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Posted to commits@commons.apache.org by lu...@apache.org on 2013/04/07 09:52:13 UTC

svn commit: r857590 [16/48] - in /websites/production/commons/content/proper/commons-math/xref-test: ./ org/apache/commons/math3/ org/apache/commons/math3/analysis/ org/apache/commons/math3/analysis/differentiation/ org/apache/commons/math3/analysis/fu...

Modified: websites/production/commons/content/proper/commons-math/xref-test/org/apache/commons/math3/linear/DiagonalMatrixTest.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/xref-test/org/apache/commons/math3/linear/DiagonalMatrixTest.html (original)
+++ websites/production/commons/content/proper/commons-math/xref-test/org/apache/commons/math3/linear/DiagonalMatrixTest.html Sun Apr  7 07:52:05 2013
@@ -26,210 +26,317 @@
 <a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> */</em>
 <a class="jxr_linenumber" name="17" href="#17">17</a>  <strong class="jxr_keyword">package</strong> org.apache.commons.math3.linear;
 <a class="jxr_linenumber" name="18" href="#18">18</a>  
-<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.junit.Test;
-<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.junit.Assert;
-<a class="jxr_linenumber" name="21" href="#21">21</a>  
-<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.MathUnsupportedOperationException;
+<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.math3.TestUtils;
+<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.DimensionMismatchException;
+<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.NullArgumentException;
+<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.NumberIsTooLargeException;
 <a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.OutOfRangeException;
-<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.math3.TestUtils;
-<a class="jxr_linenumber" name="25" href="#25">25</a>  
-<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_javadoccomment"> * Test cases for the {@link DiagonalMatrix} class.</em>
-<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/math3/linear/DiagonalMatrixTest.html">DiagonalMatrixTest</a> {
-<a class="jxr_linenumber" name="30" href="#30">30</a>      @Test
-<a class="jxr_linenumber" name="31" href="#31">31</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testConstructor1() {
-<a class="jxr_linenumber" name="32" href="#32">32</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> dim = 3;
-<a class="jxr_linenumber" name="33" href="#33">33</a>          <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(dim);
-<a class="jxr_linenumber" name="34" href="#34">34</a>          Assert.assertEquals(dim, m.getRowDimension());
-<a class="jxr_linenumber" name="35" href="#35">35</a>          Assert.assertEquals(dim, m.getColumnDimension());
-<a class="jxr_linenumber" name="36" href="#36">36</a>      }
-<a class="jxr_linenumber" name="37" href="#37">37</a>  
-<a class="jxr_linenumber" name="38" href="#38">38</a>      @Test
-<a class="jxr_linenumber" name="39" href="#39">39</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testConstructor2() {
-<a class="jxr_linenumber" name="40" href="#40">40</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] d = { -1.2, 3.4, 5 };
-<a class="jxr_linenumber" name="41" href="#41">41</a>          <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(d);
-<a class="jxr_linenumber" name="42" href="#42">42</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; m.getRowDimension(); i++) {
-<a class="jxr_linenumber" name="43" href="#43">43</a>              <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; m.getRowDimension(); j++) {
-<a class="jxr_linenumber" name="44" href="#44">44</a>                  <strong class="jxr_keyword">if</strong> (i == j) {
-<a class="jxr_linenumber" name="45" href="#45">45</a>                      Assert.assertEquals(d[i], m.getEntry(i, j), 0d);
-<a class="jxr_linenumber" name="46" href="#46">46</a>                  } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="47" href="#47">47</a>                      Assert.assertEquals(0d, m.getEntry(i, j), 0d);
-<a class="jxr_linenumber" name="48" href="#48">48</a>                  }
-<a class="jxr_linenumber" name="49" href="#49">49</a>              }
-<a class="jxr_linenumber" name="50" href="#50">50</a>          }
-<a class="jxr_linenumber" name="51" href="#51">51</a>  
-<a class="jxr_linenumber" name="52" href="#52">52</a>          <em class="jxr_comment">// Check that the underlying was copied.</em>
-<a class="jxr_linenumber" name="53" href="#53">53</a>          d[0] = 0;
-<a class="jxr_linenumber" name="54" href="#54">54</a>          Assert.assertFalse(d[0] == m.getEntry(0, 0));
-<a class="jxr_linenumber" name="55" href="#55">55</a>      }
-<a class="jxr_linenumber" name="56" href="#56">56</a>  
-<a class="jxr_linenumber" name="57" href="#57">57</a>      @Test
-<a class="jxr_linenumber" name="58" href="#58">58</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testConstructor3() {
-<a class="jxr_linenumber" name="59" href="#59">59</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] d = { -1.2, 3.4, 5 };
-<a class="jxr_linenumber" name="60" href="#60">60</a>          <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(d, false);
-<a class="jxr_linenumber" name="61" href="#61">61</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; m.getRowDimension(); i++) {
-<a class="jxr_linenumber" name="62" href="#62">62</a>              <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; m.getRowDimension(); j++) {
-<a class="jxr_linenumber" name="63" href="#63">63</a>                  <strong class="jxr_keyword">if</strong> (i == j) {
-<a class="jxr_linenumber" name="64" href="#64">64</a>                      Assert.assertEquals(d[i], m.getEntry(i, j), 0d);
-<a class="jxr_linenumber" name="65" href="#65">65</a>                  } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="66" href="#66">66</a>                      Assert.assertEquals(0d, m.getEntry(i, j), 0d);
-<a class="jxr_linenumber" name="67" href="#67">67</a>                  }
-<a class="jxr_linenumber" name="68" href="#68">68</a>              }
-<a class="jxr_linenumber" name="69" href="#69">69</a>          }
-<a class="jxr_linenumber" name="70" href="#70">70</a>  
-<a class="jxr_linenumber" name="71" href="#71">71</a>          <em class="jxr_comment">// Check that the underlying is referenced.</em>
-<a class="jxr_linenumber" name="72" href="#72">72</a>          d[0] = 0;
-<a class="jxr_linenumber" name="73" href="#73">73</a>          Assert.assertTrue(d[0] == m.getEntry(0, 0));
-<a class="jxr_linenumber" name="74" href="#74">74</a>  
-<a class="jxr_linenumber" name="75" href="#75">75</a>      }
+<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.math3.util.Precision;
+<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.junit.Assert;
+<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.junit.Test;
+<a class="jxr_linenumber" name="27" href="#27">27</a>  
+<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_javadoccomment"> * Test cases for the {@link DiagonalMatrix} class.</em>
+<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/math3/linear/DiagonalMatrixTest.html">DiagonalMatrixTest</a> {
