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diff --git a/cuda/3d/algo3d.h b/cuda/3d/algo3d.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 _CUDA_ALGO_H
+#define _CUDA_ALGO_H
+
+#include "dims3d.h"
+#include "util3d.h"
+
+namespace astraCUDA3d {
+
+class _AstraExport ReconAlgo3D {
+public:
+	ReconAlgo3D();
+	~ReconAlgo3D();
+
+	bool setConeGeometry(const SDimensions3D& dims, const SConeProjection* projs);
+	bool setPar3DGeometry(const SDimensions3D& dims, const SPar3DProjection* projs);
+
+	void signalAbort() { shouldAbort = true; }
+
+protected:
+	void reset();
+
+	bool callFP(cudaPitchedPtr& D_volumeData, 
+	            cudaPitchedPtr& D_projData, 
+	            float outputScale);
+	bool callBP(cudaPitchedPtr& D_volumeData, 
+	            cudaPitchedPtr& D_projData);
+
+	SDimensions3D dims;
+	SConeProjection* coneProjs;
+	SPar3DProjection* par3DProjs;
+
+	volatile bool shouldAbort;
+
+};
+
+
+}
+
+#endif
+