 two-dimensional vector with which the dot product should be computed. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The dot product of this two-dimensional vector with a specified two-dimensional vector. </dd></dl>
<div class="fragment"><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;                                                    {</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;  <span class="keywor