http://git-wip-us.apache.org/repos/asf/commons-complex/blob/b3576eeb/site-content/.svn/pristine/03/032fb53668c7b67e48e7eb5f92c56e60f63c0bd8.svn-base ---------------------------------------------------------------------- diff --git a/site-content/.svn/pristine/03/032fb53668c7b67e48e7eb5f92c56e60f63c0bd8.svn-base b/site-content/.svn/pristine/03/032fb53668c7b67e48e7eb5f92c56e60f63c0bd8.svn-base deleted file mode 100644 index 13e96bd..0000000 --- a/site-content/.svn/pristine/03/032fb53668c7b67e48e7eb5f92c56e60f63c0bd8.svn-base +++ /dev/null @@ -1,312 +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>NormalDistribution.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.distribution</a> > <span class="el_source">NormalDistributio n.java</span></div><h1>NormalDistribution.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.distribution; - -import org.apache.commons.math3.exception.NotStrictlyPositiveException; -import org.apache.commons.math3.exception.NumberIsTooLargeException; -import org.apache.commons.math3.exception.OutOfRangeException; -import org.apache.commons.math3.exception.util.LocalizedFormats; -import org.apache.commons.math3.random.RandomGenerator; -import org.apache.commons.math3.random.Well19937c; -import org.apache.commons.math3.special.Erf; -import org.apache.commons.math3.util.FastMath; - -/** - * Implementation of the normal (gaussian) distribution. - * - * @see <a href="http://en.wikipedia.org/wiki/Normal_distribution">Normal distribution (Wikipedia)</a> - * @see <a href="http://mathworld.wolfram.com/NormalDistribution.html">Normal distribution (MathWorld)</a> - */ -public class NormalDistribution extends AbstractRealDistribution { - /** - * Default inverse cumulative probability accuracy. - * @since 2.1 - */ - public static final double DEFAULT_INVERSE_ABSOLUTE_ACCURACY = 1e-9; - /** Serializable version identifier. */ - private static final long serialVersionUID = 8589540077390120676L; - /** &radic;(2) */ -<span class="fc" id="L44"> private static final double SQRT2 = FastMath.sqrt(2.0);</span> - /** Mean of this distribution. */ - private final double mean; - /** Standard deviation of this distribution. */ - private final double standardDeviation; - /** The value of {@code log(sd) + 0.5*log(2*pi)} stored for faster computation. */ - private final double logStandardDeviationPlusHalfLog2Pi; - /** Inverse cumulative probability accuracy. */ - private final double solverAbsoluteAccuracy; - - /** - * Create a normal distribution with mean equal to zero and standard - * deviation equal to one. - * <p> - * <b>Note:</b> this constructor will implicitly create an instance of - * {@link Well19937c} as random generator to be used for sampling only (see - * {@link #sample()} and {@link #sample(int)}). In case no sampling is - * needed for the created distribution, it is advised to pass {@code null} - * as random generator via the appropriate constructors to avoid the - * additional initialisation overhead. - */ - public NormalDistribution() { -<span class="fc" id="L66"> this(0, 1);</span> -<span class="fc" id="L67"> }</span> - - /** - * Create a normal distribution using the given mean and standard deviation. - * <p> - * <b>Note:</b> this constructor will implicitly create an instance of - * {@link Well19937c} as random generator to be used for sampling only (see - * {@link #sample()} and {@link #sample(int)}). In case no sampling is - * needed for the created distribution, it is advised to pass {@code null} - * as random generator via the appropriate constructors to avoid the - * additional initialisation overhead. - * - * @param mean Mean for this distribution. - * @param sd Standard deviation for this distribution. - * @throws NotStrictlyPositiveException if {@code sd <= 0}. - */ - public NormalDistribution(double mean, double sd) - throws NotStrictlyPositiveException { -<span class="fc" id="L85"> this(mean, sd, DEFAULT_INVERSE_ABSOLUTE_ACCURACY);</span> -<span class="fc" id="L86"> }</span> - - /** - * Create a normal distribution using the given mean, standard deviation and - * inverse cumulative distribution accuracy. - * <p> - * <b>Note:</b> this constructor will implicitly create an instance of - * {@link Well19937c} as random generator to be used for sampling only (see - * {@link #sample()} and {@link #sample(int)}). In case no sampling is - * needed for the created distribution, it is advised to pass {@code null} - * as random generator via the appropriate constructors to avoid the - * additional initialisation overhead. - * - * @param mean Mean for this distribution. - * @param sd Standard deviation for this distribution. - * @param inverseCumAccuracy Inverse cumulative probability accuracy. - * @throws NotStrictlyPositiveException if {@code sd <= 0}. - * @since 2.1 - */ - public NormalDistribution(double mean, double sd, double inverseCumAccuracy) - throws NotStrictlyPositiveException { -<span class="fc" id="L107"> this(new Well19937c(), mean, sd, inverseCumAccuracy);</span> -<span class="fc" id="L108"> }</span> - - /** - * Creates a normal distribution. - * - * @param rng Random number generator. - * @param mean Mean for this distribution. - * @param sd Standard deviation for this distribution. - * @throws NotStrictlyPositiveException if {@code sd <= 0}. - * @since 3.3 - */ - public NormalDistribution(RandomGenerator rng, double mean, double sd) - throws NotStrictlyPositiveException { -<span class="fc" id="L121"> this(rng, mean, sd, DEFAULT_INVERSE_ABSOLUTE_ACCURACY);</span> -<span class="fc" id="L122"> }</span> - - /** - * Creates a normal distribution. - * - * @param rng Random number generator. - * @param mean Mean for this distribution. - * @param sd Standard deviation for this distribution. - * @param inverseCumAccuracy Inverse cumulative probability accuracy. - * @throws NotStrictlyPositiveException if {@code sd <= 0}. - * @since 3.1 - */ - public NormalDistribution(RandomGenerator rng, - double mean, - double sd, - double inverseCumAccuracy) - throws NotStrictlyPositiveException { -<span class="fc" id="L139"> super(rng);</span> - -<span class="fc bfc" id="L141" title="All 2 branches covered."> if (sd <= 0) {</span> -<span class="fc" id="L142"> throw new NotStrictlyPositiveException(LocalizedFormats.STANDARD_DEVIATION, sd);</span> - } - -<span class="fc" id="L145"> this.mean = mean;</span> -<span class="fc" id="L146"> standardDeviation = sd;</span> -<span class="fc" id="L147"> logStandardDeviationPlusHalfLog2Pi = FastMath.log(sd) + 0.5 * FastMath.log(2 * FastMath.PI);</span> -<span class="fc" id="L148"> solverAbsoluteAccuracy = inverseCumAccuracy;</span> -<span class="fc" id="L149"> }</span> - - /** - * Access the mean. - * - * @return the mean for this distribution. - */ - public double getMean() { -<span class="fc" id="L157"> return mean;</span> - } - - /** - * Access the standard deviation. - * - * @return the standard deviation for this distribution. - */ - public double getStandardDeviation() { -<span class="fc" id="L166"> return standardDeviation;</span> - } - - /** {@inheritDoc} */ - public double density(double x) { -<span class="fc" id="L171"> return FastMath.exp(logDensity(x));</span> - } - - /** {@inheritDoc} */ - @Override - public double logDensity(double x) { -<span class="fc" id="L177"> final double x0 = x - mean;</span> -<span class="fc" id="L178"> final double x1 = x0 / standardDeviation;</span> -<span class="fc" id="L179"> return -0.5 * x1 * x1 - logStandardDeviationPlusHalfLog2Pi;</span> - } - - /** - * {@inheritDoc} - * - * If {@code x} is more than 40 standard deviations from the mean, 0 or 1 - * is returned, as in these cases the actual value is within - * {@code Double.MIN_VALUE} of 0 or 1. - */ - public double cumulativeProbability(double x) { -<span class="fc" id="L190"> final double dev = x - mean;</span> -<span class="fc bfc" id="L191" title="All 2 branches covered."