+<a class="jxr_linenumber" name="32" href="#32">32</a>      @Test
+<a class="jxr_linenumber" name="33" href="#33">33</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testConstructor1() {
+<a class="jxr_linenumber" name="34" href="#34">34</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> dim = 3;
+<a class="jxr_linenumber" name="35" href="#35">35</a>          <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(dim);
+<a class="jxr_linenumber" name="36" href="#36">36</a>          Assert.assertEquals(dim, m.getRowDimension());
+<a class="jxr_linenumber" name="37" href="#37">37</a>          Assert.assertEquals(dim, m.getColumnDimension());
+<a class="jxr_linenumber" name="38" href="#38">38</a>      }
+<a class="jxr_linenumber" name="39" href="#39">39</a>  
+<a class="jxr_linenumber" name="40" href="#40">40</a>      @Test
+<a class="jxr_linenumber" name="41" href="#41">41</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testConstructor2() {
+<a class="jxr_linenumber" name="42" href="#42">42</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] d = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="43" href="#43">43</a>          <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(d);
+<a class="jxr_linenumber" name="44" href="#44">44</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; m.getRowDimension(); i++) {
+<a class="jxr_linenumber" name="45" href="#45">45</a>              <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; m.getRowDimension(); j++) {
+<a class="jxr_linenumber" name="46" href="#46">46</a>                  <strong class="jxr_keyword">if</strong> (i == j) {
+<a class="jxr_linenumber" name="47" href="#47">47</a>                      Assert.assertEquals(d[i], m.getEntry(i, j), 0d);
+<a class="jxr_linenumber" name="48" href="#48">48</a>                  } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="49" href="#49">49</a>                      Assert.assertEquals(0d, m.getEntry(i, j), 0d);
+<a class="jxr_linenumber" name="50" href="#50">50</a>                  }
+<a class="jxr_linenumber" name="51" href="#51">51</a>              }
+<a class="jxr_linenumber" name="52" href="#52">52</a>          }
+<a class="jxr_linenumber" name="53" href="#53">53</a>  
+<a class="jxr_linenumber" name="54" href="#54">54</a>          <em class="jxr_comment">// Check that the underlying was copied.</em>
+<a class="jxr_linenumber" name="55" href="#55">55</a>          d[0] = 0;
+<a class="jxr_linenumber" name="56" href="#56">56</a>          Assert.assertFalse(d[0] == m.getEntry(0, 0));
+<a class="jxr_linenumber" name="57" href="#57">57</a>      }
+<a class="jxr_linenumber" name="58" href="#58">58</a>  
+<a class="jxr_linenumber" name="59" href="#59">59</a>      @Test
+<a class="jxr_linenumber" name="60" href="#60">60</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testConstructor3() {
+<a class="jxr_linenumber" name="61" href="#61">61</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] d = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="62" href="#62">62</a>          <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(d, false);
+<a class="jxr_linenumber" name="63" href="#63">63</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; m.getRowDimension(); i++) {
+<a class="jxr_linenumber" name="64" href="#64">64</a>              <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; m.getRowDimension(); j++) {
+<a class="jxr_linenumber" name="65" href="#65">65</a>                  <strong class="jxr_keyword">if</strong> (i == j) {
+<a class="jxr_linenumber" name="66" href="#66">66</a>                      Assert.assertEquals(d[i], m.getEntry(i, j), 0d);
+<a class="jxr_linenumber" name="67" href="#67">67</a>                  } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="68" href="#68">68</a>                      Assert.assertEquals(0d, m.getEntry(i, j), 0d);
+<a class="jxr_linenumber" name="69" href="#69">69</a>                  }
+<a class="jxr_linenumber" name="70" href="#70">70</a>              }
+<a class="jxr_linenumber" name="71" href="#71">71</a>          }
+<a class="jxr_linenumber" name="72" href="#72">72</a>  
+<a class="jxr_linenumber" name="73" href="#73">73</a>          <em class="jxr_comment">// Check that the underlying is referenced.</em>
+<a class="jxr_linenumber" name="74" href="#74">74</a>          d[0] = 0;
+<a class="jxr_linenumber" name="75" href="#75">75</a>          Assert.assertTrue(d[0] == m.getEntry(0, 0));
 <a class="jxr_linenumber" name="76" href="#76">76</a>  
-<a class="jxr_linenumber" name="77" href="#77">77</a>      @Test
-<a class="jxr_linenumber" name="78" href="#78">78</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testGetData() {
-<a class="jxr_linenumber" name="79" href="#79">79</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
-<a class="jxr_linenumber" name="80" href="#80">80</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> dim = 3;
-<a class="jxr_linenumber" name="81" href="#81">81</a>          <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(dim);
-<a class="jxr_linenumber" name="82" href="#82">82</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; dim; i++) {
-<a class="jxr_linenumber" name="83" href="#83">83</a>              m.setEntry(i, i, data[i]);
-<a class="jxr_linenumber" name="84" href="#84">84</a>          }
+<a class="jxr_linenumber" name="77" href="#77">77</a>      }
+<a class="jxr_linenumber" name="78" href="#78">78</a>  
+<a class="jxr_linenumber" name="79" href="#79">79</a>      @Test(expected=DimensionMismatchException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="80" href="#80">80</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCreateError() {
+<a class="jxr_linenumber" name="81" href="#81">81</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] d = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="82" href="#82">82</a>          <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(d, false);
+<a class="jxr_linenumber" name="83" href="#83">83</a>          m.createMatrix(5, 3);
+<a class="jxr_linenumber" name="84" href="#84">84</a>      }
 <a class="jxr_linenumber" name="85" href="#85">85</a>  
-<a class="jxr_linenumber" name="86" href="#86">86</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[][] out = m.getData();
-<a class="jxr_linenumber" name="87" href="#87">87</a>          Assert.assertEquals(dim, out.length);
-<a class="jxr_linenumber" name="88" href="#88">88</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; m.getRowDimension(); i++) {
-<a class="jxr_linenumber" name="89" href="#89">89</a>              Assert.assertEquals(dim, out[i].length);
-<a class="jxr_linenumber" name="90" href="#90">90</a>              <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; m.getRowDimension(); j++) {
-<a class="jxr_linenumber" name="91" href="#91">91</a>                  <strong class="jxr_keyword">if</strong> (i == j) {
-<a class="jxr_linenumber" name="92" href="#92">92</a>                      Assert.assertEquals(data[i], out[i][j], 0d);
-<a class="jxr_linenumber" name="93" href="#93">93</a>                  } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="94" href="#94">94</a>                      Assert.assertEquals(0d, out[i][j], 0d);
-<a class="jxr_linenumber" name="95" href="#95">95</a>                  }
-<a class="jxr_linenumber" name="96" href="#96">96</a>              }
-<a class="jxr_linenumber" name="97" href="#97">97</a>          }        
-<a class="jxr_linenumber" name="98" href="#98">98</a>      }
-<a class="jxr_linenumber" name="99" href="#99">99</a>  
-<a class="jxr_linenumber" name="100" href="#100">100</a>     @Test
-<a class="jxr_linenumber" name="101" href="#101">101</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAdd() {
-<a class="jxr_linenumber" name="102" href="#102">102</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data1 = { -1.2, 3.4, 5 };
-<a class="jxr_linenumber" name="103" href="#103">103</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m1 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data1);
-<a class="jxr_linenumber" name="104" href="#104">104</a>  
-<a class="jxr_linenumber" name="105" href="#105">105</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data2 = { 10.1, 2.3, 45 };
-<a class="jxr_linenumber" name="106" href="#106">106</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m2 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data2);
-<a class="jxr_linenumber" name="107" href="#107">107</a> 
-<a class="jxr_linenumber" name="108" href="#108">108</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix result = m1.add(m2);
-<a class="jxr_linenumber" name="109" href="#109">109</a>         Assert.assertEquals(m1.getRowDimension(), result.getRowDimension());
-<a class="jxr_linenumber" name="110" href="#110">110</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; result.getRowDimension(); i++) {
-<a class="jxr_linenumber" name="111" href="#111">111</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; result.getRowDimension(); j++) {
-<a class="jxr_linenumber" name="112" href="#112">112</a>                 <strong class="jxr_keyword">if</strong> (i == j) {
-<a class="jxr_linenumber" name="113" href="#113">113</a>                     Assert.assertEquals(data1[i] + data2[i], result.getEntry(i, j), 0d);
-<a class="jxr_linenumber" name="114" href="#114">114</a>                 } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="115" href="#115">115</a>                     Assert.assertEquals(0d, result.getEntry(i, j), 0d);
-<a class="jxr_linenumber" name="116" href="#116">116</a>                 }
-<a class="jxr_linenumber" name="117" href="#117">117</a>             }
-<a class="jxr_linenumber" name="118" href="#118">118</a>         }
-<a class="jxr_linenumber" name="119" href="#119">119</a>     }
-<a class="jxr_linenumber" name="120" href="#120">120</a> 
-<a class="jxr_linenumber" name="121" href="#121">121</a>     @Test
-<a class="jxr_linenumber" name="122" href="#122">122</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAddToEntry() {
-<a class="jxr_linenumber" name="123" href="#123">123</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
-<a class="jxr_linenumber" name="124" href="#124">124</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data);
-<a class="jxr_linenumber" name="125" href="#125">125</a> 
-<a class="jxr_linenumber" name="126" href="#126">126</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; m.getRowDimension(); i++) {
-<a class="jxr_linenumber" name="127" href="#127">127</a>             m.addToEntry(i, i, i);
-<a class="jxr_linenumber" name="128" href="#128">128</a>             Assert.assertEquals(data[i] + i, m.getEntry(i, i), 0d);
-<a class="jxr_linenumber" name="129" href="#129">129</a>         }
-<a class="jxr_linenumber" name="130" href="#130">130</a>     }
-<a class="jxr_linenumber" name="131" href="#131">131</a> 
-<a class="jxr_linenumber" name="132" href="#132">132</a>     @Test
-<a class="jxr_linenumber" name="133" href="#133">133</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMultiplyEntry() {
-<a class="jxr_linenumber" name="134" href="#134">134</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
-<a class="jxr_linenumber" name="135" href="#135">135</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data);
+<a class="jxr_linenumber" name="86" href="#86">86</a>      @Test
+<a class="jxr_linenumber" name="87" href="#87">87</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCreate() {
+<a class="jxr_linenumber" name="88" href="#88">88</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] d = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="89" href="#89">89</a>          <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(d, false);
+<a class="jxr_linenumber" name="90" href="#90">90</a>          <strong class="jxr_keyword">final</strong> RealMatrix p = m.createMatrix(5, 5);
+<a class="jxr_linenumber" name="91" href="#91">91</a>          Assert.assertTrue(p instanceof DiagonalMatrix);
+<a class="jxr_linenumber" name="92" href="#92">92</a>          Assert.assertEquals(5, p.getRowDimension());
+<a class="jxr_linenumber" name="93" href="#93">93</a>          Assert.assertEquals(5, p.getColumnDimension());
+<a class="jxr_linenumber" name="94" href="#94">94</a>      }
+<a class="jxr_linenumber" name="95" href="#95">95</a>  
+<a class="jxr_linenumber" name="96" href="#96">96</a>      @Test
+<a class="jxr_linenumber" name="97" href="#97">97</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCopy() {
+<a class="jxr_linenumber" name="98" href="#98">98</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] d = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="99" href="#99">99</a>          <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(d, false);
+<a class="jxr_linenumber" name="100" href="#100">100</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix p = (DiagonalMatrix) m.copy();
+<a class="jxr_linenumber" name="101" href="#101">101</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; m.getRowDimension(); ++i) {
+<a class="jxr_linenumber" name="102" href="#102">102</a>             Assert.assertEquals(m.getEntry(i, i), p.getEntry(i, i), 1.0e-20);
+<a class="jxr_linenumber" name="103" href="#103">103</a>         }
+<a class="jxr_linenumber" name="104" href="#104">104</a>     }
+<a class="jxr_linenumber" name="105" href="#105">105</a> 
+<a class="jxr_linenumber" name="106" href="#106">106</a>     @Test
+<a class="jxr_linenumber" name="107" href="#107">107</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testGetData() {
+<a class="jxr_linenumber" name="108" href="#108">108</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="109" href="#109">109</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> dim = 3;
+<a class="jxr_linenumber" name="110" href="#110">110</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(dim);
+<a class="jxr_linenumber" name="111" href="#111">111</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; dim; i++) {
+<a class="jxr_linenumber" name="112" href="#112">112</a>             m.setEntry(i, i, data[i]);
+<a class="jxr_linenumber" name="113" href="#113">113</a>         }
+<a class="jxr_linenumber" name="114" href="#114">114</a> 
+<a class="jxr_linenumber" name="115" href="#115">115</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[][] out = m.getData();
+<a class="jxr_linenumber" name="116" href="#116">116</a>         Assert.assertEquals(dim, out.length);
+<a class="jxr_linenumber" name="117" href="#117">117</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; m.getRowDimension(); i++) {
+<a class="jxr_linenumber" name="118" href="#118">118</a>             Assert.assertEquals(dim, out[i].length);
+<a class="jxr_linenumber" name="119" href="#119">119</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; m.getRowDimension(); j++) {
+<a class="jxr_linenumber" name="120" href="#120">120</a>                 <strong class="jxr_keyword">if</strong> (i == j) {
+<a class="jxr_linenumber" name="121" href="#121">121</a>                     Assert.assertEquals(data[i], out[i][j], 0d);
+<a class="jxr_linenumber" name="122" href="#122">122</a>                 } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="123" href="#123">123</a>                     Assert.assertEquals(0d, out[i][j], 0d);
+<a class="jxr_linenumber" name="124" href="#124">124</a>                 }
+<a class="jxr_linenumber" name="125" href="#125">125</a>             }
+<a class="jxr_linenumber" name="126" href="#126">126</a>         }        
+<a class="jxr_linenumber" name="127" href="#127">127</a>     }
+<a class="jxr_linenumber" name="128" href="#128">128</a> 
+<a class="jxr_linenumber" name="129" href="#129">129</a>     @Test
+<a class="jxr_linenumber" name="130" href="#130">130</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAdd() {
+<a class="jxr_linenumber" name="131" href="#131">131</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data1 = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="132" href="#132">132</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m1 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data1);
+<a class="jxr_linenumber" name="133" href="#133">133</a>  
+<a class="jxr_linenumber" name="134" href="#134">134</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data2 = { 10.1, 2.3, 45 };
+<a class="jxr_linenumber" name="135" href="#135">135</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m2 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data2);
 <a class="jxr_linenumber" name="136" href="#136">136</a> 
-<a class="jxr_linenumber" name="137" href="#137">137</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; m.getRowDimension(); i++) {
-<a class="jxr_linenumber" name="138" href="#138">138</a>             m.multiplyEntry(i, i, i);
-<a class="jxr_linenumber" name="139" href="#139">139</a>             Assert.assertEquals(data[i] * i, m.getEntry(i, i), 0d);
-<a class="jxr_linenumber" name="140" href="#140">140</a>         }
-<a class="jxr_linenumber" name="141" href="#141">141</a>     }
-<a class="jxr_linenumber" name="142" href="#142">142</a> 
-<a class="jxr_linenumber" name="143" href="#143">143</a>     @Test
-<a class="jxr_linenumber" name="144" href="#144">144</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMultiply1() {
-<a class="jxr_linenumber" name="145" href="#145">145</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data1 = { -1.2, 3.4, 5 };
-<a class="jxr_linenumber" name="146" href="#146">146</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m1 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data1);
-<a class="jxr_linenumber" name="147" href="#147">147</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data2 = { 10.1, 2.3, 45 };
-<a class="jxr_linenumber" name="148" href="#148">148</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m2 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data2);
+<a class="jxr_linenumber" name="137" href="#137">137</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix result = m1.add(m2);
+<a class="jxr_linenumber" name="138" href="#138">138</a>         Assert.assertEquals(m1.getRowDimension(), result.getRowDimension());
+<a class="jxr_linenumber" name="139" href="#139">139</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; result.getRowDimension(); i++) {
+<a class="jxr_linenumber" name="140" href="#140">140</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; result.getRowDimension(); j++) {
+<a class="jxr_linenumber" name="141" href="#141">141</a>                 <strong class="jxr_keyword">if</strong> (i == j) {
+<a class="jxr_linenumber" name="142" href="#142">142</a>                     Assert.assertEquals(data1[i] + data2[i], result.getEntry(i, j), 0d);
+<a class="jxr_linenumber" name="143" href="#143">143</a>                 } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="144" href="#144">144</a>                     Assert.assertEquals(0d, result.getEntry(i, j), 0d);
+<a class="jxr_linenumber" name="145" href="#145">145</a>                 }
+<a class="jxr_linenumber" name="146" href="#146">146</a>             }
+<a class="jxr_linenumber" name="147" href="#147">147</a>         }
+<a class="jxr_linenumber" name="148" href="#148">148</a>     }
 <a class="jxr_linenumber" name="149" href="#149">149</a> 
-<a class="jxr_linenumber" name="150" href="#150">150</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix result = m1.multiply(m2);
-<a class="jxr_linenumber" name="151" href="#151">151</a>         Assert.assertEquals(m1.getRowDimension(), result.getRowDimension());
-<a class="jxr_linenumber" name="152" href="#152">152</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; result.getRowDimension(); i++) {
-<a class="jxr_linenumber" name="153" href="#153">153</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; result.getRowDimension(); j++) {
-<a class="jxr_linenumber" name="154" href="#154">154</a>                 <strong class="jxr_keyword">if</strong> (i == j) {
-<a class="jxr_linenumber" name="155" href="#155">155</a>                     Assert.assertEquals(data1[i] * data2[i], result.getEntry(i, j), 0d);
-<a class="jxr_linenumber" name="156" href="#156">156</a>                 } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="157" href="#157">157</a>                     Assert.assertEquals(0d, result.getEntry(i, j), 0d);
-<a class="jxr_linenumber" name="158" href="#158">158</a>                 }
-<a class="jxr_linenumber" name="159" href="#159">159</a>             }
-<a class="jxr_linenumber" name="160" href="#160">160</a>         }
-<a class="jxr_linenumber" name="161" href="#161">161</a>     }
-<a class="jxr_linenumber" name="162" href="#162">162</a> 
-<a class="jxr_linenumber" name="163" href="#163">163</a>     @Test
-<a class="jxr_linenumber" name="164" href="#164">164</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMultiply2() {
-<a class="jxr_linenumber" name="165" href="#165">165</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data1 = { -1.2, 3.4, 5 };
-<a class="jxr_linenumber" name="166" href="#166">166</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag1 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data1);
-<a class="jxr_linenumber" name="167" href="#167">167</a> 
-<a class="jxr_linenumber" name="168" href="#168">168</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[][] data2 = { { -1.2, 3.4 },
-<a class="jxr_linenumber" name="169" href="#169">169</a>                                    { -5.6, 7.8 },
-<a class="jxr_linenumber" name="170" href="#170">170</a>                                    {  9.1, 2.3 } };
-<a class="jxr_linenumber" name="171" href="#171">171</a>         <strong class="jxr_keyword">final</strong> RealMatrix dense2 = <strong class="jxr_keyword">new</strong> Array2DRowRealMatrix(data2);
-<a class="jxr_linenumber" name="172" href="#172">172</a>         <strong class="jxr_keyword">final</strong> RealMatrix dense1 = <strong class="jxr_keyword">new</strong> Array2DRowRealMatrix(diag1.getData());
-<a class="jxr_linenumber" name="173" href="#173">173</a> 
-<a class="jxr_linenumber" name="174" href="#174">174</a>         <strong class="jxr_keyword">final</strong> RealMatrix diagResult = diag1.multiply(dense2);
-<a class="jxr_linenumber" name="175" href="#175">175</a>         <strong class="jxr_keyword">final</strong> RealMatrix denseResult = dense1.multiply(dense2);
-<a class="jxr_linenumber" name="176" href="#176">176</a> 
-<a class="jxr_linenumber" name="177" href="#177">177</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; dense1.getRowDimension(); i++) {
-<a class="jxr_linenumber" name="178" href="#178">178</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; dense2.getColumnDimension(); j++) {
-<a class="jxr_linenumber" name="179" href="#179">179</a>                 Assert.assertEquals(denseResult.getEntry(i, j),
-<a class="jxr_linenumber" name="180" href="#180">180</a>                                     diagResult.getEntry(i, j), 0d);
-<a class="jxr_linenumber" name="181" href="#181">181</a>             }
-<a class="jxr_linenumber" name="182" href="#182">182</a>         }
-<a class="jxr_linenumber" name="183" href="#183">183</a>     }
-<a class="jxr_linenumber" name="184" href="#184">184</a> 
-<a class="jxr_linenumber" name="185" href="#185">185</a>     @Test
-<a class="jxr_linenumber" name="186" href="#186">186</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testOperate() {
-<a class="jxr_linenumber" name="187" href="#187">187</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
-<a class="jxr_linenumber" name="188" href="#188">188</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data);
-<a class="jxr_linenumber" name="189" href="#189">189</a>         <strong class="jxr_keyword">final</strong> RealMatrix dense = <strong class="jxr_keyword">new</strong> Array2DRowRealMatrix(diag.getData());
-<a class="jxr_linenumber" name="190" href="#190">190</a> 
-<a class="jxr_linenumber" name="191" href="#191">191</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v = { 6.7, 890.1, 23.4 };
-<a class="jxr_linenumber" name="192" href="#192">192</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] diagResult = diag.operate(v);
-<a class="jxr_linenumber" name="193" href="#193">193</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] denseResult = dense.operate(v);
-<a class="jxr_linenumber" name="194" href="#194">194</a> 
-<a class="jxr_linenumber" name="195" href="#195">195</a>         TestUtils.assertEquals(diagResult, denseResult, 0d);
-<a class="jxr_linenumber" name="196" href="#196">196</a>     }
-<a class="jxr_linenumber" name="197" href="#197">197</a> 
-<a class="jxr_linenumber" name="198" href="#198">198</a>     @Test
-<a class="jxr_linenumber" name="199" href="#199">199</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreMultiply() {
-<a class="jxr_linenumber" name="200" href="#200">200</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
-<a class="jxr_linenumber" name="201" href="#201">201</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data);
-<a class="jxr_linenumber" name="202" href="#202">202</a>         <strong class="jxr_keyword">final</strong> RealMatrix dense = <strong class="jxr_keyword">new</strong> Array2DRowRealMatrix(diag.getData());
-<a class="jxr_linenumber" name="203" href="#203">203</a> 
-<a class="jxr_linenumber" name="204" href="#204">204</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v = { 6.7, 890.1, 23.4 };
-<a class="jxr_linenumber" name="205" href="#205">205</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] diagResult = diag.preMultiply(v);
-<a class="jxr_linenumber" name="206" href="#206">206</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] denseResult = dense.preMultiply(v);
-<a class="jxr_linenumber" name="207" href="#207">207</a> 
-<a class="jxr_linenumber" name="208" href="#208">208</a>         TestUtils.assertEquals(diagResult, denseResult, 0d);
-<a class="jxr_linenumber" name="209" href="#209">209</a>     }
-<a class="jxr_linenumber" name="210" href="#210">210</a> 
-<a class="jxr_linenumber" name="211" href="#211">211</a>     @Test(expected=MathUnsupportedOperationException.<strong class="jxr_keyword">class</strong>)
-<a class="jxr_linenumber" name="212" href="#212">212</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSetNonDiagonalEntry() {
-<a class="jxr_linenumber" name="213" href="#213">213</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(3);
-<a class="jxr_linenumber" name="214" href="#214">214</a>         diag.setEntry(1, 2, 3.4);
-<a class="jxr_linenumber" name="215" href="#215">215</a>     }
-<a class="jxr_linenumber" name="216" href="#216">216</a> 
-<a class="jxr_linenumber" name="217" href="#217">217</a>     @Test(expected=OutOfRangeException.<strong class="jxr_keyword">class</strong>)
-<a class="jxr_linenumber" name="218" href="#218">218</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSetEntryOutOfRange() {
-<a class="jxr_linenumber" name="219" href="#219">219</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(3);
-<a class="jxr_linenumber" name="220" href="#220">220</a>         diag.setEntry(3, 3, 3.4);
-<a class="jxr_linenumber" name="221" href="#221">221</a>     }
-<a class="jxr_linenumber" name="222" href="#222">222</a> }
+<a class="jxr_linenumber" name="150" href="#150">150</a>     @Test
+<a class="jxr_linenumber" name="151" href="#151">151</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSubtract() {
+<a class="jxr_linenumber" name="152" href="#152">152</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data1 = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="153" href="#153">153</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m1 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data1);
+<a class="jxr_linenumber" name="154" href="#154">154</a>  
+<a class="jxr_linenumber" name="155" href="#155">155</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data2 = { 10.1, 2.3, 45 };
+<a class="jxr_linenumber" name="156" href="#156">156</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m2 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data2);
+<a class="jxr_linenumber" name="157" href="#157">157</a> 
+<a class="jxr_linenumber" name="158" href="#158">158</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix result = m1.subtract(m2);
+<a class="jxr_linenumber" name="159" href="#159">159</a>         Assert.assertEquals(m1.getRowDimension(), result.getRowDimension());
+<a class="jxr_linenumber" name="160" href="#160">160</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; result.getRowDimension(); i++) {
+<a class="jxr_linenumber" name="161" href="#161">161</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; result.getRowDimension(); j++) {
+<a class="jxr_linenumber" name="162" href="#162">162</a>                 <strong class="jxr_keyword">if</strong> (i == j) {
+<a class="jxr_linenumber" name="163" href="#163">163</a>                     Assert.assertEquals(data1[i] - data2[i], result.getEntry(i, j), 0d);
