xaa.h: In member function `AFF_index& AFF_noise::operator()(const AFF_index&)':
xaa.h:43: error: invalid initialization of non-const reference of type 'AFF_index&' from a temporary of type 'boost::numeric::ublas:
:sparse_vector_element<boost::numeric::ublas::mapped_vector<AFF_index, boost::numeric::ublas::map_std<size_t, AFF_index, std::alloca
tor<std::pair<const size_t, AFF_index> > > > >'
xaa.h: In member function `AFF_index& AFF_noise::operator[](const AFF_index&)':
xaa.h:48: error: invalid initialization of non-const reference of type 'AFF_index&' from a temporary of type 'boost::numeric::ublas:
:sparse_vector_element<boost::numeric::ublas::mapped_vector<AFF_index, boost::numeric::ublas::map_std<size_t, AFF_index, std::alloca
tor<std::pair<const size_t, AFF_index> > > > >'