public static void Main(string[] args)
{
var stdin = new TTY(0);
stdin.Read(Encoding.ASCII, (str) => {
str = str.TrimEnd(new char[] { '\r', '\n' });
if (str.StartsWith("fib "))
{
int n;
if (!int.TryParse(str.Substring("fib ".Length), out n))
{
Console.WriteLine("Supply an integer to the fib command");
return;
}
TimeSpan span = TimeSpan.Zero;
BigInteger res = 0;
Console.WriteLine("{0}: fib({1}) starting", span, n);
Loop.Default.QueueUserWorkItem(() => {
var stopwatch = Stopwatch.StartNew();
res = Fibonacci(n);
stopwatch.Stop();
span = stopwatch.Elapsed;
}, () => {
Console.WriteLine("{0}: fib({1}) = {2}", span, n, res);
});
}
else if (str == "quit")
{
Loop.Default.Stop();
stdin.Close();
}
else if (str == "help")
{
Console.WriteLine("Available commands: ");
Console.WriteLine("fib <n:int> - start a thread which calculates fib");
Console.WriteLine("help - displays help");
Console.WriteLine("quit - quits the program");
}
else
{
Console.WriteLine("Unknown command");
}
});
stdin.Resume();
Loop.Default.Run();
}