  38</span>    <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; 2 * i &lt; n; ++i) {</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>      w_[i] = w;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>      F.mul(w, omega_n);</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span>    }</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lin