| 36 |
|
(vr)[1]=(v1)[2]*(v2)[0]-(v1)[0]*(v2)[2], \ |
| 37 |
|
(vr)[2]=(v1)[0]*(v2)[1]-(v1)[1]*(v2)[0]) |
| 38 |
|
|
| 39 |
+ |
#define GEOD_RAD 0 /* geodesic distance specified in radians */ |
| 40 |
+ |
#define GEOD_ABS 1 /* absolute geodesic distance */ |
| 41 |
+ |
#define GEOD_REL 2 /* relative geodesic distance */ |
| 42 |
|
|
| 43 |
< |
extern double fdot(FVECT v1, FVECT v2); |
| 44 |
< |
extern double dist2(FVECT v1, FVECT v2); |
| 45 |
< |
extern double dist2line(FVECT p, FVECT ep1, FVECT ep2); |
| 46 |
< |
extern double dist2lseg(FVECT p, FVECT ep1, FVECT ep2); |
| 47 |
< |
extern void fcross(FVECT vres, FVECT v1, FVECT v2); |
| 48 |
< |
extern void fvsum(FVECT vres, FVECT v0, FVECT v1, double f); |
| 43 |
> |
extern double fdot(const FVECT v1, const FVECT v2); |
| 44 |
> |
extern double dist2(const FVECT v1, const FVECT v2); |
| 45 |
> |
extern double dist2line(const FVECT p, const FVECT ep1, const FVECT ep2); |
| 46 |
> |
extern double dist2lseg(const FVECT p, const FVECT ep1, const FVECT ep2); |
| 47 |
> |
extern void fcross(FVECT vres, const FVECT v1, const FVECT v2); |
| 48 |
> |
extern void fvsum(FVECT vres, const FVECT v0, const FVECT v1, double f); |
| 49 |
|
extern double normalize(FVECT v); |
| 50 |
< |
extern void spinvector(FVECT vres, FVECT vorig, FVECT vnorm, double theta); |
| 51 |
< |
|
| 52 |
< |
|
| 50 |
> |
extern int closestapproach(RREAL t[2], |
| 51 |
> |
const FVECT rorg0, const FVECT rdir0, |
| 52 |
> |
const FVECT rorg1, const FVECT rdir1); |
| 53 |
> |
extern void spinvector(FVECT vres, const FVECT vorig, |
| 54 |
> |
const FVECT vnorm, double theta); |
| 55 |
> |
extern double geodesic(FVECT vres, const FVECT vorig, |
| 56 |
> |
const FVECT vtarg, double t, int meas); |
| 57 |
|
#ifdef __cplusplus |
| 58 |
|
} |
| 59 |
|
#endif |
