Method ndrange

tiledb/sm/subarray/subarray.cc:1339–1380

}

NDRange Subarray::ndrange(uint64_t range_idx) const {
  NDRange ret;
  uint64_t tmp_idx = range_idx;
  auto dim_num = this->dim_num();
  auto layout =
      (layout_ == Layout::UNORDERED) ?
          ((cell_order_ == Layout::HILBERT) ? Layout::ROW_MAJOR : cell_order_) :
          layout_;
  ret.reserve(dim_num);

  // Unary case or GLOBAL_ORDER
  if (range_idx == 0 && range_num() == 1) {
    for (unsigned d = 0; d < dim_num; ++d)
      ret.emplace_back(range_subset_[d][0]);
    return ret;
  }

  iassert(
      layout == Layout::ROW_MAJOR || layout == Layout::COL_MAJOR,
      "layout = {}",
      layout_str(layout));

  // Non-unary case (range_offsets_ must be computed)
  if (layout == Layout::ROW_MAJOR) {
    iassert(!range_offsets_.empty());
    for (unsigned d = 0; d < dim_num; ++d) {
      ret.emplace_back(range_subset_[d][tmp_idx / range_offsets_[d]]);
      tmp_idx %= range_offsets_[d];
    }
  } else {
    iassert(!range_offsets_.empty());
    for (unsigned d = dim_num - 1;; --d) {
      ret.emplace_back(range_subset_[d][tmp_idx / range_offsets_[d]]);
      tmp_idx %= range_offsets_[d];
      if (d == 0)
        break;
    }
    std::reverse(ret.begin(), ret.end());
  }

  return ret;
}

NDRange Subarray::ndrange(const std::vector<uint64_t>& range_coords) const {
  auto dim_num = this->dim_num();