class="special">,</span> <span class="identifier">Point2</span> <span class="keyword">const</span> <span class="special">&amp;</span> <span class="identifier">p2</span><span class="special">)</span></pre>
<p>
                  </p>
                </td>
<td>
                  <p>
                    applies the distance calculation
                  </p>
                </td>
<td>
                  <p>
                    <span class="bold"><strong>Point1 const &amp;</strong></span>: <span class="emphasis">