Historical Origins of y0l, y1l, and ynl Methods

[Corinna Vinschen]

On Feb 12 09:14, Joel Sherrill wrote:
> On Tue, Feb 12, 2019 at 9:03 AM Corinna Vinschen <vinschen@redhat.com>
> wrote:
> 
> > On Feb 12 08:49, Joel Sherrill wrote:
> > > Hi
> > >
> > > These three methods are in glibc math.h but I can't find anything that
> > > gives a standards basis or historical origin. They are not in newlib.
> > >
> > > Anyone have any insight?
> >
> > http://man7.org/linux/man-pages/man3/y0.3.html:
> >
> > CONFORMING TO
> >
> >    The functions returning double conform to SVr4, 4.3BSD, POSIX.1-2001,
> >    POSIX.1-2008.  The others are nonstandard functions that also exist
> >    on the BSDs.
> >
> 
> Thanks. I should have just done a man on them. :(
> 
> I assume they aren't that commonly used or Newlib would have picked them
> up over the years.

My math is such that I get headaches just looking at the function
names :)

Adding target independent f and l functions to newlib would be nice, tho.


Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat
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