xref: /aosp_15_r20/external/eigen/doc/snippets/MatrixBase_triangularView.cpp (revision bf2c37156dfe67e5dfebd6d394bad8b2ab5804d4)
1*bf2c3715SXin Li Matrix3i m = Matrix3i::Random();
2*bf2c3715SXin Li cout << "Here is the matrix m:" << endl << m << endl;
3*bf2c3715SXin Li cout << "Here is the upper-triangular matrix extracted from m:" << endl
4*bf2c3715SXin Li      << Matrix3i(m.triangularView<Eigen::Upper>()) << endl;
5*bf2c3715SXin Li cout << "Here is the strictly-upper-triangular matrix extracted from m:" << endl
6*bf2c3715SXin Li      << Matrix3i(m.triangularView<Eigen::StrictlyUpper>()) << endl;
7*bf2c3715SXin Li cout << "Here is the unit-lower-triangular matrix extracted from m:" << endl
8*bf2c3715SXin Li      << Matrix3i(m.triangularView<Eigen::UnitLower>()) << endl;
9*bf2c3715SXin Li // FIXME need to implement output for triangularViews (Bug 885)
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