Export fast *rint* functions

Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Fri Dec 21 23:41:00 GMT 2007


On Fri, Dec 21, 2007 at 06:46:06PM -0000, Dave Korn wrote:
>
>    Hi gang,
> 
>  This patch exports all the new _f_*rint* functions from newlib, adds aliases for
>the non-_f_* names, and redirects the exports for the existing functions
>(rint/rintf/lrint/lrintf) away from the current slow soft float implementation and
>toward the _f_ versions.  The slow soft float implementation is still linked
>internally in the dll against some functions such as nearbyint(), pow(), powf(), and
>a few others.
>
>  As far as I can see, there's no reason not to get rid of the old slow soft-float
>implementations altogether, and that will be the subject of a follow-on patch to
>newlib, but it'll have to wait for Jeff to get back from holiday now.
>
>  Oh, and Happy Christmas! to the MPlayer and ffmpeg teams :)
>
>winsup/cygwin/ChangeLog
>
>2007-12-21  Dave Korn  <dave.korn@artimi.com>
>
>	* cygwin.din (_f_lrint, __f_lrint, _f_lrintf, __f_lrintf, _f_lrintl,
>	__f_lrintl, _f_llrint, __f_llrint, _f_llrintf, __f_llrintf,
>	_f_llrintl, __f_llrintl, _f_rint, __f_rint, _f_rintf, __f_rintf,
>	_f_rintl, __f_rintl):  Export fast *rint* functions.
>	(lrint, lrintf, rint, _rint, rintf, _rintf):  Redirect exports to
>	alias _f_ versions.
>	(_lrint, _lrintf):  Added for consistency at the same time.
>	(lrintl, _lrintl, llrint, _llrint, llrintf, _llrintf, llrintl,
>	_llrintl, rintl, _rintl):  Add exports aliasing _f_ versions likewise.

Unless I don't know something about these functions, I don't think there
is any reason to add a foo and a _foo.  We haven't been doing that in
cygwin.din for years.

cgf



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