[FFmpeg-devel] [PATCH] avfilter, swresample, swscale: use fabs, fabsf instead of FFABS

[Ganesh Ajjanagadde]

On Wed, Oct 14, 2015 at 5:01 AM, Matt Oliver <protogonoi at gmail.com> wrote:
> On 14 October 2015 at 09:46, Ganesh Ajjanagadde <gajjanag at mit.edu> wrote:
>
>> On Tue, Oct 13, 2015 at 9:12 AM, Ganesh Ajjanagadde <gajjanag at mit.edu>
>> wrote:
>> > On Tue, Oct 13, 2015 at 4:02 AM, Clément Bœsch <u at pkh.me> wrote:
>> >> On Tue, Oct 13, 2015 at 09:25:03AM +0200, Paul B Mahol wrote:
>> >> [...]
>> >>> What about fmax/FFMAX?
>> >>
>> >> Feel free to try that out (it looks OT regarding the patch), but fmax()
>> >> looks glibc specific
>>
>> Seems they are actually ISO:
>> http://en.cppreference.com/w/c/numeric/math/fmax
>>
>> Can someone check availability on all of our platforms of interest
>> (e.g Microsoft)?
>>
>
> fmax and fmin are only available on msvc using 2013 or newer. Currently the
> only msvc version without fmax/fmin that FFmpeg supports is 2012 which uses
> the C99 to C89 converter.

And does that converter handle fmin, fmax, fmaxf, etc?
Does it need patches?
Bottom line: are they safe to use at the moment?

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