| 16 |
|
/* regular transformation */ |
| 17 |
|
typedef struct { |
| 18 |
|
MAT4 xfm; /* transform matrix */ |
| 19 |
< |
double sca; /* scalefactor */ |
| 19 |
> |
FLOAT sca; /* scalefactor */ |
| 20 |
|
} XF; |
| 21 |
|
/* complemetary tranformation */ |
| 22 |
|
typedef struct { |
| 24 |
|
XF b; /* backward */ |
| 25 |
|
} FULLXF; |
| 26 |
|
|
| 27 |
– |
#define FHUGE (1e10) /* large real number */ |
| 28 |
– |
#define FTINY (1e-6) /* small real number */ |
| 29 |
– |
|
| 27 |
|
#ifdef M_PI |
| 28 |
|
#define PI M_PI |
| 29 |
|
#else |
| 49 |
|
extern int errno; /* system error number */ |
| 50 |
|
|
| 51 |
|
/* memory operations */ |
| 52 |
< |
#ifdef STRUCTASSIGN |
| 56 |
< |
#define copystruct(d,s) (*(d) = *(s)) |
| 57 |
< |
#else |
| 52 |
> |
#ifdef NOSTRUCTASS |
| 53 |
|
#define copystruct(d,s) bcopy((char *)(s),(char *)(d),sizeof(*(d))) |
| 54 |
+ |
#else |
| 55 |
+ |
#define copystruct(d,s) (*(d) = *(s)) |
| 56 |
|
#endif |
| 57 |
+ |
|
| 58 |
|
#ifndef BSD |
| 59 |
|
#define bcopy(s,d,n) (void)memcpy(d,s,n) |
| 60 |
|
#define bzero(d,n) (void)memset(d,0,n) |
| 61 |
|
#define bcmp(b1,b2,n) memcmp(b1,b2,n) |
| 62 |
|
extern char *memcpy(), *memset(); |
| 63 |
+ |
#define index strchr |
| 64 |
+ |
#define rindex strrchr |
| 65 |
|
#endif |
| 66 |
|
|
| 67 |
|
extern char *sskip(); |
