22 int read_file(std::string filename,
int verbose,vector<std::string>& A);
24 void file2matrix(std::string filename,vector< vector<double> >& m);
25 void file2matrix(std::string filename,vector< vector<double> >& m,
double scl);
26 void file2matrix(std::string filename,vector< vector<int> >& m);
28 void show_2D(vector< vector<double> >& in);