- added symmetrize() and antisymmetrize() functions

[ginac.git] / ginac / tensor.cpp

diff --git a/ginac/tensor.cpp b/ginac/tensor.cpp
index 23be5b0bed201caf8c465dca33be7bcaa1ef746f..f4e49451d907a70cbb541973984035cf872c6b1e 100644 (file)
--- a/ginac/tensor.cpp
+++ b/ginac/tensor.cpp
@@ -305,7 +305,7 @@ ex tensepsilon::eval_indexed(const basic & i) const
                v.reserve(i.nops() - 1);
                for (unsigned j=1; j<i.nops(); j++)
                        v.push_back(ex_to_numeric(ex_to_idx(i.op(j)).get_value()).to_int());
-               int sign = permutation_sign(v);
+               int sign = permutation_sign(v.begin(), v.end());
 
                // In a Minkowski space, check for covariant indices
                if (minkowski) {