| 72 |
|
hlist[1] = dp->t; |
| 73 |
|
hlist[2] = dp->p; |
| 74 |
|
hlist[3] = 0; |
| 75 |
< |
zd = sqrt((dp->t+urand(ilhash(hlist,4)+dp->n))/h->nt); |
| 75 |
> |
zd = sqrt((dp->t+urand(urind(ilhash(hlist,4),dp->n)))/h->nt); |
| 76 |
|
hlist[3] = 1; |
| 77 |
< |
phi = 2.0*PI * (dp->p+urand(ilhash(hlist,4)+dp->n))/h->np; |
| 77 |
> |
phi = 2.0*PI * (dp->p+urand(urind(ilhash(hlist,4),dp->n)))/h->np; |
| 78 |
|
xd = cos(phi) * zd; |
| 79 |
|
yd = sin(phi) * zd; |
| 80 |
|
zd = sqrt(1.0 - zd*zd); |
| 86 |
|
rayvalue(&ar); |
| 87 |
|
ndims--; |
| 88 |
|
addcolor(dp->v, ar.rcol); |
| 89 |
< |
if (ar.rt < FHUGE) |
| 89 |
> |
if (ar.rt > FTINY && ar.rt < FHUGE) |
| 90 |
|
dp->r += 1.0/ar.rt; |
| 91 |
|
/* (re)initialize error */ |
| 92 |
|
if (dp->n++) { |
| 213 |
|
else if (arad < minarad) |
| 214 |
|
arad = minarad; |
| 215 |
|
arad /= sqrt(r->rweight); |
| 216 |
+ |
if (pg != NULL) { /* clip pos. gradient if too large */ |
| 217 |
+ |
d = 4.0*DOT(pg,pg)*arad*arad; |
| 218 |
+ |
if (d > 1.0) { |
| 219 |
+ |
d = 1.0/sqrt(d); |
| 220 |
+ |
for (i = 0; i < 3; i++) |
| 221 |
+ |
pg[i] *= d; |
| 222 |
+ |
} |
| 223 |
+ |
} |
| 224 |
|
return(arad); |
| 225 |
|
oopsy: |
| 226 |
|
if (div != NULL) |
| 235 |
|
{ |
| 236 |
|
register int i; |
| 237 |
|
/* set number of divisions */ |
| 238 |
< |
hp->nt = sqrt(ambdiv * r->rweight * 0.5) + 0.5; |
| 239 |
< |
hp->np = 2 * hp->nt; |
| 238 |
> |
hp->nt = sqrt(ambdiv * r->rweight / PI) + 0.5; |
| 239 |
> |
hp->np = PI * hp->nt; |
| 240 |
|
/* make axes */ |
| 241 |
|
VCOPY(hp->uz, r->ron); |
| 242 |
|
hp->uy[0] = hp->uy[1] = hp->uy[2] = 0.0; |
