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