de &lt;fftw3.h&gt;
</pre>
   <p>You must also link to the FFTW library.  On Unix, this
means adding <code>-lfftw3 -lm</code> at the <em>end</em> of the link command.

<ul class="menu">
<li><a accesskey="1" href="Complex-numbers.html#Complex-numbers">Complex numbers</a>
<li><a accesskey="2" href="Precision.html#Precision">Precision</a>
<li><a accesskey="3" href="Memory-Allocation.html#Memory-Allocation">Memory Allocation</a>
</ul>

<!-- =========> -->
   </body></html>

