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diff --git a/include/astra/CudaDataOperationAlgorithm.h b/include/astra/CudaDataOperationAlgorithm.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_CUDADATAOPERATIONALGORITHM
+#define _INC_ASTRA_CUDADATAOPERATIONALGORITHM
+
+#include "Globals.h"
+#include "Config.h"
+#include "Algorithm.h"
+#include "Float32VolumeData2D.h"
+
+#ifdef ASTRA_CUDA
+
+namespace astraCUDA {
+class PDART;
+}
+
+namespace astra {
+	
+	class _AstraExport CCudaDataOperationAlgorithm : public CAlgorithm
+{
+	
+public:
+	
+	// type of the algorithm, needed to register with CAlgorithmFactory
+	static std::string type;
+	
+	/** Default constructor, containing no code.
+	 */
+	CCudaDataOperationAlgorithm();
+	
+	/** Destructor.
+	 */
+	virtual ~CCudaDataOperationAlgorithm();
+
+	/** Initialize the algorithm with a config object.
+	 *
+	 * @param _cfg Configuration Object
+	 * @return initialization successful?
+	 */
+	virtual bool initialize(const Config& _cfg);
+
+	/** Initialize class, use sequential order.
+	 *
+	 * @param _pSegmentation		...
+	 * @param iConn					...
+	 */
+	//bool initialize(CFloat32VolumeData2D* _pSegmentation, int _iConn);
+
+	/** Get all information parameters
+	 *
+	 * @return map with all boost::any object
+	 */
+	virtual map<string,boost::any> getInformation();
+
+	/** Get a single piece of information represented as a boost::any
+	 *
+	 * @param _sIdentifier identifier string to specify which piece of information you want
+	 * @return boost::any object
+	 */
+	virtual boost::any getInformation(std::string _sIdentifier);
+
+	/** Get a description of the class.
+	 *
+	 * @return description string
+	 */
+	virtual std::string description() const;
+
+	/** Perform a number of iterations.
+	 *
+	 * @param _iNrIterations amount of iterations to perform.
+	 */
+	virtual void run(int _iNrIterations = 0);
+
+
+protected:
+	/** Check this object.
+	 *
+	 * @return object initialized
+	 */
+	bool _check();
+
+
+
+	int m_iGPUIndex;
+
+	CFloat32Data2D* m_pMask;
+
+	vector<CFloat32Data2D*> m_pData;
+	vector<float> m_fScalar;
+
+	string m_sOperation;
+
+};
+
+// inline functions
+inline std::string CCudaDataOperationAlgorithm::description() const { return CCudaDataOperationAlgorithm::type; };
+
+} // end namespace
+
+#endif // ASTRA_CUDA
+
+#endif