Simplified:
$ perl -e 'use bigint;print log(10),"\n"'
NaN
$ perl --version

This is perl, v5.10.1 (*) built for i486-linux-gnu-thread-multi

[download]
Update: Using Ubuntu 10.04.2 LTS

In reply to Re: What causes NaN when using bignum by choroba
in thread What causes NaN when using bignum by Microcebus

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