8 |
|
|
9 |
|
/* Assumes included after standard.h */ |
10 |
|
|
11 |
+ |
#include <values.h> |
12 |
+ |
|
13 |
|
#define ZERO(x) ((x) < FTINY && (x) > -FTINY) |
14 |
|
#define EQUAL(a,b) ZERO((a) - (b)) |
15 |
|
|
18 |
|
#define FALSE 0 |
19 |
|
#endif |
20 |
|
|
21 |
+ |
typedef long BCOORD; |
22 |
+ |
typedef long BDIR; |
23 |
+ |
typedef long TINT; |
24 |
+ |
#define BITS_BCOORD (BITS(long)>>1) |
25 |
+ |
#define SHIFT_MAXBCOORD (BITS_BCOORD-2) |
26 |
+ |
#define MAXBCOORD (1L << SHIFT_MAXBCOORD) |
27 |
+ |
#define MAXBCOORD2 (MAXBCOORD>>1) |
28 |
+ |
#define MAXBDIR MAXBCOORD |
29 |
+ |
#define MAXT MAXBCOORD |
30 |
+ |
#define HUGET MAXLONG |
31 |
+ |
|
32 |
|
#define M_2_3_PI PI*2/3 |
33 |
|
|
34 |
+ |
#define INVALID -1 |
35 |
+ |
|
36 |
|
#define GT_INVALID 0 |
37 |
|
#define GT_VERTEX 1 |
38 |
|
#define GT_EDGE 2 |
49 |
|
#define DIST(a,b) (sqrt(((a)[0]-(b)[0])*((a)[0]-(b)[0]) + \ |
50 |
|
((a)[1]-(b)[1])*((a)[1]-(b)[1]) + \ |
51 |
|
((a)[2]-(b)[2])*((a)[2]-(b)[2]))) |
52 |
+ |
#define DIST_SQ(a,b) (((a)[0]-(b)[0])*((a)[0]-(b)[0]) + \ |
53 |
+ |
((a)[1]-(b)[1])*((a)[1]-(b)[1]) + \ |
54 |
+ |
((a)[2]-(b)[2])*((a)[2]-(b)[2])) |
55 |
|
|
56 |
|
#define CROSS_VEC2(v1,v2) (((v1)[0]*(v2)[1]) - ((v1)[1]*(v2)[0])) |
57 |
|
#define DOT_VEC2(v1,v2) ((v1)[0]*(v2)[0] + (v1)[1]*(v2)[1]) |
62 |
|
#define MIN_VEC3(v) ((v)[0]<(v)[1]?((v)[0]<(v)[2]?(v)[0]:v[2]): \ |
63 |
|
(v)[1]<(v)[2]?(v)[1]:(v)[2]) |
64 |
|
|
65 |
+ |
|
66 |
|
#define SUM_3VEC3(r,a,b,c) ((r)[0]=(a)[0]+(b)[0]+(c)[0], \ |
67 |
|
(r)[1]=(a)[1]+(b)[1]+(c)[1],(r)[2]=(a)[2]+(b)[2]+(c)[2]) |
68 |
|
|