--- a/hedgewars/pas2c.h	Thu May 10 13:45:47 2012 +0400
+++ b/hedgewars/pas2c.h	Thu May 10 22:55:13 2012 +0400
@@ -105,3 +105,6 @@
 
 int random(int max);
 int abs(int i);
+double sqr(double n);
+double sqrt(double n);
+int trunc(double n);