ate the cumulative summation of a numeric vector with
revised `NA` handling compared to `base::cumsum()`.</p>
    </div>

    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">calc_cumsum</span><span class="op">(</span><span class="va">x</span>, na.fill <span class="op">=</span> <span class="cn">FALSE</span><span class="op">)</span></span></code></pre></