(0, 0) + empty.toString(0, 0) + + val mat = Matrices.rand(5, 10, new Random()) + mat.toString(-1, -5) + mat.toString(0, 0) + mat.toString(Int.MinValue, Int.MinValue) + mat.toString(Int.MaxValue, Int.MaxValue) + var lines = mat.toString(6, 50).lines.toArray + assert(lines.size == 5 && lines.forall(_.size <= 50)) + + lines = mat.toString(5, 100).lines.toArray + assert(lines.size == 5 && lines.forall(_.size <= 100)) + } } diff --git a/project/MimaExcludes.scala b/project/MimaExcludes.scala index c2d828f982..1564babefa 100644 --- a/project/MimaExcludes.scala +++ b/project/MimaExcludes.scala @@ -64,6 +64,10 @@ object MimaExcludes { // SPARK-6492 Fix deadlock in SparkContext.stop() ProblemFilters.exclude[MissingMethodProblem]("org.apache.spark.SparkContext.org$" + "apache$spark$SparkContext$$SPARK_CONTEXT_CONSTRUCTOR_LOCK") + )++ Seq( + // SPARK-6693 add tostring with max lines and width for matrix + ProblemFilters.exclude[MissingMethodProblem]( + "org.apache.spark.mllib.linalg.Matrix.toString") ) case v if v.startsWith("1.3") => |