@Test
public void testNegateLocal() {

    final Vector3f target = new Vector3f(-4.5f, Float.POSITIVE_INFINITY, Float.NEGATIVE_INFINITY);
    final Vector3f retval = target.negateLocal();
    assertEquals(target, retval);
    assertNotNull(retval);
    assertEquals(4.5f, retval.x, 0.0f);
    assertEquals(Float.NEGATIVE_INFINITY, retval.y, 0.0f);
    assertEquals(Float.POSITIVE_INFINITY, retval.z, 0.0f);
}