pan><span class="o">.</span><span class="w"></span>
</code></pre></div>

<p>DIAG</p>
<div class="codehilite"><pre><span></span><code>       DIAG is CHARACTER*1
        On entry, DIAG specifies whether or not A is unit
        triangular as follows:

           DIAG = &#39;U&#39; or &#39;u&#39;   A is assumed to be unit triangular.

           DIAG = &#39;N&#39; or &#39;n&#39;   A is not assumed to be unit
                               triangular.
</code></pre></div>

<p>N</p>
<div class="codehilite"><pre><