public virtual void test_rowArray()
{
double[][] @base = new double[][]
{
new double[] { 1d, 2d },
new double[] { 3d, 4d },
new double[] { 5d, 6d }
};
DoubleMatrix test = DoubleMatrix.copyOf(@base);
assertEquals(test.rowArray(0), new double[] { 1d, 2d });
assertEquals(test.rowArray(1), new double[] { 3d, 4d });
assertEquals(test.rowArray(2), new double[] { 5d, 6d });
assertThrows(() => test.rowArray(-1), typeof(System.IndexOutOfRangeException));
assertThrows(() => test.rowArray(4), typeof(System.IndexOutOfRangeException));
}
