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 <div class="subTitle">org.apache.sysds.runtime.util</div>
 <h2 title="Class UtilFunctions" class="title">Class UtilFunctions</h2>
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 <br>
 <pre>public class <span class="typeNameLabel">UtilFunctions</span>
 extends <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></pre>
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 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Field and Description</th>
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 <tr class="altColor">
 <td class="colFirst"><code>static long</code></td>
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 <td class="colFirst"><code>static int</code></td>
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 <td class="colFirst"><code>static double</code></td>
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 <th class="colOne" scope="col">Constructor and Description</th>
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 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#UtilFunctions--">UtilFunctions</a></span>()</code>&nbsp;</td>
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 <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>static <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/util/UtilFunctions.html#columnStringToCSVString-java.lang.String-java.lang.String-">columnStringToCSVString</a></span>(<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;input,
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 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#compareTo-org.apache.sysds.common.Types.ValueType-java.lang.Object-java.lang.Object-">compareTo</a></span>(<a href="../../../../../org/apache/sysds/common/Types.ValueType.html" title="enum in org.apache.sysds.common">Types.ValueType</a>&nbsp;vt,
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 <td class="colFirst"><code>static int</code></td>
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 <div class="block">Compares two version strings of format x.y.z, where x is major,
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 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeBlockIndex-long-int-">computeBlockIndex</a></span>(long&nbsp;cellIndex,
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 <div class="block">Computes the 1-based block index based on the global cell index and block size meta
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 <tr id="i4" class="altColor">
 <td class="colFirst"><code>static long</code></td>
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                   int&nbsp;blen)</code>
 <div class="block">Calculates the number of the block this index refers to (basically a linearisation).</div>
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 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeBlockSize-long-long-long-">computeBlockSize</a></span>(long&nbsp;len,
                 long&nbsp;blockIndex,
                 long&nbsp;blockSize)</code>
 <div class="block">Computes the actual block size based on matrix dimension, block index, and block size
  meta data.</div>
 </td>
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 <tr id="i6" class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeCellInBlock-long-int-">computeCellInBlock</a></span>(long&nbsp;cellIndex,
                   int&nbsp;blockSize)</code>
 <div class="block">Computes the 0-based cell-in-block index based on the global cell index and block
  size meta data.</div>
 </td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeCellIndex-long-int-int-">computeCellIndex</a></span>(long&nbsp;blockIndex,
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                 int&nbsp;cellInBlock)</code>
 <div class="block">Computes the global 1-based cell index based on the block index, block size meta data,
  and specific 0-based in-block cell index.</div>
 </td>
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 <tr id="i8" class="altColor">
 <td class="colFirst"><code>static long[]</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeNextTensorIndexes-org.apache.sysds.runtime.meta.TensorCharacteristics-long:A-">computeNextTensorIndexes</a></span>(<a href="../../../../../org/apache/sysds/runtime/meta/TensorCharacteristics.html" title="class in org.apache.sysds.runtime.meta">TensorCharacteristics</a>&nbsp;tc,
                         long[]&nbsp;ix)</code>
 <div class="block">Computes the next tensor indexes array.</div>
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 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>static int</code></td>
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 <tr id="i10" class="altColor">
 <td class="colFirst"><code>static int</code></td>
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           int&nbsp;len)</code>&nbsp;</td>
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 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeNnz-float:A-int-int-">computeNnz</a></span>(float[]&nbsp;a,
           int&nbsp;ai,
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 <tr id="i12" class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeNnz-int:A-int-int-">computeNnz</a></span>(int[]&nbsp;a,
           int&nbsp;ai,
           int&nbsp;len)</code>&nbsp;</td>
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 <tr id="i13" class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeNnz-long:A-int-int-">computeNnz</a></span>(long[]&nbsp;a,
           int&nbsp;ai,
           int&nbsp;len)</code>&nbsp;</td>
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 <tr id="i14" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeNnz-org.apache.sysds.runtime.data.SparseBlock-int:A-int-int-">computeNnz</a></span>(<a href="../../../../../org/apache/sysds/runtime/data/SparseBlock.html" title="class in org.apache.sysds.runtime.data">SparseBlock</a>&nbsp;a,
           int[]&nbsp;aix,
           int&nbsp;ai,
           int&nbsp;alen)</code>&nbsp;</td>
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 <tr id="i15" class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeNnz-java.lang.String:A-int-int-">computeNnz</a></span>(<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;a,
           int&nbsp;ai,
           int&nbsp;len)</code>&nbsp;</td>
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 <tr id="i16" class="altColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeSliceInfo-org.apache.sysds.runtime.meta.TensorCharacteristics-long:A-int:A-int:A-">computeSliceInfo</a></span>(<a href="../../../../../org/apache/sysds/runtime/meta/TensorCharacteristics.html" title="class in org.apache.sysds.runtime.meta">TensorCharacteristics</a>&nbsp;tc,
