diff options
Diffstat (limited to 'unsupported/Eigen/CXX11/src/Tensor/Tensor.h')
| -rw-r--r-- | unsupported/Eigen/CXX11/src/Tensor/Tensor.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/unsupported/Eigen/CXX11/src/Tensor/Tensor.h b/unsupported/Eigen/CXX11/src/Tensor/Tensor.h index c40905af4..ff3d6513e 100644 --- a/unsupported/Eigen/CXX11/src/Tensor/Tensor.h +++ b/unsupported/Eigen/CXX11/src/Tensor/Tensor.h @@ -92,6 +92,9 @@ struct tensor_index_linearization_helper<Index, NumIndices, 0, RowMajor> return std_array_get<RowMajor ? 0 : NumIndices - 1>(indices); } }; + +/* Forward-declaration required for the symmetry support. */ +template<typename Tensor_, typename Symmetry_, int Flags = 0> class tensor_symmetry_value_setter; } // end namespace internal template<typename Scalar_, std::size_t NumIndices_, int Options_> @@ -283,6 +286,18 @@ class Tensor #endif } + template<typename Symmetry_, typename... IndexTypes> + internal::tensor_symmetry_value_setter<Self, Symmetry_> symCoeff(const Symmetry_& symmetry, Index firstIndex, IndexTypes... otherIndices) + { + return symCoeff(symmetry, std::array<Index, NumIndices>{{firstIndex, otherIndices...}}); + } + + template<typename Symmetry_, typename... IndexTypes> + internal::tensor_symmetry_value_setter<Self, Symmetry_> symCoeff(const Symmetry_& symmetry, std::array<Index, NumIndices> const& indices) + { + return internal::tensor_symmetry_value_setter<Self, Symmetry_>(*this, symmetry, indices); + } + protected: bool checkIndexRange(const std::array<Index, NumIndices>& indices) const { |