sub _round {
my $digits = shift;
my $num = shift;
my $add = 5 * (10 ** -($digits + 1));
$num += $add;
my ($int,$frac) = split /\./,$num;
$frac = substr($frac, 0, $digits);
$num = join '.', $int, $frac;
return $num;
}
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<pre> tags. In fact, <pre>
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