Function isPrime

examples/multithreaded_prime_counter.cpp:10–17

std::atomic<int> primeCount(0);

bool isPrime(int n) {
	CTRACK;
	if (n <= 1) return false;
	for (int i = 2; i <= std::sqrt(n); ++i) {
		if (n % i == 0) return false;
	}
	return true;
}

void countPrimesInRange(int start, int end) {
	CTRACK;