/src/main/java/net/finmath/montecarlo/automaticdifferentiation/backward/alternative/RandomVariableAAD.java
Y = aadRandomVariables[1].getHistogram( ) ;
Y = aadRandomVariables[1].getRandomVariableInterface ( ) ;
break; default: throw new IllegalArgumentException(); } } else if (randomVariableInterfaces.length == 2){ X = aadRandomVariables[0].getRandomVariableInterface(); <extra_id_0> switch(operator){ case ADD: resultrandomvariable = X.add(Y); break; case SUB: resultrandomvariable = X.sub(Y);