Method AddTreeSize

catboost/libs/model/model.cpp:258–266

    CastToSolidTree(*this)->TreeSplits.push_back(treeSplit);
}
void TModelTrees::AddTreeSize(int treeSize) {
    auto& data = *CastToSolidTree(*this);
    if (data.TreeStartOffsets.empty()) {
        data.TreeStartOffsets.push_back(0);
    } else {
        data.TreeStartOffsets.push_back(data.TreeStartOffsets.back() + data.TreeSizes.back());
    }
    data.TreeSizes.push_back(treeSize);
}

void TModelTrees::AddLeafValue(double leafValue) {
    CastToSolidTree(*this)->LeafValues.push_back(leafValue);