1// The Computer Language Shootout
2// http://shootout.alioth.debian.org/
3// contributed by Isaac Gouy
4
5function ack(m,n){
6   if (m==0) { return n+1; }
7   if (n==0) { return ack(m-1,1); }
8   return ack(m-1, ack(m,n-1) );
9}
10
11function fib(n) {
12    if (n < 2){ return 1; }
13    return fib(n-2) + fib(n-1);
14}
15
16function tak(x,y,z) {
17    if (y >= x) return z;
18    return tak(tak(x-1,y,z), tak(y-1,z,x), tak(z-1,x,y));
19}
20
21for ( var i = 3; i <= 5; i++ ) {
22    ack(3,i);
23    fib(17.0+i);
24    tak(3*i+3,2*i+2,i+1);
25}
26