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Range.html

Range.html 43 KB
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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    2. 

  2. <html lang="en">
    3. 

  3. <head>
    4. 

  4. <title>Source code</title>
    5. 

  5. <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
    6. 

  6. </head>
    7. 

  7. <body>
    8. 

  8. <div class="sourceContainer">
    9. 

  9. <pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
    10. 

  10. <span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
    11. 

  11. <span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
    12. 

  12. <span class="sourceLineNo">004</span> *<a name="line.4"></a>
    13. 

  13. <span class="sourceLineNo">005</span> * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors.<a name="line.5"></a>
    14. 

  14. <span class="sourceLineNo">006</span> *<a name="line.6"></a>
    15. 

  15. <span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
    16. 

  16. <span class="sourceLineNo">008</span> *<a name="line.8"></a>
    17. 

  17. <span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
    18. 

  18. <span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
    19. 

  19. <span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
    20. 

  20. <span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
    21. 

  21. <span class="sourceLineNo">013</span> *<a name="line.13"></a>
    22. 

  22. <span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
    23. 

  23. <span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
    24. 

  24. <span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
    25. 

  25. <span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
    26. 

  26. <span class="sourceLineNo">018</span> *<a name="line.18"></a>
    27. 

  27. <span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
    28. 

  28. <span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
    29. 

  29. <span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
    30. 

  30. <span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
    31. 

  31. <span class="sourceLineNo">023</span> *<a name="line.23"></a>
    32. 

  32. <span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
    33. 

  33. <span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
    34. 

  34. <span class="sourceLineNo">026</span> *<a name="line.26"></a>
    35. 

  35. <span class="sourceLineNo">027</span> * ----------<a name="line.27"></a>
    36. 

  36. <span class="sourceLineNo">028</span> * Range.java<a name="line.28"></a>
    37. 

  37. <span class="sourceLineNo">029</span> * ----------<a name="line.29"></a>
    38. 

  38. <span class="sourceLineNo">030</span> * (C) Copyright 2002-2014, by Object Refinery Limited and Contributors.<a name="line.30"></a>
    39. 

  39. <span class="sourceLineNo">031</span> *<a name="line.31"></a>
    40. 

  40. <span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
    41. 

  41. <span class="sourceLineNo">033</span> * Contributor(s):   Chuanhao Chiu;<a name="line.33"></a>
    42. 

  42. <span class="sourceLineNo">034</span> *                   Bill Kelemen;<a name="line.34"></a>
    43. 

  43. <span class="sourceLineNo">035</span> *                   Nicolas Brodu;<a name="line.35"></a>
    44. 

  44. <span class="sourceLineNo">036</span> *                   Sergei Ivanov;<a name="line.36"></a>
    45. 

  45. <span class="sourceLineNo">037</span> *<a name="line.37"></a>
    46. 

  46. <span class="sourceLineNo">038</span> * Changes (from 23-Jun-2001)<a name="line.38"></a>
    47. 

  47. <span class="sourceLineNo">039</span> * --------------------------<a name="line.39"></a>
    48. 

  48. <span class="sourceLineNo">040</span> * 22-Apr-2002 : Version 1, loosely based by code by Bill Kelemen (DG);<a name="line.40"></a>
    49. 

  49. <span class="sourceLineNo">041</span> * 30-Apr-2002 : Added getLength() and getCentralValue() methods.  Changed<a name="line.41"></a>
    50. 

  50. <span class="sourceLineNo">042</span> *               argument check in constructor (DG);<a name="line.42"></a>
    51. 

  51. <span class="sourceLineNo">043</span> * 13-Jun-2002 : Added contains(double) method (DG);<a name="line.43"></a>
    52. 

  52. <span class="sourceLineNo">044</span> * 22-Aug-2002 : Added fix to combine method where both ranges are null, thanks<a name="line.44"></a>
    53. 

  53. <span class="sourceLineNo">045</span> *               to Chuanhao Chiu for reporting and fixing this (DG);<a name="line.45"></a>
    54. 

  54. <span class="sourceLineNo">046</span> * 07-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.46"></a>
    55. 

  55. <span class="sourceLineNo">047</span> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.47"></a>
    56. 

  56. <span class="sourceLineNo">048</span> * 14-Aug-2003 : Added equals() method (DG);<a name="line.48"></a>
    57. 

  57. <span class="sourceLineNo">049</span> * 27-Aug-2003 : Added toString() method (BK);<a name="line.49"></a>
    58. 

  58. <span class="sourceLineNo">050</span> * 11-Sep-2003 : Added Clone Support (NB);<a name="line.50"></a>
    59. 

  59. <span class="sourceLineNo">051</span> * 23-Sep-2003 : Fixed Checkstyle issues (DG);<a name="line.51"></a>
    60. 

  60. <span class="sourceLineNo">052</span> * 25-Sep-2003 : Oops, Range immutable, clone not necessary (NB);<a name="line.52"></a>
    61. 

  61. <span class="sourceLineNo">053</span> * 05-May-2004 : Added constrain() and intersects() methods (DG);<a name="line.53"></a>
    62. 

