}else{ doubles = 0.0; }
double chaovar = 0.0000;
-//cout << "singles = " << singles << " doubles = " << doubles << " sobs = " << sobs << endl;
+//cout << "singles = " << singles << " doubles = " << doubles << " sobs = " << sobs << endl;
double chao = sobs + singles*(singles-1)/(2*(doubles+1));
if(singles > 0 && doubles > 0){