code: public static MutableLongTuple negate(
          LongTuple t0, MutableLongTuple result)
      {
          return LongTupleFunctions.apply(
              t0, (a)->(-a), result);
      }
docs: Negates the given tuple, and store the result in the given result tuple.
  
  @param t0 The tuple to negate
  @param result The tuple that will store the result
  @return The result tuple