Added:
websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/analysis/interpolation/AkimaSplineInterpolatorTest.html
==============================================================================
---
websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/analysis/interpolation/AkimaSplineInterpolatorTest.html
(added)
+++
websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/analysis/interpolation/AkimaSplineInterpolatorTest.html
Sat Oct 18 20:10:38 2014
@@ -0,0 +1,299 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="fr">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css"
href="../../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software
Foundation (ASF) under one or more<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * contributor license agreements. See
the NOTICE file distributed with<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * this work for additional information
regarding copyright ownership.<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * The ASF licenses this file to You
under the Apache License, Version 2.0<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * (the "License"); you may not use this
file except in compliance with<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * the License. You may obtain a copy of
the License at<a name="line.7"></a>
+<span class="sourceLineNo">008</span> *<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *
http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * Unless required by applicable law or
agreed to in writing, software<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * distributed under the License is
distributed on an "AS IS" BASIS,<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied.<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * See the License for the specific
language governing permissions and<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * limitations under the License.<a
name="line.15"></a>
+<span class="sourceLineNo">016</span> */<a name="line.16"></a>
+<span class="sourceLineNo">017</span>package
org.apache.commons.math3.analysis.interpolation;<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>import
org.apache.commons.math3.analysis.UnivariateFunction;<a name="line.19"></a>
+<span class="sourceLineNo">020</span>import
org.apache.commons.math3.distribution.UniformRealDistribution;<a
name="line.20"></a>
+<span class="sourceLineNo">021</span>import
org.apache.commons.math3.exception.DimensionMismatchException;<a
name="line.21"></a>
+<span class="sourceLineNo">022</span>import
org.apache.commons.math3.exception.NonMonotonicSequenceException;<a
name="line.22"></a>
+<span class="sourceLineNo">023</span>import
org.apache.commons.math3.exception.NullArgumentException;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import
org.apache.commons.math3.exception.NumberIsTooSmallException;<a
name="line.24"></a>
+<span class="sourceLineNo">025</span>import
org.apache.commons.math3.random.RandomGenerator;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import
org.apache.commons.math3.random.Well19937c;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import
org.apache.commons.math3.util.FastMath;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import
org.apache.commons.math3.util.Precision;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.junit.Assert;<a
name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.junit.Test;<a
name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span>import static org.junit.Assert.*;<a
name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>public class
AkimaSplineInterpolatorTest<a name="line.34"></a>
+<span class="sourceLineNo">035</span>{<a name="line.35"></a>
+<span class="sourceLineNo">036</span><a name="line.36"></a>
+<span class="sourceLineNo">037</span> @Test<a name="line.37"></a>
+<span class="sourceLineNo">038</span> public void testIllegalArguments()<a
name="line.38"></a>
+<span class="sourceLineNo">039</span> {<a name="line.39"></a>
+<span class="sourceLineNo">040</span> // Data set arrays of different
size.<a name="line.40"></a>
+<span class="sourceLineNo">041</span> UnivariateInterpolator i = new
AkimaSplineInterpolator();<a name="line.41"></a>
+<span class="sourceLineNo">042</span><a name="line.42"></a>
+<span class="sourceLineNo">043</span> try<a name="line.43"></a>
+<span class="sourceLineNo">044</span> {<a name="line.44"></a>
+<span class="sourceLineNo">045</span> double yval[] = { 0.0, 1.0,
2.0, 3.0, 4.0 };<a name="line.45"></a>
+<span class="sourceLineNo">046</span> i.interpolate( null, yval
);<a name="line.46"></a>
+<span class="sourceLineNo">047</span> Assert.fail( "Failed to
detect x null pointer" );<a name="line.47"></a>
+<span class="sourceLineNo">048</span> }<a name="line.48"></a>
+<span class="sourceLineNo">049</span> catch ( NullArgumentException iae
)<a name="line.49"></a>
+<span class="sourceLineNo">050</span> {<a name="line.50"></a>
+<span class="sourceLineNo">051</span> // Expected.<a
name="line.51"></a>
+<span class="sourceLineNo">052</span> }<a name="line.52"></a>
+<span class="sourceLineNo">053</span><a name="line.53"></a>
+<span class="sourceLineNo">054</span> try<a name="line.54"></a>
+<span class="sourceLineNo">055</span> {<a name="line.55"></a>
+<span class="sourceLineNo">056</span> double xval[] = { 0.0, 1.0,
2.0, 3.0, 4.0 };<a name="line.56"></a>
+<span class="sourceLineNo">057</span> i.interpolate( xval, null
);<a name="line.57"></a>
+<span class="sourceLineNo">058</span> Assert.fail( "Failed to
detect y null pointer" );<a name="line.58"></a>
+<span class="sourceLineNo">059</span> }<a name="line.59"></a>
+<span class="sourceLineNo">060</span> catch ( NullArgumentException iae
)<a name="line.60"></a>
+<span class="sourceLineNo">061</span> {<a name="line.61"></a>
+<span class="sourceLineNo">062</span> // Expected.<a
name="line.62"></a>
+<span class="sourceLineNo">063</span> }<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span> try<a name="line.65"></a>
+<span class="sourceLineNo">066</span> {<a name="line.66"></a>
+<span class="sourceLineNo">067</span> double xval[] = { 0.0, 1.0,
2.0, 3.0 };<a name="line.67"></a>
+<span class="sourceLineNo">068</span> double yval[] = { 0.0, 1.0,
2.0, 3.0 };<a name="line.68"></a>
+<span class="sourceLineNo">069</span> i.interpolate( xval, yval
);<a name="line.69"></a>
+<span class="sourceLineNo">070</span> Assert.fail( "Failed to
detect insufficient data" );<a name="line.70"></a>
+<span class="sourceLineNo">071</span> }<a name="line.71"></a>
+<span class="sourceLineNo">072</span> catch ( NumberIsTooSmallException
iae )<a name="line.72"></a>
+<span class="sourceLineNo">073</span> {<a name="line.73"></a>
+<span class="sourceLineNo">074</span> // Expected.<a
name="line.74"></a>
+<span class="sourceLineNo">075</span> }<a name="line.75"></a>
+<span class="sourceLineNo">076</span><a name="line.76"></a>
+<span class="sourceLineNo">077</span> try<a name="line.77"></a>
+<span class="sourceLineNo">078</span> {<a name="line.78"></a>
+<span class="sourceLineNo">079</span> double xval[] = { 0.0, 1.0,
2.0, 3.0, 4.0 };<a name="line.79"></a>
+<span class="sourceLineNo">080</span> double yval[] = { 0.0, 1.0,
2.0, 3.0, 4.0, 5.0 };<a name="line.80"></a>
+<span class="sourceLineNo">081</span> i.interpolate( xval, yval
);<a name="line.81"></a>
+<span class="sourceLineNo">082</span> Assert.fail( "Failed to
detect data set array with different sizes." );<a name="line.82"></a>
+<span class="sourceLineNo">083</span> }<a name="line.83"></a>
+<span class="sourceLineNo">084</span> catch (
DimensionMismatchException iae )<a name="line.84"></a>
+<span class="sourceLineNo">085</span> {<a name="line.85"></a>
+<span class="sourceLineNo">086</span> // Expected.<a
name="line.86"></a>
+<span class="sourceLineNo">087</span> }<a name="line.87"></a>
+<span class="sourceLineNo">088</span><a name="line.88"></a>
+<span class="sourceLineNo">089</span> // X values not sorted.<a
name="line.89"></a>
+<span class="sourceLineNo">090</span> try<a name="line.90"></a>
+<span class="sourceLineNo">091</span> {<a name="line.91"></a>
+<span class="sourceLineNo">092</span> double xval[] = { 0.0, 1.0,
0.5, 7.0, 3.5, 2.2, 8.0 };<a name="line.92"></a>
+<span class="sourceLineNo">093</span> double yval[] = { 0.0, 1.0,
2.0, 3.0, 4.0, 5.0, 6.0 };<a name="line.93"></a>
+<span class="sourceLineNo">094</span> i.interpolate( xval, yval
);<a name="line.94"></a>
+<span class="sourceLineNo">095</span> Assert.fail( "Failed to
detect unsorted arguments." );<a name="line.95"></a>
+<span class="sourceLineNo">096</span> }<a name="line.96"></a>
+<span class="sourceLineNo">097</span> catch (
NonMonotonicSequenceException iae )<a name="line.97"></a>
+<span class="sourceLineNo">098</span> {<a name="line.98"></a>
+<span class="sourceLineNo">099</span> // Expected.<a
name="line.99"></a>
+<span class="sourceLineNo">100</span> }<a name="line.100"></a>
+<span class="sourceLineNo">101</span> }<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span> /*<a name="line.103"></a>
+<span class="sourceLineNo">104</span> * Interpolate a straight line.
<p> y = 2 x - 5 <p> Tolerances determined by performing same
calculation using<a name="line.104"></a>
+<span class="sourceLineNo">105</span> * Math.NET over ten runs of 100
random number draws for the same function over the same span with the same
number<a name="line.105"></a>
+<span class="sourceLineNo">106</span> * of elements<a name="line.106"></a>
+<span class="sourceLineNo">107</span> */<a name="line.107"></a>
+<span class="sourceLineNo">108</span> @Test<a name="line.108"></a>
+<span class="sourceLineNo">109</span> public void testInterpolateLine()<a
name="line.109"></a>
+<span class="sourceLineNo">110</span> {<a name="line.110"></a>
+<span class="sourceLineNo">111</span> final int numberOfElements =
10;<a name="line.111"></a>
+<span class="sourceLineNo">112</span> final double minimumX = -10;<a
name="line.112"></a>
+<span class="sourceLineNo">113</span> final double maximumX = 10;<a
name="line.113"></a>
+<span class="sourceLineNo">114</span> final int numberOfSamples =
100;<a name="line.114"></a>
+<span class="sourceLineNo">115</span> final double
interpolationTolerance = 1e-15;<a name="line.115"></a>
+<span class="sourceLineNo">116</span> final double maxTolerance =
1e-15;<a name="line.116"></a>
+<span class="sourceLineNo">117</span><a name="line.117"></a>
+<span class="sourceLineNo">118</span> UnivariateFunction f = new
UnivariateFunction()<a name="line.118"></a>
+<span class="sourceLineNo">119</span> {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> public double value( double x
)<a name="line.120"></a>
+<span class="sourceLineNo">121</span> {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> return 2 * x - 5;<a
name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span> };<a name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span> testInterpolation( minimumX,
maximumX, numberOfElements, numberOfSamples, f, interpolationTolerance,<a
name="line.126"></a>
+<span class="sourceLineNo">127</span> maxTolerance
);<a name="line.127"></a>
+<span class="sourceLineNo">128</span> }<a name="line.128"></a>
+<span class="sourceLineNo">129</span><a name="line.129"></a>
+<span class="sourceLineNo">130</span> /*<a name="line.130"></a>
+<span class="sourceLineNo">131</span> * Interpolate a straight line.
<p> y = 3 x<sup>2</sup> - 5 x + 7 <p> Tolerances
determined by performing same<a name="line.131"></a>
+<span class="sourceLineNo">132</span> * calculation using Math.NET over
ten runs of 100 random number draws for the same function over the same span
with<a name="line.132"></a>
+<span class="sourceLineNo">133</span> * the same number of elements<a
name="line.133"></a>
+<span class="sourceLineNo">134</span> */<a name="line.134"></a>
+<span class="sourceLineNo">135</span><a name="line.135"></a>
+<span class="sourceLineNo">136</span> @Test<a name="line.136"></a>
+<span class="sourceLineNo">137</span> public void
testInterpolateParabola()<a name="line.137"></a>
+<span class="sourceLineNo">138</span> {<a name="line.138"></a>
+<span class="sourceLineNo">139</span> final int numberOfElements =
10;<a name="line.139"></a>
+<span class="sourceLineNo">140</span> final double minimumX = -10;<a
name="line.140"></a>
+<span class="sourceLineNo">141</span> final double maximumX = 10;<a
name="line.141"></a>
+<span class="sourceLineNo">142</span> final int numberOfSamples =
100;<a name="line.142"></a>
+<span class="sourceLineNo">143</span> final double
interpolationTolerance = 7e-15;<a name="line.143"></a>
+<span class="sourceLineNo">144</span> final double maxTolerance =
6e-14;<a name="line.144"></a>
+<span class="sourceLineNo">145</span><a name="line.145"></a>
+<span class="sourceLineNo">146</span> UnivariateFunction f = new
UnivariateFunction()<a name="line.146"></a>
+<span class="sourceLineNo">147</span> {<a name="line.147"></a>
+<span class="sourceLineNo">148</span> public double value( double x
)<a name="line.148"></a>
+<span class="sourceLineNo">149</span> {<a name="line.149"></a>
+<span class="sourceLineNo">150</span> return ( 3 * x * x ) - (
5 * x ) + 7;<a name="line.150"></a>
+<span class="sourceLineNo">151</span> }<a name="line.151"></a>
+<span class="sourceLineNo">152</span> };<a name="line.152"></a>
+<span class="sourceLineNo">153</span><a name="line.153"></a>
+<span class="sourceLineNo">154</span> testInterpolation( minimumX,
maximumX, numberOfElements, numberOfSamples, f, interpolationTolerance,<a
name="line.154"></a>
+<span class="sourceLineNo">155</span> maxTolerance
);<a name="line.155"></a>
+<span class="sourceLineNo">156</span> }<a name="line.156"></a>
+<span class="sourceLineNo">157</span><a name="line.157"></a>
+<span class="sourceLineNo">158</span> /*<a name="line.158"></a>
+<span class="sourceLineNo">159</span> * Interpolate a straight line.