  62. <span class="sourceLineNo">054</span> * 18-May-2004 : Added expand() method (DG);<a name="line.54"></a>
    63. 

  63. <span class="sourceLineNo">055</span> * ------------- JFreeChart 1.0.x ---------------------------------------------<a name="line.55"></a>
    64. 

  64. <span class="sourceLineNo">056</span> * 11-Jan-2006 : Added new method expandToInclude(Range, double) (DG);<a name="line.56"></a>
    65. 

  65. <span class="sourceLineNo">057</span> * 18-Dec-2007 : New methods intersects(Range) and scale(...) thanks to Sergei<a name="line.57"></a>
    66. 

  66. <span class="sourceLineNo">058</span> *               Ivanov (DG);<a name="line.58"></a>
    67. 

  67. <span class="sourceLineNo">059</span> * 08-Jan-2012 : New method combineIgnoringNaN() (DG);<a name="line.59"></a>
    68. 

  68. <span class="sourceLineNo">060</span> * 23-Feb-2014 : Added isNaNRange() method (DG);<a name="line.60"></a>
    69. 

  69. <span class="sourceLineNo">061</span> * <a name="line.61"></a>
    70. 

  70. <span class="sourceLineNo">062</span> */<a name="line.62"></a>
    71. 

  71. <span class="sourceLineNo">063</span><a name="line.63"></a>
    72. 

  72. <span class="sourceLineNo">064</span>package org.jfree.data;<a name="line.64"></a>
    73. 

  73. <span class="sourceLineNo">065</span><a name="line.65"></a>
    74. 

  74. <span class="sourceLineNo">066</span>import java.io.Serializable;<a name="line.66"></a>
    75. 

  75. <span class="sourceLineNo">067</span>import org.jfree.chart.util.ParamChecks;<a name="line.67"></a>
    76. 

  76. <span class="sourceLineNo">068</span><a name="line.68"></a>
    77. 

  77. <span class="sourceLineNo">069</span>/**<a name="line.69"></a>
    78. 

  78. <span class="sourceLineNo">070</span> * Represents an immutable range of values.<a name="line.70"></a>
    79. 

  79. <span class="sourceLineNo">071</span> */<a name="line.71"></a>
    80. 

  80. <span class="sourceLineNo">072</span>public strictfp class Range implements Serializable {<a name="line.72"></a>
    81. 

  81. <span class="sourceLineNo">073</span><a name="line.73"></a>
    82. 

  82. <span class="sourceLineNo">074</span>    /** For serialization. */<a name="line.74"></a>
    83. 

  83. <span class="sourceLineNo">075</span>    private static final long serialVersionUID = -906333695431863380L;<a name="line.75"></a>
    84. 

  84. <span class="sourceLineNo">076</span><a name="line.76"></a>
    85. 

  85. <span class="sourceLineNo">077</span>    /** The lower bound of the range. */<a name="line.77"></a>
    86. 

  86. <span class="sourceLineNo">078</span>    private double lower;<a name="line.78"></a>
    87. 

  87. <span class="sourceLineNo">079</span><a name="line.79"></a>
    88. 

  88. <span class="sourceLineNo">080</span>    /** The upper bound of the range. */<a name="line.80"></a>
    89. 

  89. <span class="sourceLineNo">081</span>    private double upper;<a name="line.81"></a>
    90. 

  90. <span class="sourceLineNo">082</span><a name="line.82"></a>
    91. 

  91. <span class="sourceLineNo">083</span>    /**<a name="line.83"></a>
    92. 

  92. <span class="sourceLineNo">084</span>     * Creates a new range.<a name="line.84"></a>
    93. 

  93. <span class="sourceLineNo">085</span>     *<a name="line.85"></a>
    94. 

  94. <span class="sourceLineNo">086</span>     * @param lower  the lower bound (must be &amp;lt;= upper bound).<a name="line.86"></a>
    95. 

  95. <span class="sourceLineNo">087</span>     * @param upper  the upper bound (must be &amp;gt;= lower bound).<a name="line.87"></a>
    96. 

  96. <span class="sourceLineNo">088</span>     */<a name="line.88"></a>
    97. 

  97. <span class="sourceLineNo">089</span>    public Range(double lower, double upper) {<a name="line.89"></a>
    98. 

  98. <span class="sourceLineNo">090</span>        if (lower &gt; upper) {<a name="line.90"></a>
    99. 

  99. <span class="sourceLineNo">091</span>            String msg = "Range(double, double): require lower (" + lower<a name="line.91"></a>
    100. 

  100. <span class="sourceLineNo">092</span>                + ") &lt;= upper (" + upper + ").";<a name="line.92"></a>
    101. 

  101. <span class="sourceLineNo">093</span>            throw new IllegalArgumentException(msg);<a name="line.93"></a>
    102. 

  102. <span class="sourceLineNo">094</span>        }<a name="line.94"></a>
    103. 

  103. <span class="sourceLineNo">095</span>        this.lower = lower;<a name="line.95"></a>
    104. 

