public void TestBigInteger() { var fibNMinus2 = new BigInteger(0); var fibNMinus1 = new BigInteger(1); var sw = new Stopwatch(); sw.Start(); var ft = new FibonacciTableBigInteger(); sw.Stop(); Console.WriteLine($"FTBI1: {sw.Elapsed}"); Console.WriteLine($"{0}: {fibNMinus2}"); Console.WriteLine($"{1}: {fibNMinus1}"); sw.Restart(); for (int i = 2; i <= 1000; i++) { var fibN = fibNMinus2 + fibNMinus1; Console.WriteLine($"{i}: {fibN}"); Assert.IsTrue(ft.Contains(fibN)); fibNMinus2 = fibNMinus1; fibNMinus1 = fibN; } sw.Stop(); Console.WriteLine($"FTBI2: {sw.Elapsed}"); }