ned = false;</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="comment">//      static const bool is_float = false;</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        <span class="comment">//      static const bool is_vector = false;</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        <span class="comment">//      static const bool is_matrix = false;</s