public void AbsTest()
{
Complex[] x = { new Complex(1, 5), new Complex(2, -1), new Complex(-5, 1) };
Complex[] expected = { new Complex(Math.Sqrt(26), 0), new Complex(Math.Sqrt(5), 0), new Complex(Math.Sqrt(26), 0) };
Complex[] actual = ComplexMatrix.Abs(x);
Assert.IsTrue(expected.IsEqual(actual, 1e-5));
}
