# | Line 369 | Line 369 | register NORMDAT *np; | |
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369 | if (rv[1] <= FTINY) | |
370 | d = 1.0; | |
371 | else | |
372 | < | d = sqrt( np->alpha2/4.0 * -log(rv[1]) ); |
372 | > | d = sqrt( -log(rv[1]) * np->alpha2 ); |
373 | for (i = 0; i < 3; i++) | |
374 | sr.rdir[i] = np->prdir[i] + d*(cosp*u[i] + sinp*v[i]); | |
375 | if (DOT(sr.rdir, r->ron) < -FTINY) |
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