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<div class="subTitle">org.apache.sysds.runtime.compress.colgroup</div>
<h2 title="Class ColGroupUncompressed" class="title">Class ColGroupUncompressed</h2>
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<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>org.apache.sysds.runtime.compress.colgroup.ColGroupUncompressed</li>
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<pre>public class <span class="typeNameLabel">ColGroupUncompressed</span>
extends <a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></pre>
<div class="block">Column group type for columns that are stored as dense arrays of doubles. Uses a MatrixBlock internally to store the
column contents.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../serialized-form.html#org.apache.sysds.runtime.compress.colgroup.ColGroupUncompressed">Serialized Form</a></dd>
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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>Constructor Summary</h3>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#ColGroupUncompressed-int:A-org.apache.sysds.runtime.matrix.data.MatrixBlock-boolean-">ColGroupUncompressed</a></span>(int[]&nbsp;colIndicesList,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;rawBlock,
boolean&nbsp;transposed)</code>
<div class="block">Main constructor for Uncompressed ColGroup.</div>
</td>
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<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="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/ColGroupUncompressed.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>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#computeMxx-double-org.apache.sysds.runtime.functionobjects.Builtin-">computeMxx</a></span>(double&nbsp;c,
<a href="../../../../../../org/apache/sysds/runtime/functionobjects/Builtin.html" title="class in org.apache.sysds.runtime.functionobjects">Builtin</a>&nbsp;builtin)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#containsValue-double-">containsValue</a></span>(double&nbsp;pattern)</code>&nbsp;</td>
</tr>
<tr id="i3" 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/ColGroupUncompressed.html#copy--">copy</a></span>()</code>&nbsp;</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/ColGroupUncompressed.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="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/ColGroupUncompressed.html#decompressColumnToBlock-double:A-int-int-int-">decompressColumnToBlock</a></span>(double[]&nbsp;target,
int&nbsp;colpos,
int&nbsp;rl,
int&nbsp;ru)</code>
<div class="block">Decompress to dense array.</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/ColGroupUncompressed.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="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/ColGroupUncompressed.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="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/ColGroupUncompressed.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;colIndexTargets)</code>
<div class="block">Decompress the contents of this column group into uncompressed packed columns</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-">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;rl,
int&nbsp;ru,
int&nbsp;offT)</code>
<div class="block">Decompress the contents of this column group into the specified full matrix block.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.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="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.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="i12" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#estimateInMemorySize--">estimateInMemorySize</a></span>()</code>
<div class="block">Note: Must be overridden by child classes to account for additional data and metadata</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.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="i14" class="altColor">
<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/ColGroupUncompressed.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="i15" class="rowColor">
<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/ColGroupUncompressed.html#getCompType--">getCompType</a></span>()</code>
<div class="block">Obtain the compression type.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#getData--">getData</a></span>()</code>
<div class="block">Access for superclass</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#getExactSizeOnDisk--">getExactSizeOnDisk</a></span>()</code>
<div class="block">Returns the exact serialized size of column group.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#getIfCountsType--">getIfCountsType</a></span>()</code>
<div class="block">Returns true if in the getValuesAsBlock method returns values in groups (that needs to be counted) or
individually potentially repeated values</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/ColGroupUncompressed.html#getMax--">getMax</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#getMin--">getMin</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#getNumberNonZeros--">getNumberNonZeros</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#getValues--">getValues</a></span>()</code>
<div class="block">Get all the values in the colGroup.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#getValuesAsBlock--">getValuesAsBlock</a></span>()</code>
<div class="block">Returns the ColGroup as a MatrixBlock.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#getValuesSize--">getValuesSize</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#isLossy--">isLossy</a></span>()</code>
<div class="block">Is Lossy</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#leftMultByMatrix-double:A-double:A-double:A-int-int-int-int-int-">leftMultByMatrix</a></span>(double[]&nbsp;vector,
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="i27" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#leftMultByMatrix-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-">leftMultByMatrix</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;matrix,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;result)</code>&nbsp;</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/ColGroupUncompressed.html#leftMultByRowVector-double:A-double:A-">leftMultByRowVector</a></span>(double[]&nbsp;vector,
double[]&nbsp;c)</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="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/ColGroupUncompressed.html#leftMultByRowVector-double:A-double:A-int-">leftMultByRowVector</a></span>(double[]&nbsp;vector,
double[]&nbsp;result,
int&nbsp;offT)</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="i30" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#leftMultByRowVector-double:A-double:A-int-double:A-">leftMultByRowVector</a></span>(double[]&nbsp;vector,
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="i31" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#leftMultByRowVector-double:A-double:A-int-double:A-int-">leftMultByRowVector</a></span>(double[]&nbsp;vector,
double[]&nbsp;result,
int&nbsp;numVals,
double[]&nbsp;values,
int&nbsp;offT)</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="i32" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#leftMultBySelfDiagonalColGroup-double:A-int-">leftMultBySelfDiagonalColGroup</a></span>(double[]&nbsp;result,
