Accord.Tests.Math.BinarySearchTest.ConstructorTest4 C# (CSharp) Method

        public void ConstructorTest4()
        {
            // (x+5)^3 + 2(x+5)^2 - 10(x+5)
            Func<int, double> function = x =>
            {
                int y = (x + 5);
                return y * y * y + 2 * y * y - 10 * y;
            };

            BinarySearch search = new BinarySearch(function, -6, -4);
            double root = search.FindRoot();
            Assert.AreEqual(-5, root);
        }