| 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 */ |
| 60 |
|
p->ra[i].d = hdcode(hdlist[p->hd], d); |
| 61 |
|
rvl += 4; |
| 62 |
|
} |
| 63 |
+ |
p->nc += p->nr; |
| 64 |
|
} |
