to use <code><a href="handleFlags.html">handleFlags()</a></code> or some other means to
deal with flags before calling the present function.</p>
    </div>
    <div class="section level2">
    <h2 id="references">References<a class="anchor" aria-label="anchor" href="#references"></a></h2>

<ol><li><p>R.F. Reiniger and C.K. Ross, 1968.  A method of interpolation with
application to oceanographic data.  <em>Deep Sea Research</em>, <strong>15</strong>,
185-193.</p></li>
<li><p>Oguma, Sachiko, Toru Suzuki, Yuta