1 files changed, 28 insertions, 0 deletions
diff --git a/tensorflow/core/kernels/transpose_op_functor.h b/tensorflow/core/kernels/transpose_op_functor.h
new file mode 100644
index 0000000000..8cbd1cbb29
--- /dev/null
+++ b/tensorflow/core/kernels/transpose_op_functor.h
@@ -0,0 +1,28 @@
+#ifndef THIRD_PARTY_TENSORFLOW_CORE_KERNELS_TRANSPOSE_OP_FUNCTOR_H_
+#define THIRD_PARTY_TENSORFLOW_CORE_KERNELS_TRANSPOSE_OP_FUNCTOR_H_
+
+#include "third_party/eigen3/unsupported/Eigen/CXX11/Tensor"
+#include "tensorflow/core/framework/tensor_types.h"
+
+namespace tensorflow {
+namespace functor {
+
+template <typename Device, typename T, int NDIMS>
+void Transpose(const Device& d, typename TTypes<T, NDIMS>::Tensor out,
+               typename TTypes<T, NDIMS>::ConstTensor in, const int* perm) {
+  // perm[] is a permutation of 0, 1, ..., NDIMS-1. perm[] is on CPU.
+  Eigen::array<int, NDIMS> p;
+  for (int i = 0; i < NDIMS; ++i) p[i] = perm[i];
+  out.device(d) = in.shuffle(p);
+}
+
+template <typename Device, typename T, int NDIMS>
+struct TransposeFunctor {
+  void operator()(const Device& d, typename TTypes<T, NDIMS>::Tensor out,
+                  typename TTypes<T, NDIMS>::ConstTensor in, const int* perm);
+};
+
+}  // namespace functor
+}  // namespace tensorflow
+
+#endif  // THIRD_PARTY_TENSORFLOW_CORE_KERNELS_TRANSPOSE_OP_FUNCTOR_H_