1 // The Great Computer Language Shootout
2 // http://shootout.alioth.debian.org
4 // Contributed by Ian Osgood
6 function pad(n,width) {
9 while (s.length < width) s = ' ' + s;
14 function primes(isPrime, n) {
15 var i, count = 0, m = 10000<<n, size = m+31>>5;
18 for (i=0; i<size; i++) isPrime[i] = 0xffffffff;
23 if (isPrime[i>>5] & 1<<(i&31)) {
25 for (var j=i+i; j<m; j+=i)
26 isPrime[j>>5] &= ~(1<<(j&31));
35 for (var i = 4; i <= 4; i++) {
36 var isPrime = new Array((10000<<i)+31>>5);