+<a class="jxr_linenumber" name="164" href="#164">164</a>                 } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="165" href="#165">165</a>                     Assert.assertEquals(0d, result.getEntry(i, j), 0d);
+<a class="jxr_linenumber" name="166" href="#166">166</a>                 }
+<a class="jxr_linenumber" name="167" href="#167">167</a>             }
+<a class="jxr_linenumber" name="168" href="#168">168</a>         }
+<a class="jxr_linenumber" name="169" href="#169">169</a>     }
+<a class="jxr_linenumber" name="170" href="#170">170</a> 
+<a class="jxr_linenumber" name="171" href="#171">171</a>     @Test
+<a class="jxr_linenumber" name="172" href="#172">172</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAddToEntry() {
+<a class="jxr_linenumber" name="173" href="#173">173</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="174" href="#174">174</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data);
+<a class="jxr_linenumber" name="175" href="#175">175</a> 
+<a class="jxr_linenumber" name="176" href="#176">176</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; m.getRowDimension(); i++) {
+<a class="jxr_linenumber" name="177" href="#177">177</a>             m.addToEntry(i, i, i);
+<a class="jxr_linenumber" name="178" href="#178">178</a>             Assert.assertEquals(data[i] + i, m.getEntry(i, i), 0d);
+<a class="jxr_linenumber" name="179" href="#179">179</a>         }
+<a class="jxr_linenumber" name="180" href="#180">180</a>     }
+<a class="jxr_linenumber" name="181" href="#181">181</a> 
+<a class="jxr_linenumber" name="182" href="#182">182</a>     @Test
+<a class="jxr_linenumber" name="183" href="#183">183</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMultiplyEntry() {
+<a class="jxr_linenumber" name="184" href="#184">184</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="185" href="#185">185</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data);
+<a class="jxr_linenumber" name="186" href="#186">186</a> 
+<a class="jxr_linenumber" name="187" href="#187">187</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; m.getRowDimension(); i++) {
+<a class="jxr_linenumber" name="188" href="#188">188</a>             m.multiplyEntry(i, i, i);
+<a class="jxr_linenumber" name="189" href="#189">189</a>             Assert.assertEquals(data[i] * i, m.getEntry(i, i), 0d);
+<a class="jxr_linenumber" name="190" href="#190">190</a>         }
+<a class="jxr_linenumber" name="191" href="#191">191</a>     }
+<a class="jxr_linenumber" name="192" href="#192">192</a> 
+<a class="jxr_linenumber" name="193" href="#193">193</a>     @Test
+<a class="jxr_linenumber" name="194" href="#194">194</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMultiply1() {
+<a class="jxr_linenumber" name="195" href="#195">195</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data1 = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="196" href="#196">196</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m1 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data1);
+<a class="jxr_linenumber" name="197" href="#197">197</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data2 = { 10.1, 2.3, 45 };
+<a class="jxr_linenumber" name="198" href="#198">198</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix m2 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data2);
+<a class="jxr_linenumber" name="199" href="#199">199</a> 
+<a class="jxr_linenumber" name="200" href="#200">200</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix result = (DiagonalMatrix) m1.multiply((RealMatrix) m2);
+<a class="jxr_linenumber" name="201" href="#201">201</a>         Assert.assertEquals(m1.getRowDimension(), result.getRowDimension());
+<a class="jxr_linenumber" name="202" href="#202">202</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; result.getRowDimension(); i++) {
+<a class="jxr_linenumber" name="203" href="#203">203</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; result.getRowDimension(); j++) {
+<a class="jxr_linenumber" name="204" href="#204">204</a>                 <strong class="jxr_keyword">if</strong> (i == j) {
+<a class="jxr_linenumber" name="205" href="#205">205</a>                     Assert.assertEquals(data1[i] * data2[i], result.getEntry(i, j), 0d);
+<a class="jxr_linenumber" name="206" href="#206">206</a>                 } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="207" href="#207">207</a>                     Assert.assertEquals(0d, result.getEntry(i, j), 0d);
+<a class="jxr_linenumber" name="208" href="#208">208</a>                 }
+<a class="jxr_linenumber" name="209" href="#209">209</a>             }
+<a class="jxr_linenumber" name="210" href="#210">210</a>         }
+<a class="jxr_linenumber" name="211" href="#211">211</a>     }
+<a class="jxr_linenumber" name="212" href="#212">212</a> 
+<a class="jxr_linenumber" name="213" href="#213">213</a>     @Test
+<a class="jxr_linenumber" name="214" href="#214">214</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMultiply2() {
+<a class="jxr_linenumber" name="215" href="#215">215</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data1 = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="216" href="#216">216</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag1 = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data1);
+<a class="jxr_linenumber" name="217" href="#217">217</a> 
+<a class="jxr_linenumber" name="218" href="#218">218</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[][] data2 = { { -1.2, 3.4 },
+<a class="jxr_linenumber" name="219" href="#219">219</a>                                    { -5.6, 7.8 },
+<a class="jxr_linenumber" name="220" href="#220">220</a>                                    {  9.1, 2.3 } };
+<a class="jxr_linenumber" name="221" href="#221">221</a>         <strong class="jxr_keyword">final</strong> RealMatrix dense2 = <strong class="jxr_keyword">new</strong> Array2DRowRealMatrix(data2);
+<a class="jxr_linenumber" name="222" href="#222">222</a>         <strong class="jxr_keyword">final</strong> RealMatrix dense1 = <strong class="jxr_keyword">new</strong> Array2DRowRealMatrix(diag1.getData());
+<a class="jxr_linenumber" name="223" href="#223">223</a> 
+<a class="jxr_linenumber" name="224" href="#224">224</a>         <strong class="jxr_keyword">final</strong> RealMatrix diagResult = diag1.multiply(dense2);
+<a class="jxr_linenumber" name="225" href="#225">225</a>         <strong class="jxr_keyword">final</strong> RealMatrix denseResult = dense1.multiply(dense2);
+<a class="jxr_linenumber" name="226" href="#226">226</a> 
+<a class="jxr_linenumber" name="227" href="#227">227</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; dense1.getRowDimension(); i++) {
+<a class="jxr_linenumber" name="228" href="#228">228</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; dense2.getColumnDimension(); j++) {
+<a class="jxr_linenumber" name="229" href="#229">229</a>                 Assert.assertEquals(denseResult.getEntry(i, j),
+<a class="jxr_linenumber" name="230" href="#230">230</a>                                     diagResult.getEntry(i, j), 0d);
+<a class="jxr_linenumber" name="231" href="#231">231</a>             }
