Function PyDecimal_ISNAN

python/pyarrow/src/arrow/python/decimal.cc:219–224

}

bool PyDecimal_ISNAN(PyObject* obj) {
  ARROW_DCHECK(PyDecimal_Check(obj)) << "obj is not an instance of decimal.Decimal";
  OwnedRef is_nan(
      PyObject_CallMethod(obj, const_cast<char*>("is_nan"), const_cast<char*>("")));
  return PyObject_IsTrue(is_nan.obj()) == 1;
}

DecimalMetadata::DecimalMetadata()
    : DecimalMetadata(std::numeric_limits<int32_t>::min(),