Use SPDX license identifier

include/cramer.h

@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <matrix.h>
+#include <vector.h>

include/matrix.h

@@ -1,9 +1,12 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 #pragma once
 
 #include <vector>
 #include <complex>
 #include <utility>
 #include <tuple>
+#include <initializer_list>
 
 namespace cramer {
 
@@ -50,6 +53,15 @@ class Matrix {
      */
     Matrix(const std::vector<std::vector<T>>& values);
 
+    /**
+     * @brief Constructor that creates a matrix from an initializer list.
+     * @param rows Number of rows.
+     * @param cols Number of columns.
+     * @param values The initializer list of values to populate the matrix.
+     * @throws std::invalid_argument if the size of values doesn't match rows * cols.
+     */
+    Matrix(size_t rows, size_t cols, std::initializer_list<T> values);
+
     /**
      * @brief Gets the number of rows in the matrix.
      * @return The number of rows.
@@ -312,4 +324,4 @@ class Matrix {
     Vector<T> solve(const Vector<T>& b) const;
 };
 
-}  // namespace cramer
+} // namespace cramer

include/vector.h

@@ -1,19 +1,4 @@
-/*
- * This file is part of Cramer.
- *
- * Cramer is free software: you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation, either version 3 of the License, or (at your option) any later
- * version.
- *
- * Cramer is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License along with
- * Cramer. If not, see <https://www.gnu.org/licenses/>.
- */
+// SPDX-License-Identifier: GPL-3.0-or-later
 
 #pragma once