Re: Use of C99 extra long double math functions after r236148

On Jul 10, 2012, at 9:11 AM, David Schultz wrote:

> On Tue, Jul 10, 2012, Rainer Hurling wrote:
>> On 10.07.2012 16:02 (UTC+2), Warner Losh wrote:
>>>=20
>>> On Jul 10, 2012, at 3:10 AM, Rainer Hurling wrote:
>>>> As far as I understand from discussions on R mailing list=20
>>>> (r-devel@r-project.org), they plan to reduce the emulation and/or=20=

>>>> workaround of long and complex math functions for FreeBSD and other=20=

>>>> systems with their next releases of R devel. So we could really =
need some=20
>>>> progress with our C99 conform math functions ;-)
>>>=20
>>> Not having R would be a bit pain in my backside.  That's one of the=20=

>>> practical considerations that I was talking about.  It is very real, =
and=20
>>> if I have to, I'll commit the #define junk I railed against to get =
it=20
>>> back.  Please, let's get some progress.  I have some time to help.
>>=20
>> Yes, thank you Warner, that is also my problem. As I wrote some weeks=20=

>> ago (05/28/2012) when starting this thread, I am using FreeBSD as a=20=

>> scientific desktop because of its good scaling properties. For some=20=

>> years now, FreeBSD fits all our needs with R, SAGA GIS, PostgreSQL =
and=20
>> some more.
>>=20
>> If I would not be able to run upcoming versions of R on FreeBSD any=20=

>> more, that would be really, really hard :-(
>=20
> Do you have a list of the essential functions here?  There are 17 long
> double functions and some complex functions missing, but only a
> handful of those are of general interest.  The reason I ask is that if
> R is just looking for a few missing functions that are already mostly
> implemented, then the best solution is probably to finish that work.
> But if it's expecting us to have something arcane like long double
> Bessel functions of the first kind, then we need to pursue a =
workaround
> in the short term.

I'll get a list, but they are things like long long double exp and ln.  =
I don't think they were the Bessel functions.

Warner

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