Re: libm patch

[Stathis Kamperis <ekamperi%gmail.com@localhost>]

2010/8/23 Stathis Kamperis <ekamperi%gmail.com@localhost>:
> Hi everyone,
>
> I have been continuing my work on libm (former gSoC project) and I
> have a patch[1] that I'd like to share with you.
> It's a bit mixed in terms of changes (sorry):
>
> * Added a few missing MLINKS
> * Rewritten some elementary complex functions to not rely on gcc
> extentions (creal, cimag, conj)
> * Implemented some new elementary real+complex functions (fabsl,
> copysignl, cproj*)
> * Probably the most important change, is the introduction of
> nextafterl() and friends, that will allow us to measure[2] the ULPs of
> the long double precision functions that will arrive soon
> * Some tidy up here and there
>
> The patch is WIP.
> I'm sharing early to get feedback, as my build cycles are quite long
> and I could batch changes :)
>
> Thoughts on:
>
> * Style (whether __ should be prepended to float_complex for instance
> (it isn't strictly needed, but gives a visual hint on the custom
> origin of the type))
> * File layout (should cproj.c be split into cproj.c, cprojf.c, cprojl.c?)
> * Everything else
>
> are very welcome.
>
> Best regards,
> Stathis
> ____________________________________________________________
> [1] http://leaf.dragonflybsd.org/~beket/netbsd/tmp10.diff
> [2] 
> http://netbsd-soc.sourceforge.net/projects/mathlib/#_error_estimation_of_libm_functions
>

Given the lack of general interest, I have filled a PR for this so it
doesn't get lost:
Re: lib/43807

Until the experts can take a look at it :)

Stathis