 64</span>&#160;<span class="comment">    \param[in] first Iterator pointer to first element.</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">    \param[in] last Iterator pointing to one beyond the end of data.</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment">Some perf