[FFmpeg-devel] [PATCH 00/15] replace pow(10, x) by exp10(x) across FFmpeg

[Hendrik Leppkes]

Am 24.12.2015 23:01 schrieb "Ronald S. Bultje" <rsbultje at gmail.com>:
>
> Hi,
>
> On Thu, Dec 24, 2015 at 4:57 PM, Ganesh Ajjanagadde <gajjanag at mit.edu>
> wrote:
>
> > Also, over time I would like to cleanup the avutil/libm header: there
> > are macros in places where there should really be functions, though
> > Hendrik points out that in some cases there is no real alternative. At
> > the moment, most of the macros are used without any justification in
> > the patch notes or as comments.
>
>
> I think it's not too far off to say that development of libm.h is largely
> organic, that is, it's done based on needs and breakages until we have
> something that fills our needs, but nothing that was designed beyond just
> that. So, sure, if you can design it better, that would be very welcome.
>

Just have to be careful not to restart that "evolution" just because some
reasons may not have been documented quite clearly in the past. FATE is a
start but doesn't cover everything unfortunately.  I'm not sure the log2
case I mentioned is actually in any FATE system today, for example, yet we
all know that every crazy case that once worked has one user out there
somewhere ;)