void SwingDetector::checkShuffle()
      {
      if (elements.size() == 2
                  && areAllNonTuplets()
                  && elements[0]->type() == Element::CHORD
                  && (elements[1]->type() == Element::CHORD
                      || elements[1]->type() == Element::REST)
                  && elements[0]->duration().reduced() == Fraction(3, 16)  // dotted 8th
                  && elements[1]->duration().reduced() == Fraction(1, 16))
            {
                        // swing with two 8th notes
                        // or 8th note + 8th rest
            applySwing();
            }
      }
void SwingDetector::checkShuffle()
      {
      if (elements.size() == 2
                  && areAllNonTuplets()
                  && elements[0]->isChord()
                  && (elements[1]->isChord()
                      || elements[1]->isRest())
                  && elements[0]->ticks().reduced() == Fraction(3, 16)  // dotted 8th
                  && elements[1]->ticks().reduced() == Fraction(1, 16))
            {
                        // swing with two 8th notes
                        // or 8th note + 8th rest
            applySwing();
            }
      }