http://git-wip-us.apache.org/repos/asf/commons-complex/blob/b3576eeb/site-content/.svn/pristine/06/062b7177791e945e4ad5ddbb095621b511d1f857.svn-base ---------------------------------------------------------------------- diff --git a/site-content/.svn/pristine/06/062b7177791e945e4ad5ddbb095621b511d1f857.svn-base b/site-content/.svn/pristine/06/062b7177791e945e4ad5ddbb095621b511d1f857.svn-base deleted file mode 100644 index e671c2d..0000000 --- a/site-content/.svn/pristine/06/062b7177791e945e4ad5ddbb095621b511d1f857.svn-base +++ /dev/null @@ -1,471 +0,0 @@ -<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";> -<html xmlns="http://www.w3.org/1999/xhtml"; xml:lang="en" lang="en"> -<head><meta http-equiv="content-type" content="text/html; charset=UTF-8" /> -<title>ValueServer xref</title> -<link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" /> -</head> -<body> -<div id="overview"><a href="../../../../../../apidocs/org/apache/commons/math3/random/ValueServer.html">View Javadoc</a></div><pre> -<a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em> -<a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em> -<a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em> -<a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em> -<a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em> -<a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em> -<a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em> -<a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> *</em> -<a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2."; target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em> -<a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> *</em> -<a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em> -<a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> -<a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> -<a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em> -<a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * limitations under the License.</em> -<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> */</em> -<a class="jxr_linenumber" name="L17" href="#L17">17</a> -<a class="jxr_linenumber" name="L18" href="#L18">18</a> <strong class="jxr_keyword">package</strong> org.apache.commons.math3.random; -<a class="jxr_linenumber" name="L19" href="#L19">19</a> <strong class="jxr_keyword">import</strong> java.io.BufferedReader; -<a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">import</strong> java.io.IOException; -<a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">import</strong> java.io.InputStreamReader; -<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> java.net.MalformedURLException; -<a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> java.net.URL; -<a class="jxr_linenumber" name="L24" href="#L24">24</a> -<a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.MathIllegalArgumentException; -<a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.MathIllegalStateException; -<a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.NullArgumentException; -<a class="jxr_linenumber" name="L28" href="#L28">28</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.ZeroException; -<a class="jxr_linenumber" name="L29" href="#L29">29</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.util.LocalizedFormats; -<a class="jxr_linenumber" name="L30" href="#L30">30</a> -<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * Generates values for use in simulation applications.</em> -<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * <p></em> -<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> * How values are generated is determined by the <code>mode</code></em> -<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * property.</p></em> -<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> * <p></em> -<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> * Supported <code>mode</code> values are: <ul></em> -<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * <li> DIGEST_MODE -- uses an empirical distribution </li></em> -<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * <li> REPLAY_MODE -- replays data from <code>valuesFileURL</code></li></em> -<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * <li> UNIFORM_MODE -- generates uniformly distributed random values with</em> -<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * mean = <code>mu</code> </li></em> -<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> * <li> EXPONENTIAL_MODE -- generates exponentially distributed random values</em> -<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment"> * with mean = <code>mu</code></li></em> -<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> * <li> GAUSSIAN_MODE -- generates Gaussian distributed random values with</em> -<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> * mean = <code>mu</code> and</em> -<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment"> * standard deviation = <code>sigma</code></li></em> -<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment"> * <li> CONSTANT_MODE -- returns <code>mu</code> every time.</li></ul></p></em> -<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L51" href="#L51">51</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/math3/random/ValueServer.html">ValueServer</a> { -<a class="jxr_linenumber" name="L52" href="#L52">52</a> -<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment">/** Use empirical distribution. */</em> -<a class="jxr_linenumber" name="L54" href="#L54">54</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DIGEST_MODE = 0; -<a class="jxr_linenumber" name="L55" href="#L55">55</a> -<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment">/** Replay data from valuesFilePath. */</em> -<a class="jxr_linenumber" name="L57" href="#L57">57</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> REPLAY_MODE = 1; -<a class="jxr_linenumber" name="L58" href="#L58">58</a> -<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_javadoccomment">/** Uniform random deviates with mean = &mu;. */</em> -<a class="jxr_linenumber" name="L60" href="#L60">60</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> UNIFORM_MODE = 2; -<a class="jxr_linenumber" name="L61" href="#L61">61</a> -<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment">/** Exponential random deviates with mean = &mu;. */</em> -<a class="jxr_linenumber" name="L63" href="#L63">63</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> EXPONENTIAL_MODE = 3; -<a class="jxr_linenumber" name="L64" href="#L64">64</a> -<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment">/** Gaussian random deviates with mean = &mu;, std dev = &sigma;. */</em> -<a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> GAUSSIAN_MODE = 4; -<a class="jxr_linenumber" name="L67" href="#L67">67</a> -<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment">/** Always return mu */</em> -<a class="jxr_linenumber" name="L69" href="#L69">69</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> CONSTANT_MODE = 5; -<a class="jxr_linenumber" name="L70" href="#L70">70</a> -<a class="jxr_linenumber" name="L71" href="#L71">71</a> <em class="jxr_javadoccomment">/** mode determines how values are generated. */</em> -<a class="jxr_linenumber" name="L72" href="#L72">72</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> mode = 5; -<a class="jxr_linenumber" name="L73" href="#L73">73</a> -<a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment">/** URI to raw data values. */</em> -<a class="jxr_linenumber" name="L75" href="#L75">75</a> <strong class="jxr_keyword">private</strong> URL valuesFileURL = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="L76" href="#L76">76</a> -<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em class="jxr_javadoccomment">/** Mean for use with non-data-driven modes. */</em> -<a