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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_ARITH2_H
+#define _CUDA_ARITH2_H
+
+#include <cuda.h>
+
+namespace astraCUDA {
+
+	void roiSelect(float* out, float radius, unsigned int width, unsigned int height);
+	void dartMask(float* out, const float* in, unsigned int conn, unsigned int radius, unsigned int threshold, unsigned int width, unsigned int height);
+	void dartSmoothing(float* out, const float* in, float b, unsigned int radius, unsigned int width, unsigned int height);
+
+	bool setGPUIndex(int index);
+
+}
+
+#endif