@Test
public void testSphericalToCartesianZ() {

    final Vector3f sphereCoords = new Vector3f(4.29497e+09f, 0.0f, 0.0f);
    final Vector3f store = new Vector3f(0.0f, 0.0f, 0.0f);
    final Vector3f retval = FastMath.sphericalToCartesianZ(sphereCoords, store);
    assertEquals(store, retval);
    assertNotNull(store);
    assertEquals(4294969900f, store.getX(), 0.0f);
    assertEquals(0.0f, store.getY(), 0.0f);
    assertEquals(0.0f, store.getZ(), 0.0f);
    assertNotNull(retval);
    assertEquals(4294969900f, retval.getX(), 0.0f);
    assertEquals(0.0f, retval.getY(), 0.0f);
    assertEquals(0.0f, retval.getZ(), 0.0f);
}