--- mesh/matrix3.h.orig	Sun Nov  9 21:01:16 2003
+++ mesh/matrix3.h	Fri Aug 27 12:44:20 2004
@@ -9,7 +9,8 @@
 #ifndef _MATRIX3_H
 #define _MATRIX3_H
 
-#include <stdarg.h>
+#include <cstdarg>
+#include <cmath>
 
 #define SIZE 3