41 |
|
#define tsin sin |
42 |
|
#define ttan tan |
43 |
|
#else |
44 |
< |
/* table-based cosine approximation */ |
44 |
> |
/* table-based approx in tcos.c */ |
45 |
|
#define tsin(x) tcos((x)-(PI/2.)) |
46 |
|
#define ttan(x) (tsin(x)/tcos(x)) |
47 |
|
#endif |
48 |
– |
|
49 |
– |
/* defined in disk2square.c */ |
50 |
– |
extern void SDsquare2disk(double ds[2], double seedx, double seedy); |
51 |
– |
extern void SDdisk2square(double sq[2], double diskx, double disky); |
52 |
– |
|
48 |
|
/* defined in xf.c */ |
49 |
|
extern int xf(XF *ret, int ac, char *av[]); |
50 |
|
extern int invxf(XF *ret, int ac, char *av[]); |
61 |
|
} |
62 |
|
#endif |
63 |
|
#endif /* _RAD_RTMATH_H_ */ |
69 |
– |
|