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<li>Summary:&nbsp;</li>
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<div class="subTitle">org.apache.sysds.runtime.compress.colgroup</div>
<h2 title="Class ColGroupRLE" class="title">Class ColGroupRLE</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">org.apache.sysds.runtime.compress.colgroup.AColGroup</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">org.apache.sysds.runtime.compress.colgroup.ColGroupValue</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html" title="class in org.apache.sysds.runtime.compress.colgroup">org.apache.sysds.runtime.compress.colgroup.ColGroupOffset</a></li>
<li>
<ul class="inheritance">
<li>org.apache.sysds.runtime.compress.colgroup.ColGroupRLE</li>
</ul>
</li>
</ul>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang">Cloneable</a></dd>
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<pre>public class <span class="typeNameLabel">ColGroupRLE</span>
extends <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupOffset</a></pre>
<div class="block">A group of columns compressed with a single run-length encoded bitmap.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../serialized-form.html#org.apache.sysds.runtime.compress.colgroup.ColGroupRLE">Serialized Form</a></dd>
</dl>
</li>
</ul>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.sysds.runtime.compress.colgroup.<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></h3>
<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.ColGroupType.html" title="enum in org.apache.sysds.runtime.compress.colgroup">AColGroup.ColGroupType</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.CompressionType.html" title="enum in org.apache.sysds.runtime.compress.colgroup">AColGroup.CompressionType</a></code></li>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#binaryRowOp-org.apache.sysds.runtime.matrix.operators.BinaryOperator-double:A-boolean-boolean-">binaryRowOp</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/operators/BinaryOperator.html" title="class in org.apache.sysds.runtime.matrix.operators">BinaryOperator</a>&nbsp;op,
double[]&nbsp;v,
boolean&nbsp;sparseSafe,
boolean&nbsp;left)</code>
<div class="block">Perform a binary row operation.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#computeZeroIndicatorVector--">computeZeroIndicatorVector</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#countNonZerosPerRow-int:A-int-int-">countNonZerosPerRow</a></span>(int[]&nbsp;rnnz,
int&nbsp;rl,
int&nbsp;ru)</code>
<div class="block">Count the number of non-zeros per row</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#decompressColumnToBlock-double:A-int-int-int-">decompressColumnToBlock</a></span>(double[]&nbsp;c,
int&nbsp;colpos,
int&nbsp;rl,
int&nbsp;ru)</code>
<div class="block">Decompress to dense array.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#decompressColumnToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-">decompressColumnToBlock</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;target,
int&nbsp;colpos)</code>
<div class="block">Decompress to block.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#decompressColumnToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-">decompressColumnToBlock</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;target,
int&nbsp;colpos,
int&nbsp;rl,
int&nbsp;ru)</code>
<div class="block">Decompress to block.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int:A-">decompressToBlock</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;target,
int[]&nbsp;colixTargets)</code>
<div class="block">Decompress the contents of this column group into uncompressed packed columns</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#decompressToBlockSafe-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-double:A-">decompressToBlockSafe</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;target,
int&nbsp;rl,
int&nbsp;ru,
int&nbsp;offT,
double[]&nbsp;values)</code>
<div class="block">Decompress the contents of this column group into the specified full matrix block without managing the number of
non zeros.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#decompressToBlockUnSafe-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-double:A-">decompressToBlockUnSafe</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;target,
int&nbsp;rl,
int&nbsp;ru,
int&nbsp;offT,
double[]&nbsp;values)</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static char[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#genRLEBitmap-int:A-int-">genRLEBitmap</a></span>(int[]&nbsp;offsets,
int&nbsp;len)</code>
<div class="block">Encodes the bitmap as a series of run lengths and offsets.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#get-int-int-">get</a></span>(int&nbsp;r,
int&nbsp;c)</code>
<div class="block">Get the value at a global row/column position.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.ColGroupType.html" title="enum in org.apache.sysds.runtime.compress.colgroup">AColGroup.ColGroupType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#getColGroupType--">getColGroupType</a></span>()</code>
<div class="block">Internally get the specific type of ColGroup, this could be extracted from the object but that does not allow for
nice switches in the code.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.CompressionType.html" title="enum in org.apache.sysds.runtime.compress.colgroup">AColGroup.CompressionType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#getCompType--">getCompType</a></span>()</code>
