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root/Development/ray/src/hd/holo.c

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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