Function randint

cpp/src/arrow/testing/random.h:748–754

template <typename T, typename U>
void randint(int64_t N, T lower, T upper, std::vector<U>* out) {
  const int random_seed = 0;
  std::default_random_engine gen(random_seed);
  std::uniform_int_distribution<T> d(lower, upper);
  out->resize(N, static_cast<T>(0));
  std::generate(out->begin(), out->end(), [&d, &gen] { return static_cast<U>(d(gen)); });
}

template <typename T, typename U>
void random_real(int64_t n, uint32_t seed, T min_value, T max_value,