diff options
Diffstat (limited to 'warp/util.h')
| -rw-r--r-- | warp/util.h | 36 |
1 files changed, 3 insertions, 33 deletions
diff --git a/warp/util.h b/warp/util.h index eca4cea9..444e0866 100644 --- a/warp/util.h +++ b/warp/util.h @@ -6,49 +6,19 @@ * */ -#if RANDBITS < 15 || defined(lint) -#define rand_mod(m) getpid() -#define RANDRAND 0.0 -#define HALFRAND 0 -#define myrand() getpid() -#else -#if RANDBITS == 15 /* 15 bits of rand()? */ -#define RANDRAND 268435456.0 /* that's 2**28 */ -#define HALFRAND 0x4000 /* that's 2**14 */ -int rand(void); -#define myrand() (rand()&32767) -#define rand_mod(m) ((int)((double)myrand() / 32768.0 * ((double)(m)))) -/* pick number in 0..m-1 */ - -#else - -#if RANDBITS < 31 /* 16 bits of rand()? */ -#define RANDRAND 1073741824.0 /* that's 2**30 */ -#define HALFRAND 0x8000 /* that's 2**15 */ -unsigned rand(); -#define myrand() (rand()&65535) -#define rand_mod(m) ((int)((double)myrand() / 65536.0 * ((double)(m)))) -/* pick number in 0..m-1 */ - -#else /* assume 31 bits */ #define RANDRAND 1152921504606846976.0 /* that's 2**60 */ #define HALFRAND 0x40000000 /* that's 2**30 */ -long rand(); -#define myrand() rand() +#define myrand() (int)random() #define rand_mod(m) ((myrand() / 37) % (m)) /* pick number in 0..m-1 */ /* * The reason for the /37 above is that our random number generator yields * successive evens and odds, for some reason. This makes strange star maps. */ -#endif -#endif -#endif - /* we get fractions of seconds from calling ftime on timebuf */ -EXT struct timeb timebuf; -#define roundsleep(x) (ftime(&timebuf),sleep(timebuf.millitm > 500?x+1:x)) +EXT struct timespec timebuf; +#define roundsleep(x) (clock_gettime(CLOCK_REALTIME, &timebuf),sleep(timebuf.tv_nsec > 5000000000 ?x+1:x)) #define waiting 0 |