Errors

consistent_version

0.05,0.52,1.59,1.88

use_warnings

Math::BigFloat, Math::BigInt, Math::BigInt::Calc, Math::BigInt::CalcEmu

valid_signature

Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Sat 05 Apr 2008 11:55:21 PM JST
gpg:                using RSA key 770B3C4393B84C15
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==