| // SPDX-FileCopyrightText: The Eigen Authors | |
| // SPDX-License-Identifier: MPL-2.0 | |
| #include <Eigen/Dense> | |
| #include <iostream> | |
| int main() { | |
| Eigen::ArrayXXf m(2, 2); | |
| // assign some values coefficient by coefficient | |
| m(0, 0) = 1.0; | |
| m(0, 1) = 2.0; | |
| m(1, 0) = 3.0; | |
| m(1, 1) = m(0, 1) + m(1, 0); | |
| // print values to standard output | |
| std::cout << m << std::endl << std::endl; | |
| // using the comma-initializer is also allowed | |
| m << 1.0, 2.0, 3.0, 4.0; | |
| // print values to standard output | |
| std::cout << m << std::endl; | |
| } |