+<a class="jxr_linenumber" name="232" href="#232">232</a>         }
+<a class="jxr_linenumber" name="233" href="#233">233</a>     }
+<a class="jxr_linenumber" name="234" href="#234">234</a> 
+<a class="jxr_linenumber" name="235" href="#235">235</a>     @Test
+<a class="jxr_linenumber" name="236" href="#236">236</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testOperate() {
+<a class="jxr_linenumber" name="237" href="#237">237</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="238" href="#238">238</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data);
+<a class="jxr_linenumber" name="239" href="#239">239</a>         <strong class="jxr_keyword">final</strong> RealMatrix dense = <strong class="jxr_keyword">new</strong> Array2DRowRealMatrix(diag.getData());
+<a class="jxr_linenumber" name="240" href="#240">240</a> 
+<a class="jxr_linenumber" name="241" href="#241">241</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v = { 6.7, 890.1, 23.4 };
+<a class="jxr_linenumber" name="242" href="#242">242</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] diagResult = diag.operate(v);
+<a class="jxr_linenumber" name="243" href="#243">243</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] denseResult = dense.operate(v);
+<a class="jxr_linenumber" name="244" href="#244">244</a> 
+<a class="jxr_linenumber" name="245" href="#245">245</a>         TestUtils.assertEquals(diagResult, denseResult, 0d);
+<a class="jxr_linenumber" name="246" href="#246">246</a>     }
+<a class="jxr_linenumber" name="247" href="#247">247</a> 
+<a class="jxr_linenumber" name="248" href="#248">248</a>     @Test
+<a class="jxr_linenumber" name="249" href="#249">249</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreMultiply() {
+<a class="jxr_linenumber" name="250" href="#250">250</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="251" href="#251">251</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data);
+<a class="jxr_linenumber" name="252" href="#252">252</a>         <strong class="jxr_keyword">final</strong> RealMatrix dense = <strong class="jxr_keyword">new</strong> Array2DRowRealMatrix(diag.getData());
+<a class="jxr_linenumber" name="253" href="#253">253</a> 
+<a class="jxr_linenumber" name="254" href="#254">254</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v = { 6.7, 890.1, 23.4 };
+<a class="jxr_linenumber" name="255" href="#255">255</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] diagResult = diag.preMultiply(v);
+<a class="jxr_linenumber" name="256" href="#256">256</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] denseResult = dense.preMultiply(v);
+<a class="jxr_linenumber" name="257" href="#257">257</a> 
+<a class="jxr_linenumber" name="258" href="#258">258</a>         TestUtils.assertEquals(diagResult, denseResult, 0d);
+<a class="jxr_linenumber" name="259" href="#259">259</a>     }
+<a class="jxr_linenumber" name="260" href="#260">260</a> 
+<a class="jxr_linenumber" name="261" href="#261">261</a>     @Test(expected=NumberIsTooLargeException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="262" href="#262">262</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSetNonDiagonalEntry() {
+<a class="jxr_linenumber" name="263" href="#263">263</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(3);
+<a class="jxr_linenumber" name="264" href="#264">264</a>         diag.setEntry(1, 2, 3.4);
+<a class="jxr_linenumber" name="265" href="#265">265</a>     }
+<a class="jxr_linenumber" name="266" href="#266">266</a> 
+<a class="jxr_linenumber" name="267" href="#267">267</a>     @Test
+<a class="jxr_linenumber" name="268" href="#268">268</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSetNonDiagonalZero() {
+<a class="jxr_linenumber" name="269" href="#269">269</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(3);
+<a class="jxr_linenumber" name="270" href="#270">270</a>         diag.setEntry(1, 2, 0.0);
+<a class="jxr_linenumber" name="271" href="#271">271</a>         Assert.assertEquals(0.0, diag.getEntry(1, 2), Precision.SAFE_MIN);
+<a class="jxr_linenumber" name="272" href="#272">272</a>     }
+<a class="jxr_linenumber" name="273" href="#273">273</a> 
+<a class="jxr_linenumber" name="274" href="#274">274</a>     @Test(expected=NumberIsTooLargeException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="275" href="#275">275</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAddNonDiagonalEntry() {
+<a class="jxr_linenumber" name="276" href="#276">276</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(3);
+<a class="jxr_linenumber" name="277" href="#277">277</a>         diag.addToEntry(1, 2, 3.4);
+<a class="jxr_linenumber" name="278" href="#278">278</a>     }
+<a class="jxr_linenumber" name="279" href="#279">279</a> 
+<a class="jxr_linenumber" name="280" href="#280">280</a>     @Test
+<a class="jxr_linenumber" name="281" href="#281">281</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAddNonDiagonalZero() {
+<a class="jxr_linenumber" name="282" href="#282">282</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(3);
+<a class="jxr_linenumber" name="283" href="#283">283</a>         diag.addToEntry(1, 2, 0.0);
+<a class="jxr_linenumber" name="284" href="#284">284</a>         Assert.assertEquals(0.0, diag.getEntry(1, 2), Precision.SAFE_MIN);
+<a class="jxr_linenumber" name="285" href="#285">285</a>     }
+<a class="jxr_linenumber" name="286" href="#286">286</a> 
+<a class="jxr_linenumber" name="287" href="#287">287</a>     @Test
+<a class="jxr_linenumber" name="288" href="#288">288</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMultiplyNonDiagonalEntry() {
+<a class="jxr_linenumber" name="289" href="#289">289</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(3);
+<a class="jxr_linenumber" name="290" href="#290">290</a>         diag.multiplyEntry(1, 2, 3.4);
+<a class="jxr_linenumber" name="291" href="#291">291</a>         Assert.assertEquals(0.0, diag.getEntry(1, 2), Precision.SAFE_MIN);
+<a class="jxr_linenumber" name="292" href="#292">292</a>     }
+<a class="jxr_linenumber" name="293" href="#293">293</a> 
+<a class="jxr_linenumber" name="294" href="#294">294</a>     @Test
+<a class="jxr_linenumber" name="295" href="#295">295</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMultiplyNonDiagonalZero() {
+<a class="jxr_linenumber" name="296" href="#296">296</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(3);
+<a class="jxr_linenumber" name="297" href="#297">297</a>         diag.multiplyEntry(1, 2, 0.0);
+<a class="jxr_linenumber" name="298" href="#298">298</a>         Assert.assertEquals(0.0, diag.getEntry(1, 2), Precision.SAFE_MIN);
+<a class="jxr_linenumber" name="299" href="#299">299</a>     }
+<a class="jxr_linenumber" name="300" href="#300">300</a> 
+<a class="jxr_linenumber" name="301" href="#301">301</a>     @Test(expected=OutOfRangeException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="302" href="#302">302</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSetEntryOutOfRange() {
+<a class="jxr_linenumber" name="303" href="#303">303</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(3);
+<a class="jxr_linenumber" name="304" href="#304">304</a>         diag.setEntry(3, 3, 3.4);
