span>
<span class="c">!     .. Parameters ..</span>
<span class="w">      </span><span class="kt">real</span><span class="p">,</span><span class="k">parameter</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">zero</span><span class="o">=</span><span class="mf">0.0e+0</span><span class="w"></span>
<span class="c">!     ..</span>
<span class="c">!     .. Local Scalars ..</span>
<span class="w">      </span><span class="kt">real </span><span class="n">temp</span><s