관리-도구

편집 파일: Trace.pm

#!perl package Math::BigInt::Trace; require 5.010; use strict; use warnings; use Exporter; use Math::BigInt; our ($accuracy, $precision, $round_mode, $div_scale); our @ISA = qw(Exporter Math::BigInt); our $VERSION = '0.51'; use overload; # inherit overload from Math::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]; my $self = Math::BigInt->new($value, $a, $p, $round_mode); bless $self, $class; print "MBI new '$value' => '$self' (", ref($self), ")"; return $self; } sub import { print "MBI import ", join(' ', @_); my $self = shift; Math::BigInt::import($self, @_); # need it for subclasses # $self->export_to_level(1, $self, @_); # need this ? @_ = (); } 1;