::ptrdiff_t&gt; iround(point&lt;double&gt; <span class="keyword">const</span>&amp; p)</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;{</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    <span class="keywordflow">return</span> { iround(p.x), iround(p.y) };</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;}</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;</div>
<div 