Method operator()

libs/coding/compressed_bit_vector.cpp:22–30

  IntersectOp() {}

  unique_ptr<coding::CompressedBitVector> operator()(coding::DenseCBV const & a, coding::DenseCBV const & b) const
  {
    size_t const sizeA = a.NumBitGroups();
    size_t const sizeB = b.NumBitGroups();
    vector<uint64_t> resGroups(min(sizeA, sizeB));
    for (size_t i = 0; i < resGroups.size(); ++i)
      resGroups[i] = a.GetBitGroup(i) & b.GetBitGroup(i);
    return coding::CompressedBitVectorBuilder::FromBitGroups(std::move(resGroups));
  }

  // The intersection of dense and sparse is always sparse.
  unique_ptr<coding::CompressedBitVector> operator()(coding::DenseCBV const & a, coding::SparseCBV const & b) const