--- ray/src/rt/rtrace.c	1991/10/21 12:58:10	1.20
+++ ray/src/rt/rtrace.c	1992/01/14 16:16:07	2.3
@@ -51,6 +51,9 @@ int  vspretest = 512;			/* virtual source pretest dens
 int  directinvis = 0;			/* sources invisible? */
 double  srcsizerat = .25;		/* maximum ratio source size/dist. */
 
+double  specthresh = .5;		/* specular sampling threshold */
+double  specjitter = 1.;		/* specular sampling jitter */
+
 int  maxdepth = 6;			/* maximum recursion depth */
 double  minweight = 4e-3;		/* minimum ray weight */
 
@@ -237,7 +240,6 @@ int  fmt;
 FILE  *fp;
 {
 	extern char  *fgetword();
-	extern double  atof();
 	static float  vf[3];
 	char  buf[32];
 	register int  i;