standards/59797: Implement C99's round[f]() math fucntions

[Bruce Evans]

On Sun, 30 Nov 2003, Steven G. Kargl wrote:

>  Stefan Farfeleder wrote:
>  > One suggestion: Could you make that
>  >
>  > +double
>  > +round(double x)
>  > +{
>  >
>  > to match style(9) and (most of) msun/src/*.c?
>
>  I'll submit a style(9) clean-up if the current
>  diff is committed.  If you look through msun,
>  you'll see all sorts of sytle(9) violations.

That's because msun is not written in KNF.  Conformance to KNF would
be style(9) non-conformance, since the meta rule about using the same
style as the existing code has precedence.

Bruce