$Data::Dumper::Indent=0; print Dumper $f; $VAR1 = bless( [bless( [bless( do{\(my $o = 33884400)}, 'Math::Pari' ),bless( do{\(my $o = 33884376)}, 'Math::Pari' )], 'Math::Pari' ),bless( [bless( do{\(my $o = 33884388)}, 'Math::Pari' ),bless( do{\(my $o = 33884364)}, 'Math::Pari' )], 'Math::Pari' )], 'Math::Pari' ); Attempt to free unreferenced scalar: SV 0x19f37c8 at c:\Perl\bin\p1.pl line 14, line 7.