  104. <span class="sourceLineNo">096</span>        this.upper = upper;<a name="line.96"></a>
    105. 

  105. <span class="sourceLineNo">097</span>    }<a name="line.97"></a>
    106. 

  106. <span class="sourceLineNo">098</span><a name="line.98"></a>
    107. 

  107. <span class="sourceLineNo">099</span>    /**<a name="line.99"></a>
    108. 

  108. <span class="sourceLineNo">100</span>     * Returns the lower bound for the range.<a name="line.100"></a>
    109. 

  109. <span class="sourceLineNo">101</span>     *<a name="line.101"></a>
    110. 

  110. <span class="sourceLineNo">102</span>     * @return The lower bound.<a name="line.102"></a>
    111. 

  111. <span class="sourceLineNo">103</span>     */<a name="line.103"></a>
    112. 

  112. <span class="sourceLineNo">104</span>    public double getLowerBound() {<a name="line.104"></a>
    113. 

  113. <span class="sourceLineNo">105</span>        return this.lower;<a name="line.105"></a>
    114. 

  114. <span class="sourceLineNo">106</span>    }<a name="line.106"></a>
    115. 

  115. <span class="sourceLineNo">107</span><a name="line.107"></a>
    116. 

  116. <span class="sourceLineNo">108</span>    /**<a name="line.108"></a>
    117. 

  117. <span class="sourceLineNo">109</span>     * Returns the upper bound for the range.<a name="line.109"></a>
    118. 

  118. <span class="sourceLineNo">110</span>     *<a name="line.110"></a>
    119. 

  119. <span class="sourceLineNo">111</span>     * @return The upper bound.<a name="line.111"></a>
    120. 

  120. <span class="sourceLineNo">112</span>     */<a name="line.112"></a>
    121. 

  121. <span class="sourceLineNo">113</span>    public double getUpperBound() {<a name="line.113"></a>
    122. 

  122. <span class="sourceLineNo">114</span>        return this.upper;<a name="line.114"></a>
    123. 

  123. <span class="sourceLineNo">115</span>    }<a name="line.115"></a>
    124. 

  124. <span class="sourceLineNo">116</span><a name="line.116"></a>
    125. 

  125. <span class="sourceLineNo">117</span>    /**<a name="line.117"></a>
    126. 

  126. <span class="sourceLineNo">118</span>     * Returns the length of the range.<a name="line.118"></a>
    127. 

  127. <span class="sourceLineNo">119</span>     *<a name="line.119"></a>
    128. 

  128. <span class="sourceLineNo">120</span>     * @return The length.<a name="line.120"></a>
    129. 

  129. <span class="sourceLineNo">121</span>     */<a name="line.121"></a>
    130. 

  130. <span class="sourceLineNo">122</span>    public double getLength() {<a name="line.122"></a>
    131. 

  131. <span class="sourceLineNo">123</span>        return this.upper - this.lower;<a name="line.123"></a>
    132. 

  132. <span class="sourceLineNo">124</span>    }<a name="line.124"></a>
    133. 

  133. <span class="sourceLineNo">125</span><a name="line.125"></a>
    134. 

  134. <span class="sourceLineNo">126</span>    /**<a name="line.126"></a>
    135. 

  135. <span class="sourceLineNo">127</span>     * Returns the central value for the range.<a name="line.127"></a>
    136. 

  136. <span class="sourceLineNo">128</span>     *<a name="line.128"></a>
    137. 

  137. <span class="sourceLineNo">129</span>     * @return The central value.<a name="line.129"></a>
    138. 

  138. <span class="sourceLineNo">130</span>     */<a name="line.130"></a>
    139. 

  139. <span class="sourceLineNo">131</span>    public double getCentralValue() {<a name="line.131"></a>
    140. 

  140. <span class="sourceLineNo">132</span>        return this.lower / 2.0 + this.upper / 2.0;<a name="line.132"></a>
    141. 

  141. <span class="sourceLineNo">133</span>    }<a name="line.133"></a>
    142. 

  142. <span class="sourceLineNo">134</span><a name="line.134"></a>
    143. 

  143. <span class="sourceLineNo">135</span>    /**<a name="line.135"></a>
    144. 

  144. <span class="sourceLineNo">136</span>     * Returns &lt;code&gt;true&lt;/code&gt; if the range contains the specified value and<a name="line.136"></a>
    145. 

  145. <span class="sourceLineNo">137</span>     * &lt;code&gt;false&lt;/code&gt; otherwise.<a name="line.137"></a>
    146. 

  146. <span class="sourceLineNo">138</span>     *<a name="line.138"></a>
    147. 

  147. <span class="sourceLineNo">139</span>     * @param value  the value to lookup.<a name="line.139"></a>
    148. 

  148. <span class="sourceLineNo">140</span>     *<a name="line.140"></a>
    149. 

  149. <span class="sourceLineNo">141</span>     * @return &lt;code&gt;true&lt;/code&gt; if the range contains the specified value.<a name="line.141"></a>
    150. 

  150. <span class="sourceLineNo">142</span>     */<a name="line.142"></a>
    151. 

  151. <span class="sourceLineNo">143</span>    public boolean contains(double value) {<a name="line.143"></a>
    152. 

  152. <span class="sourceLineNo">144</span>        return (value &gt;= this.lower &amp;&amp; value &lt;= this.upper);<a name="line.144"></a>
    153. 

  153. <span class="sourceLineNo">145</span>    }<a name="line.145"></a>
    154. 

  154. <span class="sourceLineNo">146</span><a name="line.146"></a>
    155. 

  155. <span class="sourceLineNo">147</span>    /**<a name="line.147"></a>
    156. 

  156. <span class="sourceLineNo">148</span>     * Returns &lt;code&gt;true&lt;/code&gt; if the range intersects with the specified<a name="line.148"></a>
    157. 

  157. <span class="sourceLineNo">149</span>     * range, and &lt;code&gt;false&lt;/code&gt; otherwise.<a name="line.149"></a>
    158. 

  158. <span class="sourceLineNo">150</span>     *<a name="line.150"></a>
    159. 

  159. <span class="sourceLineNo">151</span>     * @param b0  the lower bound (should be &amp;lt;= b1).<a name="line.151"></a>
    160. 

  160. <span class="sourceLineNo">152</span>     * @param b1  the upper bound (should be &amp;gt;= b0).<a name="line.152"></a>
    161. 

  161. <span class="sourceLineNo">153</span>     *<a name="line.153"></a>
    162. 

  162. <span class="sourceLineNo">154</span>     * @return A boolean.<a name="line.154"></a>
    163. 

  163. <span class="sourceLineNo">155</span>     */<a name="line.155"></a>
    164. 

  164. <span class="sourceLineNo">156</span>    public boolean intersects(double b0, double b1) {<a name="line.156"></a>
    165. 

  165. <span class="sourceLineNo">157</span>        if (b0 &lt;= this.lower) {<a name="line.157"></a>
    166. 

  166. <span class="sourceLineNo">158</span>            return (b1 &gt; this.lower);<a name="line.158"></a>
    167. 

  167. <span class="sourceLineNo">159</span>        }<a name="line.159"></a>
    168. 

  168. <span class="sourceLineNo">160</span>        else {<a name="line.160"></a>
    169. 

  169. <span class="sourceLineNo">161</span>            return (b0 &lt; this.upper &amp;&amp; b1 &gt;= b0);<a name="line.161"></a>
    170. 

  170. <span class="sourceLineNo">162</span>        }<a name="line.162"></a>
    171. 

  171. <span class="sourceLineNo">163</span>    }<a name="line.163"></a>
    172. 

  172. <span class="sourceLineNo">164</span><a name="line.164"></a>
    173. 

  173. <span class="sourceLineNo">165</span>    /**<a name="line.165"></a>
    174. 

  174. <span class="sourceLineNo">166</span>     * Returns &lt;code&gt;true&lt;/code&gt; if the range intersects with the specified<a name="line.166"></a>
    175. 

  175. <span class="sourceLineNo">167</span>     * range, and &lt;code&gt;false&lt;/code&gt; otherwise.<a name="line.167"></a>
    176. 

  176. <span class="sourceLineNo">168</span>     *<a name="line.168"></a>
    177. 

  177. <span class="sourceLineNo">169</span>     * @param range  another range (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.169"></a>
    178. 

  178. <span class="sourceLineNo">170</span>     *<a name="line.170"></a>
    179. 

  179. <span class="sourceLineNo">171</span>     * @return A boolean.<a name="line.171"></a>
    180. 

  180. <span class="sourceLineNo">172</span>     *<a name="line.172"></a>
    181. 

  181. <span class="sourceLineNo">173</span>     * @since 1.0.9<a name="line.173"></a>
    182. 

  182. <span class="sourceLineNo">174</span>     */<a name="line.174"></a>
    183. 

  183. <span class="sourceLineNo">175</span>    public boolean intersects(Range range) {<a name="line.175"></a>
    184. 

  184. <span class="sourceLineNo">176</span>        return intersects(range.getLowerBound(), range.getUpperBound());<a name="line.176"></a>
    185. 

  185. <span class="sourceLineNo">177</span>    }<a name="line.177"></a>
    186. 

  186. <span class="sourceLineNo">178</span><a name="line.178"></a>
    187. 

  187. <span class="sourceLineNo">179</span>    /**<a name="line.179"></a>
    188. 

  188. <span class="sourceLineNo">180</span>     * Returns the value within the range that is closest to the specified<a name="line.180"></a>
    189. 

  189. <span class="sourceLineNo">181</span>     * value.<a name="line.181"></a>
    190. 

  190. <span class="sourceLineNo">182</span>     *<a name="line.182"></a>
    191. 

  191. <span class="sourceLineNo">183</span>     * @param value  the value.<a name="line.183"></a>
    192. 

  192. <span class="sourceLineNo">184</span>     *<a name="line.184"></a>
    193. 

  193. <span class="sourceLineNo">185</span>     * @return The constrained value.<a name="line.185"></a>
    194. 

  194. <span class="sourceLineNo">186</span>     */<a name="line.186"></a>
    195. 

  195. <span class="sourceLineNo">187</span>    public double constrain(double value) {<a name="line.187"></a>
    196. 

  196. <span class="sourceLineNo">188</span>        double result = value;<a name="line.188"></a>
    197. 

  197. <span class="sourceLineNo">189</span>        if (!contains(value)) {<a name="line.189"></a>
    198. 

  198. <span class="sourceLineNo">190</span>            if (value &gt; this.upper) {<a name="line.190"></a>
    199. 

  199. <span class="sourceLineNo">191</span>                result = this.upper;<a name="line.191"></a>
    200. 

  200. <span class="sourceLineNo">192</span>            }<a name="line.192"></a>
    201. 

  201. <span class="sourceLineNo">193</span>            else if (value &lt; this.lower) {<a name="line.193"></a>
    202. 

  202. <span class="sourceLineNo">194</span>                result = this.lower;<a name="line.194"></a>
    203. 

  203. <span class="sourceLineNo">195</span>            }<a name="line.195"></a>
    204. 

  204. <span class="sourceLineNo">196</span>        }<a name="line.196"></a>
    205. 

  205. <span class="sourceLineNo">197</span>        return result;<a name="line.197"></a>
    206. 

  206. <span class="sourceLineNo">198</span>    }<a name="line.198"></a>
    207. 

  207. <span class="sourceLineNo">199</span><a name="line.199"></a>
    208. 

  208. <span class="sourceLineNo">200</span>    /**<a name="line.200"></a>
    209. 

  209. <span class="sourceLineNo">201</span>     * Creates a new range by combining two existing ranges.<a name="line.201"></a>
    210. 

  210. <span class="sourceLineNo">202</span>     * &lt;P&gt;<a name="line.202"></a>
    211. 

  211. <span class="sourceLineNo">203</span>     * Note that:<a name="line.203"></a>
    212. 

  212. <span class="sourceLineNo">204</span>     * &lt;ul&gt;<a name="line.204"></a>
    213. 

  213. <span class="sourceLineNo">205</span>     *   &lt;li&gt;either range can be &lt;code&gt;null&lt;/code&gt;, in which case the other<a name="line.205"></a>
    214. 

  214. <span class="sourceLineNo">206</span>     *       range is returned;&lt;/li&gt;<a name="line.206"></a>
    215. 

  215. <span class="sourceLineNo">207</span>     *   &lt;li&gt;if both ranges are &lt;code&gt;null&lt;/code&gt; the return value is<a name="line.207"></a>
    216. 

  216. <span class="sourceLineNo">208</span>     *       &lt;code&gt;null&lt;/code&gt;.&lt;/li&gt;<a name="line.208"></a>
    217. 

  217. <span class="sourceLineNo">209</span>     * &lt;/ul&gt;<a name="line.209"></a>
    218. 

  218. <span class="sourceLineNo">210</span>     *<a name="line.210"></a>
    219. 

  219. <span class="sourceLineNo">211</span>     * @param range1  the first range (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.211"></a>
    220. 

  220. <span class="sourceLineNo">212</span>     * @param range2  the second range (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.212"></a>
    221. 

  221. <span class="sourceLineNo">213</span>     *<a name="line.213"></a>
    222. 

  222. <span class="sourceLineNo">214</span>     * @return A new range (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.214"></a>
    223. 

  223. <span class="sourceLineNo">215</span>     */<a name="line.215"></a>
    224. 

  224. <span class="sourceLineNo">216</span>    public static Range combine(Range range1, Range range2) {<a name="line.216"></a>
    225. 

  225. <span class="sourceLineNo">217</span>        if (range1 == null) {<a name="line.217"></a>
    226. 

  226. <span class="sourceLineNo">218</span>            return range2;<a name="line.218"></a>
    227. 

  227. <span class="sourceLineNo">219</span>        }<a name="line.219"></a>
    228. 

  228. <span class="sourceLineNo">220</span>        if (range2 == null) {<a name="line.220"></a>
    229. 

  229. <span class="sourceLineNo">221</span>            return range1;<a name="line.221"></a>
    230. 

  230. <span class="sourceLineNo">222</span>        }<a name="line.222"></a>
    231. 

  231. <span class="sourceLineNo">223</span>        double l = Math.min(range1.getLowerBound(), range2.getLowerBound());<a name="line.223"></a>
    232. 

  232. <span class="sourceLineNo">224</span>        double u = Math.max(range1.getUpperBound(), range2.getUpperBound());<a name="line.224"></a>
    233. 

  233. <span class="sourceLineNo">225</span>        return new Range(l, u);<a name="line.225"></a>
    234. 

  234. <span class="sourceLineNo">226</span>    }<a name="line.226"></a>
    235. 

  235. <span class="sourceLineNo">227</span><a name="line.227"></a>
    236. 

  236. <span class="sourceLineNo">228</span>    /**<a name="line.228"></a>
    237. 