                 long[]&nbsp;blockIx,
                 int[]&nbsp;outDims,
                 int[]&nbsp;offset)</code>
 <div class="block">Computes the slice dimensions and offsets for the block slice of another tensor with the size given by
  <code>TensorCharacteristics</code>.</div>
 </td>
 </tr>
 <tr id="i17" class="rowColor">
 <td class="colFirst"><code>static long[]</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#computeTensorIndexes-org.apache.sysds.runtime.meta.TensorCharacteristics-long-">computeTensorIndexes</a></span>(<a href="../../../../../org/apache/sysds/runtime/meta/TensorCharacteristics.html" title="class in org.apache.sysds.runtime.meta">TensorCharacteristics</a>&nbsp;tc,
                     long&nbsp;blockIndex)</code>
 <div class="block">Computes the tensor indexes array given a blockIndex we ant to compute.</div>
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 <tr id="i18" class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#containsZero-double:A-int-int-">containsZero</a></span>(double[]&nbsp;data,
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 <tr id="i19" class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../org/apache/sysds/common/Types.ValueType.html" title="enum in org.apache.sysds.common">Types.ValueType</a>[]</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#copyOf-org.apache.sysds.common.Types.ValueType:A-org.apache.sysds.common.Types.ValueType:A-">copyOf</a></span>(<a href="../../../../../org/apache/sysds/common/Types.ValueType.html" title="enum in org.apache.sysds.common">Types.ValueType</a>[]&nbsp;schema1,
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 <tr id="i20" class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#countNonZeros-double:A-int-int-">countNonZeros</a></span>(double[]&nbsp;data,
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 <tr id="i21" class="rowColor">
 <td class="colFirst"><code>static <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></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#doubleToObject-org.apache.sysds.common.Types.ValueType-double-">doubleToObject</a></span>(<a href="../../../../../org/apache/sysds/common/Types.ValueType.html" title="enum in org.apache.sysds.common">Types.ValueType</a>&nbsp;vt,
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 <tr id="i22" class="altColor">
 <td class="colFirst"><code>static <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></code></td>
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 <tr id="i23" class="rowColor">
 <td class="colFirst"><code>static <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>
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 <tr id="i24" class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#frequency-org.apache.sysds.common.Types.ValueType:A-org.apache.sysds.common.Types.ValueType-">frequency</a></span>(<a href="../../../../../org/apache/sysds/common/Types.ValueType.html" title="enum in org.apache.sysds.common">Types.ValueType</a>[]&nbsp;schema,
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 <td class="colFirst"><code>static <a href="../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a></code></td>
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 <div class="block">Generates a random FrameBlock with given parameters.</div>
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 <tr id="i26" class="altColor">
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 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/runtime/util/UtilFunctions.html#generateRandomValueFromValueType-org.apache.sysds.common.Types.ValueType-java.util.Random-">generateRandomValueFromValueType</a></span>(<a href="../../../../../org/apache/sysds/common/Types.ValueType.html" title="enum in org.apache.sysds.common">Types.ValueType</a>&nbsp;valueType,
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 <div class="block">Generates a random value for a given Value Type</div>
 </td>
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 <div class="block">Safe double parsing including handling of NAs. Previously, we also
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 <dl>
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 <pre>public static&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;getSplittedStringAsArray(<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;input)</pre>
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 <pre>public static&nbsp;double&nbsp;jaccardSim(<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;x,
                                 <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;y)</pre>
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                                              <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;separator)</pre>
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                                                   int&nbsp;cols,
                                                   <a href="../../../../../org/apache/sysds/common/Types.ValueType.html" title="enum in org.apache.sysds.common">Types.ValueType</a>[]&nbsp;schema,
                                                   <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Random.html?is-external=true" title="class or interface in java.util">Random</a>&nbsp;random)</pre>
 <div class="block">Generates a random FrameBlock with given parameters.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>rows</code> - frame rows</dd>
 <dd><code>cols</code> - frame cols</dd>
 <dd><code>schema</code> - frame schema</dd>
 <dd><code>random</code> - random number generator</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>FrameBlock</dd>
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                                                       <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Random.html?is-external=true" title="class or interface in java.util">Random</a>&nbsp;random)</pre>
 <div class="block">Generates a random value for a given Value Type</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>valueType</code> - the ValueType of which to generate the value</dd>
 <dd><code>random</code> - random number generator</dd>
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 <div class="block">Generates a ValueType array from a String array</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>schemaValues</code> - the string schema of which to generate the ValueType</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>ValueType[]</dd>
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