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:
/
proc
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thread-self
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root
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usr
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share
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perl5
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vendor_perl
/
Math
/
BigFloat
/
Filename :
Trace.pm
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#!perl package Math::BigFloat::Trace; require 5.010; use strict; use warnings; use Exporter; use Math::BigFloat; our ($accuracy, $precision, $round_mode, $div_scale); our @ISA = qw(Exporter Math::BigFloat); our $VERSION = '0.49'; use overload; # inherit overload from Math::BigFloat # 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 $self = Math::BigFloat->new($value, $a, $p, $round_mode); # remember, downgrading may return a BigInt, so don't meddle with class # bless $self, $class; print "MBF new '$value' => '$self' (", ref($self), ")"; return $self; } sub import { print "MBF import ", join(' ', @_); my $self = shift; # we catch the constants, the rest goes go BigFloat my @a = (); foreach (@_) { push @a, $_ if $_ ne ':constant'; } overload::constant float => sub { $self->new(shift); }; Math::BigFloat->import(@a); # need it for subclasses # $self->export_to_level(1,$self,@_); # need this ? } 1;