<div class="block">Obtain the compression type.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>int[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#getCounts-int:A-">getCounts</a></span>(int[]&nbsp;counts)</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>int[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#getCounts-int-int-int:A-">getCounts</a></span>(int&nbsp;rl,
int&nbsp;ru,
int[]&nbsp;counts)</code>&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#getIndexStructureHash--">getIndexStructureHash</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#leftMultByMatrix-double:A-double:A-double:A-int-int-int-int-int-">leftMultByMatrix</a></span>(double[]&nbsp;a,
double[]&nbsp;c,
double[]&nbsp;values,
int&nbsp;numRows,
int&nbsp;numCols,
int&nbsp;rl,
int&nbsp;ru,
int&nbsp;vOff)</code>
<div class="block">Multiply with a matrix on the left.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#leftMultByRowVector-double:A-double:A-int-double:A-">leftMultByRowVector</a></span>(double[]&nbsp;a,
double[]&nbsp;c,
int&nbsp;numVals,
double[]&nbsp;values)</code>
<div class="block">Multiply the slice of the matrix that this column group represents by a row vector on the left (the original
column vector is assumed to be transposed already i.e.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#leftMultBySparseMatrix-org.apache.sysds.runtime.data.SparseBlock-double:A-double:A-int-int-int-double:A-">leftMultBySparseMatrix</a></span>(<a href="../../../../../../org/apache/sysds/runtime/data/SparseBlock.html" title="class in org.apache.sysds.runtime.data">SparseBlock</a>&nbsp;sb,
double[]&nbsp;c,
double[]&nbsp;values,
int&nbsp;numRows,
int&nbsp;numCols,
int&nbsp;row,
double[]&nbsp;MaterializedRow)</code>
<div class="block">Multiply with a sparse matrix on the left hand side, and add the values to the output result</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#preAggregate-double:A-int-">preAggregate</a></span>(double[]&nbsp;a,
int&nbsp;row)</code>
<div class="block">Pre aggregates for left multiplication</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/pre/IPreAggregate.html" title="interface in org.apache.sysds.runtime.compress.colgroup.pre">IPreAggregate</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#preAggregateDDC-org.apache.sysds.runtime.compress.colgroup.ColGroupDDC-">preAggregateDDC</a></span>(<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupDDC.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupDDC</a>&nbsp;lhs)</code>&nbsp;</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/pre/IPreAggregate.html" title="interface in org.apache.sysds.runtime.compress.colgroup.pre">IPreAggregate</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#preAggregateOLE-org.apache.sysds.runtime.compress.colgroup.ColGroupOLE-">preAggregateOLE</a></span>(<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOLE.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupOLE</a>&nbsp;lhs)</code>&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/pre/IPreAggregate.html" title="interface in org.apache.sysds.runtime.compress.colgroup.pre">IPreAggregate</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#preAggregateRLE-org.apache.sysds.runtime.compress.colgroup.ColGroupRLE-">preAggregateRLE</a></span>(<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupRLE</a>&nbsp;lhs)</code>&nbsp;</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/pre/IPreAggregate.html" title="interface in org.apache.sysds.runtime.compress.colgroup.pre">IPreAggregate</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#preAggregateSDC-org.apache.sysds.runtime.compress.colgroup.ColGroupSDC-">preAggregateSDC</a></span>(<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupSDC.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupSDC</a>&nbsp;lhs)</code>&nbsp;</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/pre/IPreAggregate.html" title="interface in org.apache.sysds.runtime.compress.colgroup.pre">IPreAggregate</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#preAggregateSDCSingle-org.apache.sysds.runtime.compress.colgroup.ColGroupSDCSingle-">preAggregateSDCSingle</a></span>(<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupSDCSingle.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupSDCSingle</a>&nbsp;lhs)</code>&nbsp;</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/pre/IPreAggregate.html" title="interface in org.apache.sysds.runtime.compress.colgroup.pre">IPreAggregate</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#preAggregateSDCSingleZeros-org.apache.sysds.runtime.compress.colgroup.ColGroupSDCSingleZeros-">preAggregateSDCSingleZeros</a></span>(<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupSDCSingleZeros.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupSDCSingleZeros</a>&nbsp;lhs)</code>&nbsp;</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/pre/IPreAggregate.html" title="interface in org.apache.sysds.runtime.compress.colgroup.pre">IPreAggregate</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#preAggregateSDCZeros-org.apache.sysds.runtime.compress.colgroup.ColGroupSDCZeros-">preAggregateSDCZeros</a></span>(<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupSDCZeros.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupSDCZeros</a>&nbsp;lhs)</code>&nbsp;</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#preAggregateSparse-org.apache.sysds.runtime.data.SparseBlock-int-">preAggregateSparse</a></span>(<a href="../../../../../../org/apache/sysds/runtime/data/SparseBlock.html" title="class in org.apache.sysds.runtime.data">SparseBlock</a>&nbsp;sb,