class="jxr_linenumber" name="L78" href="#L78">78</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> mu = 0.0; -<a class="jxr_linenumber" name="L79" href="#L79">79</a> -<a class="jxr_linenumber" name="L80" href="#L80">80</a> <em class="jxr_javadoccomment">/** Standard deviation for use with GAUSSIAN_MODE. */</em> -<a class="jxr_linenumber" name="L81" href="#L81">81</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> sigma = 0.0; -<a class="jxr_linenumber" name="L82" href="#L82">82</a> -<a class="jxr_linenumber" name="L83" href="#L83">83</a> <em class="jxr_javadoccomment">/** Empirical probability distribution for use with DIGEST_MODE. */</em> -<a class="jxr_linenumber" name="L84" href="#L84">84</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/commons/math3/random/EmpiricalDistribution.html">EmpiricalDistribution</a> empiricalDistribution = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="L85" href="#L85">85</a> -<a class="jxr_linenumber" name="L86" href="#L86">86</a> <em class="jxr_javadoccomment">/** File pointer for REPLAY_MODE. */</em> -<a class="jxr_linenumber" name="L87" href="#L87">87</a> <strong class="jxr_keyword">private</strong> BufferedReader filePointer = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="L88" href="#L88">88</a> -<a class="jxr_linenumber" name="L89" href="#L89">89</a> <em class="jxr_javadoccomment">/** RandomDataImpl to use for random data generation. */</em> -<a class="jxr_linenumber" name="L90" href="#L90">90</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/math3/random/RandomDataGenerator.html">RandomDataGenerator</a> randomData; -<a class="jxr_linenumber" name="L91" href="#L91">91</a> -<a class="jxr_linenumber" name="L92" href="#L92">92</a> <em class="jxr_comment">// Data generation modes ======================================</em> -<a class="jxr_linenumber" name="L93" href="#L93">93</a> -<a class="jxr_linenumber" name="L94" href="#L94">94</a> <em class="jxr_javadoccomment">/** Creates new ValueServer */</em> -<a class="jxr_linenumber" name="L95" href="#L95">95</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/commons/math3/random/ValueServer.html">ValueServer</a>() { -<a class="jxr_linenumber" name="L96" href="#L96">96</a> randomData = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/random/RandomDataGenerator.html">RandomDataGenerator</a>(); -<a class="jxr_linenumber" name="L97" href="#L97">97</a> } -<a class="jxr_linenumber" name="L98" href="#L98">98</a> -<a class="jxr_linenumber" name="L99" href="#L99">99</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment"> * Construct a ValueServer instance using a RandomDataImpl as its source</em> -<a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_javadoccomment"> * of random data.</em> -<a class="jxr_linenumber" name="L102" href="#L102">102</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em class="jxr_javadoccomment"> * @param randomData the RandomDataImpl instance used to source random data</em> -<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_javadoccomment"> * @since 3.0</em> -<a class="jxr_linenumber" name="L105" href="#L105">105</a> <em class="jxr_javadoccomment"> * @deprecated use {@link #ValueServer(RandomGenerator)}</em> -<a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L107" href="#L107">107</a> @Deprecated -<a class="jxr_linenumber" name="L108" href="#L108">108</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/commons/math3/random/ValueServer.html">ValueServer</a>(<a href="../../../../../org/apache/commons/math3/random/RandomDataImpl.html">RandomDataImpl</a> randomData) { -<a class="jxr_linenumber" name="L109" href="#L109">109</a> <strong class="jxr_keyword">this</strong>.randomData = randomData.getDelegate(); -<a class="jxr_linenumber" name="L110" href="#L110">110</a> } -<a class="jxr_linenumber" name="L111" href="#L111">111</a> -<a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment"> * Construct a ValueServer instance using a RandomGenerator as its source</em> -<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment"> * of random data.</em> -<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L116" href="#L116">116</a> <em class="jxr_javadoccomment"> * @since 3.1</em> -<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment"> * @param generator source of random data</em> -<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L119" href="#L119">119</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/commons/math3/random/ValueServer.html">ValueServer</a>(<a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html">RandomGenerator</a> generator) { -<a class="jxr_linenumber" name="L120" href="#L120">120</a> <strong class="jxr_keyword">this</strong>.randomData = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/random/RandomDataGenerator.html">RandomDataGenerator</a>(generator); -<a class="jxr_linenumber" name="L121" href="#L121">121</a> } -<a class="jxr_linenumber" name="L122" href="#L122">122</a> -<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L124" href="#L124">124</a> <em class="jxr_javadoccomment"> * Returns the next generated value, generated according</em> -<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_javadoccomment"> * to the mode value (see MODE constants).</em> -<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L127" href="#L127">127</a> <em class="jxr_javadoccomment"> * @return generated value</em> -<a class="jxr_linenumber" name="L128" href="#L128">128</a> <em class="jxr_javadoccomment"> * @throws IOException in REPLAY_MODE if a file I/O error occurs</em> -<a class="jxr_linenumber" name="L129" href="#L129">129</a> <em class="jxr_javadoccomment"> * @throws MathIllegalStateException if mode is not recognized</em> -<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em class="jxr_javadoccomment"> * @throws MathIllegalArgumentException if the underlying random generator thwrows one</em> -<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L132" href="#L132">132</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong> getNext() <strong class="jxr_keyword">throws</strong> IOException, MathIllegalStateException, MathIllegalArgumentException { -<a class="jxr_linenumber" name="L133" href="#L133">133</a> <strong class="jxr_keyword">switch</strong> (mode) { -<a class="jxr_linenumber" name="L134" href="#L134">134</a> <strong class="jxr_keyword">case</strong> DIGEST_MODE: <strong class="jxr_keyword">return</strong> getNextDigest(); -<a class="jxr_linenumber" name="L135" href="#L135">135</a> <strong class="jxr_keyword">case</strong> REPLAY_MODE: <strong class="jxr_keyword">return</strong> getNextReplay(); -<a class="jxr_linenumber" name="L136" href="#L136">136</a> <strong class="jxr_keyword">case</strong> UNIFORM_MODE: <strong class="jxr_keyword">return</strong> getNextUniform(); -<a class="jxr_linenumber" name="L137" href="#L137">137</a> <strong class="jxr_keyword">case</strong> EXPONENTIAL_MODE: <strong class="jxr_keyword">return</strong> getNextExponential(); -<a class="jxr_linenumber" name="L138" href="#L138">138</a> <strong class="jxr_keyword">case</strong> GAUSSIAN_MODE: <strong class="jxr_keyword">return</strong> getNextGaussian(); -<a class="jxr_linenumber" name="L139" href="#L139">139</a> <strong class="jxr_keyword">case</strong> CONSTANT_MODE: <strong class="jxr_keyword">return</strong> mu; -<a class="jxr_linenumber" name="L140" href="#L140">140</a> <strong class="jxr_keyword">default</strong>: <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html">MathIllegalStateException</a>( -<a class="jxr_linenumber" name="L141" href="#L141">141</a> LocalizedFormats.UNKNOWN_MODE, -<a class="jxr_linenumber" name="L142" href="#L142">142</a> mode, -<a class="jxr_linenumber" name="L143" href="#L143">143</a> <span class="jxr_string">"DIGEST_MODE"</span>, DIGEST_MODE, <span class="jxr_string">"REPLAY_MODE"</span>, REPLAY_MODE, -<a class="jxr_linenumber" name="L144" href="#L144">144</a> <span class="jxr_string">"UNIFORM_MODE"</span>, UNIFORM_MODE, <span class="jxr_string">"EXPONENTIAL_MODE"</span>, EXPONENTIAL_MODE, -<a class="jxr_linenumber" name="L145" href="#L145">145</a> <span class="jxr_string">"GAUSSIAN_MODE"</span>, GAUSSIAN_MODE, <span class="jxr_string">"CONSTANT_MODE"</span>, CONSTANT_MODE); -<a class="jxr_linenumber" name="L146" href="#L146">146</a> } -<a class="jxr_linenumber" name="L147" href="#L147">147</a> } -<a class="jxr_linenumber" name="L148" href="#L148">148</a> -<a class="jxr_linenumber" name="L149" href="#L149">149</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L150" href="#L150">150</a> <em class="jxr_javadoccomment"> * Fills the input array with values generated using getNext() repeatedly.