Method unpack

cpp/src/arrow/util/bpacking_simd_kernel_internal.h:1076–1085

  static constexpr int kValuesUnpacked = WorkingKernel::kValuesUnpacked;

  static const uint8_t* unpack(const uint8_t* in, unpacked_type* out) {
    using working_type = typename WorkingKernel::unpacked_type;

    working_type buffer[kValuesUnpacked] = {};
    in = WorkingKernel::unpack(in, buffer);
    for (int k = 0; k < kValuesUnpacked; ++k) {
      out[k] = static_cast<unpacked_type>(buffer[k]);
    }
    return in;
  }
};

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