int&nbsp;numColumns)</code>&nbsp;</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.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="i34" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#readFields-java.io.DataInput-">readFields</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)</code>
<div class="block">Deserialize column group from data input.</div>
</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.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="i36" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#rightMultByMatrix-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-">rightMultByMatrix</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;matrix,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;result,
int&nbsp;rl,
int&nbsp;ru)</code>&nbsp;</td>
</tr>
<tr id="i37" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.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="i38" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#rightMultByVector-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-">rightMultByVector</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;vector,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;result,
int&nbsp;rl,
int&nbsp;ru)</code>&nbsp;</td>
</tr>
<tr id="i39" 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/ColGroupUncompressed.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="i40" 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/ColGroupUncompressed.html#sliceColumns-int-int-">sliceColumns</a></span>(int&nbsp;cl,
int&nbsp;cu)</code>
<div class="block">Slice out the columns within the range of cl and cu to remove the dictionary values related to these columns.</div>
</td>
</tr>
<tr id="i41" class="rowColor">
<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/ColGroupUncompressed.html#toString--">toString</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i42" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#unaryAggregateOperations-org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator-double:A-">unaryAggregateOperations</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/operators/AggregateUnaryOperator.html" title="class in org.apache.sysds.runtime.matrix.operators">AggregateUnaryOperator</a>&nbsp;op,
double[]&nbsp;ret)</code>
<div class="block">Unary Aggregate operator, since aggregate operators require new object output, the output becomes an uncompressed
matrix.</div>
</td>
</tr>
<tr id="i43" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#unaryAggregateOperations-org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator-double:A-int-int-">unaryAggregateOperations</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/operators/AggregateUnaryOperator.html" title="class in org.apache.sysds.runtime.matrix.operators">AggregateUnaryOperator</a>&nbsp;op,
double[]&nbsp;result,
int&nbsp;rl,
int&nbsp;ru)</code>
<div class="block">Unary Aggregate operator, since aggregate operators require new object output, the output becomes an uncompressed
matrix.</div>
</td>
</tr>
<tr id="i44" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#unaryAggregateOperations-org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator-org.apache.sysds.runtime.matrix.data.MatrixBlock-">unaryAggregateOperations</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/operators/AggregateUnaryOperator.html" title="class in org.apache.sysds.runtime.matrix.operators">AggregateUnaryOperator</a>&nbsp;op,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret)</code>&nbsp;</td>
</tr>
<tr id="i45" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/ColGroupUncompressed.html#write-java.io.DataOutput-">write</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out)</code>
<div class="block">Serializes column group to data output.</div>
</td>
</tr>
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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/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-">decompressToBlock</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>Constructor Detail</h3>
<a name="ColGroupUncompressed-int:A-org.apache.sysds.runtime.matrix.data.MatrixBlock-boolean-">
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<ul class="blockListLast">
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<h4>ColGroupUncompressed</h4>
<pre>public&nbsp;ColGroupUncompressed(int[]&nbsp;colIndicesList,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;rawBlock,
boolean&nbsp;transposed)</pre>
<div class="block">Main constructor for Uncompressed ColGroup.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>colIndicesList</code> - Indices (relative to the current block) of the columns that this column group represents.</dd>
<dd><code>rawBlock</code> - The uncompressed block; uncompressed data must be present at the time that the constructor
is called</dd>
<dd><code>transposed</code> - Says if the input matrix raw block have been transposed. This should not ever be true since
we still have the original matrixBlock in case of aborting the compression.</dd>
</dl>
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<h3>Method Detail</h3>
<a name="getValuesSize--">
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<h4>getValuesSize</h4>
<pre>public&nbsp;long&nbsp;getValuesSize()</pre>
</li>
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<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>
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<a name="getData--">
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<h4>getData</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;getData()</pre>
<div class="block">Access for superclass</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>direct pointer to the internal representation of the columns</dd>
</dl>
</li>
</ul>
<a name="estimateInMemorySize--">
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<li class="blockList">
<h4>estimateInMemorySize</h4>
<pre>public&nbsp;long&nbsp;estimateInMemorySize()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#estimateInMemorySize--">AColGroup</a></code></span></div>
<div class="block">Note: Must be overridden by child classes to account for additional data and metadata</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#estimateInMemorySize--">estimateInMemorySize</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>an upper bound on the number of bytes used to store this ColGroup in memory.</dd>
</dl>
</li>
</ul>
<a name="decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-">
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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;rl,
int&nbsp;ru,
int&nbsp;offT)</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-int-int-">AColGroup</a></code></span></div>
<div class="block">Decompress the contents of this column group into the specified full matrix block.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#decompressToBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-">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 matrix block where the columns covered by this column group have not yet been filled in.</dd>
<dd><code>rl</code> - The row to start at</dd>
<dd><code>ru</code> - The row to end at</dd>
