--- /dev/null
+/*
+Copyright 2004 John Tsiombikas <nuclear@siggraph.org>
+
+This file is part of the n3dmath2 library.
+
+The n3dmath2 library is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+The n3dmath2 library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the n3dmath2 library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef _N3DMATH2_TYPES_HPP_
+#define _N3DMATH2_TYPES_HPP_
+
+#include "3dengfx_config.h"
+#include "common/types.h"
+
+// -- class forward declarations --
+class Vector2;
+class Vector2i;
+class Vector3;
+class Vector4;
+class Matrix3x3;
+class Matrix4x4;
+class Quaternion;
+class SphVector;
+class Base;
+class Ray;
+
+#endif // _N3DMATH2_TYPES_HPP_