ef="ColGroupUtils.P.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupUtils.P</a>[]&nbsp;getSortedSelection&#8203;(<a href="../../data/SparseBlock.html" title="class in org.apache.sysds.runtime.data">SparseBlock</a>&nbsp;sb,
                                            int&nbsp;rl,
                                            int&nbsp;ru)</pre>
<div class="block">Get a list of points locations from the SparseBlock.
 
 This is used to find 1 indexes in a sparse selection matrix.
 
 We a