Hi all, just a quick note that I'm still around... Any particular pointers how I can help in improving the implementation? Cheers, Florian.
> Gesendet: Samstag, 14. November 2015 um 21:40 Uhr > Von: "Ed Smith-Rowland" <3dw...@verizon.net> > An: "Jonathan Wakely" <jwakely....@gmail.com> > Cc: libstdc++ <libstd...@gcc.gnu.org>, gcc-patches <gcc-patches@gcc.gnu.org>, > "Florian Goth" <captainsi...@gmx.de> > Betreff: Re: TR1 Special Math > > On 11/14/2015 03:28 PM, Ed Smith-Rowland wrote: > > On 11/13/2015 11:20 AM, Ed Smith-Rowland wrote: > >> On 11/13/2015 10:32 AM, Jonathan Wakely wrote: > >>> On 25 October 2015 at 20:48, Jonathan Wakely <jwakely....@gmail.com> > >>> wrote: > >>>> On 25 October 2015 at 17:46, Ed Smith-Rowland <3dw...@verizon.net> > >>>> wrote: > >>>>> On 10/24/2015 11:38 PM, Jonathan Wakely wrote: > >>>>>> On 8 May 2015 at 15:05, Ed Smith-Rowland <3dw...@verizon.net> wrote: > >>>>>>> On 05/07/2015 12:06 PM, Jonathan Wakely wrote: > >>>>>>>> Hi Ed, > >>>>>>>> > >>>>>>>> The C++ committee is considering the > >>>>>>>> http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4437.pdf > >>>>>>>> proposal to make C++17 include the contents of ISO 29124:2010 (the > >>>>>>>> special math functions from TR1 that went into a separate > >>>>>>>> standard, > >>>>>>>> not into C++11). > >>>>>>>> > >>>>>>>> What is the status of our TR1 implementation? Is it complete? Good > >>>>>>>> enough quality to move out of the tr1 sub-dir? > >>>>>>>> > >>>>>>>> Even if N4437 isn't accepted for C++17 we could move things > >>>>>>>> around to > >>>>>>>> turn the TR1 code into an iso29124 implementation, do you think > >>>>>>>> that > >>>>>>>> would make sense? > >>>>>>>> > >>>>>>> That would make absolute sense. > >>>>>>> I actually have a tree where I've done that. > >>>>>>> All the functions are in there (29124 removed the hypergeometric > >>>>>>> functions. > >>>>>>> I'd like to keep those as extensions. > >>>>>>> I have some bugfixes also. > >>>>>>> > >>>>>>> I have a better version of the Carlson elliptic functions (which > >>>>>>> are used > >>>>>>> in > >>>>>>> the 29124 elliptic functions). > >>>>>>> > >>>>>>> Ed > >>>>>>> > >>>>>> Hi Ed, Florian, > >>>>>> > >>>>>> Here's a patch to re-use the TR1 math functions to implement IS > >>>>>> 29124, > >>>>>> what do you think of this approach? Ed, were you just going to copy > >>>>>> the files and have duplicated code? > >>>>>> > >>>>>> We should probably uglify the names of the hypergeometric > >>>>>> functions if > >>>>>> they are not in the final standard. > >>>>>> > >>>>>> This doesn't include Florian's patch, which should be applied. > >>>>>> > >>>>>> (I want to get this done before stage 1 ends in a couple of > >>>>>> weeks, so > >>>>>> am posting this for review now, but I'll be unavailable for the next > >>>>>> week or two and might not be able to actually commit anything until > >>>>>> stage 3). > >>>>> Hi all! > >>>>> > >>>>> I am actually very aware of the stage 1 deadline and am working > >>>>> furiously! > >>>>> > >>>>> This patch adds the hypergeometric and confluent hypergeometric > >>>>> functions > >>>>> that were actually stricken fromTR29124. > >>>>> I actually had a mind to add those back especially since the > >>>>> confluent one > >>>>> is actually pretty stable in it's realm and is used in some > >>>>> statistics > >>>>> tests. > >>>>> I expect that some people have ventures to use both and so TR29129 > >>>>> would not > >>>>> be a full replacement for TR1 without them. > >>>>> > >>>>> I intend to post within the next few days. I have to realize that > >>>>> some of > >>>>> my hopes and dreams would be better done with these in tree! ;-) > >>>>> > >>>>> Thank you for lighting a fire Jonathan! > >>>> Excellent, glad to hear you're on this, as you know the code and the > >>>> specs, whereas I'm poking around blindly :-) > >>> Hi Ed, > >>> > >>> Have you been able to find enough time to work on this? > >>> > >>> Will you be able to make the stage 1 deadline tomorrow, and if not, do > >>> you think I should apply my patch to re-use the TR1 stuff? (We can > >>> apply Florian's bug fix to that as well). > >>> > >> I'm going to post something in a few hours. > >> > >> > > OK, > > > > this is still testing but I wanted to get it in under the deadline. > > It is basically a combination of Jonathan's approach using TR1 (which > > I do for C++03) > > Plus the start of a new impl in bits. > > Plus patches from Florian. > > > > Ed > > > > > The last patchwas missing some tests. > I'm also going to bzip it - I realized it was huge. > >
