Accord.Tests.Math.MatrixTest.AddToDiagTest1 C# (CSharp) Method

        public void AddToDiagTest1()
        {
            double[,] a = 
            {
                { 2, 5, -1 },
                { 5, 0,  2 },
            };

            double[,] expected =
            {
                {  3, 5, -1 },
                {  5, 1,  2 },
            };

            double[,] actual = Matrix.AddToDiagonal(a, 1.0);
            Assert.IsTrue(expected.IsEqual(actual));

            actual = Elementwise.SubtractFromDiagonal(actual, 1.0);
            Assert.IsTrue(actual.IsEqual(a));
        }