ass="paramname">fftLen</td><td>length of the FFT. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">ifftFlag</td><td>flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">bitReverseFlag</td><td>flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The function returns ARM_MATH_S