mod2sparse_last_in_col  375 dec.c              for (e = mod2sparse_last_in_col(H,j);
mod2sparse_last_in_col  408 mod2sparse.c     ce = mod2sparse_last_in_col(m,col);
mod2sparse_last_in_col  500 mod2sparse.c     ce = mod2sparse_last_in_col(m,col);
mod2sparse_last_in_col 1315 mod2sparse.c       e = mod2sparse_last_in_col(U,ii);