NO DOC
#include <iostream>
#include "givaro/givintprime.h"
#include "givaro/givtimer.h"
int main(int argc, char** argv)
{
if (argc > 1)
else
std::cin >> np;
if (argc > 2)
else
m = 2;
unsigned long long nb = (IPD.
isprime(m)?1:0);
for (;m < np; tp *= 2) {
std::cout << nb << " primes between " << nf << " and " << m << "\t\t == nextprime(" << (ttp+nf-1) << ")" << std::endl; ttp = tp;
for (;(m < np) && (m < (nf+tp)); ++nb)
}
std::cout << (m>np?nb-1:nb) << " primes between " << nf << " and " << np << std::endl << tim << std::endl;
return 0;
}