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

Comparing ray/src/rt/ambcomp.c (file contents):
Revision 2.12 by schorsch, Sun Jul 27 22:12:03 2003 UTC vs.
Revision 2.13 by greg, Wed Apr 13 23:00:59 2005 UTC

#	Line 230 | Line 230 | double  wt;
230		{
231		register int  i;
232		/* set number of divisions */
233	–	if (wt < (.25*PI)/ambdiv+FTINY) {
234	–	hp->nt = hp->np = 0;
235	–	return;                 /* zero samples */
236	–	}
233		hp->nt = sqrt(ambdiv * wt / PI) + 0.5;
234	+	i = ambacc > FTINY ? 3 : 1;     /* minimum number of samples */
235	+	if (hp->nt < i)
236	+	hp->nt = i;
237		hp->np = PI * hp->nt + 0.5;
238		/* make axes */
239		VCOPY(hp->uz, r->ron);

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