x sampling.</p>
<dl class="section note"><dt>Note</dt><dd><ul>
<li>p ranges from [0 .. 2*L-2] =&gt; 2*L-1 points in [0,2*pi).</li>
</ul>
</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">p</td><td>Phi index. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">L</td><td>Harmonic band-limit. </td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
  <table class="retval">
    <t