ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/radiance/ray/src/hd/sm_geom.h
(Generate patch)

Comparing ray/src/hd/sm_geom.h (file contents):
Revision 3.4 by gwlarson, Wed Sep 16 18:16:28 1998 UTC vs.
Revision 3.6 by gwlarson, Wed Nov 11 12:05:39 1998 UTC

# Line 10 | Line 10
10  
11   #include <values.h>
12  
13 + #define F_TINY 1e-3
14 +
15 + #define FZERO(x) ((x) < F_TINY && (x) > -F_TINY)
16 + #define FEQUAL(a,b) FZERO((a) - (b))
17 +
18   #define ZERO(x) ((x) < FTINY && (x) > -FTINY)
19   #define EQUAL(a,b) ZERO((a) - (b))
20  
# Line 18 | Line 23
23   #define FALSE 0
24   #endif
25  
26 + typedef struct _FPEQ {
27 +    FVECT n;
28 +    double d;
29 +    char x,y,z;
30 + }FPEQ;
31 +
32 + #define FP_N(f) ((f).n)
33 + #define FP_D(f) ((f).d)
34 + #define FP_X(f) ((f).x)
35 + #define FP_Y(f) ((f).y)
36 + #define FP_Z(f) ((f).z)
37 +  
38   typedef long BCOORD;
39   typedef long BDIR;
40   typedef long TINT;
# Line 31 | Line 48 | typedef long TINT;
48  
49   #define M_2_3_PI PI*2/3
50  
51 + #ifndef INVALID
52   #define INVALID -1
53 + #endif
54  
55   #define GT_INVALID  0
56   #define GT_VERTEX   1
# Line 44 | Line 63 | typedef long TINT;
63  
64   #define ZERO_VEC3(v)     (ZERO(v[0]) && ZERO(v[1]) && ZERO(v[2]) )
65   #define EQUAL_VEC3(a,b)  (EQUAL(a[0],b[0])&&EQUAL(a[1],b[1])&&EQUAL(a[2],b[2]))
66 + #define FZERO_VEC3(v)     (FZERO(v[0]) && FZERO(v[1]) && FZERO(v[2]) )
67 + #define FEQUAL_VEC3(a,b) (FEQUAL(a[0],b[0])&&FEQUAL(a[1],b[1])&&FEQUAL(a[2],b[2]))
68   #define NEGATE_VEC3(v)   ((v)[0] *= -1.0,(v)[1] *= -1.0,(v)[2] *= -1.0)
69   #define COPY_VEC2(v1,v2) ((v1)[0]=(v2)[0],(v1)[1]=(v2)[1])
70   #define DIST(a,b)         (sqrt(((a)[0]-(b)[0])*((a)[0]-(b)[0]) + \
# Line 61 | Line 82 | typedef long TINT;
82  
83   #define MIN_VEC3(v) ((v)[0]<(v)[1]?((v)[0]<(v)[2]?(v)[0]:v[2]): \
84                       (v)[1]<(v)[2]?(v)[1]:(v)[2])
85 <  
85 > #define MAX3(a,b,c) (((b)>(a))?((b) > (c))?(b):(c):((a)>(c))?(a):(c))  
86 > #define MIN3(a,b,c) (((b)<(a))?((b) < (c))?(b):(c):((a)<(c))?(a):(c))                      
87 > #define MAX(a,b)    (((b)>(a))?(b):(a))  
88 > #define MIN(a,b)  (((b)<(a))?(b):(a))  
89  
90   #define SUM_3VEC3(r,a,b,c) ((r)[0]=(a)[0]+(b)[0]+(c)[0], \
91     (r)[1]=(a)[1]+(b)[1]+(c)[1],(r)[2]=(a)[2]+(b)[2]+(c)[2])
# Line 101 | Line 125 | double tri_normal();
125   /* double spherical_edge_normal(FVECT v0,FVECT v1,FVECT n,char norm) */
126   double spherical_edge_normal();
127  
128 + #define point_in_stri_n(n0,n1,n2,p) \
129 +  ((DOT(n0,p)<=F_TINY)&&(DOT(n1,p)<=F_TINY)&&(DOT(n2,p)<=F_TINY))
130  
131 + #define PT_ON_PLANE(p,peq) (DOT(FP_N(peq),p)+FP_D(peq))

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines