gular. GPEAK(1) and
                GPEAK(2) are set to 0. FPEAK(1) and FPEAK(2) are
                set to 0 and 1, respectively;
          = 2:  the descriptor system is improper. GPEAK(1) and
                GPEAK(2) are set to 1 and 0, respectively,
                corresponding to infinity. FPEAK(1) and FPEAK(2) are
                set similarly. This warning can only appear if
                CKPROP = 'C'.

</PRE>
<B>Error Indicator</B>
<PRE>
  INFO    INTEGER
          = 0:  successful exit;
        