Function: mod(round(numbers("yxx"), numbers('rep')) if numbers('rep') if numbers("yxx") > numbers('yxy') else round(numbers("yxx"), numbers('rep')) > numbers("yxx") else invert(numbers('yxy') if numbers('rep') > round(numbers("yxx"), numbers('rep')) else numbers("yxx")), invert(round(numbers("yxx"), numbers('rep')) if numbers('yxy') > numbers("yxx") else numbers('rep')))