function ack(m,n){
if (m==0) { return n+1; }
if (n==0) { return ack(m-1,1); }
return ack(m-1, ack(m,n-1) );
}
function fib(n) {
if (n < 2){ return 1; }
return fib(n-2) + fib(n-1);
}
function tak(x,y,z) {
if (y >= x) return z;
return tak(tak(x-1,y,z), tak(y-1,z,x), tak(z-1,x,y));
}
var result = 0;
for ( var i = 3; i <= 5; i++ ) {
result += ack(3,i);
result += fib(17.0+i);
result += tak(3*i+3,2*i+2,i+1);
}
var expected = 57775;
if (result != expected)
throw "ERROR: bad result: expected " + expected + " but got " + result;
postMessage("done");
close();