> if (FastMath.abs(dev) > 40 * standardDeviation) {</span> -<span class="fc bfc" id="L192" title="All 2 branches covered."> return dev < 0 ? 0.0d : 1.0d;</span> - } -<span class="fc" id="L194"> return 0.5 * Erf.erfc(-dev / (standardDeviation * SQRT2));</span> - } - - /** {@inheritDoc} - * @since 3.2 - */ - @Override - public double inverseCumulativeProbability(final double p) throws OutOfRangeException { -<span class="fc bfc" id="L202" title="All 4 branches covered."> if (p < 0.0 || p > 1.0) {</span> -<span class="fc" id="L203"> throw new OutOfRangeException(p, 0, 1);</span> - } -<span class="fc" id="L205"> return mean + standardDeviation * SQRT2 * Erf.erfInv(2 * p - 1);</span> - } - - /** - * {@inheritDoc} - * - * @deprecated See {@link RealDistribution#cumulativeProbability(double,double)} - */ - @Override@Deprecated - public double cumulativeProbability(double x0, double x1) - throws NumberIsTooLargeException { -<span class="fc" id="L216"> return probability(x0, x1);</span> - } - - /** {@inheritDoc} */ - @Override - public double probability(double x0, - double x1) - throws NumberIsTooLargeException { -<span class="fc bfc" id="L224" title="All 2 branches covered."> if (x0 > x1) {</span> -<span class="fc" id="L225"> throw new NumberIsTooLargeException(LocalizedFormats.LOWER_ENDPOINT_ABOVE_UPPER_ENDPOINT,</span> - x0, x1, true); - } -<span class="fc" id="L228"> final double denom = standardDeviation * SQRT2;</span> -<span class="fc" id="L229"> final double v0 = (x0 - mean) / denom;</span> -<span class="fc" id="L230"> final double v1 = (x1 - mean) / denom;</span> -<span class="fc" id="L231"> return 0.5 * Erf.erf(v0, v1);</span> - } - - /** {@inheritDoc} */ - @Override - protected double getSolverAbsoluteAccuracy() { -<span class="nc" id="L237"> return solverAbsoluteAccuracy;</span> - } - - /** - * {@inheritDoc} - * - * For mean parameter {@code mu}, the mean is {@code mu}. - */ - public double getNumericalMean() { -<span class="fc" id="L246"> return getMean();</span> - } - - /** - * {@inheritDoc} - * - * For standard deviation parameter {@code s}, the variance is {@code s^2}. - */ - public double getNumericalVariance() { -<span class="fc" id="L255"> final double s = getStandardDeviation();</span> -<span class="fc" id="L256"> return s * s;</span> - } - - /** - * {@inheritDoc} - * - * The lower bound of the support is always negative infinity - * no matter the parameters. - * - * @return lower bound of the support (always - * {@code Double.NEGATIVE_INFINITY}) - */ - public double getSupportLowerBound() { -<span class="fc" id="L269"> return Double.NEGATIVE_INFINITY;</span> - } - - /** - * {@inheritDoc} - * - * The upper bound of the support is always positive infinity - * no matter the parameters. - * - * @return upper bound of the support (always - * {@code Double.POSITIVE_INFINITY}) - */ - public double getSupportUpperBound() { -<span class="fc" id="L282"> return Double.POSITIVE_INFINITY;</span> - } - - /** {@inheritDoc} */ - public boolean isSupportLowerBoundInclusive() { -<span class="fc" id="L287"> return false;</span> - } - - /** {@inheritDoc} */ - public boolean isSupportUpperBoundInclusive() { -<span class="fc" id="L292"> return false;</span> - } - - /** - * {@inheritDoc} - * - * The support of this distribution is connected. - * - * @return {@code true} - */ - public boolean isSupportConnected() { -<span class="nc" id="L303"> return true;</span> - } - - /** {@inheritDoc} */ - @Override - public double sample() { -<span class="fc" id="L309"> return standardDeviation * random.nextGaussian() + mean;</span> - } -} -</pre><div class="footer"><span class="right">Created with <a href="http://www.eclemma.org/jacoco";>JaCoCo</a> 0.7.5.201505241946</span></div></body></html> \ No newline at end of file
http://git-wip-us.apache.org/repos/asf/commons-complex/blob/b3576eeb/site-content/.svn/pristine/03/033af26c83a4ca78b766a7bf6890a48da64e3733.svn-base ---------------------------------------------------------------------- diff --git a/site-content/.svn/pristine/03/033af26c83a4ca78b766a7bf6890a48da64e3733.svn-base b/site-content/.svn/pristine/03/033af26c83a4ca78b766a7bf6890a48da64e3733.svn-base deleted file mode 100644 index 621bb2b..0000000 --- a/site-content/.svn/pristine/03/033af26c83a4ca78b766a7bf6890a48da64e3733.svn-base +++ /dev/null @@ -1,149 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> -<!-- NewPage --> -<html lang="en"> -<head> -<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> -<title>org.apache.commons.math3.geometry.euclidean.twod Class Hierarchy (Apache Commons Math 3.6.1 API)</title> -<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> -</head> -<body> -<script type="text/javascript"><!-- - if (location.href.indexOf('is-external=true') == -1) { - parent.document.title="org.apache.commons.math3.geometry.euclidean.twod Class Hierarchy (Apache Commons Math 3.6.1 API)"; - } -//--> -</script> -<noscript> -<div>JavaScript is disabled on your browser.</div> -</noscript> -<!-- ========= START OF TOP NAVBAR ======= --> -<div class="topNav"><a name="navbar_top"> -<!-- --> -</a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow"> -<!-- --> -</a> -<ul class="navList" title="Navigation"> -<li><a href="../../../../../../../overview-summary.html">Overview</a></li> -<li><a href="package-summary.html">Package</a></li> -<li>Class</li> -<li>Use</li> -<li class="navBarCell1Rev">Tree</li> -<li><a href="../../../../../../../deprecated-list.html">Deprecated</a></li> -<li><a href="../../../../../../../index-all.html">Index</a></li> -<li><a href="../../../../../../../help-doc.html">Help</a></li> -</ul> -<div class="aboutLanguage"><em><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML";></script></em></div> -</div> -<div class="subNav"> -<ul class="navList"> -<li><a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/threed/package-tree.html">Prev</a></li> -<li><a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/hull/package-tree.html">Next</a></li> -</ul> -<ul class="navList"> -<li><a href="../../../../../../../index.html?org/apache/commons/math3/geometry/euclidean/twod/package-tree.html" target="_top">Frames</a></li> -<li><a href="package-tree.html" target="_top">No Frames</a></li> -</ul> -<ul class="navList" id="allclasses_navbar_top"> -<li><a href="../../../../../../../allclasses-noframe.html">All Classes</a></li> -</ul> -<div> -<script type="text/javascript"><!