--- ray/src/rt/ambient.c	2014/05/09 23:08:50	2.88
+++ ray/src/rt/ambient.c	2014/06/19 16:26:55	2.91
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: ambient.c,v 2.88 2014/05/09 23:08:50 greg Exp $";
+static const char	RCSid[] = "$Id: ambient.c,v 2.91 2014/06/19 16:26:55 greg Exp $";
 #endif
 /*
  *  ambient.c - routines dealing with ambient (inter-reflected) component.
@@ -109,12 +109,12 @@ setambres(				/* set ambient resolution */
 						/* set min & max radii */
 	if (ar <= 0) {
 		minarad = 0;
-		maxarad = thescene.cusize*0.5;
+		maxarad = thescene.cusize*0.2;
 	} else {
 		minarad = thescene.cusize / ar;
 		maxarad = 64.0 * minarad;		/* heuristic */
-		if (maxarad > thescene.cusize*0.5)
-			maxarad = thescene.cusize*0.5;
+		if (maxarad > thescene.cusize*0.2)
+			maxarad = thescene.cusize*0.2;
 	}
 	if (minarad <= FTINY)
 		minarad = 10.0*FTINY;
@@ -263,7 +263,7 @@ ambnotify(			/* record new modifier */
 
 /************ THE FOLLOWING ROUTINES DIFFER BETWEEN NEW & OLD ***************/
 
-#ifdef NEWAMB
+#ifndef OLDAMB
 
 #define tfunc(lwr, x, upr)	(((x)-(lwr))/((upr)-(lwr)))
 
@@ -1194,8 +1194,8 @@ sortambvals(			/* resort ambient values */
 		if (i_avlist < nambvals)
 			error(CONSISTENCY, "missing ambient values in sortambvals");
 #endif
-		qsort((char *)avlist1, nambvals, sizeof(struct avl), &alatcmp);
-		qsort((char *)avlist2, nambvals, sizeof(AMBVAL *), &aposcmp);
+		qsort((char *)avlist1, nambvals, sizeof(struct avl), alatcmp);
+		qsort((char *)avlist2, nambvals, sizeof(AMBVAL *), aposcmp);
 		for (i = 0; i < nambvals; i++) {
 			if (avlist1[i].p == NULL)
 				continue;