<p> y = 3 x<sup>3</sup> - 0.5 x<sup>2</sup> + x -
1 <p> Tolerances determined by<a name="line.159"></a>
+<span class="sourceLineNo">160</span> * performing same calculation using
Math.NET over ten runs of 100 random number draws for the same function over<a
name="line.160"></a>
+<span class="sourceLineNo">161</span> * the same span with the same number
of elements<a name="line.161"></a>
+<span class="sourceLineNo">162</span> */<a name="line.162"></a>
+<span class="sourceLineNo">163</span> @Test<a name="line.163"></a>
+<span class="sourceLineNo">164</span> public void testInterpolateCubic()<a
name="line.164"></a>
+<span class="sourceLineNo">165</span> {<a name="line.165"></a>
+<span class="sourceLineNo">166</span> final int numberOfElements =
10;<a name="line.166"></a>
+<span class="sourceLineNo">167</span> final double minimumX = -3;<a
name="line.167"></a>
+<span class="sourceLineNo">168</span> final double maximumX = 3;<a
name="line.168"></a>
+<span class="sourceLineNo">169</span> final int numberOfSamples =
100;<a name="line.169"></a>
+<span class="sourceLineNo">170</span> final double
interpolationTolerance = 0.37;<a name="line.170"></a>
+<span class="sourceLineNo">171</span> final double maxTolerance =
3.8;<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> UnivariateFunction f = new
UnivariateFunction()<a name="line.173"></a>
+<span class="sourceLineNo">174</span> {<a name="line.174"></a>
+<span class="sourceLineNo">175</span> public double value( double x
)<a name="line.175"></a>
+<span class="sourceLineNo">176</span> {<a name="line.176"></a>
+<span class="sourceLineNo">177</span> return ( 3 * x * x * x )
- ( 0.5 * x * x ) + ( 1 * x ) - 1;<a name="line.177"></a>
+<span class="sourceLineNo">178</span> }<a name="line.178"></a>
+<span class="sourceLineNo">179</span> };<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span> testInterpolation( minimumX,
maximumX, numberOfElements, numberOfSamples, f, interpolationTolerance,<a
name="line.181"></a>
+<span class="sourceLineNo">182</span> maxTolerance
);<a name="line.182"></a>
+<span class="sourceLineNo">183</span> }<a name="line.183"></a>
+<span class="sourceLineNo">184</span><a name="line.184"></a>
+<span class="sourceLineNo">185</span> private void testInterpolation(
double minimumX, double maximumX, int numberOfElements, int numberOfSamples,<a
name="line.185"></a>
+<span class="sourceLineNo">186</span>
UnivariateFunction f, double tolerance, double maxTolerance )<a
name="line.186"></a>
+<span class="sourceLineNo">187</span> {<a name="line.187"></a>
+<span class="sourceLineNo">188</span> double expected;<a
name="line.188"></a>
+<span class="sourceLineNo">189</span> double actual;<a
name="line.189"></a>
+<span class="sourceLineNo">190</span> double currentX;<a
name="line.190"></a>
+<span class="sourceLineNo">191</span> final double delta = ( maximumX -
minimumX ) / ( (double) numberOfElements );<a name="line.191"></a>
+<span class="sourceLineNo">192</span> double xValues[] = new
double[numberOfElements];<a name="line.192"></a>
+<span class="sourceLineNo">193</span> double yValues[] = new
double[numberOfElements];<a name="line.193"></a>
+<span class="sourceLineNo">194</span><a name="line.194"></a>
+<span class="sourceLineNo">195</span> for ( int i = 0; i <
numberOfElements; i++ )<a name="line.195"></a>
+<span class="sourceLineNo">196</span> {<a name="line.196"></a>
+<span class="sourceLineNo">197</span> xValues[i] = minimumX + delta
* (double) i;<a name="line.197"></a>
+<span class="sourceLineNo">198</span> yValues[i] = f.value(
xValues[i] );<a name="line.198"></a>
+<span class="sourceLineNo">199</span> }<a name="line.199"></a>
+<span class="sourceLineNo">200</span><a name="line.200"></a>
+<span class="sourceLineNo">201</span> UnivariateFunction interpolation
= new AkimaSplineInterpolator().interpolate( xValues, yValues );<a
name="line.201"></a>
+<span class="sourceLineNo">202</span><a name="line.202"></a>
+<span class="sourceLineNo">203</span> for ( int i = 0; i <
numberOfElements; i++ )<a name="line.203"></a>
+<span class="sourceLineNo">204</span> {<a name="line.204"></a>
+<span class="sourceLineNo">205</span> currentX = xValues[i];<a
name="line.205"></a>
+<span class="sourceLineNo">206</span> expected = f.value( currentX
);<a name="line.206"></a>
+<span class="sourceLineNo">207</span> actual = interpolation.value(
currentX );<a name="line.207"></a>
+<span class="sourceLineNo">208</span> assertTrue( Precision.equals(
expected, actual ) );<a name="line.208"></a>
+<span class="sourceLineNo">209</span> }<a name="line.209"></a>
+<span class="sourceLineNo">210</span><a name="line.210"></a>
+<span class="sourceLineNo">211</span> final RandomGenerator rng = new
Well19937c( 1234567L ); // "tol" depends on the seed.<a name="line.211"></a>
+<span class="sourceLineNo">212</span> final UniformRealDistribution
distX =<a name="line.212"></a>
+<span class="sourceLineNo">213</span> new UniformRealDistribution(
rng, xValues[0], xValues[xValues.length - 1] );<a name="line.213"></a>
+<span class="sourceLineNo">214</span><a name="line.214"></a>
+<span class="sourceLineNo">215</span> double sumError = 0;<a
name="line.215"></a>
+<span class="sourceLineNo">216</span> for ( int i = 0; i <
numberOfSamples; i++ )<a name="line.216"></a>
+<span class="sourceLineNo">217</span> {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> currentX = distX.sample();<a
name="line.218"></a>
+<span class="sourceLineNo">219</span> expected = f.value( currentX
);<a name="line.219"></a>
+<span class="sourceLineNo">220</span> actual = interpolation.value(
currentX );<a name="line.220"></a>
+<span class="sourceLineNo">221</span> sumError += FastMath.abs(
actual - expected );<a name="line.221"></a>
+<span class="sourceLineNo">222</span> assertEquals( expected,
actual, maxTolerance );<a name="line.222"></a>
+<span class="sourceLineNo">223</span> }<a name="line.223"></a>
+<span class="sourceLineNo">224</span><a name="line.224"></a>
+<span class="sourceLineNo">225</span> assertEquals( 0.0, ( sumError /
(double) numberOfSamples ), tolerance );<a name="line.225"></a>
+<span class="sourceLineNo">226</span> }<a name="line.226"></a>
+<span class="sourceLineNo">227</span>}<a name="line.227"></a>
+
+
+
+
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+</pre>
+</div>
+</body>
+</html>
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="fr">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css"
title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software
Foundation (ASF) under one or more<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * contributor license agreements. See
the NOTICE file distributed with<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * this work for additional information
regarding copyright ownership.<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * The ASF licenses this file to You
under the Apache License, Version 2.0<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * (the "License"); you may not use this
file except in compliance with<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * the License. You may obtain a copy of
the License at<a name="line.7"></a>
+<span class="sourceLineNo">008</span> *<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *
http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * Unless required by applicable law or
agreed to in writing, software<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * distributed under the License is