-- - allClassesLink = document.getElementById("allclasses_navbar_top"); - if(window==top) { - allClassesLink.style.display = "block"; - } - else { - allClassesLink.style.display = "none"; - } - //--> -</script> -</div> -<a name="skip-navbar_top"> -<!-- --> -</a></div> -<!-- ========= END OF TOP NAVBAR ========= --> -<div class="header"> -<h1 class="title">Hierarchy For Package org.apache.commons.math3.geometry.euclidean.twod</h1> -<span class="strong">Package Hierarchies:</span> -<ul class="horizontal"> -<li><a href="../../../../../../../overview-tree.html">All Packages</a></li> -</ul> -</div> -<div class="contentContainer"> -<h2 title="Class Hierarchy">Class Hierarchy</h2> -<ul> -<li type="circle">java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang"><span class="strong">Object</span></a> -<ul> -<li type="circle">org.apache.commons.math3.geometry.partitioning.<a href="../../../../../../../org/apache/commons/math3/geometry/partitioning/AbstractRegion.html" title="class in org.apache.commons.math3.geometry.partitioning"><span class="strong">AbstractRegion</span></a><S,T> (implements org.apache.commons.math3.geometry.partitioning.<a href="../../../../../../../org/apache/commons/math3/geometry/partitioning/Region.html" title="interface in org.apache.commons.math3.geometry.partitioning">Region</a><S>) -<ul> -<li type="circle">org.apache.commons.math3.geometry.euclidean.twod.<a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/PolygonsSet.html" title="class in org.apache.commons.math3.geometry.euclidean.twod"><span class="strong">PolygonsSet</span></a></li> -</ul> -</li> -<li type="circle">org.apache.commons.math3.geometry.partitioning.<a href="../../../../../../../org/apache/commons/math3/geometry/partitioning/AbstractSubHyperplane.html" title="class in org.apache.commons.math3.geometry.partitioning"><span class="strong">AbstractSubHyperplane</span></a><S,T> (implements org.apache.commons.math3.geometry.partitioning.<a href="../../../../../../../org/apache/commons/math3/geometry/partitioning/SubHyperplane.html" title="interface in org.apache.commons.math3.geometry.partitioning">SubHyperplane</a><S>) -<ul> -<li type="circle">org.apache.commons.math3.geometry.euclidean.twod.<a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/SubLine.html" title="class in org.apache.commons.math3.geometry.euclidean.twod"><span class="strong">SubLine</span></a></li> -</ul> -</li> -<li type="circle">org.apache.commons.math3.geometry.euclidean.twod.<a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/DiskGenerator.html" title="class in org.apache.commons.math3.geometry.euclidean.twod"><span class="strong">DiskGenerator</span></a> (implements org.apache.commons.math3.geometry.enclosing.<a href="../../../../../../../org/apache/commons/math3/geometry/enclosing/SupportBallGenerator.html" title="interface in org.apache.commons.math3.geometry.enclosing">SupportBallGenerator</a><S,P>)</li> -<li type="circle">org.apache.commons.math3.geometry.euclidean.twod.<a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/Euclidean2D.html" title="class in org.apache.commons.math3.geometry.euclidean.twod"><span class="strong">Euclidean2D</span></a> (implements java.io.<a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true"; title="class or interface in java.io">Serializable</a>, org.apache.commons.math3.geometry.<a href="../../../../../../../org/apache/commons/math3/geometry/Space.html" title="interface in org.apache.commons.math3.geometry">Space</a>)</li> -<li type="circle">org.apache.commons.math3.geometry.euclidean.twod.<a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/Line.html" title="class in org.apache.commons.math3.geometry.euclidean.twod"><span class="strong">Line</span></a> (implements org.apache.commons.math3.geometry.partitioning.<a href="../../../../../../../org/apache/commons/math3/geometry/partitioning/Embedding.html" title="interface in org.apache.commons.math3.geometry.partitioning">Embedding</a><S,T>, org.apache.commons.math3.geometry.partitioning.<a href="../../../../../../../org/apache/commons/math3/geometry/partitioning/Hyperplane.html" title="interface in org.apache.commons.math3.geometry.partitioning">Hyperplane</a><S>)</li> -<li type="circle">org.apache.commons.math3.geometry.euclidean.twod.<a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/Segment.html" title="class in org.apache.commons.math3.geometry.euclidean.twod"><span class="strong">Segment</span></a></li> -<li type="circle">org.apache.commons.math3.geometry.euclidean.twod.<a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/Vector2D.html" title="class in org.apache.commons.math3.geometry.euclidean.twod"><span class="strong">Vector2D</span></a> (implements org.apache.commons.math3.geometry.<a href="../../../../../../../org/apache/commons/math3/geometry/Vector.html" title="interface in org.apache.commons.math3.geometry">Vector</a><S>)</li> -<li type="circle">org.apache.commons.math3.geometry.<a href="../../../../../../../org/apache/commons/math3/geometry/VectorFormat.html" title="class in org.apache.commons.math3.geometry"><span class="strong">VectorFormat</span></a><S> -<ul> -<li type="circle">org.apache.commons.math3.geometry.euclidean.twod.<a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/Vector2DFormat.html" title="class in org.apache.commons.math3.geometry.euclidean.twod"><span class="strong">Vector2DFormat</span></a></li> -</ul> -</li> -</ul> -</li> -</ul> -</div> -<!-- ======= START OF BOTTOM NAVBAR ====== --> -<div class="bottomNav"><a name="navbar_bottom"> -<!-- --> -</a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow"> -<!-- --> -</a> -<ul class="navList" title="Navigation"> -<li><a href="../../../../../../../overview-summary.html">Overview</a></li> -<li><a href="package-summary.html">Package</a></li> -<li>Class</li> -<li>Use</li> -<li class="navBarCell1Rev">Tree</li> -<li><a href="../../../../../../../deprecated-list.html">Deprecated</a></li> -<li><a href="../../../../../../../index-all.html">Index</a></li> -<li><a href="../../../../../../../help-doc.html">Help</a></li> -</ul> -<div class="aboutLanguage"><em><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML";></script></em></div> -</div> -<div class="subNav"> -<ul class="navList"> -<li><a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/threed/package-tree.html">Prev</a></li> -<li><a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/hull/package-tree.html">Next</a></li> -</ul> -<ul class="navList"> -<li><a href="../../../../../../../index.html?org/apache/commons/math3/geometry/euclidean/twod/package-tree.html" target="_top">Frames</a></li> -<li><a href="package-tree.html" target="_top">No Frames</a></li> -</ul> -<ul class="navList" id="allclasses_navbar_bottom"> -<li><a href="../../../../../../../allclasses-noframe.html">All Classes</a></li> -</ul> -<div> -<script type="text/javascript"><!-- - allClassesLink = document.getElementById("allclasses_navbar_bottom"); - if(window==top) { - allClassesLink.style.display = "block"; - } - else { - allClassesLink.style.display = "none"; - } - //--> -</script> -</div> -<a name="skip-navbar_bottom"> -<!-- --> -</a></div> -<!-- ======== END OF BOTTOM NAVBAR ======= --> -<p class="legalCopy"><small>Copyright © 2003–2016 <a href="http://www.apache.org/";>The Apache Software Foundation</a>. All rights reserved.</small></p> -</body> -</html> http://git-wip-us.apache.org/repos/asf/commons-complex/blob/b3576eeb/site-content/.svn/pristine/03/033ba4da155c4603ace1474e11133da7499b39a2.svn-base ---------------------------------------------------------------------- diff --git a/site-content/.svn/pristine/03/033ba4da155c4603ace1474e11133da7499b39a2.svn-base b/site-content/.svn/pristine/03/033ba4da155c4603ace1474e11133da7499b39a2.svn-base deleted file mode 100644 index ed7f45a..0000000 --- a/site-content/.svn/pristine/03/033ba4da155c4603ace1474e11133da7499b39a2.svn-base +++ /dev/null @@ -1,52 +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>TooManyIterationsException xref</title> -<link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" /> -</head> -<body> -<div id="overview"><a href="../../../../../../apidocs/org/apache/commons/math3/exception/TooManyIterationsException.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> <strong class="jxr_keyword">package</strong> org.apache.commons.math3.exception; -<a class="jxr_linenumber" name="L18" href="#L18">18</a> -<a class="jxr_linenumber" name="L19" href="#L19">19</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.util.LocalizedFormats; -<a class="jxr_linenumber" name="L20" href="#L20">20</a> -<a class="jxr_linenumber" name="L21" href="#L21">21</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L22" href="#L22">22</a> <em class="jxr_javadoccomment"> * Exception to be thrown when the maximal number of iterations is exceeded.</em> -<a class="jxr_linenumber" name="L23" href="#L23">23</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L24" href="#L24">24</a> <em class="jxr_javadoccomment"> * @since 3.1</em> -<a class="jxr_linenumber" name="L25" href="#L25">25</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/math3/exception/TooManyIterationsException.html">TooManyIterationsException</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html">MaxCountExceededException</a> { -<a class="jxr_linenumber" name="L27" href="#L27">27</a> <em class="jxr_javadoccomment">/** Serializable version Id. */</em> -<a class="jxr_linenumber" name="L28" href="#L28">28</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> serialVersionUID = 20121211L; -<a class="jxr_linenumber" name="L29" href="#L29">29</a> -<a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> * Construct the exception.</em> -<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * @param max Maximum number of evaluations.</em> -<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L35" href="#L35">35</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/commons/math3/exception/TooManyIterationsException.html">TooManyIterationsException</a>(Number max) { -<a class="jxr_linenumber" name="L36" href="#L36">36</a> <strong class="jxr_keyword">super</strong>(max); -<a class="jxr_linenumber" name="L37" href="#L37">37</a> getContext().addMessage(LocalizedFormats.ITERATIONS); -<a class="jxr_linenumber" name="L38" href="#L38">38</a> } -<a class="jxr_linenumber" name="L39" href="#L39">39</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/03/03480fa871300fb0bcc9a8a22d1c017a043f2c93.svn-base ---------------------------------------------------------------------- diff --git a/site-content/.svn/pristine/03/03480fa871300fb0bcc9a8a22d1c017a043f2c93.svn-base b/site-content/.svn/pristine/03/03480fa871300fb0bcc9a8a22d1c017a043f2c93.svn-base deleted file mode 100644 index a7b313f..0000000 --- a/site-content/.svn/pristine/03/03480fa871300fb0bcc9a8a22d1c017a043f2c93.svn-base +++ /dev/null @@ -1,444 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> -<html lang="en"> -<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.stat.descriptive;<a name="line.17"></a> -<span class="sourceLineNo">018</span><a name="line.18"></a> -<span class="sourceLineNo">019</span><a name="line.19"></a> -<span class="sourceLineNo">020</span>import org.apache.commons.math3.TestUtils;<a name="line.20"></a> -<span class="sourceLineNo">021</span><a name="line.21"></a> -<span class="sourceLineNo">022</span>import org.apache.commons.math3.stat.descriptive.moment.GeometricMean;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import org.apache.commons.math3.stat.descriptive.moment.Mean;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import org.apache.commons.math3.stat.descriptive.moment.Variance;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import org.apache.commons.math3.stat.descriptive.summary.Sum;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import org.apache.commons.math3.util.FastMath;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import org.junit.Assert;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.junit.Test;<a name="line.28"></a> -<span class="sourceLineNo">029</span>/**<a name="line.29"></a> -<span class="sourceLineNo">030</span> * Test cases for the {@link SummaryStatistics} class.<a name="line.30"></a> -<span class="sourceLineNo">031</span> */<a name="line.31"></a> -<span class="sourceLineNo">032</span>public class SummaryStatisticsTest {<a name="line.32"></a> -<span class="sourceLineNo">033</span><a name="line.33"></a> -<span class="sourceLineNo">034</span> private double one = 1;<a name="line.34"></a> -<span class="sourceLineNo">035</span> private float twoF = 2;<a name="line.35"></a> -<span class="sourceLineNo">036</span> private long twoL = 2;<a name="line.36"></a> -<span class="sourceLineNo">037</span> private int three = 3;<a name="line.37"></a> -<span class="sourceLineNo">038</span> private double mean = 2;<a name="line.38"></a> -<span class="sourceLineNo">039</span> private double sumSq = 18;<a name="line.39"></a> -<span class="sourceLineNo">040</span> private double sum = 8;<a name="line.40"></a> -<span class="sourceLineNo">041</span> private double var = 0.666666666666666666667;<a name="line.41"></a> -<span class="sourceLineNo">042</span> private double popVar = 0.5;<a name="line.42"></a> -<span class="sourceLineNo">043</span> private double std = FastMath.sqrt(var);<a name="line.43"></a> -<span class="sourceLineNo">044</span> private double n = 4;<a name="line.44"></a> -<span class="sourceLineNo">045</span> private double min = 1;<a name="line.45"></a> -<span class="sourceLineNo">046</span> private double max = 3;<a name="line.46"></a> -<span class="sourceLineNo">047</span> private double tolerance = 10E-15;<a name="line.47"></a> -<span class="sourceLineNo">048</span><a name="line.48"></a> -<span class="sourceLineNo">049</span> protected SummaryStatistics createSummaryStatistics() {<a name="line.49"></a> -<span class="sourceLineNo">050</span> return new SummaryStatistics();<a name="line.50"></a> -<span class="sourceLineNo">051</span> }<a name="line.51"></a> -<span class="sourceLineNo">052</span><a name="line.52"></a> -<span class="sourceLineNo">053</span> /** test stats */<a name="line.53"></a> -<span class="sourceLineNo">054</span> @Test<a name="line.54"></a> -<span class="sourceLineNo">055</span> public void testStats() {<a name="line.55"></a> -<span class="sourceLineNo">056</span> SummaryStatistics u = createSummaryStatistics();<a name="line.56"></a> -<span class="sourceLineNo">057</span> Assert.assertEquals("total count",0,u.getN(),tolerance);<a name="line.57"></a> -<span class="sourceLineNo">058</span> u.addValue(one);<a name="line.58"></a> -<span class="sourceLineNo">059</span> u.addValue(twoF);<a name="line.59"></a> -<span class="sourceLineNo">060</span> u.addValue(twoL);<a name="line.60"></a> -<span class="sourceLineNo">061</span> u.addValue(three);<a name="line.61"></a> -<span class="sourceLineNo">062</span> Assert.assertEquals("N",n,u.getN(),tolerance);<a name="line.62"></a> -<span class="sourceLineNo">063</span> Assert.assertEquals("sum",sum,u.getSum(),tolerance);<a name="line.63"></a> -<span class="sourceLineNo">064</span> Assert.assertEquals("sumsq",sumSq,u.getSumsq(),tolerance);<a name="line.64"></a> -<span class="sourceLineNo">065</span> Assert.assertEquals("var",var,u.getVariance(),tolerance);<a name="line.65"></a> -<span class="sourceLineNo">066</span> Assert.assertEquals("population var",popVar,u.getPopulationVariance(),tolerance);<a name="line.66"></a> -<span class="sourceLineNo">067</span> Assert.assertEquals("std",std,u.getStandardDeviation(),tolerance);<a name="line.67"></a> -<span class="sourceLineNo">068</span> Assert.assertEquals("mean",mean,u.getMean(),tolerance);<a name="line.68"></a> -<span class="sourceLineNo">069</span> Assert.assertEquals("min",min,u.getMin(),tolerance);<a name="line.69"></a> -<span class="sourceLineNo">070</span> Assert.assertEquals("max",max,u.getMax(),tolerance);<a name="line.70"></a> -<span class="sourceLineNo">071</span> u.clear();<a name="line.71"></a> -<span class="sourceLineNo">072</span> Assert.assertEquals("total count",0,u.getN(),tolerance);<a name="line.72"></a> -<span class="sourceLineNo">073</span> }<a name="line.73"></a> -<span class="sourceLineNo">074</span><a name="line.74"></a> -<span class="sourceLineNo">075</span> @Test<a name="line.75"></a> -<span class="sourceLineNo">076</span> public void testN0andN1Conditions() {<a name="line.76"></a> -<span class="sourceLineNo">077</span> SummaryStatistics u = createSummaryStatistics();<a name="line.77"></a> -<span class="sourceLineNo">078</span> Assert.assertTrue("Mean of n = 0 set should be NaN",<a name="line.78"></a> -<span class="sourceLineNo">079</span> Double.isNaN( u.getMean() ) );<a name="line.79"></a> -<span class="sourceLineNo">080</span> Assert.assertTrue("Standard Deviation of n = 0 set should be NaN",<a name="line.80"></a> -<span class="sourceLineNo">081</span> Double.isNaN( u.getStandardDeviation() ) );<a name="line.81"></a> -<span class="sourceLineNo">082</span> Assert.assertTrue("Variance of n = 0 set should be NaN",<a name="line.82"></a> -<span class="sourceLineNo">083</span> Double.isNaN(u.getVariance() ) );<a name="line.83"></a> -<span class="sourceLineNo">084</span><a name="line.84"></a> -<span class="sourceLineNo">085</span> /* n=1 */<a name="line.85"></a> -<span class="sourceLineNo">086</span> u.addValue(one);<a name="line.86"></a> -<span class="sourceLineNo">087</span> Assert.assertTrue("mean should be one (n = 1)",<a name="line.87"></a> -<span class="sourceLineNo">088</span> u.getMean() == one);<a name="line.88"></a> -<span class="sourceLineNo">089</span> Assert.assertTrue("geometric should be one (n = 1) instead it is " + u.getGeometricMean(),<a name="line.89"></a> -<span class="sourceLineNo">090</span> u.getGeometricMean() == one);<a name="line.90"></a> -<span class="sourceLineNo">091</span> Assert.assertTrue("Std should be zero (n = 1)",<a name="line.91"></a> -<span class="sourceLineNo">092</span> u.getStandardDeviation() == 0.0);<a name="line.92"></a> -<span class="sourceLineNo">093</span> Assert.assertTrue("variance should be zero (n = 1)",<a name="line.93"></a> -<span class="sourceLineNo">094</span> u.getVariance() == 0.0);<a name="line.94"></a> -<span class="sourceLineNo">095</span><a name="line.95"></a> -<span class="sourceLineNo">096</span> /* n=2 */<a name="line.96"></a> -<span class="sourceLineNo">097</span> u.addValue(twoF);<a name="line.97"></a> -<span class="sourceLineNo">098</span> Assert.assertTrue("Std should not be zero (n = 2)",<a name="line.98"></a> -<span class="sourceLineNo">099</span> u.getStandardDeviation() != 0.0);<a name="line.99"></a> -<span class="sourceLineNo">100</span> Assert.assertTrue("variance should not be zero (n = 2)",<a name="line.100"></a> -<span class="sourceLineNo">101</span> u.getVariance() != 0.0);<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><a name="line.104"></a> -<span class="sourceLineNo">105</span> @Test<a name="line.105"></a> -<span class="sourceLineNo">106</span> public void testProductAndGeometricMean() {<a name="line.106"></a> -<span class="sourceLineNo">107</span> SummaryStatistics u = createSummaryStatistics();<a name="line.107"></a> -<span class="sourceLineNo">108</span> u.addValue( 1.0 );<a name="line.108"></a> -<span class="sourceLineNo">109</span> u.addValue( 2.0 );<a name="line.109"></a> -<span class="sourceLineNo">110</span> u.addValue( 3.0 );<a name="line.110"></a> -<span class="sourceLineNo">111</span> u.addValue( 4.0 );<a name="line.111"></a> -<span class="sourceLineNo">112</span><a name="line.112"></a> -<span class="sourceLineNo">113</span> Assert.assertEquals( "Geometric mean not expected", 2.213364,<a name="line.113"></a> -<span class="sourceLineNo">114</span> u.getGeometricMean(), 0.00001 );<a name="line.114"></a> -<span class="sourceLineNo">115</span> }<a name="line.115"></a> -<span class="sourceLineNo">116</span><a name="line.116"></a> -<span class="sourceLineNo">117</span> @Test<a name="line.117"></a> -<span class="sourceLineNo">118</span> public void testNaNContracts() {<a name="line.118"></a> -<span class="sourceLineNo">119</span> SummaryStatistics u = createSummaryStatistics();<a name="line.119"></a> -<span class="sourceLineNo">120</span> Assert.assertTrue("mean not NaN",Double.isNaN(u.getMean()));<a name="line.120"></a> -<span class="sourceLineNo">121</span> Assert.assertTrue("min not NaN",Double.isNaN(u.getMin()));<a name="line.121"></a> -<span class="sourceLineNo">122</span> Assert.assertTrue("std dev not NaN",Double.isNaN(u.getStandardDeviation()));<a name="line.122"></a> -<span class="sourceLineNo">123</span> Assert.assertTrue("var not NaN",Double.isNaN(u.getVariance()));<a name="line.123"></a> -<span class="sourceLineNo">124</span> Assert.assertTrue("geom mean not NaN",Double.isNaN(u.getGeometricMean()));<a name="line.124"></a> -<span class="sourceLineNo">125</span><a name="line.125"></a> -<span class="sourceLineNo">126</span> u.addValue(1.0);<a name="line.126"></a> -<span class="sourceLineNo">127</span><a name="line.127"></a> -<span class="sourceLineNo">128</span> Assert.assertEquals( "mean not expected", 1.0,<a name="line.128"></a> -<span class="sourceLineNo">129</span> u.getMean(), Double.MIN_VALUE);<a name="line.129"></a> -<span class="sourceLineNo">130</span> Assert.assertEquals( "variance not expected", 0.0,<a name="line.130"></a> -<span class="sourceLineNo">131</span> u.getVariance(), Double.MIN_VALUE);<a name="line.131"></a> -<span class="sourceLineNo">132</span> Assert.assertEquals( "geometric mean not expected", 1.0,<a name="line.132"></a> -<span class="sourceLineNo">133</span> u.getGeometricMean(), Double.MIN_VALUE);<a name="line.133"></a> -<span class="sourceLineNo">134</span><a name="line.134"></a> -<span class="sourceLineNo">135</span> u.addValue(-1.0);<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> Assert.assertTrue("geom mean not NaN",Double.isNaN(u.getGeometricMean()));<a name="line.137"></a> -<span class="sourceLineNo">138</span><a name="line.138"></a> -<span class="sourceLineNo">139</span> u.addValue(0.0);<a name="line.139"></a> -<span class="sourceLineNo">140</span><a name="line.140"></a> -<span class="sourceLineNo">141</span> Assert.assertTrue("geom mean not NaN",Double.isNaN(u.getGeometricMean()));<a name="line.141"></a> -<span class="sourceLineNo">142</span><a name="line.142"></a> -<span class="sourceLineNo">143</span> //FiXME: test all other NaN contract specs<a name="line.143"></a> -<span class="sourceLineNo">144</span> }<a name="line.144"></a> -<span class="sourceLineNo">145</span><a name="line.145"></a> -<span class="sourceLineNo">146</span> @Test<a name="line.146"></a> -<span class="sourceLineNo">147</span> public void testGetSummary() {<a name="line.147"></a> -<span class="sourceLineNo">148</span> SummaryStatistics u = createSummaryStatistics();<a name="line.148"></a> -<span class="sourceLineNo">149</span> StatisticalSummary summary = u.getSummary();<a name="line.149"></a> -<span class="sourceLineNo">150</span> verifySummary(u, summary);<a name="line.150"></a> -<span class="sourceLineNo">151</span> u.addValue(1d);<a name="line.151"></a> -<span class="sourceLineNo">152</span> summary = u.getSummary();<a name="line.152"></a> -<span class="sourceLineNo">153</span> verifySummary(u, summary);<a name="line.153"></a> -<span class="sourceLineNo">154</span> u.addValue(2d);<a name="line.154"></a> -<span class="sourceLineNo">155</span> summary = u.getSummary();<a name="line.155"></a> -<span class="sourceLineNo">156</span> verifySummary(u, summary);<a name="line.156"></a> -<span class="sourceLineNo">157</span> u.addValue(2d);<a name="line.157"></a> -<span class="sourceLineNo">158</span> summary = u.getSummary();<a name="line.158"></a> -<span class="sourceLineNo">159</span> verifySummary(u, summary);<a name="line.159"></a> -<span class="sourceLineNo">160</span> }<a name="line.160"></a> -<span class="sourceLineNo">161</span><a name="line.161"></a> -<span class="sourceLineNo">162</span> @Test<a name="line.162"></a> -<span class="sourceLineNo">163</span> public void testSerialization() {<a name="line.163"></a> -<span class="sourceLineNo">164</span> SummaryStatistics u = createSummaryStatistics();<a name="line.164"></a> -<span class="sourceLineNo">165</span> // Empty test<a name="line.165"></a> -<span class="sourceLineNo">166</span> TestUtils.checkSerializedEquality(u);<a name="line.166"></a> -<span class="sourceLineNo">167</span> SummaryStatistics s = (SummaryStatistics) TestUtils.serializeAndRecover(u);<a name="line.167"></a> -<span class="sourceLineNo">168</span> StatisticalSummary summary = s.getSummary();<a name="line.168"></a> -<span class="sourceLineNo">169</span> verifySummary(u, summary);<a name="line.169"></a> -<span class="sourceLineNo">170</span><a name="line.170"></a> -<span class="sourceLineNo">171</span> // Add some data<a name="line.171"></a> -<span class="sourceLineNo">172</span> u.addValue(2d);<a name="line.172"></a> -<span class="sourceLineNo">173</span> u.addValue(1d);<a name="line.173"></a> -<span class="sourceLineNo">174</span> u.addValue(3d);<a name="line.174"></a> -<span class="sourceLineNo">175</span> u.addValue(4d);<a name="line.175"></a> -<span class="sourceLineNo">176</span> u.addValue(5d);<a name="line.176"></a> -<span class="sourceLineNo">177</span><a name="line.177"></a> -<span class="sourceLineNo">178</span> // Test again<a name="line.178"></a> -<span class="sourceLineNo">179</span> TestUtils.checkSerializedEquality(u);<a name="line.179"></a> -<span class="sourceLineNo">180</span> s = (SummaryStatistics) TestUtils.serializeAndRecover(u);<a name="line.180"></a> -<span class="sourceLineNo">181</span> summary = s.getSummary();<a name="line.181"></a> -<span class="sourceLineNo">182</span> verifySummary(u, summary);<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><a name="line.185"></a> -<span class="sourceLineNo">186</span> @Test<a name="line.186"></a> -<span class="sourceLineNo">187</span> public void testEqualsAndHashCode() {<a name="line.187"></a> -<span class="sourceLineNo">188</span> SummaryStatistics u = createSummaryStatistics();<a name="line.188"></a> -<span class="sourceLineNo">189</span> SummaryStatistics t = null;<a name="line.189"></a> -<span class="sourceLineNo">190</span> int emptyHash = u.hashCode();<a name="line.190"></a> -<span class="sourceLineNo">191</span> Assert.assertTrue("reflexive", u.equals(u));<a name="line.191"></a> -<span class="sourceLineNo">192</span> Assert.assertFalse("non-null compared to null", u.equals(t));<a name="line.192"></a> -<span class="sourceLineNo">193</span> Assert.assertFalse("wrong type", u.equals(Double.valueOf(0)));<a name="line.193"></a> -<span class="sourceLineNo">194</span> t = createSummaryStatistics();<a name="line.194"></a> -<span class="sourceLineNo">195</span> Assert.assertTrue("empty instances should be equal", t.equals(u));<a name="line.195"></a> -<span class="sourceLineNo">196</span> Assert.assertTrue("empty instances should be equal", u.equals(t));<a name="line.196"></a> -<span class="sourceLineNo">197</span> Assert.assertEquals("empty hash code", emptyHash, t.hashCode());<a name="line.197"></a> -<span class="sourceLineNo">198</span><a name="line.198"></a> -<span class="sourceLineNo">199</span> // Add some data to u<a name="line.199"></a> -<span class="sourceLineNo">200</span> u.addValue(2d);<a name="line.200"></a> -<span class="sourceLineNo">201</span> u.addValue(1d);<a name="line.201"></a> -<span class="sourceLineNo">202</span> u.addValue(3d);<a name="line.202"></a> -<span class="sourceLineNo">203</span> u.addValue(4d);<a name="line.203"></a> -<span class="sourceLineNo">204</span> Assert.assertFalse("different n's should make instances not equal", t.equals(u));<a name="line.204"></a> -<span class="sourceLineNo">205</span> Assert.assertFalse("different n's should make instances not equal", u.equals(t));<a name="line.205"></a> -<span class="sourceLineNo">206</span> Assert.assertTrue("different n's should make hashcodes different",<a name="line.206"></a> -<span class="sourceLineNo">207</span> u.hashCode() != t.hashCode());<a name="line.207"></a> -<span class="sourceLineNo">208</span><a name="line.208"></a> -<span class="sourceLineNo">209</span> //Add data in same order to t<a name="line.209"></a> -<span class="sourceLineNo">210</span> t.addValue(2d);<a name="line.210"></a> -<span class="sourceLineNo">211</span> t.addValue(1d);<a name="line.211"></a> -<span class="sourceLineNo">212</span> t.addValue(3d);<a name="line.212"></a> -<span class="sourceLineNo">213</span> t.addValue(4d);<a name="line.213"></a> -<span class="sourceLineNo">214</span> Assert.assertTrue("summaries based on same data should be equal", t.equals(u));<a name="line.214"></a> -<span class="sourceLineNo">215</span> Assert.assertTrue("summaries based