| // SPDX-FileCopyrightText: The Eigen Authors | |
| // SPDX-License-Identifier: MPL-2.0 | |
| #ifndef EIGEN_KRONECKER_PRODUCT_MODULE_H | |
| #error \ | |
| "Please include unsupported/Eigen/KroneckerProduct instead of including headers inside the src directory directly." | |
| #endif |