/div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;<span class="preprocessor">#define FFTW_WISDOM_ONLY (1U &lt;&lt; 21)</span></div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;<span class="comment">/* undocumented beyond-guru flags */</span></div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;<span class="preprocessor">#define FF