Accord.Tests.Math.MatrixTest.DeterminantTest2 C# (CSharp) Method

        public void DeterminantTest2()
        {
            double[,] m =
            {
                { 3.000, 1.000, 0.000, 2.000 },
                { 4.000, 1.000, 2.000, 4.000 },
                { 1.000, 1.000, 0.000, 1.000 },
                { 0.000, 1.000, 2.000, 0.000 }
            };

            double expected = 8;

            double det;
            det = Matrix.Determinant(m);
            Assert.AreEqual(expected, det);

            det = Matrix.LogDeterminant(m);
            Assert.AreEqual(Math.Log(expected), det, 1e-10);
            Assert.IsFalse(Double.IsNaN(det));

            det = Matrix.PseudoDeterminant(m);
            Assert.AreEqual(expected, det, 1e-10);
            Assert.IsFalse(Double.IsNaN(det));
        }