n><span class="p">(</span><span class="n">an</span><span class="o">-</span><span class="mf">1.0_wp</span><span class="p">)</span>
<span class="w">         </span><span class="n">xbar2</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">xbar</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">x</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="w">         </span><span class="n">xbar2