Class Bindings

gpu.hpp:130–170

 * code.
 */
template <std::size_t N> struct Bindings {
  std::array<Tensor, N> data;
  std::array<size_t, N> viewOffsets;
  std::array<size_t, N> viewSpans;
  Bindings(const std::initializer_list<Tensor> &init) {
    std::copy(begin(init), end(init), begin(data));
    std::fill(begin(viewOffsets), end(viewOffsets), 0);
    for (size_t i = 0; i < N; ++i) {
      viewSpans[i] = data[i].data.size;
    }
  }

  Bindings(const std::array<Tensor, N> &init) {
    std::copy(begin(init), end(init), begin(data));
    std::fill(begin(viewOffsets), end(viewOffsets), 0);
    for (size_t i = 0; i < N; ++i) {
      viewSpans[i] = data[i].data.size;
    }
  }

  Bindings(const std::initializer_list<TensorView> &init) {
    size_t i = 0;
    for (const auto &tv : init) {
      data[i] = tv.data;
      viewOffsets[i] = tv.offset;
      viewSpans[i] = tv.span;
      ++i;
    }
  }

  Bindings(const std::initializer_list<Array> &init) {
    std::copy(begin(init), end(init), begin(data));
    std::fill(begin(viewOffsets), end(viewOffsets), 0);
    for (size_t i = 0; i < N; ++i) {
      viewSpans[i] = data[i].size;
    }
  }

  Tensor &operator[](std::size_t index) { return data[index]; }
  const Tensor &operator[](std::size_t index) const { return data[index]; }
};

/**
 * @brief Deduction guide for Bindings