@Test
public void testGetExponential() {

    assertEquals(2.7182817459106445, gaseousAbsorptionAlgo.getExponential(1, -1, 1), 1e-8);
    assertEquals(0.36787945, gaseousAbsorptionAlgo.getExponential(1, 1, 1), 1e-8);
    assertEquals(1.0, gaseousAbsorptionAlgo.getExponential(1, 0, 1), 1e-8);
}