Method SetUp

tests/cpp/test_serialization.cc:302–319

 protected:
  ~SerializationTest() override = default;
  void SetUp() override {
    p_dmat_ = RandomDataGenerator(kRows, kCols, .5f).GenerateDMatrix();

    p_dmat_->Info().labels.Reshape(kRows);
    auto& h_labels = p_dmat_->Info().labels.Data()->HostVector();

    xgboost::SimpleLCG gen(0);
    SimpleRealUniformDistribution<float> dis(0.0f, 1.0f);

    for (auto& v : h_labels) {
      v = dis(&gen);
    }

    for (size_t i = 0; i < kCols; ++i) {
      std::string name = "feat_" + std::to_string(i);
      fmap_.PushBack(i, name.c_str(), "q");
    }
  }
};

size_t constexpr SerializationTest::kRows;