Function random_null_bytes

cpp/src/arrow/testing/util.cc:59–65

}

void random_null_bytes(int64_t n, double pct_null, uint8_t* null_bytes) {
  const int random_seed = 0;
  pcg32_fast gen(random_seed);
  ::arrow::random::uniform_real_distribution<double> d(0.0, 1.0);
  std::generate(null_bytes, null_bytes + n,
                [&d, &gen, &pct_null] { return d(gen) > pct_null; });
}

void random_is_valid(int64_t n, double pct_null, std::vector<bool>* is_valid,
                     int random_seed) {