--- ray/src/rt/rv3.c	1992/10/02 16:19:56	2.3
+++ ray/src/rt/rv3.c	1993/08/05 13:05:01	2.5
@@ -19,8 +19,12 @@ static char SCCSid[] = "$SunId$ LBL";
 #include  "random.h"
 
 #ifndef WFLUSH
-#define WFLUSH		30		/* flush after this many rays */
+#ifdef SPEED
+#define WFLUSH		(5*SPEED)
+#else
+#define WFLUSH		100		/* flush after this many rays */
 #endif
+#endif
 
 #ifdef  SMLFLT
 #define  sscanvec(s,v)	(sscanf(s,"%f %f %f",v,v+1,v+2)==3)
@@ -143,8 +147,8 @@ paint(p, xmin, ymin, xmax, ymax)	/* compute and paint 
 register PNODE  *p;
 int  xmin, ymin, xmax, ymax;
 {
-	extern long  nrays;
-	static long  lastflush = 0;
+	extern unsigned long  nrays;
+	static unsigned long  lastflush = 0;
 	static RAY  thisray;
 	double  h, v;