distributed on an "AS IS" BASIS,<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied.<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * See the License for the specific
language governing permissions and<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * limitations under the License.<a
name="line.15"></a>
+<span class="sourceLineNo">016</span> */<a name="line.16"></a>
+<span class="sourceLineNo">017</span><a name="line.17"></a>
+<span class="sourceLineNo">018</span>package
org.apache.commons.math3.distribution;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import org.junit.Assert;<a
name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.junit.Test;<a
name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * Test cases for
ConstantRealDistribution.<a name="line.24"></a>
+<span class="sourceLineNo">025</span> */<a name="line.25"></a>
+<span class="sourceLineNo">026</span>public class ConstantRealDistributionTest
extends RealDistributionAbstractTest {<a name="line.26"></a>
+<span class="sourceLineNo">027</span><a name="line.27"></a>
+<span class="sourceLineNo">028</span> // --- Override tolerance
-------------------------------------------------<a name="line.28"></a>
+<span class="sourceLineNo">029</span><a name="line.29"></a>
+<span class="sourceLineNo">030</span> @Override<a name="line.30"></a>
+<span class="sourceLineNo">031</span> public void setUp() {<a
name="line.31"></a>
+<span class="sourceLineNo">032</span> super.setUp();<a
name="line.32"></a>
+<span class="sourceLineNo">033</span> setTolerance(0);<a
name="line.33"></a>
+<span class="sourceLineNo">034</span> }<a name="line.34"></a>
+<span class="sourceLineNo">035</span><a name="line.35"></a>
+<span class="sourceLineNo">036</span> //--- Implementations for abstract
methods --------------------------------<a name="line.36"></a>
+<span class="sourceLineNo">037</span><a name="line.37"></a>
+<span class="sourceLineNo">038</span> /** Creates the default uniform real
distribution instance to use in tests. */<a name="line.38"></a>
+<span class="sourceLineNo">039</span> @Override<a name="line.39"></a>
+<span class="sourceLineNo">040</span> public ConstantRealDistribution
makeDistribution() {<a name="line.40"></a>
+<span class="sourceLineNo">041</span> return new
ConstantRealDistribution(1);<a name="line.41"></a>
+<span class="sourceLineNo">042</span> }<a name="line.42"></a>
+<span class="sourceLineNo">043</span><a name="line.43"></a>
+<span class="sourceLineNo">044</span> /** Creates the default cumulative
probability distribution test input values */<a name="line.44"></a>
+<span class="sourceLineNo">045</span> @Override<a name="line.45"></a>
+<span class="sourceLineNo">046</span> public double[]
makeCumulativeTestPoints() {<a name="line.46"></a>
+<span class="sourceLineNo">047</span> return new double[] {0, 0.5,
1};<a name="line.47"></a>
+<span class="sourceLineNo">048</span> }<a name="line.48"></a>
+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span> /** Creates the default cumulative
probability distribution test expected values */<a name="line.50"></a>
+<span class="sourceLineNo">051</span> @Override<a name="line.51"></a>
+<span class="sourceLineNo">052</span> public double[]
makeCumulativeTestValues() {<a name="line.52"></a>
+<span class="sourceLineNo">053</span> return new double[] {0, 0, 1};<a
name="line.53"></a>
+<span class="sourceLineNo">054</span> }<a name="line.54"></a>
+<span class="sourceLineNo">055</span><a name="line.55"></a>
+<span class="sourceLineNo">056</span> /** Creates the default probability
density test expected values */<a name="line.56"></a>
+<span class="sourceLineNo">057</span> @Override<a name="line.57"></a>
+<span class="sourceLineNo">058</span> public double[]
makeDensityTestValues() {<a name="line.58"></a>
+<span class="sourceLineNo">059</span> return new double[] {0, 0, 1};<a
name="line.59"></a>
+<span class="sourceLineNo">060</span> }<a name="line.60"></a>
+<span class="sourceLineNo">061</span> <a name="line.61"></a>
+<span class="sourceLineNo">062</span> /** Override default test, verifying
that inverse cum is constant */<a name="line.62"></a>
+<span class="sourceLineNo">063</span> @Override<a name="line.63"></a>
+<span class="sourceLineNo">064</span> @Test<a name="line.64"></a>
+<span class="sourceLineNo">065</span> public void
testInverseCumulativeProbabilities() {<a name="line.65"></a>
+<span class="sourceLineNo">066</span> RealDistribution dist =
getDistribution();<a name="line.66"></a>
+<span class="sourceLineNo">067</span> for (double x :
getCumulativeTestValues()) {<a name="line.67"></a>
+<span class="sourceLineNo">068</span>
Assert.assertEquals(1,dist.inverseCumulativeProbability(x), 0);<a
name="line.68"></a>
+<span class="sourceLineNo">069</span> }<a name="line.69"></a>
+<span class="sourceLineNo">070</span> }<a name="line.70"></a>
+<span class="sourceLineNo">071</span><a name="line.71"></a>
+<span class="sourceLineNo">072</span> //--- Additional test cases
-----------------------------------------------<a name="line.72"></a>
+<span class="sourceLineNo">073</span><a name="line.73"></a>
+<span class="sourceLineNo">074</span> @Test<a name="line.74"></a>
+<span class="sourceLineNo">075</span> public void testMeanVariance() {<a
name="line.75"></a>
+<span class="sourceLineNo">076</span> ConstantRealDistribution dist;<a
name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span> dist = new
ConstantRealDistribution(-1);<a name="line.78"></a>
+<span class="sourceLineNo">079</span>
Assert.assertEquals(dist.getNumericalMean(), -1, 0d);<a name="line.79"></a>
+<span class="sourceLineNo">080</span>
Assert.assertEquals(dist.getNumericalVariance(), 0, 0d);<a name="line.80"></a>
+<span class="sourceLineNo">081</span> }<a name="line.81"></a>
+<span class="sourceLineNo">082</span><a name="line.82"></a>
+<span class="sourceLineNo">083</span> @Test<a name="line.83"></a>
+<span class="sourceLineNo">084</span> public void testSampling() {<a
name="line.84"></a>
+<span class="sourceLineNo">085</span> ConstantRealDistribution dist =
new ConstantRealDistribution(0);<a name="line.85"></a>
+<span class="sourceLineNo">086</span> for (int i = 0; i < 10; i++)
{<a name="line.86"></a>
+<span class="sourceLineNo">087</span> Assert.assertEquals(0,
dist.sample(), 0);<a name="line.87"></a>
+<span class="sourceLineNo">088</span> }<a name="line.88"></a>
+<span class="sourceLineNo">089</span> <a name="line.89"></a>
+<span class="sourceLineNo">090</span> }<a name="line.90"></a>
+<span class="sourceLineNo">091</span>}<a name="line.91"></a>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+</pre>
+</div>
+</body>
+</html>
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@@ -0,0 +1,143 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="fr">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css"
title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software
Foundation (ASF) under one or more<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * contributor license agreements. See
the NOTICE file distributed with<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * this work for additional information
regarding copyright ownership.<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * The ASF licenses this file to You
under the Apache License, Version 2.0<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * (the "License"); you may not use this
file except in compliance with<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * the License. You may obtain a copy of
the License at<a name="line.7"></a>
+<span class="sourceLineNo">008</span> *<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *
http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * Unless required by applicable law or
agreed to in writing, software<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * distributed under the License is
distributed on an "AS IS" BASIS,<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied.<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * See the License for the specific
language governing permissions and<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * limitations under the License.<a
name="line.15"></a>
+<span class="sourceLineNo">016</span> */<a name="line.16"></a>
+<span class="sourceLineNo">017</span>package
org.apache.commons.math3.distribution;<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>import
org.apache.commons.math3.util.Precision;<a name="line.19"></a>
+<span class="sourceLineNo">020</span>import org.junit.Assert;<a
name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.junit.Test;<a
name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * Test cases for GumbelDistribution.<a
name="line.24"></a>
+<span class="sourceLineNo">025</span> */<a name="line.25"></a>
+<span class="sourceLineNo">026</span>public class GumbelDistributionTest
extends RealDistributionAbstractTest {<a name="line.26"></a>
+<span class="sourceLineNo">027</span><a name="line.27"></a>
+<span class="sourceLineNo">028</span> @Test<a name="line.28"></a>
+<span class="sourceLineNo">029</span> public void testParameters() {<a
name="line.29"></a>
+<span class="sourceLineNo">030</span> GumbelDistribution d =
makeDistribution();<a name="line.30"></a>
+<span class="sourceLineNo">031</span> Assert.assertEquals(0.5,
d.getLocation(), Precision.EPSILON);<a name="line.31"></a>
+<span class="sourceLineNo">032</span> Assert.assertEquals(2,
d.getScale(), Precision.EPSILON);<a name="line.32"></a>
+<span class="sourceLineNo">033</span> }<a name="line.33"></a>
+<span class="sourceLineNo">034</span><a name="line.34"></a>
+<span class="sourceLineNo">035</span> @Test<a name="line.35"></a>
+<span class="sourceLineNo">036</span> public void testSupport() {<a
name="line.36"></a>
+<span class="sourceLineNo">037</span> GumbelDistribution d =
makeDistribution();<a name="line.37"></a>
+<span class="sourceLineNo">038</span>
Assert.assertTrue(Double.isInfinite(d.getSupportLowerBound()));<a
name="line.38"></a>
+<span class="sourceLineNo">039</span>
Assert.assertTrue(Double.isInfinite(d.getSupportUpperBound()));<a
name="line.39"></a>
+<span class="sourceLineNo">040</span>
Assert.assertTrue(d.isSupportConnected());<a name="line.40"></a>
+<span class="sourceLineNo">041</span> }<a name="line.41"></a>
+<span class="sourceLineNo">042</span><a name="line.42"></a>
+<span class="sourceLineNo">043</span> @Override<a name="line.43"></a>
+<span class="sourceLineNo">044</span> public GumbelDistribution
makeDistribution() {<a name="line.44"></a>
+<span class="sourceLineNo">045</span> return new
GumbelDistribution(0.5, 2);<a name="line.45"></a>
+<span class="sourceLineNo">046</span> }<a name="line.46"></a>
+<span class="sourceLineNo">047</span><a name="line.47"></a>
+<span class="sourceLineNo">048</span> @Override<a name="line.48"></a>
+<span class="sourceLineNo">049</span> public double[]
makeCumulativeTestPoints() {<a name="line.49"></a>
+<span class="sourceLineNo">050</span> return new double[] {<a
name="line.50"></a>
+<span class="sourceLineNo">051</span> -5, -4, -3, -2, -1, 0, 1, 2,
3, 4, 5<a name="line.51"></a>
+<span class="sourceLineNo">052</span> };<a name="line.52"></a>
+<span class="sourceLineNo">053</span> }<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> @Override<a name="line.55"></a>
+<span class="sourceLineNo">056</span> public double[]
makeDensityTestValues() {<a name="line.56"></a>
+<span class="sourceLineNo">057</span> return new double[] {<a
name="line.57"></a>
+<span class="sourceLineNo">058</span> 1.258262e-06, 3.594689e-04,
9.115766e-03, 5.321100e-02, 1.274352e-01, 1.777864e-01,<a name="line.58"></a>
+<span class="sourceLineNo">059</span> 1.787177e-01, 1.472662e-01,
1.075659e-01, 7.302736e-02, 4.742782e-02<a name="line.59"></a>
+<span class="sourceLineNo">060</span> };<a name="line.60"></a>
+<span class="sourceLineNo">061</span> }<a name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span> @Override<a name="line.63"></a>
+<span class="sourceLineNo">064</span> public double[]
makeCumulativeTestValues() {<a name="line.64"></a>
+<span class="sourceLineNo">065</span> return new double[] {<a
name="line.65"></a>
+<span class="sourceLineNo">066</span> 1.608760e-07, 7.577548e-05,
3.168165e-03, 3.049041e-02, 1.203923e-01, 2.769203e-01,<a name="line.66"></a>
+<span class="sourceLineNo">067</span> 4.589561e-01, 6.235249e-01,
7.508835e-01, 8.404869e-01, 8.999652e-01<a name="line.67"></a>
+<span class="sourceLineNo">068</span> };<a name="line.68"></a>
+<span class="sourceLineNo">069</span> }<a name="line.69"></a>
+<span class="sourceLineNo">070</span><a name="line.70"></a>
+<span class="sourceLineNo">071</span>}<a name="line.71"></a>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+</pre>
+</div>
+</body>
+</html>
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==============================================================================
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websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/distribution/LaplaceDistributionTest.html
(added)
+++
websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/distribution/LaplaceDistributionTest.html
Sat Oct 18 20:10:38 2014
@@ -0,0 +1,144 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="fr">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css"
title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software
Foundation (ASF) under one or more<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * contributor license agreements. See
the NOTICE file distributed with<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * this work for additional information
regarding copyright ownership.<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * The ASF licenses this file to You
under the Apache License, Version 2.0<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * (the "License"); you may not use this
file except in compliance with<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * the License. You may obtain a copy of
the License at<a name="line.7"></a>
+<span class="sourceLineNo">008</span> *<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *
http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * Unless required by applicable law or
agreed to in writing, software<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * distributed under the License is
distributed on an "AS IS" BASIS,<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied.<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * See the License for the specific
language governing permissions and<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * limitations under the License.<a
name="line.15"></a>
+<span class="sourceLineNo">016</span> */<a name="line.16"></a>
+<span class="sourceLineNo">017</span>package
