Revision: | 2.3 |
Committed: | Tue Feb 25 02:47:21 2003 UTC (21 years, 8 months ago) by greg |
Content type: | text/plain |
Branch: | MAIN |
CVS Tags: | rad5R4, rad5R2, rad4R2P2, rad5R0, rad5R1, rad3R7P2, rad3R7P1, rad4R2, rad4R1, rad4R0, rad3R5, rad3R6, rad3R6P1, rad3R8, rad3R9, rad4R2P1, rad5R3, HEAD |
Changes since 2.2: | +1 -56 lines |
Log Message: | Replaced inline copyright notice with #include "copyright.h" |
# | User | Rev | Content |
---|---|---|---|
1 | greg | 1.1 | #ifndef lint |
2 | greg | 2.2 | static const char RCSid[] = "$Id$"; |
3 | greg | 1.1 | #endif |
4 | /* | ||
5 | * plocate.c - routine to locate 3D vector w.r.t. box. | ||
6 | greg | 2.2 | */ |
7 | |||
8 | greg | 2.3 | #include "copyright.h" |
9 | greg | 1.1 | |
10 | greg | 1.2 | #include "fvect.h" |
11 | |||
12 | greg | 1.1 | #include "plocate.h" |
13 | |||
14 | |||
15 | int | ||
16 | plocate(p, min, max) /* return location of p w.r.t. min & max */ | ||
17 | greg | 1.2 | register FVECT p; |
18 | FVECT min, max; | ||
19 | greg | 1.1 | { |
20 | register int loc = 0; | ||
21 | |||
22 | if (p[0] < min[0] - EPSILON) | ||
23 | loc |= XPOS & BELOW; | ||
24 | else if (p[0] > max[0] + EPSILON) | ||
25 | loc |= XPOS & ABOVE; | ||
26 | if (p[1] < min[1] - EPSILON) | ||
27 | loc |= YPOS & BELOW; | ||
28 | else if (p[1] > max[1] + EPSILON) | ||
29 | loc |= YPOS & ABOVE; | ||
30 | if (p[2] < min[2] - EPSILON) | ||
31 | loc |= ZPOS & BELOW; | ||
32 | else if (p[2] > max[2] + EPSILON) | ||
33 | loc |= ZPOS & ABOVE; | ||
34 | |||
35 | return(loc); | ||
36 | } |