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root/Development/ray/src/rt/aniso.c

Comparing ray/src/rt/aniso.c (file contents):
Revision 2.20 by greg, Wed May 20 14:23:45 1992 UTC vs.
Revision 2.21 by greg, Sun Aug 23 08:48:54 1992 UTC

#	Line 117 | Line 117 | double  omega;                 /* light source size */
117		dtmp2 *= dtmp2 / av2;
118		/* gaussian */
119		dtmp = (dtmp1 + dtmp2) / (1.0 + DOT(np->pnorm, h));
120	<	dtmp = exp(-2.0*dtmp) * 1.0/(4.0*PI)
120	>	dtmp = exp(-2.0*dtmp) * (1.0/4.0/PI)
121		* sqrt(ldot/(np->pdot*au2*av2));
122		/* worth using? */
123		if (dtmp > FTINY) {
#	Line 163 | Line 163 | double  omega;                 /* light source size */
163		} else
164		dtmp = 0.0;
165		/* gaussian */
166	<	dtmp = exp(-dtmp) * 1.0/PI
166	>	dtmp = exp(-dtmp) * (1.0/PI)
167		* sqrt(-ldot/(np->pdot*au2*av2));
168		/* worth using? */
169		if (dtmp > FTINY) {

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