use Math::BigFloat;
use Data::Dump qw/ dd /;
my $bf = Math::BigFloat->new(q{6.66666666666666666666666666666666});
dd( $bf, $bf->bstr, $bf->bstr+0, "$bf"+0 );
__END__
(
bless({
_e => [32],
_es => "-",
_m => [6666666, 6666666, 6666666, 6666666, 66666],
sign => "+",
}, "Math::BigFloat"),
"6.66666666666666666666666666666666",
6.66666666666667,
6.66666666666667,
)
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