  237. <span class="sourceLineNo">229</span>     * Returns a new range that spans both &lt;code&gt;range1&lt;/code&gt; and <a name="line.229"></a>
    238. 

  238. <span class="sourceLineNo">230</span>     * &lt;code&gt;range2&lt;/code&gt;.  This method has a special handling to ignore<a name="line.230"></a>
    239. 

  239. <span class="sourceLineNo">231</span>     * Double.NaN values.<a name="line.231"></a>
    240. 

  240. <span class="sourceLineNo">232</span>     *<a name="line.232"></a>
    241. 

  241. <span class="sourceLineNo">233</span>     * @param range1  the first range (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.233"></a>
    242. 

  242. <span class="sourceLineNo">234</span>     * @param range2  the second range (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.234"></a>
    243. 

  243. <span class="sourceLineNo">235</span>     *<a name="line.235"></a>
    244. 

  244. <span class="sourceLineNo">236</span>     * @return A new range (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.236"></a>
    245. 

  245. <span class="sourceLineNo">237</span>     *<a name="line.237"></a>
    246. 

  246. <span class="sourceLineNo">238</span>     * @since 1.0.15<a name="line.238"></a>
    247. 

  247. <span class="sourceLineNo">239</span>     */<a name="line.239"></a>
    248. 

  248. <span class="sourceLineNo">240</span>    public static Range combineIgnoringNaN(Range range1, Range range2) {<a name="line.240"></a>
    249. 

  249. <span class="sourceLineNo">241</span>        if (range1 == null) {<a name="line.241"></a>
    250. 

  250. <span class="sourceLineNo">242</span>            if (range2 != null &amp;&amp; range2.isNaNRange()) {<a name="line.242"></a>
    251. 

  251. <span class="sourceLineNo">243</span>                return null;<a name="line.243"></a>
    252. 

  252. <span class="sourceLineNo">244</span>            }<a name="line.244"></a>
    253. 

  253. <span class="sourceLineNo">245</span>            return range2;<a name="line.245"></a>
    254. 

  254. <span class="sourceLineNo">246</span>        }<a name="line.246"></a>
    255. 

  255. <span class="sourceLineNo">247</span>        if (range2 == null) {<a name="line.247"></a>
    256. 

  256. <span class="sourceLineNo">248</span>            if (range1.isNaNRange()) {<a name="line.248"></a>
    257. 

  257. <span class="sourceLineNo">249</span>                return null;<a name="line.249"></a>
    258. 

  258. <span class="sourceLineNo">250</span>            }<a name="line.250"></a>
    259. 

  259. <span class="sourceLineNo">251</span>            return range1;<a name="line.251"></a>
    260. 

  260. <span class="sourceLineNo">252</span>        }<a name="line.252"></a>
    261. 

  261. <span class="sourceLineNo">253</span>        double l = min(range1.getLowerBound(), range2.getLowerBound());<a name="line.253"></a>
    262. 

  262. <span class="sourceLineNo">254</span>        double u = max(range1.getUpperBound(), range2.getUpperBound());<a name="line.254"></a>
    263. 

  263. <span class="sourceLineNo">255</span>        if (Double.isNaN(l) &amp;&amp; Double.isNaN(u)) {<a name="line.255"></a>
    264. 

  264. <span class="sourceLineNo">256</span>            return null;<a name="line.256"></a>
    265. 

  265. <span class="sourceLineNo">257</span>        }<a name="line.257"></a>
    266. 

  266. <span class="sourceLineNo">258</span>        return new Range(l, u);<a name="line.258"></a>
    267. 

  267. <span class="sourceLineNo">259</span>    }<a name="line.259"></a>
    268. 

  268. <span class="sourceLineNo">260</span>    <a name="line.260"></a>
    269. 

  269. <span class="sourceLineNo">261</span>    /**<a name="line.261"></a>
    270. 

  270. <span class="sourceLineNo">262</span>     * Returns the minimum value.  If either value is NaN, the other value is <a name="line.262"></a>
    271. 

  271. <span class="sourceLineNo">263</span>     * returned.  If both are NaN, NaN is returned.<a name="line.263"></a>
    272. 

  272. <span class="sourceLineNo">264</span>     * <a name="line.264"></a>
    273. 

  273. <span class="sourceLineNo">265</span>     * @param d1  value 1.<a name="line.265"></a>
    274. 

  274. <span class="sourceLineNo">266</span>     * @param d2  value 2.<a name="line.266"></a>
    275. 

  275. <span class="sourceLineNo">267</span>     * <a name="line.267"></a>
    276. 

  276. <span class="sourceLineNo">268</span>     * @return The minimum of the two values. <a name="line.268"></a>
    277. 

  277. <span class="sourceLineNo">269</span>     */<a name="line.269"></a>
    278. 

  278. <span class="sourceLineNo">270</span>    private static double min(double d1, double d2) {<a name="line.270"></a>
    279. 

  279. <span class="sourceLineNo">271</span>        if (Double.isNaN(d1)) {<a name="line.271"></a>
    280. 

