                long&nbsp;clen,
                                             int&nbsp;blen,
                                             long&nbsp;estnnz)
                                      throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a>,
                                             <a href="../DMLRuntimeException.html" title="class in org.apache.sysds.runtime