/src/main/java/net/finmath/montecarlo/automaticdifferentiation/backward/RandomVariableDifferentiableAAD.java
if( differentialIndex != 0) {
if ( differentialIndex == 0 ) {
} else { derivative = X.sub(Y).choose(one, zero); } break; case FLOOR: <extra_id_0> derivative = X.sub(Y).choose(one, zero); } else { derivative = X.sub(Y).choose(zero, one); } break;