</em> -<a class="jxr_linenumber" name="L151" href="#L151">151</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L152" href="#L152">152</a> <em class="jxr_javadoccomment"> * @param values array to be filled</em> -<a class="jxr_linenumber" name="L153" href="#L153">153</a> <em class="jxr_javadoccomment"> * @throws IOException in REPLAY_MODE if a file I/O error occurs</em> -<a class="jxr_linenumber" name="L154" href="#L154">154</a> <em class="jxr_javadoccomment"> * @throws MathIllegalStateException if mode is not recognized</em> -<a class="jxr_linenumber" name="L155" href="#L155">155</a> <em class="jxr_javadoccomment"> * @throws MathIllegalArgumentException if the underlying random generator thwrows one</em> -<a class="jxr_linenumber" name="L156" href="#L156">156</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L157" href="#L157">157</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> fill(<strong class="jxr_keyword">double</strong>[] values) -<a class="jxr_linenumber" name="L158" href="#L158">158</a> <strong class="jxr_keyword">throws</strong> IOException, MathIllegalStateException, <a href="../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html">MathIllegalArgumentException</a> { -<a class="jxr_linenumber" name="L159" href="#L159">159</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < values.length; i++) { -<a class="jxr_linenumber" name="L160" href="#L160">160</a> values[i] = getNext(); -<a class="jxr_linenumber" name="L161" href="#L161">161</a> } -<a class="jxr_linenumber" name="L162" href="#L162">162</a> } -<a class="jxr_linenumber" name="L163" href="#L163">163</a> -<a class="jxr_linenumber" name="L164" href="#L164">164</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L165" href="#L165">165</a> <em class="jxr_javadoccomment"> * Returns an array of length <code>length</code> with values generated</em> -<a class="jxr_linenumber" name="L166" href="#L166">166</a> <em class="jxr_javadoccomment"> * using getNext() repeatedly.</em> -<a class="jxr_linenumber" name="L167" href="#L167">167</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L168" href="#L168">168</a> <em class="jxr_javadoccomment"> * @param length length of output array</em> -<a class="jxr_linenumber" name="L169" href="#L169">169</a> <em class="jxr_javadoccomment"> * @return array of generated values</em> -<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em class="jxr_javadoccomment"> * @throws IOException in REPLAY_MODE if a file I/O error occurs</em> -<a class="jxr_linenumber" name="L171" href="#L171">171</a> <em class="jxr_javadoccomment"> * @throws MathIllegalStateException if mode is not recognized</em> -<a class="jxr_linenumber" name="L172" href="#L172">172</a> <em class="jxr_javadoccomment"> * @throws MathIllegalArgumentException if the underlying random generator thwrows one</em> -<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L174" href="#L174">174</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong>[] fill(<strong class="jxr_keyword">int</strong> length) -<a class="jxr_linenumber" name="L175" href="#L175">175</a> <strong class="jxr_keyword">throws</strong> IOException, MathIllegalStateException, <a href="../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html">MathIllegalArgumentException</a> { -<a class="jxr_linenumber" name="L176" href="#L176">176</a> <strong class="jxr_keyword">double</strong>[] out = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[length]; -<a class="jxr_linenumber" name="L177" href="#L177">177</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < length; i++) { -<a class="jxr_linenumber" name="L178" href="#L178">178</a> out[i] = getNext(); -<a class="jxr_linenumber" name="L179" href="#L179">179</a> } -<a class="jxr_linenumber" name="L180" href="#L180">180</a> <strong class="jxr_keyword">return</strong> out; -<a class="jxr_linenumber" name="L181" href="#L181">181</a> } -<a class="jxr_linenumber" name="L182" href="#L182">182</a> -<a class="jxr_linenumber" name="L183" href="#L183">183</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L184" href="#L184">184</a> <em class="jxr_javadoccomment"> * Computes the empirical distribution using values from the file</em> -<a class="jxr_linenumber" name="L185" href="#L185">185</a> <em class="jxr_javadoccomment"> * in <code>valuesFileURL</code>, using the default number of bins.</em> -<a class="jxr_linenumber" name="L186" href="#L186">186</a> <em class="jxr_javadoccomment"> * <p></em> -<a class="jxr_linenumber" name="L187" href="#L187">187</a> <em class="jxr_javadoccomment"> * <code>valuesFileURL</code> must exist and be</em> -<a class="jxr_linenumber" name="L188" href="#L188">188</a> <em class="jxr_javadoccomment"> * readable by *this at runtime.</p></em> -<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em class="jxr_javadoccomment"> * <p></em> -<a class="jxr_linenumber" name="L190" href="#L190">190</a> <em class="jxr_javadoccomment"> * This method must be called before using <code>getNext()</code></em> -<a class="jxr_linenumber" name="L191" href="#L191">191</a> <em class="jxr_javadoccomment"> * with <code>mode = DIGEST_MODE</code></p></em> -<a class="jxr_linenumber" name="L192" href="#L192">192</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L193" href="#L193">193</a> <em class="jxr_javadoccomment"> * @throws IOException if an I/O error occurs reading the input file</em> -<a class="jxr_linenumber" name="L194" href="#L194">194</a> <em class="jxr_javadoccomment"> * @throws NullArgumentException if the {@code valuesFileURL} has not been set</em> -<a class="jxr_linenumber" name="L195" href="#L195">195</a> <em class="jxr_javadoccomment"> * @throws ZeroException if URL contains no data</em> -<a class="jxr_linenumber" name="L196" href="#L196">196</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L197" href="#L197">197</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> computeDistribution() <strong class="jxr_keyword">throws</strong> IOException, ZeroException, NullArgumentException { -<a class="jxr_linenumber" name="L198" href="#L198">198</a> computeDistribution(EmpiricalDistribution.DEFAULT_BIN_COUNT); -<a class="jxr_linenumber" name="L199" href="#L199">199</a> } -<a class="jxr_linenumber" name="L200" href="#L200">200</a> -<a class="jxr_linenumber" name="L201" href="#L201">201</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L202" href="#L202">202</a> <em class="jxr_javadoccomment"> * Computes the empirical distribution using values from the file</em> -<a class="jxr_linenumber" name="L203" href="#L203">203</a> <em class="jxr_javadoccomment"> * in <code>valuesFileURL</code> and <code>binCount</code> bins.</em> -<a class="jxr_linenumber" name="L204" href="#L204">204</a> <em class="jxr_javadoccomment"> * <p></em> -<a class="jxr_linenumber" name="L205" href="#L205">205</a> <em class="jxr_javadoccomment"> * <code>valuesFileURL</code> must exist and be readable by this process</em> -<a class="jxr_linenumber" name="L206" href="#L206">206</a> <em class="jxr_javadoccomment"> * at runtime.</p></em> -<a class="jxr_linenumber" name="L207" href="#L207">207</a> <em class="jxr_javadoccomment"> * <p></em> -<a class="jxr_linenumber" name="L208" href="#L208">208</a> <em class="jxr_javadoccomment"> * This method must be called before using <code>getNext()</code></em> -<a class="jxr_linenumber" name="L209" href="#L209">209</a> <em class="jxr_javadoccomment"> * with <code>mode = DIGEST_MODE</code></p></em> -<a class="jxr_linenumber" name="L210" href="#L210">210</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L211" href="#L211">211</a> <em class="jxr_javadoccomment"> * @param binCount the number of bins used in computing the empirical</em> -<a class="jxr_linenumber" name="L212" href="#L212">212</a> <em class="jxr_javadoccomment"> * distribution</em> -<a class="jxr_linenumber" name="L213" href="#L213">213</a> <em class="jxr_javadoccomment"> * @throws NullArgumentException if the {@code valuesFileURL} has not been set</em> -<a class="jxr_linenumber" name="L214" href="#L214">214</a> <em class="jxr_javadoccomment"> * @throws IOException if an error occurs reading the input file</em> -<a class="jxr_linenumber" name="L215" href="#L215">215</a> <em class="jxr_javadoccomment"> * @throws ZeroException if URL contains no data</em> -<a class="jxr_linenumber" name="L216" href="#L216">216</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L217" href="#L217">217</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> computeDistribution(<strong class="jxr_keyword">int</strong> binCount) <strong class="jxr_keyword">throws</strong> NullArgumentException, IOException, ZeroException { -<a class="jxr_linenumber" name="L218" href="#L218">218</a> empiricalDistribution = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/random/EmpiricalDistribution.html">EmpiricalDistribution</a>(binCount, randomData.getRandomGenerator()); -<a class="jxr_linenumber" name="L219" href="#L219">219</a> empiricalDistribution.load(valuesFileURL); -<a class="jxr_linenumber" name="L220" href="#L220">220</a> mu = empiricalDistribution.getSampleStats().getMean(); -<a class="jxr_linenumber" name="L221" href="#L221">221</a> sigma = empiricalDistribution.getSampleStats().getStandardDeviation(); -<a class="jxr_linenumber" name="L222" href="#L222">222</a> } -<a class="jxr_linenumber" name="L223" href="#L223">223</a> -<a class="jxr_linenumber" name="L224" href="#L224">224</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L225" href="#L225">225</a> <em class="jxr_javadoccomment"> * Returns the data generation mode. See {@link ValueServer the class javadoc}</em> -<a class="jxr_linenumber" name="L226" href="#L226">226</a> <em class="jxr_javadoccomment"> * for description of the valid values of this property.</em> -<a class="jxr_linenumber" name="L227" href="#L227">227</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L228" href="#L228">228</a> <em class="jxr_javadoccomment"> * @return Value of property mode.</em> -<a class="jxr_linenumber" name="L229" href="#L229">229</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L230" href="#L230">230</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getMode() { -<a class="jxr_linenumber" name="L231" href="#L231">231</a> <strong class="jxr_keyword">return</strong> mode; -<a class="jxr_linenumber" name="L232" href="#L232">232</a> } -<a class="jxr_linenumber" name="L233" href="#L233">233</a> -<a class="jxr_linenumber" name="L234" href="#L234">234</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L235" href="#L235">235</a> <em class="jxr_javadoccomment"> * Sets the data generation mode.</em> -<a class="jxr_linenumber" name="L236" href="#L236">236</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L237" href="#L237">237</a> <em class="jxr_javadoccomment"> * @param mode New value of the data generation mode.</em> -<a class="jxr_linenumber" name="L238" href="#L238">238</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L239" href="#L239">239</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMode(<strong class="jxr_keyword">int</strong> mode) { -<a class="jxr_linenumber" name="L240" href="#L240">240</a> <strong class="jxr_keyword">this</strong>.mode = mode; -<a class="jxr_linenumber" name="L241" href="#L241">241</a> } -<a class="jxr_linenumber" name="L242" href="#L242">242</a> -<a class="jxr_linenumber" name="L243" href="#L243">243</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L244" href="#L244">244</a> <em class="jxr_javadoccomment"> * Returns the URL for the file used to build the empirical distribution</em> -<a class="jxr_linenumber" name="L245" href="#L245">245</a> <em class="jxr_javadoccomment"> * when using {@link #DIGEST_MODE}.</em> -<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L247" href="#L247">247</a> <em class="jxr_javadoccomment"> * @return Values file URL.</em> -<a class="jxr_linenumber" name="L248" href="#L248">248</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L249" href="#L249">249</a> <strong class="jxr_keyword">public</strong> URL getValuesFileURL() { -<a class="jxr_linenumber" name="L250" href="#L250">250</a> <strong class="jxr_keyword">return</strong> valuesFileURL; -<a class="jxr_linenumber" name="L251" href="#L251">251</a> } -<a class="jxr_linenumber" name="L252" href="#L252">252</a> -<a class="jxr_linenumber" name="L253" href="#L253">253</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L254" href="#L254">254</a> <em class="jxr_javadoccomment"> * Sets the {@link #getValuesFileURL() values file URL} using a string</em> -<a class="jxr_linenumber" name="L255" href="#L255">255</a> <em class="jxr_javadoccomment"> * URL representation.</em> -<a class="jxr_linenumber" name="L256" href="#L256">256</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L257" href="#L257">257</a> <em class="jxr_javadoccomment"> * @param url String representation for new valuesFileURL.</em> -<a class="jxr_linenumber" name="L258" href="#L258">258</a> <em class="jxr_javadoccomment"> * @throws MalformedURLException if url is not well formed</em> -<a class="jxr_linenumber" name="L259" href="#L259">259</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L260" href="#L260">260</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setValuesFileURL(String url) <strong class="jxr_keyword">throws</strong> MalformedURLException { -<a class="jxr_linenumber" name="L261" href="#L261">261</a> <strong class="jxr_keyword">this</strong>.valuesFileURL = <strong class="jxr_keyword">new</strong> URL(url); -<a class="jxr_linenumber" name="L262" href="#L262">262</a> } -<a class="jxr_linenumber" name="L263" href="#L263">263</a> -<a class="jxr_linenumber" name="L264" href="#L264">264</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L265" href="#L265">265</a> <em class="jxr_javadoccomment"> * Sets the the {@link #getValuesFileURL() values file URL}.</em> -<a class="jxr_linenumber" name="L266" href="#L266">266</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L267" href="#L267">267</a> <em class="jxr_javadoccomment"> * <p>The values file <i>must</i> be an ASCII text file containing one</em> -<a class="jxr_linenumber" name="L268" href="#L268">268</a> <em class="jxr_javadoccomment"> * valid numeric entry per line.</p></em> -<a class="jxr_linenumber" name="L269" href="#L269">269</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L270" href="#L270">270</a> <em class="jxr_javadoccomment"> * @param url URL of the values file.</em> -<a class="jxr_linenumber" name="L271" href="#L271">271</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L272" href="#L272">272</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setValuesFileURL(URL url) { -<a class="jxr_linenumber" name="L273" href="#L273">273</a> <strong class="jxr_keyword">this</strong>.valuesFileURL = url; -<a class="jxr_linenumber" name="L274" href="#L274">274</a> } -<a class="jxr_linenumber" name="L275" href="#L275">275</a> -<a class="jxr_linenumber" name="L276" href="#L276">276</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_javadoccomment"> * Returns the {@link EmpiricalDistribution} used when operating in {@value #DIGEST_MODE}.