Plan 9 from Bell Labs’s /usr/web/sources/contrib/gabidiaz/root/sys/src/cmd/perl/t/lib/Math/BigFloat/Subclass.pm

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Distributed under the MIT License.
Download the Plan 9 distribution.


#!/usr/bin/perl -w

package Math::BigFloat::Subclass;

require 5.005_02;
use strict;

use Exporter;
use Math::BigFloat(1.27);
use vars qw($VERSION @ISA $PACKAGE
            $accuracy $precision $round_mode $div_scale);

@ISA = qw(Exporter Math::BigFloat);

$VERSION = 0.03;

use overload; 		# inherit overload from BigInt

# Globals
$accuracy = $precision = undef;
$round_mode = 'even';
$div_scale = 40;

sub new
{
        my $proto  = shift;
        my $class  = ref($proto) || $proto;

        my $value       = shift;
	my $a = $accuracy; $a = $_[0] if defined $_[0];
	my $p = $precision; $p = $_[1] if defined $_[1];
        # Store the floating point value
        my $self = Math::BigFloat->new($value,$a,$p,$round_mode);
        bless $self, $class;
        $self->{'_custom'} = 1; # make sure this never goes away
        return $self;
}

BEGIN
  {
  *objectify = \&Math::BigInt::objectify;
  }

1;

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