* somewhat obsolete (most of this can be replaced by exceptions). */
/*
- * GiNaC Copyright (C) 1999-2015 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2016 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
// functions overriding virtual functions from base classes
protected:
- unsigned return_type() const { return return_types::noncommutative_composite; };
+ unsigned return_type() const override { return return_types::noncommutative_composite; };
// non-virtual functions in this class
protected: