public void ToArray()
    {
      ComplexFloatMatrix a = new ComplexFloatMatrix(2);
      a[0,0] = new ComplexFloat(1,1);
      a[0,1] = new ComplexFloat(2,2);
      a[1,0] = new ComplexFloat(3,3);
      a[1,1] = new ComplexFloat(4,4);

      ComplexFloat[,] b = a.ToArray();

      Assert.AreEqual(a[0,0], b[0,0]);
      Assert.AreEqual(a[0,1], b[0,1]);
      Assert.AreEqual(a[1,0], b[1,0]);
      Assert.AreEqual(a[1,1], b[1,1]);
    }