--- ray/src/common/fvect.c	1989/02/02 10:34:32	1.1
+++ ray/src/common/fvect.c	1989/05/08 08:40:56	1.3
@@ -91,12 +91,14 @@ register FVECT  v;
 	
 	len = DOT(v, v);
 	
-	if (len <= FTINY*FTINY)
+	if (len <= 0.0)
 		return(0.0);
 	
+	/****** problematic
 	if (len >= (1.0-FTINY)*(1.0-FTINY) &&
 			len <= (1.0+FTINY)*(1.0+FTINY))
 		return(1.0);
+	******/
 
 	len = sqrt(len);
 	v[0] /= len;