int&nbsp;row)</code>
<div class="block">Pre aggregate for left multiplication of sparse vector or matrix.</div>
</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#rightMultByMatrix-int:A-double:A-double:A-int-int-int-">rightMultByMatrix</a></span>(int[]&nbsp;outputColumns,
double[]&nbsp;preAggregatedB,
double[]&nbsp;c,
int&nbsp;thatNrColumns,
int&nbsp;rl,
int&nbsp;ru)</code>
<div class="block">Right multiply by matrix.</div>
</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#rightMultByVector-double:A-double:A-int-int-double:A-">rightMultByVector</a></span>(double[]&nbsp;b,
double[]&nbsp;c,
int&nbsp;rl,
int&nbsp;ru,
double[]&nbsp;dictVals)</code>
<div class="block">Multiply the slice of the matrix that this column group represents by a vector on the right.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#sameIndexStructure-org.apache.sysds.runtime.compress.colgroup.ColGroupValue-">sameIndexStructure</a></span>(<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupValue</a>&nbsp;that)</code>&nbsp;</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#scalarOperation-org.apache.sysds.runtime.matrix.operators.ScalarOperator-">scalarOperation</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/operators/ScalarOperator.html" title="class in org.apache.sysds.runtime.matrix.operators">ScalarOperator</a>&nbsp;op)</code>
<div class="block">Perform the specified scalar operation directly on the compressed column group, without decompressing individual
cells if possible.</div>
</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupRLE.html#toString--">toString</a></span>()</code>&nbsp;</td>
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<ul class="blockList">
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<h3>Methods inherited from class&nbsp;org.apache.sysds.runtime.compress.colgroup.<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupOffset</a></h3>
<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html#estimateInMemorySize--">estimateInMemorySize</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html#getBitmapOffsets--">getBitmapOffsets</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html#getBitmaps--">getBitmaps</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html#getExactSizeOnDisk--">getExactSizeOnDisk</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html#hasZeros--">hasZeros</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html#readFields-java.io.DataInput-">readFields</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html#write-java.io.DataOutput-">write</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.sysds.runtime.compress.colgroup.<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupValue</a></h3>
<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#addMinMax-double:A-">addMinMax</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#applyBinaryRowOp-org.apache.sysds.runtime.functionobjects.ValueFunction-double:A-boolean-boolean-">applyBinaryRowOp</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#cleanupThreadLocalMemory--">cleanupThreadLocalMemory</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#containsValue-double-">containsValue</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#copy--">copy</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#copyAndSet-int:A-org.apache.sysds.runtime.compress.colgroup.ADictionary-">copyAndSet</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#copyAndSet-int:A-double:A-">copyAndSet</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-">decompressToBlock</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-">decompressToBlock</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getCachedCounts--">getCachedCounts</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getCounts--">getCounts</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getCounts-int-int-">getCounts</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getDictionary--">getDictionary</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getIfCountsType--">getIfCountsType</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getMax--">getMax</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getMin--">getMin</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getNumberNonZeros--">getNumberNonZeros</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getNumValues--">getNumValues</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getValues--">getValues</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getValuesAsBlock--">getValuesAsBlock</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#isLossy--">isLossy</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#leftMultByAggregatedColGroup-org.apache.sysds.runtime.compress.colgroup.ColGroupValue-double:A-int-int-">leftMultByAggregatedColGroup</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#leftMultByRowVector-double:A-double:A-">leftMultByRowVector</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#leftMultByRowVector-double:A-double:A-int-">leftMultByRowVector</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#leftMultByRowVector-double:A-double:A-int-double:A-int-">leftMultByRowVector</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#leftMultBySelfDiagonalColGroup-double:A-int-">leftMultBySelfDiagonalColGroup</a>, <a 