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typedef std::ptrdiff_t&nbsp;</td><td class="memItemRight" valign="bottom"><b>difference_type</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a538819d6060f441f1bfc8b6ffc79da91"></a><!-- doxytag: member="boost::numeric::ublas::scalar_matrix::value_type" re