Function FindInBitset

include/LightGBM/utils/common.h:872–879

template<typename T>
inline static bool FindInBitset(const uint32_t* bits, int n, T pos) {
  int i1 = pos / 32;
  if (i1 >= n) {
    return false;
  }
  int i2 = pos % 32;
  return (bits[i1] >> i2) & 1;
}

inline static bool CheckDoubleEqualOrdered(double a, double b) {
  double upper = std::nextafter(a, INFINITY);