$c0[$i] = 0 unless (defined $c0[$i]);
$c1[$i] = 0 unless (defined $c1[$i]);
$cc0 += $c0[$i]; $cc1 += $c1[$i];
- printf("%.2dx %12d / %-12d %12d %.3e\n", $i, $c1[$i], $c0[$i], $cc0, $cc1/$cc0);
+ printf("%.2dx %12d / %-12d %12d %.3e\n", $i, $c1[$i], $c0[$i], $cc0, $cc1/$cc0) if ($cc0);
}
} else {
for (reverse(sort {$a<=>$b} (keys %fnfp))) {