/src/main/java/net/finmath/montecarlo/automaticdifferentiation/backward/alternative/RandomVariableAAD.java
} if( variableIndex == getParentIDs( ) [0]) {
} else if ( variableIndex == getParentIDs ( ) [1] ) {
resultrandomvariable = Y.div(Z.squared()).mult(-1.0); } break; case ACCRUE: if(variableIndex == getParentIDs()[0]){ resultrandomvariable = Y.mult(Z).add(1.0); <extra_id_0> resultrandomvariable = X.mult(Z); } else { resultrandomvariable = X.mult(Y); } break; case DISCOUNT: