3 operations (DTRMM, DSYRK and
  their specializations) are used throughout.

</PRE>
<A name="Numerical Aspects"><B><FONT SIZE="+1">Numerical Aspects</FONT></B></A>
<PRE>
  If A is a full matrix, the algorithm requires approximately
   3
  N  operations, if DICO = 'C';
         3
  7/6 x N  operations, if DICO = 'D'.

</PRE>

<A name="Comments"><B><FONT SIZE="+1">Further Comments</FONT></B></A>
<PRE>
  None
</PRE>

<A name="Example"><B><FONT SIZE="+1">Example</FONT></B></A>
<P>
<B>Program Text</B>
<PRE>
  N