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root/Development/ray/src/common/bsdf.c

Comparing ray/src/common/bsdf.c (file contents):
Revision 2.47 by greg, Sun Mar 23 23:15:53 2014 UTC vs.
Revision 2.48 by greg, Mon Mar 24 04:00:45 2014 UTC

#	Line 558 | Line 558 | SDdiffuseSamp(FVECT outVec, int outFront, double randX
558		SDmultiSamp(outVec, 2, randX);
559		SDsquare2disk(outVec, outVec[0], outVec[1]);
560		outVec[2] = 1. - outVec[0]*outVec[0] - outVec[1]*outVec[1];
561	<	if (outVec[2] > 0)              /* a bit of paranoia */
562	<	outVec[2] = sqrt(outVec[2]);
561	>	outVec[2] = sqrt(outVec[2]*(outVec[2]>0));
562		if (!outFront)                  /* going out back? */
563		outVec[2] = -outVec[2];
564		}

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