> </span><span class="o">=</span><span class="w"> </span><span class="mf">2.0_wp</span><span class="o">*</span><span class="nb">SQRT</span><span class="p">(</span><span class="n">Y1</span><span class="p">(</span><span class="n">i</span><span class="p">)</span><span class="o">*</span><span class="n">Y1</span><span class="p">(</span><span class="n">i</span><span class="p">)</span><span class="o">+</span><span class="n">Y2</span><span class="p">(</span><span class="n">i</span><span class="p">)</span><span clas