Hi,

2010/2/18 Yukihiro Matsumoto <matz / ruby-lang.org>:
> In message "Re: [ruby-core:28206] Is Math module a wrapper of libm?"
> ? ?on Thu, 18 Feb 2010 12:17:08 +0900, Yusuke ENDOH <mame / tsg.ne.jp> writes:
>
> |It is good to decide the policy of Math. ?Please choice:
> |
> |1) Math is still just a wrapper of libm
> |2) Math is (aims to be) platform-independent math module
> | ? (though it is very similar to libm's API)
>
> I choose #2.

Thank you for your smart choice!

At first, I'll soon change the behaviors of atanh(1) and lgamma(inf)
which are currently platform-dependent.  According to SUSv3, the former
should raise ERANGE (currently raises EDOM on Linux), and the latter
should return inf (currently raises EDOM on darwin).

-- 
Yusuke ENDOH <mame / tsg.ne.jp>