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#!/usr/bin/perl -w
# for testing subclassing Math::BigFloat
package Math::BigFloat::Subclass;
require 5.005_02;
use strict;
use Exporter;
use Math::BigFloat(1.38);
use vars qw($VERSION @ISA $PACKAGE
$accuracy $precision $round_mode $div_scale);
@ISA = qw(Exporter Math::BigFloat);
$VERSION = 0.05;
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;
# to allow Math::BigFloat::Subclass::bgcd( ... ) style calls
*bgcd = \&Math::BigFloat::bgcd;
*blcm = \&Math::BigFloat::blcm;
}
1;
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