--- ray/src/px/ra_rgbe.c	1992/09/21 12:15:13	2.3
+++ ray/src/px/ra_rgbe.c	1992/10/02 16:26:39	2.4
@@ -9,13 +9,14 @@ static char SCCSid[] = "$SunId$ LBL";
  */
 
 #include  <stdio.h>
+#include  <math.h>
+#include  "color.h"
+#include  "resolu.h"
+
 #ifdef MSDOS
 #include  <fcntl.h>
 #endif
 
-#include  "color.h"
-#include  "resolu.h"
-
 extern char  *malloc();
 
 int  bradj = 0;				/* brightness adjustment */
@@ -89,7 +90,6 @@ char  *err;
 
 transfer()		/* transfer Radiance picture */
 {
-	extern double	pow();
 	int	order;
 	int	xmax, ymax;
 	COLR	*scanin;