Method ArrayInterfaceStr

src/data/metainfo.cc:20–40

namespace xgboost {
std::string TypedArrayRef::ArrayInterfaceStr() const {
  return data::DispatchDType(this->dtype, [this](auto dtype) {
    using DType = decltype(dtype);
    auto ptr = static_cast<std::add_pointer_t<std::add_const_t<DType>>>(this->data);
    if (this->ndim == 1) {
      auto vec = linalg::MakeVec(ptr, this->shape.front());
      return linalg::ArrayInterfaceStr(vec);
    } else {
      auto n = this->Size();
      if (ptr) {
        CHECK_GT(n, 0);
      }
      if (n > 0) {
        CHECK(ptr);
      }
      auto mat = linalg::MakeTensorView(DeviceOrd::CPU(), common::Span{ptr, n}, this->shape[0],
                                        this->shape[1]);
      return linalg::ArrayInterfaceStr(mat);
    }
  });
}
}  // namespace xgboost

namespace xgboost::data {