| Benoit Jacob | e7bdbe2e | 2007-12-27 21:43:10 +0000 | [diff] [blame] | 1 | Matrix2f M = Matrix2f::random(); |
| 2 | Matrix2f m; |
| 3 | m = M; |
| 4 | cout << "Here is the matrix m:" << endl << m << endl; |
| 5 | cout << "Now we want to replace m by its own transpose." << endl; |
| 6 | cout << "If we do m = m.transpose(), then m becomes:" << endl; |
| 7 | m = m.transpose(); |
| 8 | cout << m << endl << "which is wrong!" << endl; |
| 9 | cout << "Now let us instead do m = m.transpose().eval(). Then m becomes" << endl; |
| 10 | m = M; |
| 11 | m = m.transpose().eval(); |
| 12 | cout << m << endl << "which is right." << endl; |