public void TestGetAccumulatedEnergy()
{
var input = new double[] { 4, 2, 1, 5, 1, 5, 8, 9, 3 };
var expected = 226d;
Assert.AreEqual(expected, WaveMath.GetAccumulatedEnergy(input));
input = new double[] { };
expected = 0d;
Assert.AreEqual(expected, WaveMath.GetAccumulatedEnergy(input));
}