#!/usr/bin/perl -w

use strict;
use warnings;
use Data::Dumper;
use Math::GSL::Vector qw/:all/;
use Math::GSL::RNG qw/:all/;
use Storable;

if ( -e 'data' ) {
    my $thawed = retrieve('data') or die $!;
    print "Got thawed data\n";
    my $v = $thawed->{vector};
    print Dumper [ $v ];
    print "Thawed vector of length " . $v->length . "\n";
    # The next line coredumps my box
    print Dumper [ $v->as_list ];
    print join (" ", $v->as_list ) . "\n";
} else { 
    my %data;
    my $rng    = Math::GSL::RNG->new;
    my @stuff  = map { $rng->get } (1..10) ;
    my $vector = Math::GSL::Vector->new( \@stuff );
    print "Serialized vector of length " . $vector->length . "\n";
    print "Vector: " . join(" ", $vector->as_list) . "\n";
    $data{vector} = $vector;
    store \%data, 'data' or die $!;
}