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| <div class="subTitle">org.apache.openejb.math.stat.descriptive.summary</div> |
| <h2 title="Class SumOfSquares" class="title">Class SumOfSquares</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractUnivariateStatistic.html" title="class in org.apache.openejb.math.stat.descriptive">org.apache.openejb.math.stat.descriptive.AbstractUnivariateStatistic</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html" title="class in org.apache.openejb.math.stat.descriptive">org.apache.openejb.math.stat.descriptive.AbstractStorelessUnivariateStatistic</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.openejb.math.stat.descriptive.summary.SumOfSquares</li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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| <div class="description"> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd>java.io.Serializable, <a href="../../../../../../../org/apache/openejb/math/stat/descriptive/StorelessUnivariateStatistic.html" title="interface in org.apache.openejb.math.stat.descriptive">StorelessUnivariateStatistic</a>, <a href="../../../../../../../org/apache/openejb/math/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.openejb.math.stat.descriptive">UnivariateStatistic</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">SumOfSquares</span> |
| extends <a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html" title="class in org.apache.openejb.math.stat.descriptive">AbstractStorelessUnivariateStatistic</a> |
| implements java.io.Serializable</pre> |
| <div class="block">Returns the sum of the squares of the available values. |
| <p> |
| If there are no values in the dataset, or any of the values are |
| <code>NaN</code>, then <code>NaN</code> is returned.</p> |
| <p> |
| <strong>Note that this implementation is not synchronized.</strong> If |
| multiple threads access an instance of this class concurrently, and at least |
| one of the threads invokes the <code>increment()</code> or |
| <code>clear()</code> method, it must be synchronized externally.</p></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../../serialized-form.html#org.apache.openejb.math.stat.descriptive.summary.SumOfSquares">Serialized Form</a></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html#SumOfSquares--">SumOfSquares</a></span>()</code> |
| <div class="block">Create a SumOfSquares instance</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html#SumOfSquares-org.apache.openejb.math.stat.descriptive.summary.SumOfSquares-">SumOfSquares</a></span>(<a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html" title="class in org.apache.openejb.math.stat.descriptive.summary">SumOfSquares</a> original)</code> |
| <div class="block">Copy constructor, creates a new <code>SumOfSquares</code> identical |
| to the <code>original</code></div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance 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> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html#clear--">clear</a></span>()</code> |
| <div class="block">Clears the internal state of the Statistic</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html" title="class in org.apache.openejb.math.stat.descriptive.summary">SumOfSquares</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html#copy--">copy</a></span>()</code> |
| <div class="block">Returns a copy of the statistic with the same internal state.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html#copy-org.apache.openejb.math.stat.descriptive.summary.SumOfSquares-org.apache.openejb.math.stat.descriptive.summary.SumOfSquares-">copy</a></span>(<a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html" title="class in org.apache.openejb.math.stat.descriptive.summary">SumOfSquares</a> source, |
| <a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html" title="class in org.apache.openejb.math.stat.descriptive.summary">SumOfSquares</a> dest)</code> |
| <div class="block">Copies source to dest.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html#evaluate-double:A-int-int-">evaluate</a></span>(double[] values, |
| int begin, |
| int length)</code> |
| <div class="block">Returns the sum of the squares of the entries in the specified portion of |
| the input array, or <code>Double.NaN</code> if the designated subarray |
| is empty.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html#getN--">getN</a></span>()</code> |
| <div class="block">Returns the number of values that have been added.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html#getResult--">getResult</a></span>()</code> |
| <div class="block">Returns the current value of the Statistic.</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/openejb/math/stat/descriptive/summary/SumOfSquares.html#increment-double-">increment</a></span>(double d)</code> |
| <div class="block">Updates the internal state of the statistic to reflect the addition of the new value.</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from class org.apache.openejb.math.stat.descriptive.<a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html" title="class in org.apache.openejb.math.stat.descriptive">AbstractStorelessUnivariateStatistic</a></h3> |
| <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html#equals-java.lang.Object-">equals</a>, <a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html#evaluate-double:A-">evaluate</a>, <a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html#hashCode--">hashCode</a>, <a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html#incrementAll-double:A-">incrementAll</a>, <a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html#incrementAll-double:A-int-int-">incrementAll</a></code></li> |
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| <h3>Methods inherited from class org.apache.openejb.math.stat.descriptive.<a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractUnivariateStatistic.html" title="class in org.apache.openejb.math.stat.descriptive">AbstractUnivariateStatistic</a></h3> |
| <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractUnivariateStatistic.html#test-double:A-double:A-int-int-">test</a>, <a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractUnivariateStatistic.html#test-double:A-int-int-">test</a></code></li> |
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| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
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| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="SumOfSquares--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>SumOfSquares</h4> |
| <pre>public SumOfSquares()</pre> |
| <div class="block">Create a SumOfSquares instance</div> |
| </li> |
| </ul> |
| <a name="SumOfSquares-org.apache.openejb.math.stat.descriptive.summary.SumOfSquares-"> |
| <!-- --> |
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| <h4>SumOfSquares</h4> |
| <pre>public SumOfSquares(<a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html" title="class in org.apache.openejb.math.stat.descriptive.summary">SumOfSquares</a> original)</pre> |
| <div class="block">Copy constructor, creates a new <code>SumOfSquares</code> identical |
| to the <code>original</code></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>original</code> - the <code>SumOfSquares</code> instance to copy</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="increment-double-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>increment</h4> |
