| Message ID | 20210123221056.3366-1-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [FFmpeg-devel,1/6] avutil/common: Add FFABSU() for a signed -> unsigned ABS | expand |
| Context | Check | Description |
|---|---|---|
| andriy/x86_make | success | Make finished |
| andriy/x86_make_fate | success | Make fate finished |
| andriy/PPC64_make | success | Make finished |
| andriy/PPC64_make_fate | success | Make fate finished |
Quoting Michael Niedermayer (2021-01-23 23:10:51) > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavutil/common.h | 8 ++++++++ This is a public header, so a minor bump+APIchanges entry are needed. (ideally we'd also rename those to use the AV prefix, but that is for later)
On Sun, Jan 24, 2021 at 02:12:35PM +0100, Anton Khirnov wrote: > Quoting Michael Niedermayer (2021-01-23 23:10:51) > > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > > --- > > libavutil/common.h | 8 ++++++++ > > This is a public header, so a minor bump+APIchanges entry are needed. will apply with this thx [...]
diff --git a/libavutil/common.h b/libavutil/common.h index b9fbcc4d60..a60a558b1d 100644 --- a/libavutil/common.h +++ b/libavutil/common.h @@ -80,6 +80,14 @@ */ #define FFNABS(a) ((a) <= 0 ? (a) : (-(a))) +/** + * Unsigned Absolute value. + * This takes the absolute value of a signed int and returns it as a unsigned. + * This also works with INT_MIN which would otherwise not be representable + * As with many macros, this evaluates its argument twice. + */ +#define FFABSU(a) ((a) <= 0 ? -(unsigned)(a) : (unsigned)(a)) + /** * Comparator. * For two numerical expressions x and y, gives 1 if x > y, -1 if x < y, and 0
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavutil/common.h | 8 ++++++++ 1 file changed, 8 insertions(+)