4 |
|
|
5 |
|
#ifdef SMLFLT |
6 |
|
#define FLOAT float |
7 |
< |
#define FTINY (1e-4) |
7 |
> |
#define FTINY (1e-3) |
8 |
|
#else |
9 |
|
#define FLOAT double |
10 |
|
#define FTINY (1e-6) |
15 |
|
|
16 |
|
#define VCOPY(v1,v2) ((v1)[0]=(v2)[0],(v1)[1]=(v2)[1],(v1)[2]=(v2)[2]) |
17 |
|
#define DOT(v1,v2) ((v1)[0]*(v2)[0]+(v1)[1]*(v2)[1]+(v1)[2]*(v2)[2]) |
18 |
+ |
#define VLEN(v) sqrt(DOT(v,v)) |
19 |
|
#define VSUM(vr,v1,v2,f) ((vr)[0]=(v1)[0]+(f)*(v2)[0], \ |
20 |
|
(vr)[1]=(v1)[1]+(f)*(v2)[1], \ |
21 |
|
(vr)[2]=(v1)[2]+(f)*(v2)[2]) |
22 |
|
|
23 |
< |
extern double sqrt(), fdot(), dist2(), dist2lseg(), dist2line(), normalize(); |
23 |
> |
extern double fdot(), dist2(), dist2lseg(), dist2line(), normalize(); |