| <pre>public void increment(double d)</pre> |
| <div class="block">Updates the internal state of the statistic to reflect the addition of the new value.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/StorelessUnivariateStatistic.html#increment-double-">increment</a></code> in interface <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/StorelessUnivariateStatistic.html" title="interface in org.apache.openejb.math.stat.descriptive">StorelessUnivariateStatistic</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html#increment-double-">increment</a></code> in class <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html" title="class in org.apache.openejb.math.stat.descriptive">AbstractStorelessUnivariateStatistic</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>d</code> - the new value.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getResult--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getResult</h4> |
| <pre>public double getResult()</pre> |
| <div class="block">Returns the current value of the Statistic.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/StorelessUnivariateStatistic.html#getResult--">getResult</a></code> in interface <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/StorelessUnivariateStatistic.html" title="interface in org.apache.openejb.math.stat.descriptive">StorelessUnivariateStatistic</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html#getResult--">getResult</a></code> in class <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html" title="class in org.apache.openejb.math.stat.descriptive">AbstractStorelessUnivariateStatistic</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>value of the statistic, <code>Double.NaN</code> if it |
| has been cleared or just instantiated.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getN--"> |
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| </a> |
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| <h4>getN</h4> |
| <pre>public long getN()</pre> |
| <div class="block">Returns the number of values that have been added.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/StorelessUnivariateStatistic.html#getN--">getN</a></code> in interface <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/StorelessUnivariateStatistic.html" title="interface in org.apache.openejb.math.stat.descriptive">StorelessUnivariateStatistic</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of values.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="clear--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>clear</h4> |
| <pre>public void clear()</pre> |
| <div class="block">Clears the internal state of the Statistic</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/StorelessUnivariateStatistic.html#clear--">clear</a></code> in interface <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/StorelessUnivariateStatistic.html" title="interface in org.apache.openejb.math.stat.descriptive">StorelessUnivariateStatistic</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html#clear--">clear</a></code> in class <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html" title="class in org.apache.openejb.math.stat.descriptive">AbstractStorelessUnivariateStatistic</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="evaluate-double:A-int-int-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>evaluate</h4> |
| <pre>public double evaluate(double[] values, |
| int begin, |
| int length)</pre> |
| <div class="block">Returns the sum of the squares of the entries in the specified portion of |
| the input array, or <code>Double.NaN</code> if the designated subarray |
| is empty. |
| <p> |
| Throws <code>IllegalArgumentException</code> if the array is null.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/UnivariateStatistic.html#evaluate-double:A-int-int-">evaluate</a></code> in interface <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.openejb.math.stat.descriptive">UnivariateStatistic</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html#evaluate-double:A-int-int-">evaluate</a></code> in class <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html" title="class in org.apache.openejb.math.stat.descriptive">AbstractStorelessUnivariateStatistic</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>values</code> - the input array</dd> |
| <dd><code>begin</code> - index of the first array element to include</dd> |
| <dd><code>length</code> - the number of elements to include</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the sum of the squares of the values or Double.NaN if length = 0</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if the array is null or the array index |
| parameters are not valid</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/UnivariateStatistic.html#evaluate-double:A-int-int-"><code>UnivariateStatistic.evaluate(double[], int, int)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="copy--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>copy</h4> |
| <pre>public <a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html" title="class in org.apache.openejb.math.stat.descriptive.summary">SumOfSquares</a> copy()</pre> |
| <div class="block">Returns a copy of the statistic with the same internal state.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/StorelessUnivariateStatistic.html#copy--">copy</a></code> in interface <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/StorelessUnivariateStatistic.html" title="interface in org.apache.openejb.math.stat.descriptive">StorelessUnivariateStatistic</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/UnivariateStatistic.html#copy--">copy</a></code> in interface <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.openejb.math.stat.descriptive">UnivariateStatistic</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html#copy--">copy</a></code> in class <code><a href="../../../../../../../org/apache/openejb/math/stat/descriptive/AbstractStorelessUnivariateStatistic.html" title="class in org.apache.openejb.math.stat.descriptive">AbstractStorelessUnivariateStatistic</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a copy of the statistic</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="copy-org.apache.openejb.math.stat.descriptive.summary.SumOfSquares-org.apache.openejb.math.stat.descriptive.summary.SumOfSquares-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
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| <h4>copy</h4> |
| <pre>public static void copy(<a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html" title="class in org.apache.openejb.math.stat.descriptive.summary">SumOfSquares</a> source, |
| <a href="../../../../../../../org/apache/openejb/math/stat/descriptive/summary/SumOfSquares.html" title="class in org.apache.openejb.math.stat.descriptive.summary">SumOfSquares</a> dest)</pre> |
| <div class="block">Copies source to dest. |
| <p>Neither source nor dest can be null.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>source</code> - SumOfSquares to copy</dd> |
| <dd><code>dest</code> - SumOfSquares to copy to</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.NullPointerException</code> - if either source or dest is null</dd> |
| </dl> |
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