MNEI(1) contains the row dimension of
                  sE(eps,inf)-A(eps,inf);
          MNEI(2) contains the column dimension of
                  sE(eps,inf)-A(eps,inf);
          MNEI(3) = 0.
          If MODE = 'S', then
          MNEI(1) contains the row    dimension of sE(eps)-A(eps);
          MNEI(2) contains the column dimension of sE(eps)-A(eps);
          MNEI(3) contains the order of the regular pencil
                  sE(inf)-A(inf).

</PRE>
<B>Tolerances</B>
<PRE>
  TOL     DOUBLE PRECISION