on same data should be equal", u.equals(t));<a name="line.215"></a> -<span class="sourceLineNo">216</span> Assert.assertEquals("summaries based on same data should have same hashcodes",<a name="line.216"></a> -<span class="sourceLineNo">217</span> u.hashCode(), t.hashCode());<a name="line.217"></a> -<span class="sourceLineNo">218</span><a name="line.218"></a> -<span class="sourceLineNo">219</span> // Clear and make sure summaries are indistinguishable from empty summary<a name="line.219"></a> -<span class="sourceLineNo">220</span> u.clear();<a name="line.220"></a> -<span class="sourceLineNo">221</span> t.clear();<a name="line.221"></a> -<span class="sourceLineNo">222</span> Assert.assertTrue("empty instances should be equal", t.equals(u));<a name="line.222"></a> -<span class="sourceLineNo">223</span> Assert.assertTrue("empty instances should be equal", u.equals(t));<a name="line.223"></a> -<span class="sourceLineNo">224</span> Assert.assertEquals("empty hash code", emptyHash, t.hashCode());<a name="line.224"></a> -<span class="sourceLineNo">225</span> Assert.assertEquals("empty hash code", emptyHash, u.hashCode());<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> -<span class="sourceLineNo">228</span> @Test<a name="line.228"></a> -<span class="sourceLineNo">229</span> public void testCopy() {<a name="line.229"></a> -<span class="sourceLineNo">230</span> SummaryStatistics u = createSummaryStatistics();<a name="line.230"></a> -<span class="sourceLineNo">231</span> u.addValue(2d);<a name="line.231"></a> -<span class="sourceLineNo">232</span> u.addValue(1d);<a name="line.232"></a> -<span class="sourceLineNo">233</span> u.addValue(3d);<a name="line.233"></a> -<span class="sourceLineNo">234</span> u.addValue(4d);<a name="line.234"></a> -<span class="sourceLineNo">235</span> SummaryStatistics v = new SummaryStatistics(u);<a name="line.235"></a> -<span class="sourceLineNo">236</span> Assert.assertEquals(u, v);<a name="line.236"></a> -<span class="sourceLineNo">237</span> Assert.assertEquals(v, u);<a name="line.237"></a> -<span class="sourceLineNo">238</span><a name="line.238"></a> -<span class="sourceLineNo">239</span> // Make sure both behave the same with additional values added<a name="line.239"></a> -<span class="sourceLineNo">240</span> u.addValue(7d);<a name="line.240"></a> -<span class="sourceLineNo">241</span> u.addValue(9d);<a name="line.241"></a> -<span class="sourceLineNo">242</span> u.addValue(11d);<a name="line.242"></a> -<span class="sourceLineNo">243</span> u.addValue(23d);<a name="line.243"></a> -<span class="sourceLineNo">244</span> v.addValue(7d);<a name="line.244"></a> -<span class="sourceLineNo">245</span> v.addValue(9d);<a name="line.245"></a> -<span class="sourceLineNo">246</span> v.addValue(11d);<a name="line.246"></a> -<span class="sourceLineNo">247</span> v.addValue(23d);<a name="line.247"></a> -<span class="sourceLineNo">248</span> Assert.assertEquals(u, v);<a name="line.248"></a> -<span class="sourceLineNo">249</span> Assert.assertEquals(v, u);<a name="line.249"></a> -<span class="sourceLineNo">250</span><a name="line.250"></a> -<span class="sourceLineNo">251</span> // Check implementation pointers are preserved<a name="line.251"></a> -<span class="sourceLineNo">252</span> u.clear();<a name="line.252"></a> -<span class="sourceLineNo">253</span> u.setSumImpl(new Sum());<a name="line.253"></a> -<span class="sourceLineNo">254</span> SummaryStatistics.copy(u,v);<a name="line.254"></a> -<span class="sourceLineNo">255</span> Assert.assertEquals(u.getSumImpl(), v.getSumImpl());<a name="line.255"></a> -<span class="sourceLineNo">256</span><a name="line.256"></a> -<span class="sourceLineNo">257</span> }<a name="line.257"></a> -<span class="sourceLineNo">258</span><a name="line.258"></a> -<span class="sourceLineNo">259</span> private void verifySummary(SummaryStatistics u, StatisticalSummary s) {<a name="line.259"></a> -<span class="sourceLineNo">260</span> Assert.assertEquals("N",s.getN(),u.getN());<a name="line.260"></a> -<span class="sourceLineNo">261</span> TestUtils.assertEquals("sum",s.getSum(),u.getSum(),tolerance);<a name="line.261"></a> -<span class="sourceLineNo">262</span> TestUtils.assertEquals("var",s.getVariance(),u.getVariance(),tolerance);<a name="line.262"></a> -<span class="sourceLineNo">263</span> TestUtils.assertEquals("std",s.getStandardDeviation(),u.getStandardDeviation(),tolerance);<a name="line.263"></a> -<span class="sourceLineNo">264</span> TestUtils.assertEquals("mean",s.getMean(),u.getMean(),tolerance);<a name="line.264"></a> -<span class="sourceLineNo">265</span> TestUtils.assertEquals("min",s.getMin(),u.getMin(),tolerance);<a name="line.265"></a> -<span class="sourceLineNo">266</span> TestUtils.assertEquals("max",s.getMax(),u.getMax(),tolerance);<a name="line.266"></a> -<span class="sourceLineNo">267</span> }<a name="line.267"></a> -<span class="sourceLineNo">268</span><a name="line.268"></a> -<span class="sourceLineNo">269</span> @Test<a name="line.269"></a> -<span class="sourceLineNo">270</span> public void testSetterInjection() {<a name="line.270"></a> -<span class="sourceLineNo">271</span> SummaryStatistics u = createSummaryStatistics();<a name="line.271"></a> -<span class="sourceLineNo">272</span> u.setMeanImpl(new Sum());<a name="line.272"></a> -<span class="sourceLineNo">273</span> u.setSumLogImpl(new Sum());<a name="line.273"></a> -<span class="sourceLineNo">274</span> u.addValue(1);<a name="line.274"></a> -<span class="sourceLineNo">275</span> u.addValue(3);<a name="line.275"></a> -<span class="sourceLineNo">276</span> Assert.assertEquals(4, u.getMean(), 1E-14);<a name="line.276"></a> -<span class="sourceLineNo">277</span> Assert.assertEquals(4, u.getSumOfLogs(), 1E-14);<a name="line.277"></a> -<span class="sourceLineNo">278</span> Assert.assertEquals(FastMath.exp(2), u.getGeometricMean(), 1E-14);<a name="line.278"></a> -<span class="sourceLineNo">279</span> u.clear();<a name="line.279"></a> -<span class="sourceLineNo">280</span> u.addValue(1);<a name="line.280"></a> -<span class="sourceLineNo">281</span> u.addValue(2);<a name="line.281"></a> -<span class="sourceLineNo">282</span> Assert.assertEquals(3, u.getMean(), 1E-14);<a name="line.282"></a> -<span class="sourceLineNo">283</span> u.clear();<a name="line.283"></a> -<span class="sourceLineNo">284</span> u.setMeanImpl(new Mean()); // OK after clear<a name="line.284"></a> -<span class="sourceLineNo">285</span> }<a name="line.285"></a> -<span class="sourceLineNo">286</span><a name="line.286"></a> -<span class="sourceLineNo">287</span> @Test<a name="line.287"></a> -<span class="sourceLineNo">288</span> public void testSetterIllegalState() {<a name="line.288"></a> -<span class="sourceLineNo">289</span> SummaryStatistics u = createSummaryStatistics();<a name="line.289"></a> -<span class="sourceLineNo">290</span> u.addValue(1);<a name="line.290"></a> -<span class="sourceLineNo">291</span> u.addValue(3);<a name="line.291"></a> -<span class="sourceLineNo">292</span> try {<a name="line.292"></a> -<span class="sourceLineNo">293</span> u.setMeanImpl(new Sum());<a name="line.293"></a> -<span class="sourceLineNo">294</span> Assert.fail("Expecting