Math::Round::Var has the following function:
######################################################################
+##
=head2 round
$number = $rounder->round($number);
=cut
sub round {
my $self = shift;
my $rnd = $self->{precision};
my $number = shift;
return(sprintf("%0.${rnd}f", $number));
} # end subroutine round definition
######################################################################
+##
Please notice that there is neither a warning or exception if a number
is not supplied. Is lack of a number argument an exception? Or should
it throw a warning? Or is everything OK as it is?
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