diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/birdlib.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/birdlib.h b/lib/birdlib.h index fc27db9..1904d66 100644 --- a/lib/birdlib.h +++ b/lib/birdlib.h @@ -19,6 +19,7 @@ #define MIN(a,b) (((a)<(b))?(a):(b)) #define MAX(a,b) (((a)>(b))?(a):(b)) +#define ABS(a) ((a)>=0 ? (a) : -(a)) #define ARRAY_SIZE(a) (sizeof(a)/sizeof(*(a))) #ifndef NULL |