Class Pad

tensorflow/core/kernels/pad_op.h:29–43

// Functor used by PadOp to do the computations.
template <typename Device, typename T, typename Tpadding, int Dims>
struct Pad {
  // Pad "input" into "output", as specified by "paddings" and "pad_value".
  // See pad_op.cc for details.
  void operator()(const Device& d, typename TTypes<T, Dims>::Tensor output,
                  typename TTypes<T, Dims>::ConstTensor input,
                  Eigen::array<Eigen::IndexPair<Tpadding>, Dims> paddings,
                  T pad_value) {
    if (Eigen::internal::is_same<Device, Eigen::GpuDevice>::value &&
        (output.size() <= std::numeric_limits<int32>::max())) {
      To32Bit(output).device(d) = To32Bit(input).pad(paddings, pad_value);
    } else {
      output.device(d) = input.pad(paddings, pad_value);
    }
  }
};

template <typename Device, typename T, typename Tpadding>
struct Pad<Device, T, Tpadding, 0> {