//! the part's bias vectorf bias(unsigned int mixture = 0) const { const int offset = (*biasid_)[self_][mixture]; return vectorf((*biasw_).begin() + offset, (*biasw_).begin() + offset + nmixtures()); }
//! the part's bias vectorf bias(unsigned int mixture = 0) const { const int offset = (*biasid_)[self_][mixture]; return vectorf(&((*biasw_)[offset]), &((*biasw_)[offset+nmixtures()])); }