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/*
* Copyright © 2004-2011 Ondra Kamenik
* Copyright © 2019 Dynare Team
*
* This file is part of Dynare.
*
* Dynare 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.
*
* Dynare 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 Dynare. If not, see <http://www.gnu.org/licenses/>.
*/
#include "MMMatrix.hh"
#include <fstream>
#include <iomanip>
MMMatrixIn::MMMatrixIn(const std::string &fname)
{
std::ifstream fd{fname};
if (fd.fail())
throw MMException("Cannot open file "+fname+" for reading\n");
// jump over initial comments
while (fd.peek() == '%')
fd.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
// read in number of rows and cols
fd >> rows >> cols;
if (fd.fail())
throw MMException("Couldn't parse rows and cols\n");
// read in data
int len = rows*cols;
data.resize(len);
int i = 0;
while (!fd.eof() && i < len)
{
fd >> data[i];
if (fd.fail())
throw MMException("Couldn't parse float number\n");
i++;
}
if (i < len)
throw MMException("Couldn't read all " + std::to_string(len) + " elements, read "
+ std::to_string(i) + " so far\n");
fd.close();
}
void
MMMatrixOut::write(const std::string &fname, const GeneralMatrix &m)
{
std::ofstream fd{fname, std::ios::out | std::ios::trunc};
if (fd.fail())
throw MMException("Cannot open file "+fname+" for writing\n");
fd << "%%%%MatrixMarket matrix array real general" << std::endl
<< m.nrows() << ' ' << m.ncols() << std::endl
<< std::setprecision(35);
for (int i = 0; i < m.ncols(); i++)
for (int j = 0; j < m.nrows(); j++)
fd << std::setw(40) << m.get(i, j);
fd.close();
}
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