               int&nbsp;cl,
                          int&nbsp;cu)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="DenseBlock.html#countNonZeros(int,int,int,int)">DenseBlock</a></code></span></div>
<div class="block">Compute the number of non-zero values, which potentially 
 makes a full pass over the underlying blocks in the row range.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="DenseBlock.html#cou