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| <div class="subTitle">org.apache.sysds.runtime.compress.utils</div> |
| <h2 title="Class LinearAlgebraUtils" class="title">Class LinearAlgebraUtils</h2> |
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| <li>org.apache.sysds.runtime.compress.utils.LinearAlgebraUtils</li> |
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| <pre>public class <span class="typeNameLabel">LinearAlgebraUtils</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> |
| <div class="block">This library contains all vector primitives that are used in compressed linear algebra. For primitives that exist in |
| LibMatrixMult, these calls are simply forwarded to ensure consistency in performance and result correctness.</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#LinearAlgebraUtils--">LinearAlgebraUtils</a></span>()</code> </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"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#copyNonZerosToUpperTriangle-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-">copyNonZerosToUpperTriangle</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> ret, |
| <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> tmp, |
| int ix)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#copyUpperToLowerTriangle-org.apache.sysds.runtime.matrix.data.MatrixBlock-">copyUpperToLowerTriangle</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> ret)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#dotProduct-double:A-double:A-int-">dotProduct</a></span>(double[] a, |
| double[] b, |
| int len)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#dotProduct-double:A-double:A-int-int-int-">dotProduct</a></span>(double[] a, |
| double[] b, |
| int ai, |
| int bi, |
| int len)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#getClosestK-int:A-int-">getClosestK</a></span>(int[] a, |
| int x)</code> |
| <div class="block">Obtain the index of the closest element in a to the value x.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectAdd-double:A-double:A-int-int-int-">vectAdd</a></span>(double[] a, |
| double[] c, |
| int ai, |
| int ci, |
| int len)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectAdd-double-double:A-char:A-int-int-int-">vectAdd</a></span>(double aval, |
| double[] c, |
| char[] bix, |
| int bi, |
| int ci, |
| int len)</code> |
| <div class="block">Add aval to a series of indexes in c.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectAdd-double-double:A-int-int-">vectAdd</a></span>(double aval, |
| double[] c, |
| int ci, |
| int len)</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectListAdd-double:A-double:A-byte:A-int-int-">vectListAdd</a></span>(double[] values, |
| double[] c, |
| byte[] bix, |
| int rl, |
| int ru)</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectListAdd-double:A-double:A-byte:A-int-int-int-">vectListAdd</a></span>(double[] values, |
| double[] c, |
| byte[] bix, |
| int rl, |
| int ru, |
| int off)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectListAdd-double:A-double:A-char:A-int-int-">vectListAdd</a></span>(double[] values, |
| double[] c, |
| char[] bix, |
| int rl, |
| int ru)</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectListAdd-double:A-double:A-char:A-int-int-int-">vectListAdd</a></span>(double[] values, |
| double[] c, |
| char[] bix, |
| int rl, |
| int ru, |
| int off)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectListAdd-double:A-double:A-int-int-int:A-int-int-">vectListAdd</a></span>(double[] preAggregatedValues, |
| double[] c, |
| int rl, |
| int ru, |
| int[] outputColumns, |
| int cut, |
| int n)</code> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectListAdd-double:A-double:A-int-int-int-int-int-int-">vectListAdd</a></span>(double[] values, |
| double[] c, |
| int rl, |
| int ru, |
| int cl, |
| int cu, |
| int cut, |
| int valOff)</code> |
| <div class="block">Adds the values list into all rows of c within row and col range.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectMultiplyAdd-double-double:A-double:A-int:A-int-int-int-">vectMultiplyAdd</a></span>(double aval, |
| double[] b, |
| double[] c, |
| int[] bix, |
| int bi, |
| int ci, |
| int len)</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectMultiplyAdd-double-double:A-double:A-int-int-int-">vectMultiplyAdd</a></span>(double aval, |
| double[] b, |
| double[] c, |
| int bi, |
| int ci, |
| int len)</code> </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectSum-double:A-char:A-int-int-int-">vectSum</a></span>(double[] a, |
| char[] bix, |
| int ai, |
| int bi, |
| int len)</code> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/LinearAlgebraUtils.html#vectSum-double:A-int-int-">vectSum</a></span>(double[] a, |
| int ai, |
| int len)</code> </td> |
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| <h4>LinearAlgebraUtils</h4> |
| <pre>public LinearAlgebraUtils()</pre> |
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| <h4>dotProduct</h4> |
| <pre>public static double dotProduct(double[] a, |
| double[] b, |
| int len)</pre> |
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| <h4>dotProduct</h4> |
| <pre>public static double dotProduct(double[] a, |
| double[] b, |
| int ai, |
| int bi, |
| int len)</pre> |
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| <pre>public static void vectMultiplyAdd(double aval, |
| double[] b, |
| double[] c, |
| int bi, |
| int ci, |
| int len)</pre> |
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| <pre>public static void vectMultiplyAdd(double aval, |
| double[] b, |
| double[] c, |
| int[] bix, |
| int bi, |
| int ci, |
| int len)</pre> |
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| <pre>public static void vectAdd(double[] a, |
| double[] c, |
| int ai, |
| int ci, |
| int len)</pre> |
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| <pre>public static void vectAdd(double aval, |
| double[] c, |
| char[] bix, |
| int bi, |
| int ci, |
| int len)</pre> |
| <div class="block">Add aval to a series of indexes in c.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>aval</code> - the value to add</dd> |
| <dd><code>c</code> - The output vector to add on</dd> |
| <dd><code>bix</code> - The indexes. Note that it is char so it only supports adding to a block at a time.</dd> |
| <dd><code>bi</code> - The index to start at inside bix.</dd> |
| <dd><code>ci</code> - An Offset into c, to enable adding values to indexes that are higher than char size.</dd> |
| <dd><code>len</code> - The number of indexes to take.</dd> |
| </dl> |
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| <pre>public static void vectListAdd(double[] values, |
| double[] c, |
| char[] bix, |
| int rl, |
| int ru, |
| int off)</pre> |
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| <pre>public static void vectListAdd(double[] values, |
| double[] c, |
| char[] bix, |
| int rl, |
| int ru)</pre> |
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| <pre>public static void vectListAdd(double[] values, |
| double[] c, |
| byte[] bix, |
| int rl, |
| int ru, |
| int off)</pre> |
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| <pre>public static void vectListAdd(double[] values, |
| double[] c, |
| int rl, |
| int ru, |
| int cl, |
| int cu, |
| int cut, |
| int valOff)</pre> |
| <div class="block">Adds the values list into all rows of c within row and col range.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>values</code> - The values to Add</dd> |
| <dd><code>c</code> - The double array to add into</dd> |
| <dd><code>rl</code> - The row lower index</dd> |
| <dd><code>ru</code> - The row upper index</dd> |
| <dd><code>cl</code> - The column lower index</dd> |
| <dd><code>cu</code> - The column upper index</dd> |
| <dd><code>cut</code> - The total number of columns in c.</dd> |
| <dd><code>valOff</code> - The offset into the values list to start reading from.</dd> |
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| int[] outputColumns, |
| int cut, |
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| <dd><code>a</code> - array of ints</dd> |
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