snippet print_mat "Print matrix" b
for (unsigned int iii = 0; iii < ${0:mat}.size(); ++iii) {
	cout << setw(12) << mat[iii][0];
	for (unsigned int jjj = 1; jjj < mat.size(); ++jjj) {
		cout << ", ";
		cout << setw(12) << mat[iii][jjj];
	}
	cout << endl;
}
endsnippet