Method Build

cpp/src/arrow/tensor/csf_converter.cc:213–227

  }

  Result<std::shared_ptr<Tensor>> Build() {
    RETURN_NOT_OK(internal::ComputeRowMajorStrides(value_type_, shape_, &strides_));

    ARROW_ASSIGN_OR_RAISE(values_buffer_,
                          AllocateBuffer(value_elsize_ * tensor_size_, pool_));
    values_ = values_buffer_->mutable_data();
    std::fill_n(values_, value_elsize_ * tensor_size_, 0);

    const int64_t start = 0;
    const int64_t stop = indptr_[0]->size() - 1;
    ExpandValues(0, 0, start, stop);

    return std::make_shared<Tensor>(sparse_tensor_->type(), std::move(values_buffer_),
                                    shape_, strides_, sparse_tensor_->dim_names());
  }

  void ExpandValues(const int64_t dim, const int64_t dim_offset, const int64_t start,
                    const int64_t stop) {