1#!/usr/bin/perl -w 2 3package Math::BigInt::Trace; 4 5require 5.005_02; 6use strict; 7 8use Exporter; 9use Math::BigInt; 10use vars qw($VERSION @ISA $PACKAGE @EXPORT_OK 11 $accuracy $precision $round_mode $div_scale); 12 13@ISA = qw(Exporter Math::BigInt); 14 15$VERSION = 0.01; 16 17use overload; # inherit overload from BigInt 18 19# Globals 20$accuracy = $precision = undef; 21$round_mode = 'even'; 22$div_scale = 40; 23 24sub new 25{ 26 my $proto = shift; 27 my $class = ref($proto) || $proto; 28 29 my $value = shift; 30 my $a = $accuracy; $a = $_[0] if defined $_[0]; 31 my $p = $precision; $p = $_[1] if defined $_[1]; 32 my $self = Math::BigInt->new($value,$a,$p,$round_mode); 33 bless $self,$class; 34 print "MBI new '$value' => '$self' (",ref($self),")"; 35 return $self; 36} 37 38sub import 39 { 40 print "MBI import ",join(' ',@_); 41 my $self = shift; 42 Math::BigInt::import($self,@_); # need it for subclasses 43# $self->export_to_level(1,$self,@_); # need this ? 44 @_ = (); 45 } 46 471; 48