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// Some helper to read&write matrices data
#ifndef MATIO_H
#define MATIO_H
#include<iostream>
namespace Eigen{
template<class Matrix>
void write_stream(std::ostream &ostr, const Matrix& matrix){
typename Matrix::Index rows=matrix.rows(), cols=matrix.cols();
ostr<<rows<<" "<<cols<<std::endl;
for (int r=0;r<rows;++r)
{
for (int c=0;c<cols;++c)
ostr<<matrix(r,c)<<" ";
ostr<<std::endl;
}
}
template<class Matrix>
void read_stream(std::istream &istr, Matrix& matrix){
typename Matrix::Index rows=0, cols=0;
istr>>rows>>cols;
matrix.resize(rows, cols);
for (int r=0;r<rows;++r)
for (int c=0;c<cols;++c)
istr>>matrix(r,c);
}
} // Eigen::
#endif
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