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/*
-----------------------------------------------------------------------
Copyright: 2010-2016, iMinds-Vision Lab, University of Antwerp
2014-2016, CWI, Amsterdam
Contact: astra@astra-toolbox.com
Website: http://www.astra-toolbox.com/
This file is part of the 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/>.
-----------------------------------------------------------------------
*/
#ifndef _CUDA_UTIL_H
#define _CUDA_UTIL_H
#include <cuda.h>
#include <driver_types.h>
#include <string>
#include "astra/Globals.h"
#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,
const SDimensions& dims,
float* outD_data, unsigned int out_pitch);
bool copyVolumeFromDevice(float* out_data, unsigned int out_pitch,
const SDimensions& dims,
float* inD_data, unsigned int in_pitch);
bool copySinogramFromDevice(float* out_data, unsigned int out_pitch,
const SDimensions& dims,
float* inD_data, unsigned int in_pitch);
bool copySinogramToDevice(const float* in_data, unsigned int in_pitch,
const SDimensions& dims,
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 allocateVolumeData(float*& D_ptr, unsigned int& pitch, const SDimensions& dims);
bool allocateProjectionData(float*& D_ptr, unsigned int& pitch, const SDimensions& dims);
void zeroVolumeData(float* D_ptr, unsigned int pitch, const SDimensions& dims);
void zeroProjectionData(float* D_ptr, unsigned int pitch, const SDimensions& dims);
void duplicateVolumeData(float* D_dst, float* D_src, unsigned int pitch, const SDimensions& dims);
void duplicateProjectionData(float* D_dst, float* D_src, unsigned int pitch, const SDimensions& dims);
bool cudaTextForceKernelsCompletion();
void reportCudaError(cudaError_t err);
float dotProduct2D(float* D_data, unsigned int pitch,
unsigned int width, unsigned int height);
}
#endif
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