Function TestSoftmaxMultiClassBasic

tests/cpp/objective/test_multiclass_obj.cc:37–55

}

void TestSoftmaxMultiClassBasic(const Context* ctx) {
  std::vector<std::pair<std::string, std::string>> args{
      std::pair<std::string, std::string>("num_class", "3")};

  std::unique_ptr<ObjFunction> obj{ObjFunction::Create("multi:softmax", ctx)};
  obj->Configure(args);
  CheckConfigReload(obj, "multi:softmax");

  HostDeviceVector<bst_float>  io_preds = {2.0f, 0.0f, 1.0f,
                                           1.0f, 0.0f, 2.0f};
  std::vector<bst_float> out_preds = {0.0f, 2.0f};
  obj->PredTransform(&io_preds);

  auto& preds = io_preds.HostVector();

  for (int i = 0; i < static_cast<int>(io_preds.Size()); ++i) {
    EXPECT_NEAR(preds[i], out_preds[i], 0.01f);
  }
}

void TestSoftprobMultiClassBasic(const Context* ctx) {
  std::vector<std::pair<std::string, std::string>> args {