    |   2  |</span></div>
<div class="line">    u = [0.5d0, -1.5d0, 2.0d0]</div>
<div class="line"> </div>
<div class="line">    <span class="comment">! Compute the rank 1 downdate of A</span></div>
<div class="line">    ad = a</div>
<div class="line">    <span class="keyword">call </span><a class="code" href="interfacelinalg__core_1_1rank1__update.html">rank1_update</a>(-1.0d0, u, u, ad)</div>
<div class="line"> </div>
<div class="line">    <span class="comment">! Compute the Cholesky factorization of the 