| // SPDX-FileCopyrightText: The Eigen Authors | |
| // SPDX-License-Identifier: MPL-2.0 | |
| Matrix4i m = Matrix4i::Random(); | |
| cout << "Here is the matrix m:" << endl << m << endl; | |
| cout << "Here is m.topLeftCorner(2, 2):" << endl; | |
| cout << m.topLeftCorner(2, 2) << endl; | |
| m.topLeftCorner(2, 2).setZero(); | |
| cout << "Now the matrix m is:" << endl << m << endl; |