| // SPDX-FileCopyrightText: The Eigen Authors | |
| // SPDX-License-Identifier: MPL-2.0 | |
| #include <iostream> | |
| #include <Eigen/Dense> | |
| int main() { | |
| Eigen::Matrix2d A; | |
| A << 2, 1, 2, 0.9999999999; | |
| Eigen::FullPivLU<Eigen::Matrix2d> lu(A); | |
| std::cout << "By default, the rank of A is found to be " << lu.rank() << std::endl; | |
| lu.setThreshold(1e-5); | |
| std::cout << "With threshold 1e-5, the rank of A is found to be " << lu.rank() << std::endl; | |
| } |