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root/radiance/ray/src/rt/rv2.c
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Comparing ray/src/rt/rv2.c (file contents):
Revision 2.13 by greg, Thu Nov 19 20:27:03 1992 UTC vs.
Revision 2.14 by greg, Fri Dec 11 17:56:22 1992 UTC

# Line 305 | Line 305 | char  *s;
305                          e *= atof(cp);
306          }
307          if (p != NULL) {                /* relative setting */
308 <                if (bright(p->v) < 1e-25) {
308 >                if (bright(p->v) < 1e-15) {
309                          error(COMMAND, "cannot normalize to zero");
310                          return;
311                  }

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