diff options
Diffstat (limited to 'src/common/utils.h')
| -rw-r--r-- | src/common/utils.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/common/utils.h b/src/common/utils.h index ba96da1..0b006c3 100644 --- a/src/common/utils.h +++ b/src/common/utils.h @@ -34,10 +34,9 @@ /* * ModuloRand and ModuloPlusRand. These macros are used to replace the - * vast number of calls to rand()%mod which is low-order bits. These - * instead use the high-order bits as suggested in the man page of rand(). + * vast number of calls to rand()%mod .. * MRAND(10), returns 0-9. * MPRAND(5,10) returns 5-14. */ -#define MRAND(mod) (int) ((float)mod * (mt_random() / (RAND_MAX + 1.0))) +#define MRAND(mod) (int) (mt_random() % mod) #define MPRAND(add, mod) add + MRAND(mod) |