</em> -<a class="jxr_linenumber" name="L278" href="#L278">278</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L279" href="#L279">279</a> <em class="jxr_javadoccomment"> * @return EmpircalDistribution built by {@link #computeDistribution()}</em> -<a class="jxr_linenumber" name="L280" href="#L280">280</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L281" href="#L281">281</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/commons/math3/random/EmpiricalDistribution.html">EmpiricalDistribution</a> getEmpiricalDistribution() { -<a class="jxr_linenumber" name="L282" href="#L282">282</a> <strong class="jxr_keyword">return</strong> empiricalDistribution; -<a class="jxr_linenumber" name="L283" href="#L283">283</a> } -<a class="jxr_linenumber" name="L284" href="#L284">284</a> -<a class="jxr_linenumber" name="L285" href="#L285">285</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L286" href="#L286">286</a> <em class="jxr_javadoccomment"> * Resets REPLAY_MODE file pointer to the beginning of the <code>valuesFileURL</code>.</em> -<a class="jxr_linenumber" name="L287" href="#L287">287</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L288" href="#L288">288</a> <em class="jxr_javadoccomment"> * @throws IOException if an error occurs opening the file</em> -<a class="jxr_linenumber" name="L289" href="#L289">289</a> <em class="jxr_javadoccomment"> * @throws NullPointerException if the {@code valuesFileURL} has not been set.</em> -<a class="jxr_linenumber" name="L290" href="#L290">290</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L291" href="#L291">291</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> resetReplayFile() <strong class="jxr_keyword">throws</strong> IOException { -<a class="jxr_linenumber" name="L292" href="#L292">292</a> <strong class="jxr_keyword">if</strong> (filePointer != <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="L293" href="#L293">293</a> <strong class="jxr_keyword">try</strong> { -<a class="jxr_linenumber" name="L294" href="#L294">294</a> filePointer.close(); -<a class="jxr_linenumber" name="L295" href="#L295">295</a> filePointer = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="L296" href="#L296">296</a> } <strong class="jxr_keyword">catch</strong> (IOException ex) { <em class="jxr_comment">//NOPMD</em> -<a class="jxr_linenumber" name="L297" href="#L297">297</a> <em class="jxr_comment">// ignore</em> -<a class="jxr_linenumber" name="L298" href="#L298">298</a> } -<a class="jxr_linenumber" name="L299" href="#L299">299</a> } -<a class="jxr_linenumber" name="L300" href="#L300">300</a> filePointer = <strong class="jxr_keyword">new</strong> BufferedReader(<strong class="jxr_keyword">new</strong> InputStreamReader(valuesFileURL.openStream(), <span class="jxr_string">"UTF-8"</span>)); -<a class="jxr_linenumber" name="L301" href="#L301">301</a> } -<a class="jxr_linenumber" name="L302" href="#L302">302</a> -<a class="jxr_linenumber" name="L303" href="#L303">303</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L304" href="#L304">304</a> <em class="jxr_javadoccomment"> * Closes {@code valuesFileURL} after use in REPLAY_MODE.</em> -<a class="jxr_linenumber" name="L305" href="#L305">305</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L306" href="#L306">306</a> <em class="jxr_javadoccomment"> * @throws IOException if an error occurs closing the file</em> -<a class="jxr_linenumber" name="L307" href="#L307">307</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L308" href="#L308">308</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> closeReplayFile() <strong class="jxr_keyword">throws</strong> IOException { -<a class="jxr_linenumber" name="L309" href="#L309">309</a> <strong class="jxr_keyword">if</strong> (filePointer != <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="L310" href="#L310">310</a> filePointer.close(); -<a class="jxr_linenumber" name="L311" href="#L311">311</a> filePointer = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="L312" href="#L312">312</a> } -<a class="jxr_linenumber" name="L313" href="#L313">313</a> } -<a class="jxr_linenumber" name="L314" href="#L314">314</a> -<a class="jxr_linenumber" name="L315" href="#L315">315</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L316" href="#L316">316</a> <em class="jxr_javadoccomment"> * Returns the mean used when operating in {@link #GAUSSIAN_MODE}, {@link #EXPONENTIAL_MODE}</em> -<a class="jxr_linenumber" name="L317" href="#L317">317</a> <em class="jxr_javadoccomment"> * or {@link #UNIFORM_MODE}. When operating in {@link #CONSTANT_MODE}, this is the constant</em> -<a class="jxr_linenumber" name="L318" href="#L318">318</a> <em class="jxr_javadoccomment"> * value always returned. Calling {@link #computeDistribution()} sets this value to the</em> -<a class="jxr_linenumber" name="L319" href="#L319">319</a> <em class="jxr_javadoccomment"> * overall mean of the values in the {@link #getValuesFileURL() values file}.</em> -<a class="jxr_linenumber" name="L320" href="#L320">320</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L321" href="#L321">321</a> <em class="jxr_javadoccomment"> * @return Mean used in data generation.</em> -<a class="jxr_linenumber" name="L322" href="#L322">322</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L323" href="#L323">323</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong> getMu() { -<a class="jxr_linenumber" name="L324" href="#L324">324</a> <strong class="jxr_keyword">return</strong> mu; -<a class="jxr_linenumber" name="L325" href="#L325">325</a> } -<a class="jxr_linenumber" name="L326" href="#L326">326</a> -<a class="jxr_linenumber" name="L327" href="#L327">327</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L328" href="#L328">328</a> <em class="jxr_javadoccomment"> * Sets the {@link #getMu() mean} used in data generation. Note that calling this method</em> -<a class="jxr_linenumber" name="L329" href="#L329">329</a> <em class="jxr_javadoccomment"> * after {@link #computeDistribution()} has been called will have no effect on data</em> -<a class="jxr_linenumber" name="L330" href="#L330">330</a> <em class="jxr_javadoccomment"> * generated in {@link #DIGEST_MODE}.</em> -<a class="jxr_linenumber" name="L331" href="#L331">331</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L332" href="#L332">332</a> <em class="jxr_javadoccomment"> * @param mu new Mean value.</em> -<a class="jxr_linenumber" name="L333" href="#L333">333</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L334" href="#L334">334</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMu(<strong class="jxr_keyword">double</strong> mu) { -<a class="jxr_linenumber" name="L335" href="#L335">335</a> <strong class="jxr_keyword">this</strong>.mu = mu; -<a class="jxr_linenumber" name="L336" href="#L336">336</a> } -<a class="jxr_linenumber" name="L337" href="#L337">337</a> -<a class="jxr_linenumber" name="L338" href="#L338">338</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L339" href="#L339">339</a> <em class="jxr_javadoccomment"> * Returns the standard deviation used when operating in {@link #GAUSSIAN_MODE}.</em> -<a class="jxr_linenumber" name="L340" href="#L340">340</a> <em class="jxr_javadoccomment"> * Calling {@link #computeDistribution()} sets this value to the overall standard</em> -<a class="jxr_linenumber" name="L341" href="#L341">341</a> <em class="jxr_javadoccomment"> * deviation of the values in the {@link #getValuesFileURL() values file}. This</em> -<a class="jxr_linenumber" name="L342" href="#L342">342</a> <em class="jxr_javadoccomment"> * property has no effect when the data generation mode is not</em> -<a class="jxr_linenumber" name="L343" href="#L343">343</a> <em class="jxr_javadoccomment"> * {@link #GAUSSIAN_MODE}.</em> -<a class="jxr_linenumber" name="L344" href="#L344">344</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L345" href="#L345">345</a> <em class="jxr_javadoccomment"> * @return Standard deviation used when operating in {@link #GAUSSIAN_MODE}.</em> -<a class="jxr_linenumber" name="L346" href="#L346">346</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L347" href="#L347">347</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong> getSigma() { -<a class="jxr_linenumber" name="L348" href="#L348">348</a> <strong class="jxr_keyword">return</strong> sigma; -<a class="jxr_linenumber" name="L349" href="#L349">349</a> } -<a class="jxr_linenumber" name="L350" href="#L350">350</a> -<a class="jxr_linenumber" name="L351" href="#L351">351</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L352" href="#L352">352</a> <em class="jxr_javadoccomment"> * Sets the {@link #getSigma() standard deviation} used in {@link #GAUSSIAN_MODE}.</em> -<a class="jxr_linenumber" name="L353" href="#L353">353</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L354" href="#L354">354</a> <em class="jxr_javadoccomment"> * @param sigma New standard deviation.</em> -<a class="jxr_linenumber" name="L355" href="#L355">355</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L356" href="#L356">356</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setSigma(<strong class="jxr_keyword">double</strong> sigma) { -<a class="jxr_linenumber" name="L357" href="#L357">357</a> <strong class="jxr_keyword">this</strong>.sigma = sigma; -<a class="jxr_linenumber" name="L358" href="#L358">358</a> } -<a class="jxr_linenumber" name="L359" href="#L359">359</a> -<a class="jxr_linenumber" name="L360" href="#L360">360</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L361" href="#L361">361</a> <em class="jxr_javadoccomment"> * Reseeds the random data generator.</em> -<a class="jxr_linenumber" name="L362" href="#L362">362</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L363" href="#L363">363</a> <em class="jxr_javadoccomment"> * @param seed Value with which to reseed the {@link RandomDataImpl}</em> -<a class="jxr_linenumber" name="L364" href="#L364">364</a> <em class="jxr_javadoccomment"> * used to generate random data.</em> -<a class="jxr_linenumber" name="L365" href="#L365">365</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L366" href="#L366">366</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> reSeed(<strong class="jxr_keyword">long</strong> seed) { -<a class="jxr_linenumber" name="L367" href="#L367">367</a> randomData.reSeed(seed); -<a class="jxr_linenumber" name="L368" href="#L368">368</a> } -<a class="jxr_linenumber" name="L369" href="#L369">369</a> -<a class="jxr_linenumber" name="L370" href="#L370">370</a> <em class="jxr_comment">//------------- private methods ---------------------------------</em> -<a class="jxr_linenumber" name="L371" href="#L371">371</a> -<a class="jxr_linenumber" name="L372" href="#L372">372</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L373" href="#L373">373</a> <em class="jxr_javadoccomment"> * Gets a random value in DIGEST_MODE.</em> -<a class="jxr_linenumber" name="L374" href="#L374">374</a> <em class="jxr_javadoccomment"> * <p></em> -<a class="jxr_linenumber" name="L375" href="#L375">375</a> <em class="jxr_javadoccomment"> * <strong>Preconditions</strong>: <ul></em> -<a class="jxr_linenumber" name="L376" href="#L376">376</a> <em class="jxr_javadoccomment"> * <li>Before this method is called, <code>computeDistribution()</code></em> -<a class="jxr_linenumber" name="L377" href="#L377">377</a> <em class="jxr_javadoccomment"> * must have completed successfully; otherwise an</em> -<a class="jxr_linenumber" name="L378" href="#L378">378</a> <em class="jxr_javadoccomment"> * <code>IllegalStateException</code> will be thrown</li></ul></p></em> -<a class="jxr_linenumber" name="L379" href="#L379">379</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L380" href="#L380">380</a> <em class="jxr_javadoccomment"> * @return next random value from the empirical distribution digest</em> -<a class="jxr_linenumber" name="L381" href="#L381">381</a> <em class="jxr_javadoccomment"> * @throws MathIllegalStateException if digest has not been initialized</em> -<a class="jxr_linenumber" name="L382" href="#L382">382</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L383" href="#L383">383</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> getNextDigest() <strong class="jxr_keyword">throws</strong> MathIllegalStateException { -<a class="jxr_linenumber" name="L384" href="#L384">384</a> <strong class="jxr_keyword">if</strong> ((empiricalDistribution == <strong class="jxr_keyword">null</strong>) || -<a class="jxr_linenumber" name="L385" href="#L385">385</a> (empiricalDistribution.getBinStats().size() == 0)) { -<a class="jxr_linenumber" name="L386" href="#L386">386</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html">MathIllegalStateException</a>(LocalizedFormats.DIGEST_NOT_INITIALIZED); -<a class="jxr_linenumber" name="L387" href="#L387">387</a> } -<a class="jxr_linenumber" name="L388" href="#L388">388</a> <strong class="jxr_keyword">return</strong> empiricalDistribution.getNextValue(); -<a class="jxr_linenumber" name="L389" href="#L389">389</a> } -<a class="jxr_linenumber" name="L390" href="#L390">390</a> -<a class="jxr_linenumber" name="L391" href="#L391">391</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L392" href="#L392">392</a> <em class="jxr_javadoccomment"> * Gets next sequential value from the <code>valuesFileURL</code>.</em> -<a class="jxr_linenumber" name="L393" href="#L393">393</a> <em class="jxr_javadoccomment"> * <p></em> -<a class="jxr_linenumber" name="L394" href="#L394">394</a> <em class="jxr_javadoccomment"> * Throws an IOException if the read fails.</p></em> -<a class="jxr_linenumber" name="L395" href="#L395">395</a> <em class="jxr_javadoccomment"> * <p></em> -<a class="jxr_linenumber" name="L396" href="#L396">396</a> <em class="jxr_javadoccomment"> * This method will open the <code>valuesFileURL</code> if there is no</em> -<a class="jxr_linenumber" name="L397" href="#L397">397</a> <em class="jxr_javadoccomment"> * replay file open.</p></em> -<a class="jxr_linenumber" name="L398" href="#L398">398</a> <em class="jxr_javadoccomment"> * <p></em> -<a class="jxr_linenumber" name="L399" href="#L399">399</a> <em class="jxr_javadoccomment"> * The <code>valuesFileURL</code> will be closed and reopened to wrap around</em> -<a class="jxr_linenumber" name="L400" href="#L400">400</a> <em class="jxr_javadoccomment"> * from EOF to BOF if EOF is encountered. EOFException (which is a kind of</em> -<a class="jxr_linenumber" name="L401" href="#L401">401</a> <em class="jxr_javadoccomment"> * IOException) may still be thrown if the <code>valuesFileURL</code> is</em> -<a class="jxr_linenumber" name="L402" href="#L402">402</a> <em class="jxr_javadoccomment"> * empty.