rd">const</span> &amp; m){</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;                <span class="keywordflow">return</span> detail::component_count(m) * detail::component_count(m[0]);</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        }</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;}<span class="comment">//namespace</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"