EIGEN_STRONG_INLINE QInt32 operator-(const QInt32 a, const QUInt16 b) {
  return QInt32(a.value - static_cast<int32_t>(b.value));
}
EIGEN_STRONG_INLINE QInt32 operator-(const QInt32 a, const QUInt16 b) {
  return QInt32(a.value - static_cast<int32_t>(b.value));
}