ineno">  254</span>&#160;    <span class="comment">// Y offset from origin</span></div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;    <span class="keywordtype">double</span> y(<span class="keywordtype">void</span>) <span class="keyword">const</span>;</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;  <span class="keyword">private</span>:</div><div class="li