  280. <span class="sourceLineNo">272</span>            return d2;<a name="line.272"></a>
    281. 

  281. <span class="sourceLineNo">273</span>        }<a name="line.273"></a>
    282. 

  282. <span class="sourceLineNo">274</span>        if (Double.isNaN(d2)) {<a name="line.274"></a>
    283. 

  283. <span class="sourceLineNo">275</span>            return d1;<a name="line.275"></a>
    284. 

  284. <span class="sourceLineNo">276</span>        }<a name="line.276"></a>
    285. 

  285. <span class="sourceLineNo">277</span>        return Math.min(d1, d2);<a name="line.277"></a>
    286. 

  286. <span class="sourceLineNo">278</span>    }<a name="line.278"></a>
    287. 

  287. <span class="sourceLineNo">279</span><a name="line.279"></a>
    288. 

  288. <span class="sourceLineNo">280</span>    private static double max(double d1, double d2) {<a name="line.280"></a>
    289. 

  289. <span class="sourceLineNo">281</span>        if (Double.isNaN(d1)) {<a name="line.281"></a>
    290. 

  290. <span class="sourceLineNo">282</span>            return d2;<a name="line.282"></a>
    291. 

  291. <span class="sourceLineNo">283</span>        }<a name="line.283"></a>
    292. 

  292. <span class="sourceLineNo">284</span>        if (Double.isNaN(d2)) {<a name="line.284"></a>
    293. 

  293. <span class="sourceLineNo">285</span>            return d1;<a name="line.285"></a>
    294. 

  294. <span class="sourceLineNo">286</span>        }<a name="line.286"></a>
    295. 

  295. <span class="sourceLineNo">287</span>        return Math.max(d1, d2);<a name="line.287"></a>
    296. 

  296. <span class="sourceLineNo">288</span>    }<a name="line.288"></a>
    297. 

  297. <span class="sourceLineNo">289</span><a name="line.289"></a>
    298. 

  298. <span class="sourceLineNo">290</span>    /**<a name="line.290"></a>
    299. 

  299. <span class="sourceLineNo">291</span>     * Returns a range that includes all the values in the specified<a name="line.291"></a>
    300. 

  300. <span class="sourceLineNo">292</span>     * &lt;code&gt;range&lt;/code&gt; AND the specified &lt;code&gt;value&lt;/code&gt;.<a name="line.292"></a>
    301. 

  301. <span class="sourceLineNo">293</span>     *<a name="line.293"></a>
    302. 

  302. <span class="sourceLineNo">294</span>     * @param range  the range (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.294"></a>
    303. 

  303. <span class="sourceLineNo">295</span>     * @param value  the value that must be included.<a name="line.295"></a>
    304. 

  304. <span class="sourceLineNo">296</span>     *<a name="line.296"></a>
    305. 

  305. <span class="sourceLineNo">297</span>     * @return A range.<a name="line.297"></a>
    306. 

  306. <span class="sourceLineNo">298</span>     *<a name="line.298"></a>
    307. 

  307. <span class="sourceLineNo">299</span>     * @since 1.0.1<a name="line.299"></a>
    308. 

  308. <span class="sourceLineNo">300</span>     */<a name="line.300"></a>
    309. 

  309. <span class="sourceLineNo">301</span>    public static Range expandToInclude(Range range, double value) {<a name="line.301"></a>
    310. 

  310. <span class="sourceLineNo">302</span>        if (range == null) {<a name="line.302"></a>
    311. 

  311. <span class="sourceLineNo">303</span>            return new Range(value, value);<a name="line.303"></a>
    312. 

  312. <span class="sourceLineNo">304</span>        }<a name="line.304"></a>
    313. 

  313. <span class="sourceLineNo">305</span>        if (value &lt; range.getLowerBound()) {<a name="line.305"></a>
    314. 

  314. <span class="sourceLineNo">306</span>            return new Range(value, range.getUpperBound());<a name="line.306"></a>
    315. 

  315. <span class="sourceLineNo">307</span>        }<a name="line.307"></a>
    316. 

  316. <span class="sourceLineNo">308</span>        else if (value &gt; range.getUpperBound()) {<a name="line.308"></a>
    317. 

  317. <span class="sourceLineNo">309</span>            return new Range(range.getLowerBound(), value);<a name="line.309"></a>
    318. 

  318. <span class="sourceLineNo">310</span>        }<a name="line.310"></a>
    319. 

  319. <span class="sourceLineNo">311</span>        else {<a name="line.311"></a>
    320. 

  320. <span class="sourceLineNo">312</span>            return range;<a name="line.312"></a>
    321. 

  321. <span class="sourceLineNo">313</span>        }<a name="line.313"></a>
    322. 

  322. <span class="sourceLineNo">314</span>    }<a name="line.314"></a>
    323. 

  323. <span class="sourceLineNo">315</span><a name="line.315"></a>
    324. 

  324. <span class="sourceLineNo">316</span>    /**<a name="line.316"></a>
    325. 

  325. <span class="sourceLineNo">317</span>     * Creates a new range by adding margins to an existing range.<a name="line.317"></a>
    326. 