<dd><code>offT</code> - The rowOffset into target to decompress to.</dd>
</dl>
</li>
</ul>
<a name="decompressToBlockSafe-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-double:A-">
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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>
<a name="decompressToBlockUnSafe-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-int-double:A-">
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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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<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;colIndexTargets)</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>colIndexTargets</code> - array that maps column indices in the original matrix block to columns of target.</dd>
</dl>
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<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>
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<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>
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<pre>public&nbsp;void&nbsp;decompressColumnToBlock(double[]&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-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>target</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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<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>
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<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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<pre>public&nbsp;void&nbsp;rightMultByVector(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;vector,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;result,
int&nbsp;rl,
int&nbsp;ru)</pre>
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<pre>public&nbsp;void&nbsp;rightMultByMatrix(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;matrix,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;result,
int&nbsp;rl,
int&nbsp;ru)</pre>
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<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>
</dl>
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<pre>public&nbsp;void&nbsp;leftMultByRowVector(double[]&nbsp;vector,
double[]&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#leftMultByRowVector-double:A-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">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#leftMultByRowVector-double:A-double:A-">leftMultByRowVector</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>vector</code> - row vector</dd>
<dd><code>c</code> - matrix block result</dd>
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<pre>public&nbsp;void&nbsp;leftMultByRowVector(double[]&nbsp;vector,
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">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.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/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>vector</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>
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<pre>public&nbsp;void&nbsp;leftMultByMatrix(double[]&nbsp;vector,
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>vector</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>computeMxx</h4>
<pre>public&nbsp;double&nbsp;computeMxx(double&nbsp;c,
<a href="../../../../../../org/apache/sysds/runtime/functionobjects/Builtin.html" title="class in org.apache.sysds.runtime.functionobjects">Builtin</a>&nbsp;builtin)</pre>
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<h4>leftMultByMatrix</h4>
<pre>public&nbsp;void&nbsp;leftMultByMatrix(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;matrix,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;result)</pre>
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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>
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<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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<pre>public&nbsp;void&nbsp;unaryAggregateOperations(<a href="../../../../../../org/apache/sysds/runtime/matrix/operators/AggregateUnaryOperator.html" title="class in org.apache.sysds.runtime.matrix.operators">AggregateUnaryOperator</a>&nbsp;op,
double[]&nbsp;ret)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#unaryAggregateOperations-org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator-double:A-">AColGroup</a></code></span></div>
<div class="block">Unary Aggregate operator, since aggregate operators require new object output, the output becomes an uncompressed
matrix.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#unaryAggregateOperations-org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator-double:A-">unaryAggregateOperations</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 operator used</dd>
<dd><code>ret</code> - Rhe output matrix block.</dd>
</dl>
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</ul>
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<h4>unaryAggregateOperations</h4>
<pre>public&nbsp;void&nbsp;unaryAggregateOperations(<a href="../../../../../../org/apache/sysds/runtime/matrix/operators/AggregateUnaryOperator.html" title="class in org.apache.sysds.runtime.matrix.operators">AggregateUnaryOperator</a>&nbsp;op,
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<pre>public&nbsp;void&nbsp;unaryAggregateOperations(<a href="../../../../../../org/apache/sysds/runtime/matrix/operators/AggregateUnaryOperator.html" title="class in org.apache.sysds.runtime.matrix.operators">AggregateUnaryOperator</a>&nbsp;op,
double[]&nbsp;result,
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#unaryAggregateOperations-org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator-double:A-int-int-">AColGroup</a></code></span></div>
<div class="block">Unary Aggregate operator, since aggregate operators require new object output, the output becomes an uncompressed
matrix.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#unaryAggregateOperations-org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator-double:A-int-int-">unaryAggregateOperations</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 operator used</dd>
<dd><code>result</code> - The output matrix block.</dd>
<dd><code>rl</code> - The Starting Row to do aggregation from</dd>
<dd><code>ru</code> - The last Row to do aggregation to (not included)</dd>
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<h4>readFields</h4>
<pre>public&nbsp;void&nbsp;readFields(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#readFields-java.io.DataInput-">AColGroup</a></code></span></div>
<div class="block">Deserialize column group from data input.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#readFields-java.io.DataInput-">readFields</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>in</code> - data input</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if IOException occurs</dd>
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<pre>public&nbsp;void&nbsp;write(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#write-java.io.DataOutput-">AColGroup</a></code></span></div>
<div class="block">Serializes column group to data output.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#write-java.io.DataOutput-">write</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>out</code> - data output</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if IOException occurs</dd>
