or non-unit,
  upper or lower triangular matrix, supplied in packed form.</p>
<h2 id="options">OPTIONS</h2>
<p>UPLO</p>
<div class="codehilite"><pre><span></span><code>       UPLO is CHARACTER*1
        On entry, UPLO specifies whether the matrix is an upper or
        lower triangular matrix as follows:

           UPLO = &#39;U&#39; or &#39;u&#39;   A is an upper triangular matrix.

           UPLO = &#39;L&#39; or &#39;l&#39;   A is a lower triangular matrix.
</code></pre></div>

<p>TRANS</p>
<div class=