| 2 |
|
/* |
| 3 |
|
* Declarations for floating-point vector operations. |
| 4 |
|
*/ |
| 5 |
+ |
#ifndef _RAD_FVECT_H_ |
| 6 |
+ |
#define _RAD_FVECT_H_ |
| 7 |
+ |
#ifdef __cplusplus |
| 8 |
+ |
extern "C" { |
| 9 |
+ |
#endif |
| 10 |
|
|
| 6 |
– |
#include "copyright.h" |
| 7 |
– |
|
| 11 |
|
#ifdef SMLFLT |
| 12 |
< |
#define FLOAT float |
| 12 |
> |
#define RREAL float |
| 13 |
|
#define FTINY (1e-3) |
| 14 |
|
#else |
| 15 |
< |
#define FLOAT double |
| 15 |
> |
#define RREAL double |
| 16 |
|
#define FTINY (1e-6) |
| 17 |
|
#endif |
| 18 |
|
#define FHUGE (1e10) |
| 19 |
|
|
| 20 |
< |
typedef FLOAT FVECT[3]; |
| 20 |
> |
typedef RREAL FVECT[3]; |
| 21 |
|
|
| 22 |
|
#define VCOPY(v1,v2) ((v1)[0]=(v2)[0],(v1)[1]=(v2)[1],(v1)[2]=(v2)[2]) |
| 23 |
|
#define DOT(v1,v2) ((v1)[0]*(v2)[0]+(v1)[1]*(v2)[1]+(v1)[2]*(v2)[2]) |
| 36 |
|
(vr)[1]=(v1)[2]*(v2)[0]-(v1)[0]*(v2)[2], \ |
| 37 |
|
(vr)[2]=(v1)[0]*(v2)[1]-(v1)[1]*(v2)[0]) |
| 38 |
|
|
| 36 |
– |
#ifdef NOPROTO |
| 39 |
|
|
| 38 |
– |
extern double fdot(), dist2(), dist2lseg(), dist2line(), normalize(); |
| 39 |
– |
extern void fcross(), fvsum(), spinvector(); |
| 40 |
– |
|
| 41 |
– |
#else |
| 42 |
– |
|
| 40 |
|
extern double fdot(FVECT v1, FVECT v2); |
| 41 |
|
extern double dist2(FVECT v1, FVECT v2); |
| 42 |
|
extern double dist2line(FVECT p, FVECT ep1, FVECT ep2); |
| 46 |
|
extern double normalize(FVECT v); |
| 47 |
|
extern void spinvector(FVECT vres, FVECT vorig, FVECT vnorm, double theta); |
| 48 |
|
|
| 49 |
+ |
|
| 50 |
+ |
#ifdef __cplusplus |
| 51 |
+ |
} |
| 52 |
|
#endif |
| 53 |
+ |
#endif /* _RAD_FVECT_H_ */ |
| 54 |
+ |
|
