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/*
-----------------------------------------------------------------------
Copyright: 2010-2021, imec Vision Lab, University of Antwerp
2014-2021, 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/>.
-----------------------------------------------------------------------
*/
#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
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