Reads matrix from an input stream.

Read a sparse matrix from an input stream or a file using the .osm file format.

Read a sparse matrix (the input must respect the .osm file format).

Friends
template<typename _CT , template< typename, int > typename SCT>
std::istream &	read_matrix (Sparse_matrix_core< _CT, OSM::COLUMN, SCT > &M, std::istream &in)
	Reads a sparse COLUMN matrix from a stream.
template<typename _CT , template< typename, int > typename SCT>
std::istream &	read_matrix (Sparse_matrix_core< _CT, OSM::ROW, SCT > &M, std::istream &in)
	Reads a sparse ROW matrix from a stream.
template<typename _CT , template< typename, int > typename SCT>
void	read_matrix (Sparse_matrix_core< _CT, OSM::COLUMN, SCT > &M, std::string filename)
	Reads a sparse COLUMN matrix from a file.
template<typename _CT , template< typename, int > typename SCT>
void	read_matrix (Sparse_matrix_core< _CT, OSM::ROW, SCT > &M, std::string filename)
	Reads a sparse ROW matrix from a file.