@Test
public void testGetConvolve() throws Exception {

    ArrayList<double[]> coeffhighres = new ArrayList<>();
    coeffhighres.add(new double[]{1, 2, 3, 4, 5, 6, 7, 8});
    coeffhighres.add(new double[]{1, 2, 3, 4, 5, 6, 7, 8});
    assertEquals(3.5, absorptionAuxII.convolve(3, 4, coeffhighres));
    assertEquals(4.0, absorptionAuxII.convolve(3, 5, coeffhighres));
    assertEquals(3.0, absorptionAuxII.convolve(1, 5, coeffhighres));
}