* Implementation of GiNaC's clifford algebra (Dirac gamma) objects. */
/*
- * GiNaC Copyright (C) 1999-2011 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2015 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
if (is_a<clifford>(*other)) {
- // Contraction only makes sense if the represenation labels are equal
+ // Contraction only makes sense if the representation labels are equal
if (ex_to<clifford>(*other).get_representation_label() != rl)
return false;
unsigned char rl = unit.get_representation_label();
if (is_a<clifford>(*other)) {
- // Contraction only makes sense if the represenation labels are equal
+ // Contraction only makes sense if the representation labels are equal
// and the metrics are the same
if ((ex_to<clifford>(*other).get_representation_label() != rl)
&& unit.same_metric(*other))