public void ConjugationTestMethod()
        {
            const int length  = 1000;
            var       f       = Enumerable.Range(0, length).Select(i => Rnd.NextDouble()).ToArray();
            var       complex = f.Select(x => new Complex(x, 0)).ToArray();

            BuilderBase.Fourier(complex, FourierDirection.Forward);
            complex = complex.Select(x => Complex.Conjugate(x) / length).ToArray();
            BuilderBase.Fourier(complex, FourierDirection.Backward);
            var f1 = complex.Select(x => x.Magnitude).ToArray();

            for (var i = 0; i < length; i++)
            {
                Assert.IsTrue(Math.Abs(f[i] - f1[(length - i) % length]) < 0.0000000000001);
            }
        }