public double vincentyDistance(LatLong other) {
        return LatLongUtils.vincentyDistance(this, other);
    }
@Test
    public void vincentyDistance_southPoleToNorthPole_returnTwiceOfDistanceFromPoleToEquator() {
        // Calculating the distance between the north pole and the equator
        LatLong northPole = new LatLong(90d, 0d);
        // Check if the distance from pole to pole works as well in the vincentyDistance
        LatLong southPole = new LatLong(-90d, 0d);

        double vincenty = LatLongUtils.vincentyDistance(southPole, northPole);
        assertEquals(2 * DISTANCE_POLE_TO_EQUATOR, vincenty, 1);
    }