ypedef</span> sizeType size_type;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;                <span class="keyword">static</span> <span class="keywordtype">bool</span> is_vector();</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;                <span class="keyword">static</span> <span class="keywordtype">bool</span> is_matrix();</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;                </di