Function TryGetObjectiveMetric

catboost/libs/fstr/util.cpp:101–110

}

bool TryGetObjectiveMetric(const TFullModel& model, NCatboostOptions::TLossDescription* lossDescription) {
    if (model.ModelInfo.contains("params")) {
        const auto &params = ReadTJsonValue(model.ModelInfo.at("params"));
        if (params.Has("metrics") && params["metrics"].Has("objective_metric")) {
            lossDescription->Load(params["metrics"]["objective_metric"]);
            return true;
        }
    }
    return TryGetLossDescription(model, lossDescription);
}

bool HasNonZeroApproxForZeroWeightLeaf(const TFullModel& model) {
    for (size_t leafIdx = 0; leafIdx < model.ModelTrees->GetModelTreeData()->GetLeafWeights().size(); ++leafIdx) {