--- ray/src/common/view.h	1990/01/18 23:58:55	1.5
+++ ray/src/common/view.h	1992/10/02 15:56:31	2.2
@@ -11,6 +11,8 @@
 				/* view types */
 #define  VT_PER		'v'		/* perspective */
 #define  VT_PAR		'l'		/* parallel */
+#define  VT_ANG		'a'		/* angular fisheye */
+#define  VT_HEM		'h'		/* hemispherical fisheye */
 
 typedef struct {
 	int  type;		/* view type */
@@ -31,10 +33,9 @@ extern VIEW  stdview;
 
 extern char  *setview();
 
-extern double  sqrt();
-
 #define  viewaspect(v)	sqrt((v)->vn2/(v)->hn2)
 
 #define  STDVIEW	{VT_PER,0.,0.,0.,0.,1.,0.,0.,0.,1.,45.,45.,0.,0.}
 
 #define  VIEWSTR	"VIEW="
+#define  VIEWSTRL	5