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// prime.js
// Pure Ecmascript version of low level helper
function primeCheckEcmascript(val, limit) {
for (var i = 2; i <= limit; i++) {
if ((val % i) == 0) { return false; }
}
return true;
}
// Select available helper at load time
var primeCheckHelper = (this.primeCheckNative || primeCheckEcmascript);
// Check 'val' for primality
function primeCheck(val) {
if (val == 1 || val == 2) { return true; }
var limit = Math.ceil(Math.sqrt(val));
while (limit * limit < val) { limit += 1; }
return primeCheckHelper(val, limit);
}
function primeTest() {
var res = [];
print('Have native helper: ' + (primeCheckHelper !== primeCheckEcmascript) + '\n');
for (var i = 2; i <= 1000; i++) {
if (primeCheck(i)) { res.push(i); }
}
print(res.join(' '));
}
print = this.send || conn.write
print('HTTP/1.0 200 OK\r\nContent-Type: text/plain\r\n\r\n');
primeTest();
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