diff options
Diffstat (limited to 'firmware/include/stdlib.h')
| -rw-r--r-- | firmware/include/stdlib.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/firmware/include/stdlib.h b/firmware/include/stdlib.h index 504b592..a287889 100644 --- a/firmware/include/stdlib.h +++ b/firmware/include/stdlib.h @@ -35,7 +35,15 @@ void *realloc(void *, size_t); void srand(unsigned int seed); int rand(void); -#define abs(x) ((x)>0?(x):-(x)) +#ifndef ABS +#if defined(__GNUC__) +#define ABS(a) ({typeof (a) ___a = (a); ___a < 0 ? -___a: ___a; }) +#else +#define ABS(a) (((a) < 0) ? -(a) : (a)) +#endif /* __GNUC__ */ +#endif + +#define abs(x) (ABS(x)) #define labs(x) abs(x) #ifdef SIMULATOR |