@Test
public void testDegugging() {

    Assert.assertEquals(Double.valueOf(46.67d), Double.valueOf(0d + 46.67d));
    Assert.assertEquals(Double.valueOf(46.67d), Double.valueOf(Math.abs(0d + 46.67d)));
    Assert.assertEquals(Double.valueOf(46.67d), Double.valueOf(Math.abs(46.67d + 0d)));
    Assert.assertEquals(Double.valueOf(25.32d), Double.valueOf(NumberUtils.round(46.67d + -21.35d)));
}