[SPARK-4409] Finished updates to API according to SPARK-4614

Author: brkyvz

mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala

@@ -19,9 +19,6 @@ package org.apache.spark.mllib.linalg
 
 import breeze.linalg.{Matrix => BM, DenseMatrix => BDM, CSCMatrix => BSM}
 
-import org.apache.spark.util.random.XORShiftRandom
-import org.apache.spark.util.Utils
-
 import java.util.{Random, Arrays}
 import scala.collection.mutable.ArrayBuffer
 

mllib/src/test/java/org/apache/spark/mllib/linalg/JavaMatricesSuite.java

@@ -21,25 +21,34 @@
 import org.junit.Test;
 
 import java.io.Serializable;
+import java.util.Random;
 
 public class JavaMatricesSuite implements Serializable {
 
     @Test
     public void randMatrixConstruction() {
-        Matrix r = Matrices.rand(3, 4, 24);
-        DenseMatrix dr = DenseMatrix.rand(3, 4, 24);
+        Random rng = new Random(24);
+        Matrix r = Matrices.rand(3, 4, rng);
+        rng.setSeed(24);
+        DenseMatrix dr = DenseMatrix.rand(3, 4, rng);
         assertArrayEquals(r.toArray(), dr.toArray(), 0.0);
 
-        Matrix rn = Matrices.randn(3, 4, 24);
-        DenseMatrix drn = DenseMatrix.randn(3, 4, 24);
+        rng.setSeed(24);
+        Matrix rn = Matrices.randn(3, 4, rng);
+        rng.setSeed(24);
+        DenseMatrix drn = DenseMatrix.randn(3, 4, rng);
         assertArrayEquals(rn.toArray(), drn.toArray(), 0.0);
 
-        Matrix s = Matrices.sprand(3, 4, 0.5, 24);
-        SparseMatrix sr = SparseMatrix.sprand(3, 4, 0.5, 24);
+        rng.setSeed(24);
+        Matrix s = Matrices.sprand(3, 4, 0.5, rng);
+        rng.setSeed(24);
+        SparseMatrix sr = SparseMatrix.sprand(3, 4, 0.5, rng);
         assertArrayEquals(s.toArray(), sr.toArray(), 0.0);
 
-        Matrix sn = Matrices.sprandn(3, 4, 0.5, 24);
-        SparseMatrix srn = SparseMatrix.sprandn(3, 4, 0.5, 24);
+        rng.setSeed(24);
+        Matrix sn = Matrices.sprandn(3, 4, 0.5, rng);
+        rng.setSeed(24);
+        SparseMatrix srn = SparseMatrix.sprandn(3, 4, 0.5, rng);
         assertArrayEquals(sn.toArray(), srn.toArray(), 0.0);
     }
 
@@ -95,8 +104,10 @@ public void concatenateMatrices() {
         int m = 3;
         int n = 2;
 
-        SparseMatrix spMat1 = SparseMatrix.sprand(m, n, 0.5, 42);
-        DenseMatrix deMat1 = DenseMatrix.rand(m, n, 42);
+        Random rng = new Random(42);
+        SparseMatrix spMat1 = SparseMatrix.sprand(m, n, 0.5, rng);
+        rng.setSeed(42);
+        DenseMatrix deMat1 = DenseMatrix.rand(m, n, rng);
         Matrix deMat2 = Matrices.eye(3);
         Matrix spMat2 = Matrices.speye(3);
         Matrix deMat3 = Matrices.eye(2);