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href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#preCallAggregate-org.apache.sysds.runtime.compress.colgroup.ColGroupValue-">preCallAggregate</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#setupThreadLocalMemory-int-">setupThreadLocalMemory</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#sliceColumns-int-int-">sliceColumns</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#unaryAggregateOperations-org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator-double:A-">unaryAggregateOperations</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#unaryAggregateOperations-org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator-double:A-int-int-">unaryAggregateOperations</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.sysds.runtime.compress.colgroup.<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></h3>
<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressColumnToArray-double:A-int-java.util.List-">decompressColumnToArray</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressColumnToBlock-double:A-int-int-int-java.util.List-">decompressColumnToBlock</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressColumnToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-java.util.List-">decompressColumnToBlock</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressColumnToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-java.util.List-">decompressColumnToBlock</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressColumnToBlockUnSafe-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-java.util.List-">decompressColumnToBlockUnSafe</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-boolean-">decompressToBlock</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-double:A-boolean-">decompressToBlock</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-boolean-">decompressToBlock</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-double:A-">decompressToBlock</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-double:A-boolean-">decompressToBlock</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getColIndex-int-">getColIndex</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getColIndices--">getColIndices</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getNumCols--">getNumCols</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getNumRows--">getNumRows</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#isDense--">isDense</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#shiftColIndices-int-">shiftColIndices</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
</ul>
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<h3>Method Detail</h3>
<a name="getCompType--">
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<h4>getCompType</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.CompressionType.html" title="enum in org.apache.sysds.runtime.compress.colgroup">AColGroup.CompressionType</a>&nbsp;getCompType()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getCompType--">AColGroup</a></code></span></div>
<div class="block">Obtain the compression type.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getCompType--">getCompType</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>How the elements of the column group are compressed.</dd>
</dl>
</li>
</ul>
<a name="getColGroupType--">
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<h4>getColGroupType</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.ColGroupType.html" title="enum in org.apache.sysds.runtime.compress.colgroup">AColGroup.ColGroupType</a>&nbsp;getColGroupType()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getColGroupType--">AColGroup</a></code></span></div>
<div class="block">Internally get the specific type of ColGroup, this could be extracted from the object but that does not allow for
nice switches in the code.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getColGroupType--">getColGroupType</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>ColGroupType of the object.</dd>
</dl>
</li>
</ul>
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<h4>decompressToBlockSafe</h4>
<pre>public&nbsp;void&nbsp;decompressToBlockSafe(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;target,
int&nbsp;rl,
int&nbsp;ru,
int&nbsp;offT,
double[]&nbsp;values)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressToBlockSafe-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-double:A-">AColGroup</a></code></span></div>
<div class="block">Decompress the contents of this column group into the specified full matrix block without managing the number of
non zeros.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressToBlockSafe-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-double:A-">decompressToBlockSafe</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>target</code> - a matrix block where the columns covered by this column group have not yet been filled in.</dd>
<dd><code>rl</code> - row lower</dd>
<dd><code>ru</code> - row upper</dd>
<dd><code>offT</code> - Offset into target to assign from</dd>
<dd><code>values</code> - The Values materialized in the dictionary</dd>
</dl>
</li>
</ul>
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<h4>decompressToBlockUnSafe</h4>
<pre>public&nbsp;void&nbsp;decompressToBlockUnSafe(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;target,
int&nbsp;rl,
int&nbsp;ru,
int&nbsp;offT,
