Function PermuteLabels

tensorflow/core/kernels/einsum_op.cc:293–299

Permutes the labels according to the given permutation.

// Permutes the labels according to the given permutation.
void PermuteLabels(const std::vector<int>& permutation, Labels* labels) {
  Labels permuted_labels(labels->size());
  for (int i = 0; i < labels->size(); ++i) {
    permuted_labels[i] = (*labels)[permutation[i]];
  }
  labels->swap(permuted_labels);
}

// Returns a reshaped input Tensor. The underlying buffer is not copied.
Status CopyFrom(const Tensor& input, const TensorShape& shape, Tensor* output) {