org.apache.commons.math3.distribution;<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>import
org.apache.commons.math3.util.Precision;<a name="line.19"></a>
+<span class="sourceLineNo">020</span>import org.junit.Assert;<a
name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.junit.Test;<a
name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * Test cases for LaplaceDistribution.<a
name="line.24"></a>
+<span class="sourceLineNo">025</span> */<a name="line.25"></a>
+<span class="sourceLineNo">026</span>public class LaplaceDistributionTest
extends RealDistributionAbstractTest {<a name="line.26"></a>
+<span class="sourceLineNo">027</span><a name="line.27"></a>
+<span class="sourceLineNo">028</span> @Test<a name="line.28"></a>
+<span class="sourceLineNo">029</span> public void testParameters() {<a
name="line.29"></a>
+<span class="sourceLineNo">030</span> LaplaceDistribution d =
makeDistribution();<a name="line.30"></a>
+<span class="sourceLineNo">031</span> Assert.assertEquals(0,
d.getLocation(), Precision.EPSILON);<a name="line.31"></a>
+<span class="sourceLineNo">032</span> Assert.assertEquals(1,
d.getScale(), Precision.EPSILON);<a name="line.32"></a>
+<span class="sourceLineNo">033</span> }<a name="line.33"></a>
+<span class="sourceLineNo">034</span><a name="line.34"></a>
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+<span class="sourceLineNo">036</span> public void testSupport() {<a
name="line.36"></a>
+<span class="sourceLineNo">037</span> LaplaceDistribution d =
makeDistribution();<a name="line.37"></a>
+<span class="sourceLineNo">038</span>
Assert.assertTrue(Double.isInfinite(d.getSupportLowerBound()));<a
name="line.38"></a>
+<span class="sourceLineNo">039</span>
Assert.assertTrue(Double.isInfinite(d.getSupportUpperBound()));<a
name="line.39"></a>
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makeDistribution() {<a name="line.44"></a>
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1);<a name="line.45"></a>
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+<span class="sourceLineNo">049</span> public double[]
makeCumulativeTestPoints() {<a name="line.49"></a>
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name="line.50"></a>
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3, 4, 5<a name="line.51"></a>
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+<span class="sourceLineNo">053</span> }<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> @Override<a name="line.55"></a>
+<span class="sourceLineNo">056</span> public double[]
makeDensityTestValues() {<a name="line.56"></a>
+<span class="sourceLineNo">057</span> return new double[] {<a
name="line.57"></a>
+<span class="sourceLineNo">058</span> 0.003368973, 0.009157819,
0.024893534, 0.067667642, 0.183939721,<a name="line.58"></a>
+<span class="sourceLineNo">059</span> 0.500000000, 0.183939721,
0.067667642, 0.024893534, 0.009157819, 0.003368973<a name="line.59"></a>
+<span class="sourceLineNo">060</span> };<a name="line.60"></a>
+<span class="sourceLineNo">061</span> }<a name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span> @Override<a name="line.63"></a>
+<span class="sourceLineNo">064</span> public double[]
makeCumulativeTestValues() {<a name="line.64"></a>
+<span class="sourceLineNo">065</span> return new double[] {<a
name="line.65"></a>
+<span class="sourceLineNo">066</span> 0.003368973, 0.009157819,
0.024893534, 0.067667642, 0.183939721,<a name="line.66"></a>
+<span class="sourceLineNo">067</span> 0.500000000, 0.816060279,
0.932332358, 0.975106466, 0.990842181, 0.996631027<a name="line.67"></a>
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"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="fr">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css"
title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software
Foundation (ASF) under one or more<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * contributor license agreements. See
the NOTICE file distributed with<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * this work for additional information
regarding copyright ownership.<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * The ASF licenses this file to You
under the Apache License, Version 2.0<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * (the "License"); you may not use this
file except in compliance with<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * the License. You may obtain a copy of
the License at<a name="line.7"></a>
+<span class="sourceLineNo">008</span> *<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *
http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * Unless required by applicable law or
agreed to in writing, software<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * distributed under the License is
distributed on an "AS IS" BASIS,<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied.<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * See the License for the specific
language governing permissions and<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * limitations under the License.<a
name="line.15"></a>
+<span class="sourceLineNo">016</span> */<a name="line.16"></a>
+<span class="sourceLineNo">017</span>package
org.apache.commons.math3.distribution;<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>import
org.apache.commons.math3.util.Precision;<a name="line.19"></a>
+<span class="sourceLineNo">020</span>import org.junit.Assert;<a
name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.junit.Test;<a
name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * Test cases for
LogisticsDistribution.<a name="line.24"></a>
+<span class="sourceLineNo">025</span> */<a name="line.25"></a>
+<span class="sourceLineNo">026</span>public class LogisticsDistributionTest
extends RealDistributionAbstractTest {<a name="line.26"></a>
+<span class="sourceLineNo">027</span><a name="line.27"></a>
+<span class="sourceLineNo">028</span> @Test<a name="line.28"></a>
+<span class="sourceLineNo">029</span> public void testParameters() {<a
name="line.29"></a>
+<span class="sourceLineNo">030</span> LogisticDistribution d =
makeDistribution();<a name="line.30"></a>
+<span class="sourceLineNo">031</span> Assert.assertEquals(2,
d.getLocation(), Precision.EPSILON);<a name="line.31"></a>
+<span class="sourceLineNo">032</span> Assert.assertEquals(5,
d.getScale(), Precision.EPSILON);<a name="line.32"></a>
+<span class="sourceLineNo">033</span> }<a name="line.33"></a>
+<span class="sourceLineNo">034</span><a name="line.34"></a>
+<span class="sourceLineNo">035</span> @Test<a name="line.35"></a>
+<span class="sourceLineNo">036</span> public void testSupport() {<a
name="line.36"></a>
+<span class="sourceLineNo">037</span> LogisticDistribution d =
makeDistribution();<a name="line.37"></a>
+<span class="sourceLineNo">038</span>
Assert.assertTrue(Double.isInfinite(d.getSupportLowerBound()));<a
name="line.38"></a>
+<span class="sourceLineNo">039</span>
Assert.assertTrue(Double.isInfinite(d.getSupportUpperBound()));<a
name="line.39"></a>
+<span class="sourceLineNo">040</span>
Assert.assertTrue(d.isSupportConnected());<a name="line.40"></a>
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+<span class="sourceLineNo">042</span><a name="line.42"></a>
+<span class="sourceLineNo">043</span> @Override<a name="line.43"></a>
+<span class="sourceLineNo">044</span> public LogisticDistribution
