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lavu/common: fix FF_CEIL_RSHIFT() range comment

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Clément Bœsch
2016-01-07 22:20:22 +01:00
parent f4c1a48483
commit 84a967df03
1 changed files with 1 additions and 1 deletions
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libavutil/common.h
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@@ -54,7 +54,7 @@
#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b)) #define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b))
/* assume b>0 */ /* assume b>0 */
#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b)) #define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
/* assume a>0 and b>0 */ /* assume a>=0 and b>=0 */
#define FF_CEIL_RSHIFT(a,b) (!av_builtin_constant_p(b) ? -((-(a)) >> (b)) \ #define FF_CEIL_RSHIFT(a,b) (!av_builtin_constant_p(b) ? -((-(a)) >> (b)) \
: ((a) + (1<<(b)) - 1) >> (b)) : ((a) + (1<<(b)) - 1) >> (b))
#define FFUDIV(a,b) (((a)>0 ?(a):(a)-(b)+1) / (b)) #define FFUDIV(a,b) (((a)>0 ?(a):(a)-(b)+1) / (b))