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FFmpeg/libavutil/arm/intmath.h
Andrew D'Addesio 9b45bcf713 libavutil: Add saturating subtraction functions 
Add av_sat_sub32 and av_sat_dsub32 as the subtraction analogues to
av_sat_add32/av_sat_dadd32.

Also clarify the formulas for dadd32/dsub32.

Signed-off-by: Andrew D'Addesio <modchipv12@gmail.com>
2017-12-04 07:28:45 +00:00

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