long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#countNonZeros()">countNonZeros</a></span>()</code></th>
<td class="colLast">
<div class="block">Compute the number of non-zero values, which potentially 
 makes a full pass over the underlying blocks.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#countNonZeros(int)">countNonZeros</a></span>&