//-------------------------------------------------------------------------
public virtual void test_forEach()
{
double[][] @base = new double[][]
{
new double[] { 1d, 2d },
new double[] { 3d, 4d },
new double[] { 5d, 6d }
};
DoubleMatrix test = DoubleMatrix.copyOf(@base);
double[] extracted = new double[6];
test.forEach((i, j, v) => extracted[i * 2 + j] = v);
assertTrue(Arrays.Equals(extracted, new double[] { 1d, 2d, 3d, 4d, 5d, 6d }));
}