from [-el' .. el'], where el' = min{el, N}</li>
<li>ind ranges from [0 .. (2*N)(L**2-N(N-1)/3)-1] for compact storage methods and from [0 .. (2*N-1)*L**2-1] for 0-padded storage methods.</li>
</ul>
</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">el</td><td>Harmonic index. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">m</td><td>Azimuthal harmonic index. </td></tr>
    <tr><td class="paramdir">[