span><span class="kd">::</span><span class="w"> </span><span class="n">i</span><span class="p">,</span><span class="n">ix</span><span class="p">,</span><span class="n">iy</span><span class="w"></span>
<span class="c">!     ..</span>
<span class="c">!     .. External Functions ..</span>
<span class="c">!     ..</span>
<span class="w">      </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">n</span><span class="p">.</span><span class="n">le</span><span class="p">.<