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root/radiance/ray/src/rt/ambcomp.c
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Comparing ray/src/rt/ambcomp.c (file contents):
Revision 1.7 by greg, Thu Jun 13 12:00:29 1991 UTC vs.
Revision 1.9 by greg, Thu Jul 11 16:39:00 1991 UTC

# Line 72 | Line 72 | RAY  *r;
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);
# Line 86 | Line 86 | RAY  *r;
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++) {

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