 a P-vector, if UPLO = 'F', or an min(i,P)-vector, if
         i
  UPLO = 'U'.  The components of v  are stored in the i-th column
                                  i
  of A, and tau  is stored in TAU(i).
               i

</PRE>
<A name="Numerical Aspects"><B><FONT SIZE="+1">Numerical Aspects</FONT></B></A>
<PRE>
  The algorithm is backward stable.

</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>
