to a FITS file. Interface for HEALPIX Fortran code write_bintab.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">file</td><td>Filename. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">f</td><td>Input healpix map. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">nside</td><td>Healpix resolution of the output map. </td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>Return val