an>
<span class="c">!     1) P = 0.0_wp</span>
<span class="c">!     2) PPF = 0</span>
<span class="c">!</span>
<span class="w">            </span><span class="k">IF</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">P</span><span class="o">/=</span><span class="mf">0.0_wp</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">THEN</span>
<span class="k">               </span><span class="n">pf0</span><span class="w"> </span><