double piI = (double) i / (double)sampled;
firstTerm += rank->get(i) * pow(piI, 3);
secondTerm += rank->get(i) * pow(piI, 2);
}
double piI = (double) i / (double)sampled;
firstTerm += rank->get(i) * pow(piI, 3);
secondTerm += rank->get(i) * pow(piI, 2);
}