makeDistribution() {<a name="line.44"></a>
+<span class="sourceLineNo">045</span> return new
LogisticDistribution(2, 5);<a name="line.45"></a>
+<span class="sourceLineNo">046</span> }<a name="line.46"></a>
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+<span class="sourceLineNo">048</span> @Override<a name="line.48"></a>
+<span class="sourceLineNo">049</span> public double[]
makeCumulativeTestPoints() {<a name="line.49"></a>
+<span class="sourceLineNo">050</span> return new double[] {<a
name="line.50"></a>
+<span class="sourceLineNo">051</span> -5, -4, -3, -2, -1, 0, 1, 2,
3, 4, 5<a name="line.51"></a>
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+<span class="sourceLineNo">053</span> }<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> @Override<a name="line.55"></a>
+<span class="sourceLineNo">056</span> public double[]
makeDensityTestValues() {<a name="line.56"></a>
+<span class="sourceLineNo">057</span> return new double[] {<a
name="line.57"></a>
+<span class="sourceLineNo">058</span> 0.03173698, 0.03557889,
0.03932239, 0.04278194, 0.04575685, 0.04805215,<a name="line.58"></a>
+<span class="sourceLineNo">059</span> 0.04950331, 0.05000000,
0.04950331, 0.04805215, 0.04575685<a name="line.59"></a>
+<span class="sourceLineNo">060</span> };<a name="line.60"></a>
+<span class="sourceLineNo">061</span> }<a name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span> @Override<a name="line.63"></a>
+<span class="sourceLineNo">064</span> public double[]
makeCumulativeTestValues() {<a name="line.64"></a>
+<span class="sourceLineNo">065</span> return new double[] {<a
name="line.65"></a>
+<span class="sourceLineNo">066</span> 0.1978161, 0.2314752,
0.2689414, 0.3100255, 0.3543437, 0.4013123,<a name="line.66"></a>
+<span class="sourceLineNo">067</span> 0.4501660, 0.5000000,
0.5498340, 0.5986877, 0.6456563<a name="line.67"></a>
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Sat Oct 18 20:10:38 2014
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="fr">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css"
title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software
Foundation (ASF) under one or more<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * contributor license agreements. See
the NOTICE file distributed with<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * this work for additional information
regarding copyright ownership.<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * The ASF licenses this file to You
under the Apache License, Version 2.0<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * (the "License"); you may not use this
file except in compliance with<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * the License. You may obtain a copy of
the License at<a name="line.7"></a>
+<span class="sourceLineNo">008</span> *<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *
http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * Unless required by applicable law or
agreed to in writing, software<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * distributed under the License is
distributed on an "AS IS" BASIS,<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied.<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * See the License for the specific
language governing permissions and<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * limitations under the License.<a
name="line.15"></a>
+<span class="sourceLineNo">016</span> */<a name="line.16"></a>
+<span class="sourceLineNo">017</span>package
org.apache.commons.math3.distribution;<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>import
org.apache.commons.math3.util.Precision;<a name="line.19"></a>
+<span class="sourceLineNo">020</span>import org.junit.Assert;<a
name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.junit.Test;<a
name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * Test cases for NakagamiDistribution.<a
name="line.24"></a>
+<span class="sourceLineNo">025</span> */<a name="line.25"></a>
+<span class="sourceLineNo">026</span>public class NakagamiDistributionTest
extends RealDistributionAbstractTest {<a name="line.26"></a>
+<span class="sourceLineNo">027</span><a name="line.27"></a>
+<span class="sourceLineNo">028</span> @Test<a name="line.28"></a>
+<span class="sourceLineNo">029</span> public void testParameters() {<a
name="line.29"></a>
+<span class="sourceLineNo">030</span> NakagamiDistribution d =
makeDistribution();<a name="line.30"></a>
+<span class="sourceLineNo">031</span> Assert.assertEquals(0.5,
d.getShape(), Precision.EPSILON);<a name="line.31"></a>
+<span class="sourceLineNo">032</span> Assert.assertEquals(1,
d.getScale(), Precision.EPSILON);<a name="line.32"></a>
+<span class="sourceLineNo">033</span> }<a name="line.33"></a>
+<span class="sourceLineNo">034</span><a name="line.34"></a>
+<span class="sourceLineNo">035</span> @Test<a name="line.35"></a>
+<span class="sourceLineNo">036</span> public void testSupport() {<a
name="line.36"></a>
+<span class="sourceLineNo">037</span> NakagamiDistribution d =
makeDistribution();<a name="line.37"></a>
+<span class="sourceLineNo">038</span>
Assert.assertEquals(d.getSupportLowerBound(), 0, Precision.EPSILON);<a
name="line.38"></a>
+<span class="sourceLineNo">039</span>
Assert.assertTrue(Double.isInfinite(d.getSupportUpperBound()));<a
name="line.39"></a>
+<span class="sourceLineNo">040</span>
Assert.assertTrue(d.isSupportConnected());<a name="line.40"></a>
+<span class="sourceLineNo">041</span> }<a name="line.41"></a>
+<span class="sourceLineNo">042</span><a name="line.42"></a>
+<span class="sourceLineNo">043</span> @Override<a name="line.43"></a>
+<span class="sourceLineNo">044</span> public NakagamiDistribution
makeDistribution() {<a name="line.44"></a>
+<span class="sourceLineNo">045</span> return new
NakagamiDistribution(0.5, 1);<a name="line.45"></a>
+<span class="sourceLineNo">046</span> }<a name="line.46"></a>
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+<span class="sourceLineNo">048</span> @Override<a name="line.48"></a>
+<span class="sourceLineNo">049</span> public double[]
makeCumulativeTestPoints() {<a name="line.49"></a>
+<span class="sourceLineNo">050</span> return new double[] {<a
name="line.50"></a>
+<span class="sourceLineNo">051</span> 0, 0.2, 0.4, 0.6, 0.8, 1,
1.2, 1.4, 1.6, 1.8, 2<a name="line.51"></a>
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+<span class="sourceLineNo">053</span> }<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> @Override<a name="line.55"></a>
+<span class="sourceLineNo">056</span> public double[]
makeDensityTestValues() {<a name="line.56"></a>
+<span class="sourceLineNo">057</span> return new double[] {<a
name="line.57"></a>
+<span class="sourceLineNo">058</span> 0.0000000, 0.7820854,
0.7365403, 0.6664492, 0.5793831, 0.4839414,<a name="line.58"></a>
+<span class="sourceLineNo">059</span> 0.3883721, 0.2994549,
0.2218417, 0.1579003, 0.1079819<a name="line.59"></a>
+<span class="sourceLineNo">060</span> };<a name="line.60"></a>
+<span class="sourceLineNo">061</span> }<a name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span> @Override<a name="line.63"></a>
+<span class="sourceLineNo">064</span> public double[]
makeCumulativeTestValues() {<a name="line.64"></a>
+<span class="sourceLineNo">065</span> return new double[] {<a
name="line.65"></a>
+<span class="sourceLineNo">066</span> 0.0000000, 0.1585194,
