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root/radiance/ray/src/hd/holo.c
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Comparing ray/src/hd/holo.c (file contents):
Revision 3.15 by gwlarson, Thu Dec 3 15:18:39 1998 UTC vs.
Revision 3.16 by gwlarson, Fri Mar 12 09:37:47 1999 UTC

# Line 57 | Line 57 | register HOLO  *hp;
57   }
58  
59  
60 – HOLO *
61 – hdalloc(hproto)         /* allocate and set holodeck section based on grid */
62 – HDGRID  *hproto;
63 – {
64 –        HOLO    hdhead;
65 –        register HOLO   *hp;
66 –        int     n;
67 –                                /* copy grid to temporary header */
68 –        bcopy((char *)hproto, (char *)&hdhead, sizeof(HDGRID));
69 –                                /* compute grid vectors and sizes */
70 –        hdcompgrid(&hdhead);
71 –                                /* allocate header with directory */
72 –        n = sizeof(HOLO)+nbeams(&hdhead)*sizeof(BEAMI);
73 –        if ((hp = (HOLO *)malloc(n)) == NULL)
74 –                return(NULL);
75 –                                /* copy header information */
76 –        copystruct(hp, &hdhead);
77 –                                /* allocate and clear beam list */
78 –        hp->bl = (BEAM **)malloc((nbeams(hp)+1)*sizeof(BEAM *)+sizeof(BEAM));
79 –        if (hp->bl == NULL) {
80 –                free((char *)hp);
81 –                return(NULL);
82 –        }
83 –        bzero((char *)hp->bl, (nbeams(hp)+1)*sizeof(BEAM *)+sizeof(BEAM));
84 –        hp->bl[0] = (BEAM *)(hp->bl+nbeams(hp)+1);      /* set blglob(hp) */
85 –        hp->fd = -1;
86 –        hp->dirty = 0;
87 –        hp->priv = NULL;
88 –                                /* clear beam directory */
89 –        bzero((char *)hp->bi, (nbeams(hp)+1)*sizeof(BEAMI));
90 –        return(hp);             /* all is well */
91 – }
92 –
93 –
60   hdbcoord(gc, hp, i)             /* compute beam coordinates from index */
61   GCOORD  gc[2];          /* returned */
62   register HOLO   *hp;

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