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diff --git a/source/blender/python/generic/mathutils_Matrix.h b/source/blender/python/generic/mathutils_Matrix.h
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+++ b/source/blender/python/generic/mathutils_Matrix.h
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+/* 
+ * $Id$
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Joseph Gilbert
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ *
+ */
+
+#ifndef MATHUTILS_MATRIX_H
+#define MATHUTILS_MATRIX_H
+
+extern PyTypeObject matrix_Type;
+#define MatrixObject_Check(_v) PyObject_TypeCheck((_v), &matrix_Type)
+#define MATRIX_MAX_DIM 4
+
+typedef struct {
+	BASE_MATH_MEMBERS(contigPtr)
+	float *matrix[MATRIX_MAX_DIM];		/* ptr to the contigPtr (accessor) */
+	unsigned short row_size;
+	unsigned short col_size;
+} MatrixObject;
+
+/*struct data contains a pointer to the actual data that the
+object uses. It can use either PyMem allocated data (which will
+be stored in py_data) or be a wrapper for data allocated through
+blender (stored in blend_data). This is an either/or struct not both*/
+
+/*prototypes*/
+PyObject *newMatrixObject(float *mat, const unsigned short row_size, const unsigned short col_size, int type, PyTypeObject *base_type);
+PyObject *newMatrixObject_cb(PyObject *user, int row_size, int col_size, int cb_type, int cb_subtype);
+
+extern int mathutils_matrix_vector_cb_index;
+extern struct Mathutils_Callback mathutils_matrix_vector_cb;
+
+void matrix_as_3x3(float mat[3][3], MatrixObject *self);
+
+#endif /* MATHUTILS_MATRIX_H */