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diff --git a/matlab/mex/mexHelpFunctions.h b/matlab/mex/mexHelpFunctions.h
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+/*
+-----------------------------------------------------------------------
+Copyright 2012 iMinds-Vision Lab, University of Antwerp
+
+Contact: astra@ua.ac.be
+Website: http://astra.ua.ac.be
+
+
+This file is part of the
+All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA Toolbox").
+
+The ASTRA Toolbox 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 3 of the License, or
+(at your option) any later version.
+
+The ASTRA Toolbox 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 ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
+
+-----------------------------------------------------------------------
+$Id$
+*/
+
+#ifndef _INC_ASTRA_MEX_HELPFUNCTIONS
+#define _INC_ASTRA_MEX_HELPFUNCTIONS
+
+#include <string>
+#include <list>
+#include <iostream>
+#include <sstream>
+#include <map>
+#include <algorithm>
+#include <mex.h>
+
+#include <boost/lexical_cast.hpp>
+#include <boost/any.hpp>
+
+#include "astra/Globals.h"
+#include "astra/Utilities.h"
+
+#include "astra/ParallelProjectionGeometry2D.h"
+#include "astra/FanFlatProjectionGeometry2D.h"
+#include "astra/VolumeGeometry2D.h"
+
+#include "astra/XMLDocument.h"
+#include "astra/XMLNode.h"
+
+std::string mex_util_get_string(const mxArray* pInput);
+bool isOption(std::list<std::string> lOptions, std::string sOption);
+
+bool mex_is_scalar(const mxArray* pInput);
+
+std::map<std::string, mxArray*> parseStruct(const mxArray* pInput);
+mxArray* buildStruct(std::map<std::string, mxArray*> mInput);
+mxArray* vectorToMxArray(std::vector<astra::float32> mInput);
+
+mxArray* anyToMxArray(boost::any _any);
+
+astra::CProjectionGeometry2D* parseProjectionGeometryStruct(const mxArray*);
+mxArray* createProjectionGeometryStruct(astra::CProjectionGeometry2D*);
+astra::CVolumeGeometry2D* parseVolumeGeometryStruct(const mxArray*);
+mxArray* createVolumeGeometryStruct(astra::CVolumeGeometry2D* _pReconGeom);
+
+astra::XMLDocument* struct2XML(string rootname, const mxArray* pStruct);
+
+mxArray* XML2struct(astra::XMLDocument* xml);
+mxArray* XMLNode2struct(astra::XMLNode* xml);
+
+void get3DMatrixDims(const mxArray* x, mwSize *dims);
+
+#endif