Function BuildBinarizedTarget

catboost/cuda/gpu_data/dataset_helpers.cpp:137–151

namespace NCatboostCuda {
    TMirrorBuffer<ui8> BuildBinarizedTarget(const TBinarizedFeaturesManager& featuresManager, const TVector<float>& targets) {
        TVector<ui8> binarizedTarget;
        if (featuresManager.HasTargetBinarization()) {
            auto& borders = featuresManager.GetTargetBorders();
            binarizedTarget = NCB::BinarizeLine<ui8>(targets,
                                                     ENanMode::Forbidden,
                                                     borders);
        } else {
            binarizedTarget.resize(targets.size(), 0);
        }

        TMirrorBuffer<ui8> binarizedTargetGpu = TMirrorBuffer<ui8>::Create(NCudaLib::TMirrorMapping(binarizedTarget.size()));
        binarizedTargetGpu.Write(binarizedTarget);
        return binarizedTargetGpu;
    }

    void SplitByPermutationDependence(const TBinarizedFeaturesManager& featuresManager, const TVector<ui32>& features,
                                      const ui32 permutationCount, TVector<ui32>* permutationIndependent,