/**
Initiates the program.
@param argc amount of args
@param argv array of args
*/
int main( int argc, char *argv[] ) {
int max;
int* count = malloc(sizeof(int));
*count = 0;
if(argc > 0){
max = atoi(argv[1]);
} else {
return 1;
}
FILE* f = fopen("output.txt", "w");
clock_t start = clock();
int* primes = calculatePrime(max, count);
clock_t end = clock();
printf( "%d\n", (int)((end - start) / 1000));
// Array printing loop
for(int i = 0; i < (*count); i++)
fprintf( f, "%i\n", primes[i] );
free( primes );
return 0;
}
bool Primer::runOnce()
{
long num = 0;
while (true)
{
std::cout << "Enter target prime (0 to exit, -1 for max): ";
try
{
num = readLong();
if (num < -1)
{
std::cout << "Negative numbers invalid, try again" << std::endl;
continue;
}
break;
}
catch (std::exception&)
{
std::cout << "Invalid number, try again" << std::endl;
}
}
if (num == 0)
{
return true;
}
else if (num == -1)
{
num = MAX_PRIME_NUM;
}
unsigned long prime = calculatePrime(num - 1);
if (prime == 0)
{
std::cout << "Prime to large, try smaller number" << std::endl;
}
else
{
std::cout << "Prime #" << std::setw(10) << num << ": " << std::setw(10) << prime << std::endl;
}
return false;
}