IllegalStateException");<a name="line.294"></a> -<span class="sourceLineNo">295</span> } catch (IllegalStateException ex) {<a name="line.295"></a> -<span class="sourceLineNo">296</span> // expected<a name="line.296"></a> -<span class="sourceLineNo">297</span> }<a name="line.297"></a> -<span class="sourceLineNo">298</span> }<a name="line.298"></a> -<span class="sourceLineNo">299</span> <a name="line.299"></a> -<span class="sourceLineNo">300</span> @Test<a name="line.300"></a> -<span class="sourceLineNo">301</span> public void testQuadraticMean() {<a name="line.301"></a> -<span class="sourceLineNo">302</span> final double[] values = { 1.2, 3.4, 5.6, 7.89 };<a name="line.302"></a> -<span class="sourceLineNo">303</span> final SummaryStatistics stats = createSummaryStatistics();<a name="line.303"></a> -<span class="sourceLineNo">304</span><a name="line.304"></a> -<span class="sourceLineNo">305</span> final int len = values.length;<a name="line.305"></a> -<span class="sourceLineNo">306</span> double expected = 0;<a name="line.306"></a> -<span class="sourceLineNo">307</span> for (int i = 0; i < len; i++) {<a name="line.307"></a> -<span class="sourceLineNo">308</span> final double v = values[i];<a name="line.308"></a> -<span class="sourceLineNo">309</span> expected += v * v / len;<a name="line.309"></a> -<span class="sourceLineNo">310</span><a name="line.310"></a> -<span class="sourceLineNo">311</span> stats.addValue(v);<a name="line.311"></a> -<span class="sourceLineNo">312</span> }<a name="line.312"></a> -<span class="sourceLineNo">313</span> expected = Math.sqrt(expected);<a name="line.313"></a> -<span class="sourceLineNo">314</span><a name="line.314"></a> -<span class="sourceLineNo">315</span> Assert.assertEquals(expected, stats.getQuadraticMean(), Math.ulp(expected));<a name="line.315"></a> -<span class="sourceLineNo">316</span> }<a name="line.316"></a> -<span class="sourceLineNo">317</span> <a name="line.317"></a> -<span class="sourceLineNo">318</span> /**<a name="line.318"></a> -<span class="sourceLineNo">319</span> * JIRA: MATH-691<a name="line.319"></a> -<span class="sourceLineNo">320</span> */<a name="line.320"></a> -<span class="sourceLineNo">321</span> @Test<a name="line.321"></a> -<span class="sourceLineNo">322</span> public void testOverrideVarianceWithMathClass() {<a name="line.322"></a> -<span class="sourceLineNo">323</span> double[] scores = {1, 2, 3, 4};<a name="line.323"></a> -<span class="sourceLineNo">324</span> SummaryStatistics stats = new SummaryStatistics();<a name="line.324"></a> -<span class="sourceLineNo">325</span> stats.setVarianceImpl(new Variance(false)); //use "population variance"<a name="line.325"></a> -<span class="sourceLineNo">326</span> for(double i : scores) {<a name="line.326"></a> -<span class="sourceLineNo">327</span> stats.addValue(i);<a name="line.327"></a> -<span class="sourceLineNo">328</span> }<a name="line.328"></a> -<span class="sourceLineNo">329</span> Assert.assertEquals((new Variance(false)).evaluate(scores),stats.getVariance(), 0); <a name="line.329"></a> -<span class="sourceLineNo">330</span> }<a name="line.330"></a> -<span class="sourceLineNo">331</span> <a name="line.331"></a> -<span class="sourceLineNo">332</span> @Test<a name="line.332"></a> -<span class="sourceLineNo">333</span> public void testOverrideMeanWithMathClass() {<a name="line.333"></a> -<span class="sourceLineNo">334</span> double[] scores = {1, 2, 3, 4};<a name="line.334"></a> -<span class="sourceLineNo">335</span> SummaryStatistics stats = new SummaryStatistics();<a name="line.335"></a> -<span class="sourceLineNo">336</span> stats.setMeanImpl(new Mean()); <a name="line.336"></a> -<span class="sourceLineNo">337</span> for(double i : scores) {<a name="line.337"></a> -<span class="sourceLineNo">338</span> stats.addValue(i);<a name="line.338"></a> -<span class="sourceLineNo">339</span> }<a name="line.339"></a> -<span class="sourceLineNo">340</span> Assert.assertEquals((new Mean()).evaluate(scores),stats.getMean(), 0); <a name="line.340"></a> -<span class="sourceLineNo">341</span> }<a name="line.341"></a> -<span class="sourceLineNo">342</span> <a name="line.342"></a> -<span class="sourceLineNo">343</span> @Test<a name="line.343"></a> -<span class="sourceLineNo">344</span> public void testOverrideGeoMeanWithMathClass() {<a name="line.344"></a> -<span class="sourceLineNo">345</span> double[] scores = {1, 2, 3, 4};<a name="line.345"></a> -<span class="sourceLineNo">346</span> SummaryStatistics stats = new SummaryStatistics();<a name="line.346"></a> -<span class="sourceLineNo">347</span> stats.setGeoMeanImpl(new GeometricMean()); <a name="line.347"></a> -<span class="sourceLineNo">348</span> for(double i : scores) {<a name="line.348"></a> -<span class="sourceLineNo">349</span> stats.addValue(i);<a name="line.349"></a> -<span class="sourceLineNo">350</span> }<a name="line.350"></a> -<span class="sourceLineNo">351</span> Assert.assertEquals((new GeometricMean()).evaluate(scores),stats.getGeometricMean(), 0); <a name="line.351"></a> -<span class="sourceLineNo">352</span> }<a name="line.352"></a> -<span class="sourceLineNo">353</span> <a name="line.353"></a> -<span class="sourceLineNo">354</span> @Test<a name="line.354"></a> -<span class="sourceLineNo">355</span> public void testToString() {<a name="line.355"></a> -<span class="sourceLineNo">356</span> SummaryStatistics u = createSummaryStatistics();<a name="line.356"></a> -<span class="sourceLineNo">357</span> for (int i = 0; i < 5; i++) {<a name="line.357"></a> -<span class="sourceLineNo">358</span> u.addValue(i);<a name="line.358"></a> -<span class="sourceLineNo">359</span> }<a name="line.359"></a> -<span class="sourceLineNo">360</span> final String[] labels = {"min", "max", "sum", "geometric mean", "variance",<a name="line.360"></a> -<span class="sourceLineNo">361</span> "population variance", "second moment", "sum of squares", "standard deviation",<a name="line.361"></a> -<span class="sourceLineNo">362</span> "sum of logs"};<a name="line.362"></a> -<span class="sourceLineNo">363</span> final double[] values = {u.getMin(), u.getMax(), u.getSum(), u.getGeometricMean(),<a name="line.363"></a> -<span class="sourceLineNo">364</span> u.getVariance(), u.getPopulationVariance(), u.getSecondMoment(), u.getSumsq(),<a name="line.364"></a> -<span class="sourceLineNo">365</span> u.getStandardDeviation(), u.getSumOfLogs()};<a name="line.365"></a> -<span class="sourceLineNo">366</span> final String toString = u.toString();<a name="line.366"></a> -<span class="sourceLineNo">367</span> Assert.assertTrue(toString.indexOf("n: " + u.getN()) > 0); // getN() returns a long<a name="line.367"></a> -<span class="sourceLineNo">368</span> for (int i = 0; i < values.length; i++) {<a name="line.368"></a> -<span class="sourceLineNo">369</span> Assert.assertTrue(toString.indexOf(labels[i] + ": " + String.valueOf(values[i])) > 0);<a name="line.369"></a> -<span class="sourceLineNo">370</span> }<a name="line.370"></a> -<span class="sourceLineNo">371</span> }<a name="line.371"></a> -<span class="sourceLineNo">372</span>}<a name="line.372"></a> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</pre> -</div> -</body> -</html>
