Function: sqrt(minus(minus(numbers("yyy"), numbers('rrr')), numbers("yyy")) if numbers('rrr') > minus(numbers("yyy"), numbers('rrr')) else numbers("yyy")) if minus(minus(numbers("yyy"), numbers('rrr')), numbers("yyy")) > minus(numbers("yyy"), numbers('rrr')) if numbers('rrr') > numbers("yyy") else minus(minus(numbers("yyy"), numbers('rrr')), numbers("yyy")) else minus(numbers("yyy"), numbers('rrr'))