| // SPDX-FileCopyrightText: The Eigen Authors |
| // SPDX-License-Identifier: MPL-2.0 |
| |
| #include <iostream> |
| #include <Eigen/Dense> |
| |
| int main() { |
| Eigen::Matrix2d a; |
| a << 1, 2, 3, 4; |
| Eigen::MatrixXd b(2, 2); |
| b << 2, 3, 1, 4; |
| std::cout << "a + b =\n" << a + b << std::endl; |
| std::cout << "a - b =\n" << a - b << std::endl; |
| std::cout << "Doing a += b;" << std::endl; |
| a += b; |
| std::cout << "Now a =\n" << a << std::endl; |
| Eigen::Vector3d v(1, 2, 3); |
| Eigen::Vector3d w(1, 0, 0); |
| std::cout << "-v + w - v =\n" << -v + w - v << std::endl; |
| } |
