--- ray/src/util/findglare.c	1992/12/07 09:13:58	2.4
+++ ray/src/util/findglare.c	1994/03/06 12:52:58	2.7
@@ -55,6 +55,13 @@ char	*argv[];
 	progname = argv[0];
 					/* process options */
 	for (i = 1; i < argc && argv[i][0] == '-'; i++) {
+						/* expand arguments */
+		while (rval = expandarg(&argc, &argv, i))
+			if (rval < 0) {
+				fprintf(stderr, "%s: cannot expand '%s'",
+						argv[0], argv[i]);
+				exit(1);
+			}
 		rval = getviewopt(&ourview, argc-i, argv+i);
 		if (rval >= 0) {
 			i += rval;
@@ -112,6 +119,7 @@ char	*argv[];
 			/* FALL THROUGH */
 		case 'l':
 		case 's':
+		case 'P':
 			rtargv[rtargc++] = argv[i];
 			rtargv[rtargc++] = argv[++i];
 			break;
@@ -195,6 +203,7 @@ char	*argv[];
 		absorb_specks();		/* eliminate tiny sources */
 	cleanup();				/* tidy up */
 						/* print header */
+	newheader("RADIANCE", stdout);
 	printargs(argc, argv, stdout);
 	fputs(VIEWSTR, stdout);
 	fprintview(&ourview, stdout);
@@ -363,8 +372,8 @@ int	x, y;
 		xo = x-hl;
 	else
 		xo = 0;
-	disc = 1. - (double)(xo*xo + y*y)/(sampdens*sampdens);
-	if (disc <= FTINY)
+	disc = 1. - (double)((long)xo*xo + (long)y*y)/((long)sampdens*sampdens);
+	if (disc <= FTINY*FTINY)
 		return(0.);
 	return(1./(sampdens*sampdens*sqrt(disc)));
 }