n> rigidity){</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        this-&gt;rigidity=rigidity;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">this</span>;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    }</div>
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