8</span>&#160;  std::vector&lt;Ctxt&gt; v; <span class="comment">// A std::vector storing the powers themselves</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;  <a class="code" href="classhelib_1_1_dynamic_ctxt_powers.html">DynamicCtxtPowers</a>(<span class="ke