Re: [9front] [PATCH] APE: add ceilf, fabsf and lroundf

[ori@eigenstate.org]

Quoth telephil9@gmail.com:
> i,
> 
> Here is a patch to add ceilf, fabsf and lroundf to APE math library.
> These functions are needed for the netsurf port.
> 
> Source code was copied from sourceware newlib. Looking at implementations from various OSes, I see that OpenBSD uses these exact same versions copied from the same sources.
> 
> 
> +
> +float
> +ceilf(float x)
> 
> +float
> +fabsf(float x)

These two have a lot more bit twiddling than I'd like;
we've got versios that work on the floating point values
for doubles; it should be straightforward to convert
them over to floats: mostly a matter of suffixing the
functions in those files with an 'f'.

> diff -r ce98610ce572 sys/src/ape/lib/ap/math/lroundf.c
> --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
> +++ b/sys/src/ape/lib/ap/math/lroundf.c	Sun Feb 14 10:02:40 2021 +0100

This one is.. still more twiddling than I'd like, but it looks
ok; while we're here, can we add lround(double)?