Function NeedToCalcBorders

catboost/libs/data/quantization.cpp:80–94

    static bool NeedToCalcBorders(
        const TFeaturesLayout& featuresLayoutForQuantization,
        const TQuantizedFeaturesInfo& quantizedFeaturesInfo
    ) {
        bool needToCalcBorders = false;
        featuresLayoutForQuantization.IterateOverAvailableFeatures<EFeatureType::Float>(
            [&] (TFloatFeatureIdx floatFeatureIdx) {
                if (!quantizedFeaturesInfo.HasBorders(floatFeatureIdx)) {
                    needToCalcBorders = true;
                }
            }
        );

        return needToCalcBorders;
    }

    struct TSubsetIndexingForBuildBorders {
        // for dense features, already composed with rawDataProvider's Subset, incremental