@Test
public void testNormalize() {

    final Vector3f retval = new Vector3f(2.071f, 2.45f, 1.35f).normalize();
    assertNotNull(retval);
    assertEquals(0.5950255f, retval.x, 0.01f);
    assertEquals(0.70391715f, retval.y, 0.0f);
    assertEquals(0.3878727f, retval.z, 0.0f);
}