Function CopyFrom

tensorflow/core/kernels/einsum_op.cc:302–307

Returns a reshaped input Tensor. The underlying buffer is not copied.

// Returns a reshaped input Tensor. The underlying buffer is not copied.
Status CopyFrom(const Tensor& input, const TensorShape& shape, Tensor* output) {
  if (output->CopyFrom(input, shape)) return Status::OK();
  return errors::Internal(
      "Encountered error while reshaping a Tensor of shape ",
      input.shape().DebugString(), " to shape ", shape.DebugString());
}

// Returns whether transposing would be a no-op; whether input has rank < 2 or
// the permutation is the identity permutation.