On 7/17/19, Ulf Zibis <ulf.zi...@cosoco.de> wrote: > > Am 17.07.19 um 08:57 schrieb Song, Ruiling: >> Why do you think FFSIGN(0.0) should return +1? > Because anyone I ask including mathematicians, is the opinion that the > sign of 0 is positive. > >> What issue do you meet? > > I wanted to use the macro in my code, but with the current behaviour it > is worthless.
Use copysign(f), see relevant manual page for documentation of this function. Also, you always can add own macro, in local to your developed filter. > > -Ulf > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".