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Diffstat (limited to 'src/SparseMatrix.cpp')
-rw-r--r-- | src/SparseMatrix.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/SparseMatrix.cpp b/src/SparseMatrix.cpp new file mode 100644 index 0000000..e6d115f --- /dev/null +++ b/src/SparseMatrix.cpp @@ -0,0 +1,91 @@ +/* +----------------------------------------------------------------------- +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/>. + +----------------------------------------------------------------------- +$Id$ +*/ + +#include <sstream> + +#include "astra/Globals.h" +#include "astra/SparseMatrix.h" + +namespace astra +{ + +//---------------------------------------------------------------------------------------- +// constructor + +CSparseMatrix::CSparseMatrix() +{ + m_bInitialized = false; +} + +//---------------------------------------------------------------------------------------- +// constructor +CSparseMatrix::CSparseMatrix(unsigned int _iHeight, unsigned int _iWidth, + unsigned long _lSize) +{ + initialize(_iHeight, _iWidth, _lSize); +} + + +//---------------------------------------------------------------------------------------- +// destructor +CSparseMatrix::~CSparseMatrix() +{ + delete[] m_pfValues; + delete[] m_piColIndices; + delete[] m_plRowStarts; +} + +//---------------------------------------------------------------------------------------- +// initialize +bool CSparseMatrix::initialize(unsigned int _iHeight, unsigned int _iWidth, + unsigned long _lSize) +{ + m_iHeight = _iHeight; + m_iWidth = _iWidth; + m_lSize = _lSize; + + m_pfValues = new float32[_lSize]; + m_piColIndices = new unsigned int[_lSize]; + m_plRowStarts = new unsigned long[_iHeight+1]; + m_bInitialized = true; + + return m_bInitialized; +} + + +std::string CSparseMatrix::description() const +{ + std::stringstream res; + res << m_iHeight << "x" << m_iWidth << " sparse matrix"; + return res.str(); +} + + + + +} // end namespace |