Use of C99 extra long double math functions after r236148

Stephen Montgomery-Smith stephen at missouri.edu
Mon May 28 21:19:24 UTC 2012


On 05/28/2012 03:31 PM, Steve Kargl wrote:
> On Mon, May 28, 2012 at 11:01:24AM -0500, Stephen Montgomery-Smith wrote:
>> One thing that could be done is to have a "math/cephes" port that adds
>> the extra C99 math functions.  This is already done in the math/sage
>> port, using a rather clever patch due to Peter Jeremy, that applies to
>> the cephes code.
>>
>> What it would do is to create a /usr/local/lib/libm.so that would
>> provide the extra functions not currently included in /lib/libm.so, and
>> then link in /lib/libm.so as well.  It would also create its own
>> /usr/local/include/math.h and /usr/local/include/complex.h as well.
>>
>> What do you guys think?  Do you want someone to start experimenting with
>> this idea?  I could do it, but probably not for a little while.
>>
>
> This is a horrible, horrible, horrible idea.  Have you
> looked at the cephes code, particularly the complex.h
> functions?

I have only taken a very cursory look.  What should I specifically look 
for in seeing that the code is bad?



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