Function: sum(log(numbers('yxr'), numbers("xxr")) if numbers("xxr") if log(numbers('yxr'), numbers("xxr")) > numbers('yxr') else numbers('rep') > numbers('yxr') if log(numbers('yxr'), numbers("xxr")) > numbers('rep') if numbers('yxr') > log(numbers('yxr'), numbers("xxr")) else numbers("xxr") else numbers("xxr") else numbers('yxr'), numbers('yxr') if log(numbers('yxr'), numbers("xxr")) > log(numbers('yxr'), numbers("xxr")) if numbers('yxr') > numbers('rep') else numbers("xxr") else numbers("xxr"))