</p></em> -<a class="jxr_linenumber" name="L403" href="#L403">403</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L404" href="#L404">404</a> <em class="jxr_javadoccomment"> * @return next value from the replay file</em> -<a class="jxr_linenumber" name="L405" href="#L405">405</a> <em class="jxr_javadoccomment"> * @throws IOException if there is a problem reading from the file</em> -<a class="jxr_linenumber" name="L406" href="#L406">406</a> <em class="jxr_javadoccomment"> * @throws MathIllegalStateException if URL contains no data</em> -<a class="jxr_linenumber" name="L407" href="#L407">407</a> <em class="jxr_javadoccomment"> * @throws NumberFormatException if an invalid numeric string is</em> -<a class="jxr_linenumber" name="L408" href="#L408">408</a> <em class="jxr_javadoccomment"> * encountered in the file</em> -<a class="jxr_linenumber" name="L409" href="#L409">409</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L410" href="#L410">410</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> getNextReplay() <strong class="jxr_keyword">throws</strong> IOException, MathIllegalStateException { -<a class="jxr_linenumber" name="L411" href="#L411">411</a> String str = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="L412" href="#L412">412</a> <strong class="jxr_keyword">if</strong> (filePointer == <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="L413" href="#L413">413</a> resetReplayFile(); -<a class="jxr_linenumber" name="L414" href="#L414">414</a> } -<a class="jxr_linenumber" name="L415" href="#L415">415</a> <strong class="jxr_keyword">if</strong> ((str = filePointer.readLine()) == <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="L416" href="#L416">416</a> <em class="jxr_comment">// we have probably reached end of file, wrap around from EOF to BOF</em> -<a class="jxr_linenumber" name="L417" href="#L417">417</a> closeReplayFile(); -<a class="jxr_linenumber" name="L418" href="#L418">418</a> resetReplayFile(); -<a class="jxr_linenumber" name="L419" href="#L419">419</a> <strong class="jxr_keyword">if</strong> ((str = filePointer.readLine()) == <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="L420" href="#L420">420</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html">MathIllegalStateException</a>(LocalizedFormats.URL_CONTAINS_NO_DATA, -<a class="jxr_linenumber" name="L421" href="#L421">421</a> valuesFileURL); -<a class="jxr_linenumber" name="L422" href="#L422">422</a> } -<a class="jxr_linenumber" name="L423" href="#L423">423</a> } -<a class="jxr_linenumber" name="L424" href="#L424">424</a> <strong class="jxr_keyword">return</strong> Double.parseDouble(str); -<a class="jxr_linenumber" name="L425" href="#L425">425</a> } -<a class="jxr_linenumber" name="L426" href="#L426">426</a> -<a class="jxr_linenumber" name="L427" href="#L427">427</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L428" href="#L428">428</a> <em class="jxr_javadoccomment"> * Gets a uniformly distributed random value with mean = mu.</em> -<a class="jxr_linenumber" name="L429" href="#L429">429</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L430" href="#L430">430</a> <em class="jxr_javadoccomment"> * @return random uniform value</em> -<a class="jxr_linenumber" name="L431" href="#L431">431</a> <em class="jxr_javadoccomment"> * @throws MathIllegalArgumentException if the underlying random generator thwrows one</em> -<a class="jxr_linenumber" name="L432" href="#L432">432</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L433" href="#L433">433</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> getNextUniform() <strong class="jxr_keyword">throws</strong> MathIllegalArgumentException { -<a class="jxr_linenumber" name="L434" href="#L434">434</a> <strong class="jxr_keyword">return</strong> randomData.nextUniform(0, 2 * mu); -<a class="jxr_linenumber" name="L435" href="#L435">435</a> } -<a class="jxr_linenumber" name="L436" href="#L436">436</a> -<a class="jxr_linenumber" name="L437" href="#L437">437</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L438" href="#L438">438</a> <em class="jxr_javadoccomment"> * Gets an exponentially distributed random value with mean = mu.</em> -<a class="jxr_linenumber" name="L439" href="#L439">439</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L440" href="#L440">440</a> <em class="jxr_javadoccomment"> * @return random exponential value</em> -<a class="jxr_linenumber" name="L441" href="#L441">441</a> <em class="jxr_javadoccomment"> * @throws MathIllegalArgumentException if the underlying random generator thwrows one</em> -<a class="jxr_linenumber" name="L442" href="#L442">442</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L443" href="#L443">443</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> getNextExponential() <strong class="jxr_keyword">throws</strong> MathIllegalArgumentException { -<a class="jxr_linenumber" name="L444" href="#L444">444</a> <strong class="jxr_keyword">return</strong> randomData.nextExponential(mu); -<a class="jxr_linenumber" name="L445" href="#L445">445</a> } -<a class="jxr_linenumber" name="L446" href="#L446">446</a> -<a class="jxr_linenumber" name="L447" href="#L447">447</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L448" href="#L448">448</a> <em class="jxr_javadoccomment"> * Gets a Gaussian distributed random value with mean = mu</em> -<a class="jxr_linenumber" name="L449" href="#L449">449</a> <em class="jxr_javadoccomment"> * and standard deviation = sigma.</em> -<a class="jxr_linenumber" name="L450" href="#L450">450</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L451" href="#L451">451</a> <em class="jxr_javadoccomment"> * @return random Gaussian value</em> -<a class="jxr_linenumber" name="L452" href="#L452">452</a> <em class="jxr_javadoccomment"> * @throws MathIllegalArgumentException if the underlying random generator thwrows one</em> -<a class="jxr_linenumber" name="L453" href="#L453">453</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L454" href="#L454">454</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> getNextGaussian() <strong class="jxr_keyword">throws</strong> MathIllegalArgumentException { -<a class="jxr_linenumber" name="L455" href="#L455">455</a> <strong class="jxr_keyword">return</strong> randomData.nextGaussian(mu, sigma); -<a class="jxr_linenumber" name="L456" href="#L456">456</a> } -<a class="jxr_linenumber" name="L457" href="#L457">457</a> -<a class="jxr_linenumber" name="L458" href="#L458">458</a> } -</pre> -<hr/> -<div id="footer">Copyright © 2003–2016 <a href="http://www.apache.org/";>The Apache Software Foundation</a>. All rights reserved.</div> -</body> -</html>
http://git-wip-us.apache.org/repos/asf/commons-complex/blob/b3576eeb/site-content/.svn/pristine/06/062dd86811d0c988d237f713244486a39c052fc6.svn-base ---------------------------------------------------------------------- diff --git a/site-content/.svn/pristine/06/062dd86811d0c988d237f713244486a39c052fc6.svn-base b/site-content/.svn/pristine/06/062dd86811d0c988d237f713244486a39c052fc6.svn-base deleted file mode 100644 index 81545d7..0000000 --- a/site-content/.svn/pristine/06/062dd86811d0c988d237f713244486a39c052fc6.svn-base +++ /dev/null @@ -1,213 +0,0 @@ -<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";><html xmlns="http://www.w3.org/1999/xhtml"; lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../.resources/report.css" type="text/css"/><link rel="shortcut icon" href="../.resources/report.gif" type="image/gif"/><title>Logit.java</title><link rel="stylesheet" href="../.resources/prettify.css" type="text/css"/><script type="text/javascript" src="../.resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../.sessions.html" class="el_session">Sessions</a></span><a href="../index.html" class="el_report">Apache Commons Math</a> > <a href="index.source.html" class="el_package">org.apache.commons.math3.analysis.function</a> > <span class="el_source">Logit.java</span></div><h 1>Logit.java</h1><pre class="source lang-java linenums">/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.commons.math3.analysis.function; - -import org.apache.commons.math3.analysis.DifferentiableUnivariateFunction; -import org.apache.commons.math3.analysis.FunctionUtils; -import org.apache.commons.math3.analysis.ParametricUnivariateFunction; -import org.apache.commons.math3.analysis.UnivariateFunction; -import org.apache.commons.math3.analysis.differentiation.DerivativeStructure; -import org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableFunction; -import org.apache.commons.math3.exception.DimensionMismatchException; -import org.apache.commons.math3.exception.NullArgumentException; -import org.apache.commons.math3.exception.OutOfRangeException; -import org.apache.commons.math3.util.FastMath; - -/** - * <a