From b2fc6c70434674d74551c3a6c01ffb3233499312 Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be>
Date: Mon, 1 Jul 2013 22:34:11 +0000
Subject: Update version to 1.3

---
 cuda/3d/cgls3d.h | 114 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 cuda/3d/cgls3d.h

(limited to 'cuda/3d/cgls3d.h')

diff --git a/cuda/3d/cgls3d.h b/cuda/3d/cgls3d.h
new file mode 100644
index 0000000..d16b571
--- /dev/null
+++ b/cuda/3d/cgls3d.h
@@ -0,0 +1,114 @@
+/*
+-----------------------------------------------------------------------
+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_CGLS3D_H
+#define _CUDA_CGLS3D_H
+
+#include "util3d.h"
+#include "algo3d.h"
+
+namespace astraCUDA3d {
+
+class _AstraExport CGLS : public ReconAlgo3D {
+public:
+	CGLS();
+	~CGLS();
+
+//	bool setConeGeometry(const SDimensions3D& dims, const SConeProjection* projs);
+
+
+	bool enableVolumeMask();
+	bool enableSinogramMask();
+
+	// init should be called after setting all geometry
+	bool init();
+
+	// setVolumeMask should be called after init and before iterate,
+	// but only if enableVolumeMask was called before init.
+	// It may be called again after iterate.
+	bool setVolumeMask(cudaPitchedPtr& D_maskData);
+
+	// setSinogramMask should be called after init and before iterate,
+	// but only if enableSinogramMask was called before init.
+	// It may be called again after iterate.
+	bool setSinogramMask(cudaPitchedPtr& D_smaskData);
+
+
+	// setBuffers should be called after init and before iterate.
+	// It may be called again after iterate.
+	bool setBuffers(cudaPitchedPtr& D_volumeData,
+	                cudaPitchedPtr& D_projData);
+
+
+	// set Min/Max constraints. They may be called at any time, and will affect
+	// any iterate() calls afterwards.
+	bool setMinConstraint(float fMin) { return false; }
+	bool setMaxConstraint(float fMax) { return false; }
+
+	// iterate should be called after init and setBuffers.
+	// It may be called multiple times.
+	bool iterate(unsigned int iterations);
+
+	// Compute the norm of the difference of the FP of the current reconstruction
+	// and the sinogram. (This performs one FP.)
+	// It can be called after iterate.
+	float computeDiffNorm();
+
+protected:
+	void reset();
+
+	bool useVolumeMask;
+	bool useSinogramMask;
+
+	cudaPitchedPtr D_maskData;
+	cudaPitchedPtr D_smaskData;
+
+	// Input/output
+	cudaPitchedPtr D_sinoData;
+	cudaPitchedPtr D_volumeData;
+
+ 	// Temporary buffers
+	cudaPitchedPtr D_r;
+	cudaPitchedPtr D_w;
+	cudaPitchedPtr D_z;
+	cudaPitchedPtr D_p;
+
+	float gamma;
+
+	bool sliceInitialized;
+};
+
+_AstraExport bool doCGLS(cudaPitchedPtr D_volumeData, unsigned int volumePitch,
+            cudaPitchedPtr D_projData, unsigned int projPitch,
+            cudaPitchedPtr D_maskData, unsigned int maskPitch,
+            const SDimensions3D& dims, const SConeProjection* projs,
+            unsigned int iterations);
+
+}
+
+#endif
-- 
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