]> www.ginac.de Git - ginac.git/blobdiff - ginac/color.cpp
Remove 'level' argument of normal().
[ginac.git] / ginac / color.cpp
index 0f7723e359d92f5dad7af8d14bf7f2f0406b7185..7081998d05d14614589e84d0161ebec934f685af 100644 (file)
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's color (SU(3) Lie algebra) objects. */
 
 /*
- *  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
@@ -400,9 +400,7 @@ bool su3d::contract_with(exvector::iterator self, exvector::iterator other, exve
                 && ex_to<indexed>(*self).has_dummy_index_for(other[1].op(1))) {
 
                        exvector self_indices = ex_to<indexed>(*self).get_indices();
-                       exvector dummy_indices;
-                       dummy_indices.push_back(other[0].op(1));
-                       dummy_indices.push_back(other[1].op(1));
+                       exvector dummy_indices = {other[0].op(1), other[1].op(1)};
                        int sig;
                        ex a = permute_free_index_to_front(self_indices, dummy_indices, sig);
                        *self = numeric(5, 6);
@@ -453,9 +451,7 @@ bool su3f::contract_with(exvector::iterator self, exvector::iterator other, exve
                 && ex_to<indexed>(*self).has_dummy_index_for(other[1].op(1))) {
 
                        exvector self_indices = ex_to<indexed>(*self).get_indices();
-                       exvector dummy_indices;
-                       dummy_indices.push_back(other[0].op(1));
-                       dummy_indices.push_back(other[1].op(1));
+                       exvector dummy_indices = {other[0].op(1), other[1].op(1)};
                        int sig;
                        ex a = permute_free_index_to_front(self_indices, dummy_indices, sig);
                        *self = numeric(3, 2) * sig * I;