--- ray/src/util/findglare.c	1991/03/20 12:20:38	1.9
+++ ray/src/util/findglare.c	1991/03/25 14:40:10	1.12
@@ -204,7 +204,7 @@ init()				/* initialize global variables */
 						/* set direction vectors */
 	for (i = 0; glarang[i] != AEND; i++)
 		;
-	if (i > 0 && glarang[0] <= 0 || glarang[i-1] >= 180) {
+	if (i > 0 && (glarang[0] <= 0 || glarang[i-1] >= 180)) {
 		fprintf(stderr, "%s: glare angles must be between 1 and 179\n",
 				progname);
 		exit(1);
@@ -328,7 +328,8 @@ printillum()			/* print out indirect illuminances */
 
 	printf("BEGIN indirect illuminance\n");
 	for (i = 0; i < nglardirs; i++)
-		printf("\t%.0f\t%f\n", (180.0/PI)*indirect[i].theta,
-				PI * indirect[i].sum / (double)indirect[i].n);
+		if (indirect[i].n > FTINY)
+			printf("\t%.0f\t%f\n", (180.0/PI)*indirect[i].theta,
+					PI * indirect[i].sum / indirect[i].n);
 	printf("END indirect illuminance\n");
 }