rhai/scripts/primes.rhai

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2020-03-12 16:46:40 +01:00
// This is a script to calculate prime numbers.
let MAX_NUMBER_TO_CHECK = 10000; // 1229 primes
let prime_mask = [];
prime_mask.pad(MAX_NUMBER_TO_CHECK, true);
prime_mask[0] = false;
prime_mask[1] = false;
let total_primes_found = 0;
for p in range(2, MAX_NUMBER_TO_CHECK) {
if prime_mask[p] {
print(p);
total_primes_found += 1;
let i = 2 * p;
while i < MAX_NUMBER_TO_CHECK {
prime_mask[i] = false;
i += p;
}
}
}
print("Total " + total_primes_found + " primes.");