Function: minus(numbers('epe') if numbers('xry') > numbers("xxr") else numbers("yyy"), numbers('xry')) if numbers('xry') if numbers("xxr") > numbers('epe') else numbers("yyy") > numbers('xry') if numbers("yyy") if numbers('xry') > numbers('epe') else numbers("xxr") > numbers("yyy") else minus(numbers("xxr") if numbers('xry') > numbers("yyy") else numbers('epe'), numbers('xry')) else log(minus(numbers("yyy") if numbers('xry') > numbers("xxr") else numbers('epe'), numbers('xry')) if numbers('xry') > numbers("yyy") if numbers("xxr") > numbers('xry') else numbers('epe') else numbers("yyy"), minus(numbers('epe') if numbers('xry') > numbers("xxr") else numbers("yyy"), numbers('xry')))