ineno">  250</span>&#160;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    <span class="comment">// X offset from origin</span></div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    <span class="keywordtype">double</span> x(<span class="keywordtype">void</span>) <span class="keyword">const</span>;</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;</div><div class="line"><a name="l00254"></a><span class="l