1 files changed, 90 insertions, 0 deletions
diff --git a/cuda/2d/util.h b/cuda/2d/util.h
new file mode 100644
index 0000000..d31e2eb
--- /dev/null
+++ b/cuda/2d/util.h
@@ -0,0 +1,90 @@
+/*
+-----------------------------------------------------------------------
+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_UTIL_H
+#define _CUDA_UTIL_H
+
+#include <cuda.h>
+#include <driver_types.h>
+
+#ifdef _MSC_VER
+
+#ifdef DLL_EXPORTS
+#define _AstraExport __declspec(dllexport)
+#define EXPIMP_TEMPLATE
+#else
+#define _AstraExport __declspec(dllimport)
+#define EXPIMP_TEMPLATE extern
+#endif
+
+#else
+
+#define _AstraExport
+
+#endif
+
+#include "dims.h"
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+#define ASTRA_CUDA_ASSERT(err) do {  if (err != cudaSuccess) { astraCUDA::reportCudaError(err); assert(err == cudaSuccess); } } while(0)
+
+
+namespace astraCUDA {
+
+bool copyVolumeToDevice(const float* in_data, unsigned int in_pitch,
+		unsigned int width, unsigned int height,
+		float* outD_data, unsigned int out_pitch);
+bool copyVolumeFromDevice(float* out_data, unsigned int out_pitch,
+		unsigned int width, unsigned int height,
+		float* inD_data, unsigned int in_pitch);
+bool copySinogramFromDevice(float* out_data, unsigned int out_pitch,
+		unsigned int width, unsigned int height,
+		float* inD_data, unsigned int in_pitch);
+bool copySinogramToDevice(const float* in_data, unsigned int in_pitch,
+		unsigned int width, unsigned int height,
+		float* outD_data, unsigned int out_pitch);
+
+bool allocateVolume(float*& D_ptr, unsigned int width, unsigned int height, unsigned int& pitch);
+
+void zeroVolume(float* D_data, unsigned int pitch, unsigned int width, unsigned int height);
+
+bool cudaTextForceKernelsCompletion();
+void reportCudaError(cudaError_t err);
+
+
+
+float dotProduct2D(float* D_data, unsigned int pitch,
+                   unsigned int width, unsigned int height,
+                   unsigned int padX, unsigned int padY);
+
+}
+
+#endif