Function: sum(sum(gradient[0](abs(sum(numbers('rep') if numbers('epe') > numbers("yxx") else numbers('ryy'), numbers("yxx")))), abs(sum(numbers('epe') if numbers('ryy') > numbers("yxx") else numbers('rep'), numbers("yxx")))), gradient[0](abs(sum(numbers('rep') if numbers('ryy') > numbers('epe') else numbers("yxx"), numbers("yxx")))))
