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root/radiance/ray/src/rt/source.c
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Comparing ray/src/rt/source.c (file contents):
Revision 1.30 by greg, Mon Feb 11 08:43:48 1991 UTC vs.
Revision 1.31 by greg, Tue May 21 17:41:26 1991 UTC

# Line 215 | Line 215 | register int  sn;              /* source number */
215          }
216          if (dstrsrc > FTINY) {
217                                          /* distribute source direction */
218 <                for (i = 0; i < 3; i++)
219 <                        vd[i] = dstrsrc * source[sn].ss * (1.0 - 2.0*frandom());
220 <
218 >                dimlist[ndims++] = sn;
219 >                for (i = 0; i < 3; i++) {
220 >                        dimlist[ndims] = i + 8831;
221 >                        vd[i] = dstrsrc * source[sn].ss *
222 >                (1.0 - 2.0*urand(ilhash(dimlist,ndims+1)+samplendx));
223 >                }
224 >                ndims--;
225                  if (norm != NULL) {             /* project offset */
226                          d = DOT(vd, norm);
227                          for (i = 0; i < 3; i++)

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