 </dd></dl>
<dl class="section user"><dt></dt><dd>In the tables below the real and imaginary values are placed alternatively, hence the array length is <code>2*N</code>. </dd></dl>
<dl class="section user"><dt></dt><dd>cosFactor tables are generated using the formula : <pre>cos_factors[n] = 2 * cos((2n+1)*pi/(4*N))</pre> </dd></dl>
<dl class="section user"><dt></dt><dd>C command to generate the table </dd></dl>
<dl class="section user"><dt></dt><dd><pre> for(i = 0; i&lt; N; i++)
{
   cos_factors[i]= 2 * cos