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root/Development/ray/src/hd/rholo2.c

Comparing ray/src/hd/rholo2.c (file contents):
Revision 3.3 by gregl, Thu Nov 6 16:37:45 1997 UTC vs.
Revision 3.4 by gregl, Mon Dec 1 16:34:36 1997 UTC

#	Line 18 | Line 18 | register PACKET        *p;
18		{
19		static FVECT    ro, rd;
20		GCOORD  gc[2];
21	<	double  d;
22	<	long    r1, r2;
21	>	int     ila[2], hsh;
22	>	double  d, sl[4];
23		register int    i;
24
25		if (!hdbcoord(gc, hdlist[p->hd], p->bi))
26		error(CONSISTENCY, "bad beam index in packrays");
27	+	ila[0] = p->hd; ila[1] = p->bi;
28	+	hsh = ilhash(ila,2) + p->nc;
29		for (i = 0; i < p->nr; i++) {
30	<	r1 = random(); r2 = random();
31	<	p->ra[i].r[0][0] = r1 ^ r2>>7;
32	<	p->ra[i].r[0][1] = r1<<2 ^ r2;
33	<	p->ra[i].r[1][0] = r1<<4 ^ r2>>15;
34	<	p->ra[i].r[1][1] = r1<<6 ^ r2>>23;
30	>	multisamp(sl, 4, urand(hsh+i));
31	>	p->ra[i].r[0][0] = sl[0] * 256.;
32	>	p->ra[i].r[0][1] = sl[1] * 256.;
33	>	p->ra[i].r[1][0] = sl[2] * 256.;
34	>	p->ra[i].r[1][1] = sl[3] * 256.;
35		d = hdray(ro, rd, hdlist[p->hd], gc, p->ra[i].r);
36		if (p->offset != NULL) {
37		VSUM(ro, ro, rd, d);            /* exterior only */
#	Line 58 | Line 60 | register float *rvl;
60		p->ra[i].d = hdcode(hdlist[p->hd], d);
61		rvl += 4;
62		}
63	+	p->nc += p->nr;
64		}

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