0.3108435, 0.4514938, 0.5762892, 0.6826895,<a name="line.66"></a>
+<span class="sourceLineNo">067</span> 0.7698607, 0.8384867,
0.8904014, 0.9281394, 0.9544997<a name="line.67"></a>
+<span class="sourceLineNo">068</span> };<a name="line.68"></a>
+<span class="sourceLineNo">069</span> }<a name="line.69"></a>
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+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software
Foundation (ASF) under one or more<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * contributor license agreements. See
the NOTICE file distributed with<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * this work for additional information
regarding copyright ownership.<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * The ASF licenses this file to You
under the Apache License, Version 2.0<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * (the "License"); you may not use this
file except in compliance with<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * the License. You may obtain a copy of
the License at<a name="line.7"></a>
+<span class="sourceLineNo">008</span> *<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *
http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * Unless required by applicable law or
agreed to in writing, software<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * distributed under the License is
distributed on an "AS IS" BASIS,<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied.<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * See the License for the specific
language governing permissions and<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * limitations under the License.<a
name="line.15"></a>
+<span class="sourceLineNo">016</span> */<a name="line.16"></a>
+<span class="sourceLineNo">017</span>package
org.apache.commons.math3.fitting.leastsquares;<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>import
org.apache.commons.math3.fitting.leastsquares.LeastSquaresProblem.Evaluation;<a
name="line.19"></a>
+<span class="sourceLineNo">020</span>import
org.apache.commons.math3.linear.RealMatrix;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import
org.apache.commons.math3.linear.RealVector;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import
org.apache.commons.math3.optim.ConvergenceChecker;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.junit.Assert;<a
name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.junit.Test;<a
name="line.24"></a>
+<span class="sourceLineNo">025</span><a name="line.25"></a>
+<span class="sourceLineNo">026</span>/** Unit tests for {@link
EvaluationRmsChecker}. */<a name="line.26"></a>
+<span class="sourceLineNo">027</span>public class EvaluationRmsCheckerTest {<a
name="line.27"></a>
+<span class="sourceLineNo">028</span><a name="line.28"></a>
+<span class="sourceLineNo">029</span> /** check {@link
ConvergenceChecker#converged(int, Object, Object)}. */<a name="line.29"></a>
+<span class="sourceLineNo">030</span> @Test<a name="line.30"></a>
+<span class="sourceLineNo">031</span> public void testConverged() {<a
name="line.31"></a>
+<span class="sourceLineNo">032</span> //setup<a name="line.32"></a>
+<span class="sourceLineNo">033</span>
ConvergenceChecker<Evaluation> checker = new EvaluationRmsChecker(0.1,
1);<a name="line.33"></a>
+<span class="sourceLineNo">034</span> Evaluation e200 =
mockEvaluation(200);<a name="line.34"></a>
+<span class="sourceLineNo">035</span> Evaluation e1 =
mockEvaluation(1);<a name="line.35"></a>
+<span class="sourceLineNo">036</span><a name="line.36"></a>
+<span class="sourceLineNo">037</span> //action + verify<a
name="line.37"></a>
+<span class="sourceLineNo">038</span> //just matches rel tol<a
name="line.38"></a>
+<span class="sourceLineNo">039</span> Assert.assertEquals(true,
checker.converged(0, e200, mockEvaluation(210)));<a name="line.39"></a>
+<span class="sourceLineNo">040</span> //just matches abs tol<a
name="line.40"></a>
+<span class="sourceLineNo">041</span> Assert.assertEquals(true,
checker.converged(0, e1, mockEvaluation(1.9)));<a name="line.41"></a>
+<span class="sourceLineNo">042</span> //matches both<a
name="line.42"></a>
+<span class="sourceLineNo">043</span> Assert.assertEquals(true,
checker.converged(0, e1, mockEvaluation(1.01)));<a name="line.43"></a>
+<span class="sourceLineNo">044</span> //matches neither<a
name="line.44"></a>
+<span class="sourceLineNo">045</span> Assert.assertEquals(false,
checker.converged(0, e200, mockEvaluation(300)));<a name="line.45"></a>
+<span class="sourceLineNo">046</span> }<a name="line.46"></a>
+<span class="sourceLineNo">047</span><a name="line.47"></a>
+<span class="sourceLineNo">048</span> /**<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * Create a mock {@link
Evaluation}.<a name="line.49"></a>
+<span class="sourceLineNo">050</span> *<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * @param rms the evaluation's rms.<a
name="line.51"></a>
+<span class="sourceLineNo">052</span> * @return a new mock evaluation.<a
name="line.52"></a>
+<span class="sourceLineNo">053</span> */<a name="line.53"></a>
+<span class="sourceLineNo">054</span> private static Evaluation
mockEvaluation(final double rms) {<a name="line.54"></a>
+<span class="sourceLineNo">055</span> return new Evaluation() {<a
name="line.55"></a>
+<span class="sourceLineNo">056</span> public RealMatrix
getCovariances(double threshold) {<a name="line.56"></a>
+<span class="sourceLineNo">057</span> return null;<a
name="line.57"></a>
+<span class="sourceLineNo">058</span> }<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span> public RealVector
getSigma(double covarianceSingularityThreshold) {<a name="line.60"></a>
+<span class="sourceLineNo">061</span> return null;<a
name="line.61"></a>
+<span class="sourceLineNo">062</span> }<a name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span> public double getRMS() {<a
name="line.64"></a>
+<span class="sourceLineNo">065</span> return rms;<a
name="line.65"></a>
+<span class="sourceLineNo">066</span> }<a name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span> public RealMatrix
getJacobian() {<a name="line.68"></a>
+<span class="sourceLineNo">069</span> return null;<a
name="line.69"></a>
+<span class="sourceLineNo">070</span> }<a name="line.70"></a>
+<span class="sourceLineNo">071</span><a name="line.71"></a>
+<span class="sourceLineNo">072</span> public double getCost() {<a
name="line.72"></a>
+<span class="sourceLineNo">073</span> return 0;<a
name="line.73"></a>
+<span class="sourceLineNo">074</span> }<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span> public RealVector
getResiduals() {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> return null;<a
name="line.77"></a>
+<span class="sourceLineNo">078</span> }<a name="line.78"></a>
+<span class="sourceLineNo">079</span><a name="line.79"></a>
+<span class="sourceLineNo">080</span> public RealVector getPoint()
{<a name="line.80"></a>
+<span class="sourceLineNo">081</span> return null;<a
name="line.81"></a>
+<span class="sourceLineNo">082</span> }<a name="line.82"></a>
+<span class="sourceLineNo">083</span> };<a name="line.83"></a>
+<span class="sourceLineNo">084</span> }<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span>}<a name="line.86"></a>
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+</pre>
+</div>
+</body>
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