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root/radiance/ray/src/rt/ambcomp.c
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Comparing ray/src/rt/ambcomp.c (file contents):
Revision 2.69 by greg, Thu Dec 4 05:26:28 2014 UTC vs.
Revision 2.70 by greg, Thu May 21 05:54:54 2015 UTC

# Line 235 | Line 235 | samp_hemi(                             /* sample indirect hemisphere */
235          d = 1.0/(n*n);
236          scalecolor(hp->acoef, d);
237                                          /* make tangent plane axes */
238 <        if (!getperpendicular(hp->ux, r->ron))
238 >        if (!getperpendicular(hp->ux, r->ron, 1))
239                  error(CONSISTENCY, "bad ray direction in samp_hemi");
240          VCROSS(hp->uy, r->ron, hp->ux);
241                                          /* sample divisions */

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