Accord.Tests.Math.SpecialTest.FactorialTest C# (CSharp) Method

        public void FactorialTest()
        {
            int n = 3;
            double expected = 6;
            double actual = Special.Factorial(n);
            Assert.AreEqual(expected, actual);

            n = 35;
            expected = 1.033314796638614e+40;
            actual = Special.Factorial(n);
            Assert.AreEqual(expected, actual, 1e27);
        }