="c1"># Parameters</span>
            <span class="c1"># ----------</span>
            <span class="c1"># p : input int</span>
            <span class="c1"># x11 : input rank-2 array(&#39;F&#39;) with bounds (p,p)</span>
            <span class="c1"># x12 : input rank-2 array(&#39;F&#39;) with bounds (p,p)</span>
            <span class="c1"># x21 : input rank-2 array(&#39;F&#39;) with bounds (p,p)</span>
            <span class="c1"># x22 : input rank-2 array(&#39;F&#39;) with bounds (p,p)</span>
         