On Sat, 19 Jul 2008 13:29:45 -0500
"Travis E. Oliphant" <
oliphant@enthought.com> wrote:
> Pauli Virtanen wrote:
>> Hi all,
>>
>> Re: Ticket 854.
>>
>> I wrote tests for the branch cuts for all complex arc*
>>functions
>> in umathmodule. It turns out that all except arccosh
>>were OK.
>> The formula for arcsinh was written in a non-standard
>>form with
>> an unnecessary nc_neg, but this didn't affect the
>>results.
>> I also wrote tests for checking values of the functions
>>at infs and nans.
>>
>
> Thanks for looking into these. These functions were
>contributed by
> Konrad Hinsen (IIRC) many years ago and I don't think
>they've really
> been reviewed since then.
>
> I'm all for using C99 when it is available and improving
>these functions
> with help from cmathmodule. IIRC, the cmathmodule was
>contributed by
> Konrad originally also.
>
> So +1 on C99 standardization.
>
> -Travis
>