 follows:
          = .FALSE.:  op( Q1 ) = Q1;
          = .TRUE. :  op( Q1 ) = Q1'.

  LTRAN2  LOGICAL
          Specifies the form of op( Q2 ) as follows:
          = .FALSE.:  op( Q2 ) = Q2;
          = .TRUE. :  op( Q2 ) = Q2'.

</PRE>
<B>Input/Output Parameters</B>
<PRE>
  N       (input) INTEGER
          The order of the matrices Q1 and Q2.  N &gt;= 0.

  Q1      (input) COMPLEX*16 array, dimension (LDQ1,N)
          On entry, the leading N-by-N part of this array must
          contain the matrix op