--- libg15render-1.2_old/pixel.c        2007-03-14 23:37:42.000000000 +0100
+++ libg15render-1.2/pixel.c    2007-03-14 23:36:29.000000000 +0100
@@ -17,6 +17,7 @@
 */
 
 #include <fcntl.h>
+#include <math.h>
 #include "libg15render.h"
 
 void