@Test
public void testGetDeratedMultiplier() throws Exception {

    ExponentialDeratingFunction function = new ExponentialDeratingFunction();
    double minimumDeratingValue = 0.01;
    double radius = 1.0;
    function.setMinimumDeratingValue(minimumDeratingValue);
    function.setRadius(radius);
    assertEquals(minimumDeratingValue, function.getDeratedMultiplier(0.0), 10E-10);
    assertEquals(0.0158, function.getDeratedMultiplier(0.1), 10E-5);
    assertEquals(0.0398, function.getDeratedMultiplier(0.3), 10E-5);
    assertEquals(0.1, function.getDeratedMultiplier(0.5), 10E-5);
    assertEquals(0.251, function.getDeratedMultiplier(0.7), 10E-4);
    assertEquals(0.631, function.getDeratedMultiplier(0.9), 10E-5);
    assertEquals(1.0, function.getDeratedMultiplier(radius), 0.0);
    assertEquals(1.0, function.getDeratedMultiplier(2 * radius), 0.0);
}