acked storage mode.
          BPAR(3) = .TRUE.  : If BPAR(2) = .FALSE., the matrix
                              returned in array G is stored in upper
                              packed mode, i.e., the upper triangle
                              of a symmetric n-by-n matrix is stored
                              by columns, e.g., the matrix entry
                              G(i,j) is stored in the array entry
                              G(i+j*(j-1)/2) for i &lt;= j.
                              Ot