double[]&nbsp;values)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressToBlockUnSafe-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-double:A-">decompressToBlockUnSafe</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
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<h4>decompressToBlock</h4>
<pre>public&nbsp;void&nbsp;decompressToBlock(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;target,
int[]&nbsp;colixTargets)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int:A-">AColGroup</a></code></span></div>
<div class="block">Decompress the contents of this column group into uncompressed packed columns</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int:A-">decompressToBlock</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>target</code> - a dense matrix block. The block must have enough space to hold the contents of this column
group.</dd>
<dd><code>colixTargets</code> - array that maps column indices in the original matrix block to columns of target.</dd>
</dl>
</li>
</ul>
<a name="decompressColumnToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-">
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<h4>decompressColumnToBlock</h4>
<pre>public&nbsp;void&nbsp;decompressColumnToBlock(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;target,
int&nbsp;colpos)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressColumnToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-">AColGroup</a></code></span></div>
<div class="block">Decompress to block.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressColumnToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-">decompressColumnToBlock</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>target</code> - dense output vector</dd>
<dd><code>colpos</code> - column to decompress, error if larger or equal numCols</dd>
</dl>
</li>
</ul>
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<h4>decompressColumnToBlock</h4>
<pre>public&nbsp;void&nbsp;decompressColumnToBlock(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;target,
int&nbsp;colpos,
int&nbsp;rl,
int&nbsp;ru)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressColumnToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-">AColGroup</a></code></span></div>
<div class="block">Decompress to block.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressColumnToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-">decompressColumnToBlock</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>target</code> - dense output vector</dd>
<dd><code>colpos</code> - column to decompress, error if larger or equal numCols</dd>
<dd><code>rl</code> - the Row to start decompression from</dd>
<dd><code>ru</code> - the Row to end decompression at</dd>
</dl>
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<h4>decompressColumnToBlock</h4>
<pre>public&nbsp;void&nbsp;decompressColumnToBlock(double[]&nbsp;c,
int&nbsp;colpos,
int&nbsp;rl,
int&nbsp;ru)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressColumnToBlock-double:A-int-int-int-">AColGroup</a></code></span></div>
<div class="block">Decompress to dense array.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressColumnToBlock-double:A-int-int-int-">decompressColumnToBlock</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>c</code> - dense output vector double array.</dd>
<dd><code>colpos</code> - column to decompress, error if larger or equal numCols</dd>
<dd><code>rl</code> - the Row to start decompression from</dd>
<dd><code>ru</code> - the Row to end decompression at</dd>
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<pre>public&nbsp;int[]&nbsp;getCounts(int[]&nbsp;counts)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getCounts-int:A-">getCounts</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupValue</a></code></dd>
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<pre>public&nbsp;int[]&nbsp;getCounts(int&nbsp;rl,
int&nbsp;ru,
int[]&nbsp;counts)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getCounts-int-int-int:A-">getCounts</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupValue</a></code></dd>
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<h4>rightMultByVector</h4>
<pre>public&nbsp;void&nbsp;rightMultByVector(double[]&nbsp;b,
double[]&nbsp;c,
int&nbsp;rl,
int&nbsp;ru,
double[]&nbsp;dictVals)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#rightMultByVector-double:A-double:A-int-int-double:A-">AColGroup</a></code></span></div>
<div class="block">Multiply the slice of the matrix that this column group represents by a vector on the right.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#rightMultByVector-double:A-double:A-int-int-double:A-">rightMultByVector</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>b</code> - Vector to multiply by (tall vector)</dd>
<dd><code>c</code> - Accumulator for holding the result</dd>
<dd><code>rl</code> - Row to start at</dd>
<dd><code>ru</code> - Row to stop at</dd>
<dd><code>dictVals</code> - The dictionary values materialized</dd>
</dl>
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<h4>rightMultByMatrix</h4>
<pre>public&nbsp;void&nbsp;rightMultByMatrix(int[]&nbsp;outputColumns,
double[]&nbsp;preAggregatedB,
double[]&nbsp;c,
int&nbsp;thatNrColumns,
int&nbsp;rl,
int&nbsp;ru)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#rightMultByMatrix-int:A-double:A-double:A-int-int-int-">AColGroup</a></code></span></div>
<div class="block">Right multiply by matrix. for which the compressed matrix is on the left and the uncompressed is on the right.
