s="n">sloper</span><span class="o">/</span><span class="p">(</span><span class="mf">2.0_wp</span><span class="o">*</span><span class="n">pi</span><span class="p">)</span>
<span class="w">         </span><span class="n">fest</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">F</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">slopeh</span>
<span class="w">         </span><span class="k">WRITE</span><span class="w"> </span>