Method BinMapper

python-package/compile/src/io/bin.cpp:22–25

namespace LightGBM {

  BinMapper::BinMapper(): num_bin_(1), is_trivial_(true), bin_type_(BinType::NumericalBin) {
    bin_upper_bound_.clear();
    bin_upper_bound_.push_back(std::numeric_limits<double>::infinity());
  }

  // deep copy function for BinMapper
  BinMapper::BinMapper(const BinMapper& other) {