Method divmod

cpp/fory/serialization/compatible_scalar.cc:95–104

  }

  uint32_t divmod(uint32_t divisor) {
    uint64_t rem = 0;
    for (size_t i = limbs.size(); i > 0; --i) {
      uint64_t cur = (rem << 32) | limbs[i - 1];
      limbs[i - 1] = static_cast<uint32_t>(cur / divisor);
      rem = cur % divisor;
    }
    normalize();
    return static_cast<uint32_t>(rem);
  }

  void multiply_pow10(uint32_t count) {
    for (uint32_t i = 0; i < count; ++i) {