| // SPDX-FileCopyrightText: The Eigen Authors |
| // SPDX-License-Identifier: MPL-2.0 |
| |
| #define EIGEN_NO_STATIC_ASSERT |
| #include "../Eigen/Core" |
| |
| int main() { |
| Eigen::PermutationMatrix<2> permutation; |
| permutation.setIdentity(); |
| Eigen::Matrix2d matrix = Eigen::Matrix2d::Identity(); |
| #ifdef EIGEN_SHOULD_FAIL_TO_BUILD |
| Eigen::internal::BandMatrix<double, 2, 2, 1, 1> operand; |
| #else |
| auto operand = matrix; |
| #endif |
| Eigen::Matrix2d result = Eigen::Matrix2d::Constant(42); |
| result.noalias() = Eigen::Product<decltype(permutation), decltype(operand)>(permutation, operand); |
| return result.isIdentity() ? 0 : 1; |
| } |
