| 11 |
|
#ifdef SMLFLT |
| 12 |
|
#define RREAL float |
| 13 |
|
#define FTINY (1e-3) |
| 14 |
+ |
#define FVFORMAT "%f %f %f" |
| 15 |
|
#else |
| 16 |
|
#define RREAL double |
| 17 |
|
#define FTINY (1e-6) |
| 18 |
+ |
#define FVFORMAT "%lf %lf %lf" |
| 19 |
|
#endif |
| 20 |
|
#define FHUGE (1e10) |
| 21 |
|
|
| 22 |
+ |
#define FABSEQ(x1,x2) ((x1)+FTINY > (x2) && (x2)+FTINY > (x1)) |
| 23 |
+ |
#define FRELEQ(x1,x2) ((x1)*(1.+FTINY) >= (x2) && (x2)*(1.+FTINY) >= (x1)) |
| 24 |
+ |
|
| 25 |
+ |
#define VABSEQ(v,w) (FABSEQ((v)[0],(w)[0]) && FABSEQ((v)[1],(w)[1]) \ |
| 26 |
+ |
&& FABSEQ((v)[2],(w)[2])) |
| 27 |
+ |
#define VRELEQ(v,w) (FRELEQ((v)[0],(w)[0]) && FRELEQ((v)[1],(w)[1]) \ |
| 28 |
+ |
&& FRELEQ((v)[2],(w)[2])) |
| 29 |
+ |
|
| 30 |
|
typedef RREAL FVECT[3]; |
| 31 |
|
|
| 32 |
|
#define VCOPY(v1,v2) ((v1)[0]=(v2)[0],(v1)[1]=(v2)[1],(v1)[2]=(v2)[2]) |
| 50 |
|
#define GEOD_ABS 1 /* absolute geodesic distance */ |
| 51 |
|
#define GEOD_REL 2 /* relative geodesic distance */ |
| 52 |
|
|
| 53 |
+ |
extern double Acos(double x); |
| 54 |
+ |
extern double Asin(double x); |
| 55 |
|
extern double fdot(const FVECT v1, const FVECT v2); |
| 56 |
|
extern double dist2(const FVECT v1, const FVECT v2); |
| 57 |
|
extern double dist2line(const FVECT p, const FVECT ep1, const FVECT ep2); |
| 59 |
|
extern void fcross(FVECT vres, const FVECT v1, const FVECT v2); |
| 60 |
|
extern void fvsum(FVECT vres, const FVECT v0, const FVECT v1, double f); |
| 61 |
|
extern double normalize(FVECT v); |
| 62 |
+ |
extern int getperpendicular(FVECT vp, const FVECT v, int randomize); |
| 63 |
|
extern int closestapproach(RREAL t[2], |
| 64 |
|
const FVECT rorg0, const FVECT rdir0, |
| 65 |
|
const FVECT rorg1, const FVECT rdir1); |