Note that there is no b argument, but the b is aggregated into the values needed for assignment and addition into
output.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#rightMultByMatrix-int:A-double:A-double:A-int-int-int-">rightMultByMatrix</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>outputColumns</code> - The Columns that are affected by the right multiplication.</dd>
<dd><code>preAggregatedB</code> - The preAggregated values that is to be put into c</dd>
<dd><code>c</code> - The output matrix</dd>
<dd><code>thatNrColumns</code> - The number of columns in B (before aggregation)</dd>
<dd><code>rl</code> - The row index to start the multiplication from</dd>
<dd><code>ru</code> - The row index to stop the multiplication at</dd>
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<h4>leftMultByRowVector</h4>
<pre>public&nbsp;void&nbsp;leftMultByRowVector(double[]&nbsp;a,
double[]&nbsp;c,
int&nbsp;numVals,
double[]&nbsp;values)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#leftMultByRowVector-double:A-double:A-int-double:A-">AColGroup</a></code></span></div>
<div class="block">Multiply the slice of the matrix that this column group represents by a row vector on the left (the original
column vector is assumed to be transposed already i.e. its size now is 1xn).</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#leftMultByRowVector-double:A-double:A-int-double:A-">leftMultByRowVector</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupValue</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>a</code> - Row vector</dd>
<dd><code>c</code> - Matrix block result</dd>
<dd><code>numVals</code> - The Number of values contained in the Column.</dd>
<dd><code>values</code> - The materialized list of values contained in the dictionary.</dd>
</dl>
</li>
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<pre>public&nbsp;void&nbsp;leftMultByMatrix(double[]&nbsp;a,
double[]&nbsp;c,
double[]&nbsp;values,
int&nbsp;numRows,
int&nbsp;numCols,
int&nbsp;rl,
int&nbsp;ru,
int&nbsp;vOff)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#leftMultByMatrix-double:A-double:A-double:A-int-int-int-int-int-">AColGroup</a></code></span></div>
<div class="block">Multiply with a matrix on the left.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#leftMultByMatrix-double:A-double:A-double:A-int-int-int-int-int-">leftMultByMatrix</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>a</code> - matrix to left multiply</dd>
<dd><code>c</code> - matrix block result</dd>
<dd><code>values</code> - The materialized list of values contained in the dictionary.</dd>
<dd><code>numRows</code> - The number of rows in the matrix input</dd>
<dd><code>numCols</code> - The number of columns in the colGroups parent matrix.</dd>
<dd><code>rl</code> - The row to start the matrix multiplication from</dd>
<dd><code>ru</code> - The row to stop the matrix multiplication at.</dd>
<dd><code>vOff</code> - The offset into the first argument matrix to start at.</dd>
</dl>
</li>
</ul>
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<pre>public&nbsp;void&nbsp;leftMultBySparseMatrix(<a href="../../../../../../org/apache/sysds/runtime/data/SparseBlock.html" title="class in org.apache.sysds.runtime.data">SparseBlock</a>&nbsp;sb,
double[]&nbsp;c,
double[]&nbsp;values,
int&nbsp;numRows,
int&nbsp;numCols,
int&nbsp;row,
double[]&nbsp;MaterializedRow)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#leftMultBySparseMatrix-org.apache.sysds.runtime.data.SparseBlock-double:A-double:A-int-int-int-double:A-">AColGroup</a></code></span></div>
<div class="block">Multiply with a sparse matrix on the left hand side, and add the values to the output result</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#leftMultBySparseMatrix-org.apache.sysds.runtime.data.SparseBlock-double:A-double:A-int-int-int-double:A-">leftMultBySparseMatrix</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sb</code> - The sparse block to multiply with</dd>
<dd><code>c</code> - The linearized output matrix</dd>
<dd><code>values</code> - The dictionary values materialized</dd>
<dd><code>numRows</code> - The number of rows in the left hand side input matrix (the sparse one)</dd>
<dd><code>numCols</code> - The number of columns in the compression.</dd>
<dd><code>row</code> - The row index of the sparse row to multiply with.</dd>
<dd><code>MaterializedRow</code> - A Temporary dense row vector to materialize the sparse values into used for OLE</dd>
</dl>
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<h4>scalarOperation</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a>&nbsp;scalarOperation(<a href="../../../../../../org/apache/sysds/runtime/matrix/operators/ScalarOperator.html" title="class in org.apache.sysds.runtime.matrix.operators">ScalarOperator</a>&nbsp;op)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#scalarOperation-org.apache.sysds.runtime.matrix.operators.ScalarOperator-">AColGroup</a></code></span></div>
<div class="block">Perform the specified scalar operation directly on the compressed column group, without decompressing individual
cells if possible.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#scalarOperation-org.apache.sysds.runtime.matrix.operators.ScalarOperator-">scalarOperation</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>op</code> - operation to perform</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>version of this column group with the operation applied</dd>
</dl>
</li>
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<h4>binaryRowOp</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a>&nbsp;binaryRowOp(<a href="../../../../../../org/apache/sysds/runtime/matrix/operators/BinaryOperator.html" title="class in org.apache.sysds.runtime.matrix.operators">BinaryOperator</a>&nbsp;op,
double[]&nbsp;v,
boolean&nbsp;sparseSafe,
