--- ray/src/rt/ambient.c	1995/05/02 15:28:36	2.29
+++ ray/src/rt/ambient.c	1995/10/03 11:53:30	2.31
@@ -89,7 +89,7 @@ int  ar;
 		maxarad = thescene.cusize / 2.0;
 	} else {
 		minarad = thescene.cusize / ar;
-		maxarad = 16 * minarad;			/* heuristic */
+		maxarad = 64 * minarad;			/* heuristic */
 		if (maxarad > thescene.cusize / 2.0)
 			maxarad = thescene.cusize / 2.0;
 	}
@@ -279,8 +279,7 @@ double	s;
 		 *  Jittering final test reduces image artifacts.
 		 */
 		wt = sqrt(e1) + sqrt(e2);
-		wt *= .9 + .2*urand(9015+samplendx);
-		if (wt > ambacc)
+		if (wt > ambacc*(.9+.2*urand(9015+samplendx)))
 			continue;
 		if (wt <= 1e-3)
 			wt = 1e3;