Method UpperTri

inst/include/Rcpp/sugar/matrix/upper_tri.h:34–38

    typedef Rcpp::MatrixBase<RTYPE, NA, T> MatBase;

    UpperTri(const T& lhs, bool diag)
        : nr(lhs.nrow()),
          nc(lhs.ncol()),
          getter(diag ? (&UpperTri::get_diag_true) : (&UpperTri::get_diag_false))
    {}

    inline int operator()(int i, int j) const { return get(i, j); }