boolean&nbsp;left)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#binaryRowOp-org.apache.sysds.runtime.matrix.operators.BinaryOperator-double:A-boolean-boolean-">AColGroup</a></code></span></div>
<div class="block">Perform a binary row operation.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#binaryRowOp-org.apache.sysds.runtime.matrix.operators.BinaryOperator-double:A-boolean-boolean-">binaryRowOp</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>op</code> - The operation to execute</dd>
<dd><code>v</code> - The vector of values to apply, should be same length as dictionary length.</dd>
<dd><code>sparseSafe</code> - True if the operation return 0 on all instances of values in v -- op(v[?], 0)</dd>
<dd><code>left</code> - Specifies if the operation is executed on the left or right side of the values contained.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A updated column group with the new values.</dd>
</dl>
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<h4>computeZeroIndicatorVector</h4>
<pre>public&nbsp;boolean[]&nbsp;computeZeroIndicatorVector()</pre>
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<h4>countNonZerosPerRow</h4>
<pre>public&nbsp;void&nbsp;countNonZerosPerRow(int[]&nbsp;rnnz,
int&nbsp;rl,
int&nbsp;ru)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#countNonZerosPerRow-int:A-int-int-">AColGroup</a></code></span></div>
<div class="block">Count the number of non-zeros per row</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#countNonZerosPerRow-int:A-int-int-">countNonZerosPerRow</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rnnz</code> - non-zeros per row</dd>
<dd><code>rl</code> - row lower bound, inclusive</dd>
<dd><code>ru</code> - row upper bound, exclusive</dd>
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<h4>get</h4>
<pre>public&nbsp;double&nbsp;get(int&nbsp;r,
int&nbsp;c)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#get-int-int-">AColGroup</a></code></span></div>
<div class="block">Get the value at a global row/column position.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#get-int-int-">get</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>r</code> - row</dd>
<dd><code>c</code> - column</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>value at the row/column position</dd>
</dl>
</li>
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<a name="toString--">
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<h4>toString</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html#toString--">toString</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupOffset.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupOffset</a></code></dd>
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<h4>preAggregate</h4>
<pre>public&nbsp;double[]&nbsp;preAggregate(double[]&nbsp;a,
int&nbsp;row)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#preAggregate-double:A-int-">ColGroupValue</a></code></span></div>
<div class="block">Pre aggregates for left multiplication</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#preAggregate-double:A-int-">preAggregate</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupValue</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>a</code> - The input dense vector or matrix to aggregate</dd>
<dd><code>row</code> - The row index to aggregate</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The pre-aggregated values.</dd>
</dl>
</li>
</ul>
<a name="preAggregateSparse-org.apache.sysds.runtime.data.SparseBlock-int-">
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<h4>preAggregateSparse</h4>
<pre>public&nbsp;double[]&nbsp;preAggregateSparse(<a href="../../../../../../org/apache/sysds/runtime/data/SparseBlock.html" title="class in org.apache.sysds.runtime.data">SparseBlock</a>&nbsp;sb,
int&nbsp;row)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#preAggregateSparse-org.apache.sysds.runtime.data.SparseBlock-int-">ColGroupValue</a></code></span></div>
<div class="block">Pre aggregate for left multiplication of sparse vector or matrix.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#preAggregateSparse-org.apache.sysds.runtime.data.SparseBlock-int-">preAggregateSparse</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupValue</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sb</code> - The input sparse vector or matrix to aggregate</dd>
<dd><code>row</code> - The row index to aggregate</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The pre-aggregated values.</dd>
</dl>
</li>
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<h4>sameIndexStructure</h4>
<pre>public&nbsp;boolean&nbsp;sameIndexStructure(<a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupValue</a>&nbsp;that)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#sameIndexStructure-org.apache.sysds.runtime.compress.colgroup.ColGroupValue-">sameIndexStructure</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupValue</a></code></dd>
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<h4>getIndexStructureHash</h4>
<pre>public&nbsp;int&nbsp;getIndexStructureHash()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html#getIndexStructureHash--">getIndexStructureHash</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupValue.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupValue</a></code></dd>
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<h4>genRLEBitmap</h4>
<pre>public static&nbsp;char[]&nbsp;genRLEBitmap(int[]&nbsp;offsets,
int&nbsp;len)</pre>
<div class="block">Encodes the bitmap as a series of run lengths and offsets.
Note that this method should not be called if the len is 0.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>offsets</code> - uncompressed offset list</dd>
<dd><code>len</code> - logical length of the given offset list</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>compressed version of said bitmap</dd>
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