|  | #ifndef _MSC_VER | 
|  | #warning deprecated | 
|  | #endif | 
|  | /* deprecated | 
|  | Matrix3i m = Matrix3i::Random(); | 
|  | cout << "Here is the matrix m:" << endl << m << endl; | 
|  | cout << "Here is the upper-triangular matrix extracted from m:" << endl | 
|  | << m.part<Eigen::UpperTriangular>() << endl; | 
|  | cout << "Here is the strictly-upper-triangular matrix extracted from m:" << endl | 
|  | << m.part<Eigen::StrictlyUpperTriangular>() << endl; | 
|  | cout << "Here is the unit-lower-triangular matrix extracted from m:" << endl | 
|  | << m.part<Eigen::UnitLowerTriangular>() << endl; | 
|  | */ |