<span class="p">(</span><span class="nb">kind</span><span class="o">=</span><span class="n">real64</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">e2</span><span class="p">(</span><span class="n">n</span><span class="p">)</span>
<span class="w">      </span><span class="kt">real</span><span class="p">(</span><span class="nb">kind</span><span class="o">=</span><span class="n">real64</span><span class="p">)</span><span class="w"> </span><