@Test
public void testApproximateEquals() {

    assertTrue(FastMath.approximateEquals(1000.0f, 1000.0f));
    assertTrue(FastMath.approximateEquals(100000.0f, 100001.0f));
    assertTrue(FastMath.approximateEquals(0.0f, -0.0f));
    assertFalse(FastMath.approximateEquals(10000.0f, 10001.0f));
    assertFalse(FastMath.approximateEquals(149.0f, 0.0f));
}