href="http://en.wikipedia.org/wiki/Logit"> - * Logit</a> function. - * It is the inverse of the {@link Sigmoid sigmoid} function. - * - * @since 3.0 - */ -public class Logit implements UnivariateDifferentiableFunction, DifferentiableUnivariateFunction { - /** Lower bound. */ - private final double lo; - /** Higher bound. */ - private final double hi; - - /** - * Usual logit function, where the lower bound is 0 and the higher - * bound is 1. - */ - public Logit() { -<span class="nc" id="L49"> this(0, 1);</span> -<span class="nc" id="L50"> }</span> - - /** - * Logit function. - * - * @param lo Lower bound of the function domain. - * @param hi Higher bound of the function domain. - */ - public Logit(double lo, -<span class="fc" id="L59"> double hi) {</span> -<span class="fc" id="L60"> this.lo = lo;</span> -<span class="fc" id="L61"> this.hi = hi;</span> -<span class="fc" id="L62"> }</span> - - /** {@inheritDoc} */ - public double value(double x) - throws OutOfRangeException { -<span class="fc" id="L67"> return value(x, lo, hi);</span> - } - - /** {@inheritDoc} - * @deprecated as of 3.1, replaced by {@link #value(DerivativeStructure)} - */ - @Deprecated - public UnivariateFunction derivative() { -<span class="nc" id="L75"> return FunctionUtils.toDifferentiableUnivariateFunction(this).derivative();</span> - } - - /** - * Parametric function where the input array contains the parameters of - * the logit function, ordered as follows: - * <ul> - * <li>Lower bound</li> - * <li>Higher bound</li> - * </ul> - */ -<span class="fc" id="L86"> public static class Parametric implements ParametricUnivariateFunction {</span> - /** - * Computes the value of the logit at {@code x}. - * - * @param x Value for which the function must be computed. - * @param param Values of lower bound and higher bounds. - * @return the value of the function. - * @throws NullArgumentException if {@code param} is {@code null}. - * @throws DimensionMismatchException if the size of {@code param} is - * not 2. - */ - public double value(double x, double ... param) - throws NullArgumentException, - DimensionMismatchException { -<span class="fc" id="L100"> validateParameters(param);</span> -<span class="fc" id="L101"> return Logit.value(x, param[0], param[1]);</span> - } - - /** - * Computes the value of the gradient at {@code x}. - * The components of the gradient vector are the partial - * derivatives of the function with respect to each of the - * <em>parameters</em> (lower bound and higher bound). - * - * @param x Value at which the gradient must be computed. - * @param param Values for lower and higher bounds. - * @return the gradient vector at {@code x}. - * @throws NullArgumentException if {@code param} is {@code null}. - * @throws DimensionMismatchException if the size of {@code param} is - * not 2. - */ - public double[] gradient(double x, double ... param) - throws NullArgumentException, - DimensionMismatchException { -<span class="nc" id="L120"> validateParameters(param);</span> - -<span class="nc" id="L122"> final double lo = param[0];</span> -<span class="nc" id="L123"> final double hi = param[1];</span> - -<span class="nc" id="L125"> return new double[] { 1 / (lo - x), 1 / (hi - x) };</span> - } - - /** - * Validates parameters to ensure they are appropriate for the evaluation of - * the {@link #value(double,double[])} and {@link #gradient(double,double[])} - * methods. - * - * @param param Values for lower and higher bounds. - * @throws NullArgumentException if {@code param} is {@code null}. - * @throws DimensionMismatchException if the size of {@code param} is - * not 2. - */ - private void validateParameters(double[] param) - throws NullArgumentException, - DimensionMismatchException { -<span class="fc bfc" id="L141" title="All 2 branches covered."> if (param == null) {</span> -<span class="fc" id="L142"> throw new NullArgumentException();</span> - } -<span class="fc bfc" id="L144" title="All 2 branches covered."> if (param.length != 2) {</span> -<span class="fc" id="L145"> throw new DimensionMismatchException(param.length, 2);</span> - } -<span class="fc" id="L147"> }</span> - } - - /** - * @param x Value at which to compute the logit. - * @param lo Lower bound. - * @param hi Higher bound. - * @return the value of the logit function at {@code x}. - * @throws OutOfRangeException if {@code x < lo} or {@code x > hi}. - */ - private static double value(double x, - double lo, - double hi) - throws OutOfRangeException { -<span class="fc bfc" id="L161" title="All 4 branches covered."> if (x < lo || x > hi) {</span> -<span class="fc" id="L162"> throw new OutOfRangeException(x, lo, hi);</span> - } -<span class="fc" id="L164"> return FastMath.log((x - lo) / (hi - x));</span> - } - - /** {@inheritDoc} - * @since 3.1 - * @exception OutOfRangeException if parameter is outside of function domain - */ - public DerivativeStructure value(final DerivativeStructure t) - throws OutOfRangeException { -<span class="fc" id="L173"> final double x = t.getValue();</span> -<span class="fc bfc" id="L174" title="All 4 branches covered."> if (x < lo || x > hi) {</span> -<span class="fc" id="L175"> throw new OutOfRangeException(x, lo, hi);</span> - } -<span class="fc" id="L177"> double[] f = new double[t.getOrder() + 1];</span> - - // function value -<span class="fc" id="L180"> f[0] = FastMath.log((x - lo) / (hi - x));</span> - -<span class="fc bfc" id="L182" title="All 2 branches covered."> if (Double.isInfinite(f[0])) {</span> - -<span class="fc bfc" id="L184" title="All 2 branches covered."> if (f.length > 1) {</span> -<span class="fc" id="L185"> f[1] = Double.POSITIVE_INFINITY;</span> - } - // fill the array with infinities - // (for x close to lo the signs will flip between -inf and +inf, - // for x close to hi the signs will always be +inf) - // this is probably overkill, since the call to compose at the end - // of the method will transform most infinities into NaN ... -<span class="fc bfc" id="L192" title="All 2 branches covered."> for (int i = 2; i < f.length; ++i) {</span> -<span class="fc" id="L193"> f[i] = f[i - 2];</span> - } - - } else { - - // function derivatives -<span class="fc" id="L199"> final double invL = 1.0 / (x - lo);</span> -<span class="fc" id="L200"> double xL = invL;</span> -<span class="fc" id="L201"> final double invH = 1.0 / (hi - x);</span> -<span class="fc" id="L202"> double xH = invH;</span> -<span class="fc bfc" id="L203" title="All 2 branches covered."> for (int i = 1; i < f.length; ++i) {</span> -<span class="fc" id="L204"> f[i] = xL + xH;</span> -<span class="fc" id="L205"> xL *= -i * invL;</span> -<span class="fc" id="L206"> xH *= i * invH;</span> - } - } - -<span class="fc" id="L210"> return t.compose(f);</span> - } -} -</pre><div class="footer"><span class="right">Created with <a 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class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/optimization/general/GaussNewtonOptimizer.html" title="class in org.apache.commons.math3.optimization.general">GaussNewtonOptimizer</a></strong></code> -<div class="block"><strong>Deprecated.</strong> -<div class="block"><i>As of 3.1 (to be removed in 4.0).</i></div> -</div> -</td> -</tr> -<tr class="rowColor"> -<td class="colFirst"><code>class </code></td> -<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/optimization/general/LevenbergMarquardtOptimizer.html" title="class in org.apache.commons.math3.optimization.general">LevenbergMarquardtOptimizer</a></strong></code> -<div class="block"><strong>Deprecated.</strong> -<div class="block"><i>As of 3.1 (to be removed in 4.0).</i></div> -</div> -</td> -</tr> -</tbody> -</table> -</li> -</ul> -</li> -</ul> -</div> -<!-- ======= START OF BOTTOM NAVBAR ====== --> -<div class="bottomNav"><a name="navbar_bottom"> -<!-- 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