':  Perform balancing (scaling);
          = 'N':  Do not perform balancing.

</PRE>
<B>Input/Output Parameters</B>
<PRE>
  N       (input) INTEGER
          The number of state variables, i.e., the order of the
          matrix A.  N &gt;= 0.

  M       (input) INTEGER
          The number of system inputs.  M &gt;= 0.

  P       (input) INTEGER
          The number of system outputs.  P &gt;= 0.

  A       (input) COMPLEX*16 array, dimension (LDA,N)
          The leading N-by-N part of this array must con