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<pre>public&nbsp;long&nbsp;getExactSizeOnDisk()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getExactSizeOnDisk--">AColGroup</a></code></span></div>
<div class="block">Returns the exact serialized size of column group. This can be used for example for buffer preallocation.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getExactSizeOnDisk--">getExactSizeOnDisk</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>exact serialized size for column group</dd>
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<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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<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/AColGroup.html#toString--">toString</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>getValuesAsBlock</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;getValuesAsBlock()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getValuesAsBlock--">AColGroup</a></code></span></div>
<div class="block">Returns the ColGroup as a MatrixBlock. Used as a fall back solution in case a operation is not supported. Use in
connection to getIfCountsType to get if the values are repeated.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getValuesAsBlock--">getValuesAsBlock</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>Matrix Block of the contained Values. Possibly contained in groups.</dd>
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<a name="getIfCountsType--">
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<pre>public&nbsp;boolean&nbsp;getIfCountsType()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getIfCountsType--">AColGroup</a></code></span></div>
<div class="block">Returns true if in the getValuesAsBlock method returns values in groups (that needs to be counted) or
individually potentially repeated values</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getIfCountsType--">getIfCountsType</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>boolean</dd>
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<pre>public&nbsp;double[]&nbsp;getValues()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getValues--">AColGroup</a></code></span></div>
<div class="block">Get all the values in the colGroup. Note that this is only the stored values not the way they are stored. Making
the output a list of values used in that colGroup not the actual full column.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getValues--">getValues</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>a double list of values.</dd>
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<h4>isLossy</h4>
<pre>public&nbsp;boolean&nbsp;isLossy()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#isLossy--">AColGroup</a></code></span></div>
<div class="block">Is Lossy</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#isLossy--">isLossy</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>returns if the ColGroup is compressed in a lossy manner.</dd>
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<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;sliceColumns(int&nbsp;cl,
int&nbsp;cu)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#sliceColumns-int-int-">AColGroup</a></code></span></div>
<div class="block">Slice out the columns within the range of cl and cu to remove the dictionary values related to these columns. If
the ColGroup slicing from does not contain any columns within the range null is returned.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#sliceColumns-int-int-">sliceColumns</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>cl</code> - The lower bound of the columns to select</dd>
<dd><code>cu</code> - The upper bound of the columns to select (not inclusive).</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A cloned Column Group, with a copied pointer to the old column groups index structure, but reduced
dictionary and _columnIndexes correctly aligned with the expected sliced compressed matrix.</dd>
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<pre>public&nbsp;double&nbsp;getMin()</pre>
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<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getMin--">getMin</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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<pre>public&nbsp;double&nbsp;getMax()</pre>
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<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getMax--">getMax</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>leftMultByRowVector</h4>
<pre>public&nbsp;void&nbsp;leftMultByRowVector(double[]&nbsp;vector,
double[]&nbsp;result,
int&nbsp;offT)</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-">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">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#leftMultByRowVector-double:A-double:A-int-">leftMultByRowVector</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>vector</code> - row vector</dd>
<dd><code>result</code> - matrix block result</dd>
<dd><code>offT</code> - The offset into target result array to put the result values.</dd>
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<pre>public&nbsp;void&nbsp;leftMultByRowVector(double[]&nbsp;vector,
double[]&nbsp;result,
int&nbsp;numVals,
double[]&nbsp;values,
int&nbsp;offT)</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-int-">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">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#leftMultByRowVector-double:A-double:A-int-double:A-int-">leftMultByRowVector</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>vector</code> - Row vector</dd>
<dd><code>result</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>
<dd><code>offT</code> - The offset into target result array to put the result values.</dd>
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<pre>public&nbsp;void&nbsp;leftMultBySelfDiagonalColGroup(double[]&nbsp;result,
int&nbsp;numColumns)</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#leftMultBySelfDiagonalColGroup-double:A-int-">leftMultBySelfDiagonalColGroup</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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<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;copy()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#copy--">copy</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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<pre>public&nbsp;boolean&nbsp;containsValue(double&nbsp;pattern)</pre>
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<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#containsValue-double-">containsValue</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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<pre>public&nbsp;long&nbsp;getNumberNonZeros()</pre>
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<dd><code><a href="../../../../../../org/apache/sysds/runtime/compress/colgroup/AColGroup.html#getNumberNonZeros--">getNumberNonZeros</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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