Method DbgDumpQuantizedFeatures

catboost/libs/data/objects.cpp:1279–1322

void NCB::DbgDumpQuantizedFeatures(
    const NCB::TQuantizedObjectsDataProvider& quantizedObjectsDataProvider,
    IOutputStream* out
) {
    const auto& featuresLayout = *quantizedObjectsDataProvider.GetFeaturesLayout();

    NPar::TLocalExecutor localExecutor;

    featuresLayout.IterateOverAvailableFeatures<EFeatureType::Float>(
        [&] (TFloatFeatureIdx floatFeatureIdx) {
            auto feature = quantizedObjectsDataProvider.GetFloatFeature(*floatFeatureIdx);
            if (!feature)
                return;

            (*feature)->ForEachBlock(
                [out, floatFeatureIdx] (size_t blockStartOffset, auto block) {
                    for (auto i : xrange(block.size())) {
                        auto objectIdx = i + blockStartOffset;
                        (*out) << "(floatFeature=" << *floatFeatureIdx << ',' << LabeledOutput(objectIdx)
                            << ").bin=" << ui32(block[i]) << Endl;
                    }
                }
            );
        }
    );

    featuresLayout.IterateOverAvailableFeatures<EFeatureType::Categorical>(
        [&] (TCatFeatureIdx catFeatureIdx) {
            auto feature = quantizedObjectsDataProvider.GetCatFeature(*catFeatureIdx);
            if (!feature)
                return;

            (*feature)->ForEachBlock(
                [out, catFeatureIdx] (size_t blockStartOffset, auto block) {
                    for (auto i : xrange(block.size())) {
                        auto objectIdx = i + blockStartOffset;
                        (*out) << "(catFeature=" << *catFeatureIdx << ',' << LabeledOutput(objectIdx)
                            << ").bin=" << ui32(block[i]) << Endl;
                    }
                }
            );
        }
    );
}


NCB::TExclusiveFeatureBundlesData::TExclusiveFeatureBundlesData(