@Test
public void testInterpolatedBtwArrayRange() {

    //https://en.wikipedia.org/wiki/Bilinear_interpolation
    double upperBound = SpikeInterpolation.interBetween(91, 210, 15, 14, 14.5);
    assertEquals(150.5, upperBound, 1e-2);
    double lowerBound = SpikeInterpolation.interBetween(162, 95, 15, 14, 14.5);
    assertEquals(128.5, lowerBound, 1e-2);
    //Interpolate between Y coordinate
    double v = SpikeInterpolation.interBetween(lowerBound, upperBound, 20, 21, 20.2);
    assertEquals(146.1, v, 1e-2);
}