| 22 |
|
#define frandom() (rand()*(1./(RAND_MAX+.5))) |
| 23 |
|
|
| 24 |
|
#else |
| 25 |
– |
#ifdef BSD |
| 25 |
|
|
| 27 |
– |
extern long random(); |
| 28 |
– |
|
| 29 |
– |
#define frandom() (random()*(1./2147483648.)) |
| 30 |
– |
|
| 31 |
– |
#else |
| 32 |
– |
|
| 33 |
– |
extern long lrand48(); |
| 34 |
– |
extern double drand48(); |
| 35 |
– |
|
| 26 |
|
#define random() lrand48() |
| 27 |
|
#define srandom(s) srand48((long)(s)) |
| 28 |
|
#define frandom() drand48() |
| 29 |
|
|
| 30 |
|
#endif |
| 41 |
– |
#endif |
| 31 |
|
|
| 32 |
|
extern unsigned short *urperm; |
| 33 |
|
extern int urmask; |
| 34 |
|
|
| 35 |
< |
#define urand(i) (urmask ? (urperm[(i)&urmask]+frandom())/(urmask+1) \ |
| 35 |
> |
#define urand(i) (urmask ? (urperm[(i)&urmask]+frandom())/(urmask+1.) \ |
| 36 |
|
: frandom()) |
| 37 |
|
|
| 38 |
|
extern int initurand(int size); |
