Function: 2 *(minus(numbers("per"), numbers('epe'))) if log(2 *(minus(numbers("per"), numbers('epe'))), minus(numbers("per"), numbers('epe'))) > minus(numbers("per"), numbers('epe')) if numbers("per") > log(2 *(minus(numbers("per"), numbers('epe'))), minus(numbers("per"), numbers('epe'))) else 2 *(minus(numbers("per"), numbers('epe'))) else minus(numbers("per"), numbers('epe'))
