Function: minus(numbers('rrr') if gradient[0](minus(numbers('rrr'), numbers('xyy'))) > minus(numbers('rrr'), numbers('xyy')) else invert(gradient[0](minus(numbers('rrr'), numbers('xyy')))), invert(gradient[0](minus(numbers('rrr'), numbers('xyy'))))) if gradient[0](minus(numbers('rrr'), numbers('xyy'))) > invert(gradient[0](minus(numbers('rrr'), numbers('xyy')))) else gradient[0](minus(numbers('rrr'), numbers('xyy'))) if numbers('rrr') > minus(numbers('rrr'), numbers('xyy')) else invert(gradient[0](minus(numbers('rrr'), numbers('xyy'))))