@Override
public IComplexNumber update(IComplexNumber accum, double x, double y) {
return accum.add(x >= 0 ? x : -x);
}
@Override
public IComplexNumber update(IComplexNumber accum, IComplexNumber x, IComplexNumber y) {
return accum.add(x.absoluteValue());
}
@Override
public IComplexNumber combineSubResults(IComplexNumber first, IComplexNumber second) {
return first.add(second);
}