@Test
public void testIsAlmostZero() {

    LOG.info("testIsAlmostZero");
    Assert.assertTrue(MathUtils.isAlmostZero(0));
    Assert.assertFalse(MathUtils.isAlmostZero(0.01));
    Assert.assertFalse(MathUtils.isAlmostZero(-0.01));
    Assert.assertTrue(MathUtils.isAlmostZero(MathUtils.EPSILON / 2));
    Assert.assertTrue(MathUtils.isAlmostZero(-MathUtils.EPSILON / 2));
    Assert.assertFalse(MathUtils.isAlmostZero(MathUtils.EPSILON * 2));
    Assert.assertFalse(MathUtils.isAlmostZero(-MathUtils.EPSILON * 2));
}