><span class="refentrytitle">Function template sum</span></h2>
<p>boost::histogram::algorithm::sum &#8212; Compute the sum over all histogram cells, including underflow/overflow bins. </p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../histogram/refe