+<a class="jxr_linenumber" name="305" href="#305">305</a>     }
+<a class="jxr_linenumber" name="306" href="#306">306</a> 
+<a class="jxr_linenumber" name="307" href="#307">307</a>     @Test(expected=NullArgumentException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="308" href="#308">308</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testNull() {
+<a class="jxr_linenumber" name="309" href="#309">309</a>         <strong class="jxr_keyword">new</strong> DiagonalMatrix(<strong class="jxr_keyword">null</strong>, false);
+<a class="jxr_linenumber" name="310" href="#310">310</a>     }
+<a class="jxr_linenumber" name="311" href="#311">311</a> 
+<a class="jxr_linenumber" name="312" href="#312">312</a>     @Test(expected=NumberIsTooLargeException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="313" href="#313">313</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSetSubMatrixError() {
+<a class="jxr_linenumber" name="314" href="#314">314</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="315" href="#315">315</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data);
+<a class="jxr_linenumber" name="316" href="#316">316</a>         diag.setSubMatrix(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[][] { {1.0, 1.0}, {1.0, 1.0}}, 1, 1);
+<a class="jxr_linenumber" name="317" href="#317">317</a>     }
+<a class="jxr_linenumber" name="318" href="#318">318</a> 
+<a class="jxr_linenumber" name="319" href="#319">319</a>     @Test
+<a class="jxr_linenumber" name="320" href="#320">320</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSetSubMatrix() {
+<a class="jxr_linenumber" name="321" href="#321">321</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] data = { -1.2, 3.4, 5 };
+<a class="jxr_linenumber" name="322" href="#322">322</a>         <strong class="jxr_keyword">final</strong> DiagonalMatrix diag = <strong class="jxr_keyword">new</strong> DiagonalMatrix(data);
+<a class="jxr_linenumber" name="323" href="#323">323</a>         diag.setSubMatrix(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[][] { {0.0, 5.0, 0.0}, {0.0, 0.0, 6.0}}, 1, 0);
+<a class="jxr_linenumber" name="324" href="#324">324</a>         Assert.assertEquals(-1.2, diag.getEntry(0, 0), 1.0e-20);
+<a class="jxr_linenumber" name="325" href="#325">325</a>         Assert.assertEquals( 5.0, diag.getEntry(1, 1), 1.0e-20);
+<a class="jxr_linenumber" name="326" href="#326">326</a>         Assert.assertEquals( 6.0, diag.getEntry(2, 2), 1.0e-20);
+<a class="jxr_linenumber" name="327" href="#327">327</a>     }
+<a class="jxr_linenumber" name="328" href="#328">328</a> 
+<a class="jxr_linenumber" name="329" href="#329">329</a> }
 </pre>
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Modified: websites/production/commons/content/proper/commons-math/xref-test/org/apache/commons/math3/linear/QRDecompositionTest.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/xref-test/org/apache/commons/math3/linear/QRDecompositionTest.html (original)
+++ websites/production/commons/content/proper/commons-math/xref-test/org/apache/commons/math3/linear/QRDecompositionTest.html Sun Apr  7 07:52:05 2013
@@ -255,22 +255,21 @@
 <a class="jxr_linenumber" name="245" href="#245">245</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testNonInvertible() {
 <a class="jxr_linenumber" name="246" href="#246">246</a>         QRDecomposition qr =
 <a class="jxr_linenumber" name="247" href="#247">247</a>             <strong class="jxr_keyword">new</strong> QRDecomposition(MatrixUtils.createRealMatrix(testData3x3Singular));
-<a class="jxr_linenumber" name="248" href="#248">248</a> 
-<a class="jxr_linenumber" name="249" href="#249">249</a>         <strong class="jxr_keyword">final</strong> RealMatrix inv = qr.getSolver().getInverse();
-<a class="jxr_linenumber" name="250" href="#250">250</a>     }
-<a class="jxr_linenumber" name="251" href="#251">251</a> 
-<a class="jxr_linenumber" name="252" href="#252">252</a>     <strong class="jxr_keyword">private</strong> RealMatrix createTestMatrix(<strong class="jxr_keyword">final</strong> Random r, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> rows, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> columns) {
-<a class="jxr_linenumber" name="253" href="#253">253</a>         RealMatrix m = MatrixUtils.createRealMatrix(rows, columns);
-<a class="jxr_linenumber" name="254" href="#254">254</a>         m.walkInOptimizedOrder(<strong class="jxr_keyword">new</strong> DefaultRealMatrixChangingVisitor(){
-<a class="jxr_linenumber" name="255" href="#255">255</a>             @Override
-<a class="jxr_linenumber" name="256" href="#256">256</a>             <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong> visit(<strong class="jxr_keyword">int</strong> row, <strong class="jxr_keyword">int</strong> column, <strong class="jxr_keyword">double</strong> value) {
-<a class="jxr_linenumber" name="257" href="#257">257</a>                 <strong class="jxr_keyword">return</strong> 2.0 * r.nextDouble() - 1.0;
-<a class="jxr_linenumber" name="258" href="#258">258</a>             }
-<a class="jxr_linenumber" name="259" href="#259">259</a>         });
-<a class="jxr_linenumber" name="260" href="#260">260</a>         <strong class="jxr_keyword">return</strong> m;
-<a class="jxr_linenumber" name="261" href="#261">261</a>     }
-<a class="jxr_linenumber" name="262" href="#262">262</a> 
-<a class="jxr_linenumber" name="263" href="#263">263</a> }
+<a class="jxr_linenumber" name="248" href="#248">248</a>         qr.getSolver().getInverse();
+<a class="jxr_linenumber" name="249" href="#249">249</a>     }
+<a class="jxr_linenumber" name="250" href="#250">250</a> 
+<a class="jxr_linenumber" name="251" href="#251">251</a>     <strong class="jxr_keyword">private</strong> RealMatrix createTestMatrix(<strong class="jxr_keyword">final</strong> Random r, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> rows, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> columns) {
+<a class="jxr_linenumber" name="252" href="#252">252</a>         RealMatrix m = MatrixUtils.createRealMatrix(rows, columns);
+<a class="jxr_linenumber" name="253" href="#253">253</a>         m.walkInOptimizedOrder(<strong class="jxr_keyword">new</strong> DefaultRealMatrixChangingVisitor(){
+<a class="jxr_linenumber" name="254" href="#254">254</a>             @Override
+<a class="jxr_linenumber" name="255" href="#255">255</a>             <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong> visit(<strong class="jxr_keyword">int</strong> row, <strong class="jxr_keyword">int</strong> column, <strong class="jxr_keyword">double</strong> value) {
+<a class="jxr_linenumber" name="256" href="#256">256</a>                 <strong class="jxr_keyword">return</strong> 2.0 * r.nextDouble() - 1.0;
+<a class="jxr_linenumber" name="257" href="#257">257</a>             }
+<a class="jxr_linenumber" name="258" href="#258">258</a>         });
+<a class="jxr_linenumber" name="259" href="#259">259</a>         <strong class="jxr_keyword">return</strong> m;
+<a class="jxr_linenumber" name="260" href="#260">260</a>     }
+<a class="jxr_linenumber" name="261" href="#261">261</a> 
+<a class="jxr_linenumber" name="262" href="#262">262</a> }
 </pre>
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