  326. <span class="sourceLineNo">318</span>     *<a name="line.318"></a>
    327. 

  327. <span class="sourceLineNo">319</span>     * @param range  the range (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.319"></a>
    328. 

  328. <span class="sourceLineNo">320</span>     * @param lowerMargin  the lower margin (expressed as a percentage of the<a name="line.320"></a>
    329. 

  329. <span class="sourceLineNo">321</span>     *                     range length).<a name="line.321"></a>
    330. 

  330. <span class="sourceLineNo">322</span>     * @param upperMargin  the upper margin (expressed as a percentage of the<a name="line.322"></a>
    331. 

  331. <span class="sourceLineNo">323</span>     *                     range length).<a name="line.323"></a>
    332. 

  332. <span class="sourceLineNo">324</span>     *<a name="line.324"></a>
    333. 

  333. <span class="sourceLineNo">325</span>     * @return The expanded range.<a name="line.325"></a>
    334. 

  334. <span class="sourceLineNo">326</span>     */<a name="line.326"></a>
    335. 

  335. <span class="sourceLineNo">327</span>    public static Range expand(Range range,<a name="line.327"></a>
    336. 

  336. <span class="sourceLineNo">328</span>                               double lowerMargin, double upperMargin) {<a name="line.328"></a>
    337. 

  337. <span class="sourceLineNo">329</span>        ParamChecks.nullNotPermitted(range, "range");<a name="line.329"></a>
    338. 

  338. <span class="sourceLineNo">330</span>        double length = range.getLength();<a name="line.330"></a>
    339. 

  339. <span class="sourceLineNo">331</span>        double lower = range.getLowerBound() - length * lowerMargin;<a name="line.331"></a>
    340. 

  340. <span class="sourceLineNo">332</span>        double upper = range.getUpperBound() + length * upperMargin;<a name="line.332"></a>
    341. 

  341. <span class="sourceLineNo">333</span>        if (lower &gt; upper) {<a name="line.333"></a>
    342. 

  342. <span class="sourceLineNo">334</span>            lower = lower / 2.0 + upper / 2.0;<a name="line.334"></a>
    343. 

  343. <span class="sourceLineNo">335</span>            upper = lower;<a name="line.335"></a>
    344. 

  344. <span class="sourceLineNo">336</span>        }<a name="line.336"></a>
    345. 

  345. <span class="sourceLineNo">337</span>        return new Range(lower, upper);<a name="line.337"></a>
    346. 

  346. <span class="sourceLineNo">338</span>    }<a name="line.338"></a>
    347. 

  347. <span class="sourceLineNo">339</span><a name="line.339"></a>
    348. 

  348. <span class="sourceLineNo">340</span>    /**<a name="line.340"></a>
    349. 

  349. <span class="sourceLineNo">341</span>     * Shifts the range by the specified amount.<a name="line.341"></a>
    350. 

  350. <span class="sourceLineNo">342</span>     *<a name="line.342"></a>
    351. 

  351. <span class="sourceLineNo">343</span>     * @param base  the base range (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.343"></a>
    352. 

  352. <span class="sourceLineNo">344</span>     * @param delta  the shift amount.<a name="line.344"></a>
    353. 

  353. <span class="sourceLineNo">345</span>     *<a name="line.345"></a>
    354. 

  354. <span class="sourceLineNo">346</span>     * @return A new range.<a name="line.346"></a>
    355. 

  355. <span class="sourceLineNo">347</span>     */<a name="line.347"></a>
    356. 

  356. <span class="sourceLineNo">348</span>    public static Range shift(Range base, double delta) {<a name="line.348"></a>
    357. 

  357. <span class="sourceLineNo">349</span>        return shift(base, delta, false);<a name="line.349"></a>
    358. 

  358. <span class="sourceLineNo">350</span>    }<a name="line.350"></a>
    359. 

  359. <span class="sourceLineNo">351</span><a name="line.351"></a>
    360. 

  360. <span class="sourceLineNo">352</span>    /**<a name="line.352"></a>
    361. 

  361. <span class="sourceLineNo">353</span>     * Shifts the range by the specified amount.<a name="line.353"></a>
    362. 

  362. <span class="sourceLineNo">354</span>     *<a name="line.354"></a>
    363. 

  363. <span class="sourceLineNo">355</span>     * @param base  the base range (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.355"></a>
    364. 

  364. <span class="sourceLineNo">356</span>     * @param delta  the shift amount.<a name="line.356"></a>
    365. 

  365. <span class="sourceLineNo">357</span>     * @param allowZeroCrossing  a flag that determines whether or not the<a name="line.357"></a>
    366. 

  366. <span class="sourceLineNo">358</span>     *                           bounds of the range are allowed to cross<a name="line.358"></a>
    367. 

  367. <span class="sourceLineNo">359</span>     *                           zero after adjustment.<a name="line.359"></a>
    368. 

  368. <span class="sourceLineNo">360</span>     *<a name="line.360"></a>
    369. 

  369. <span class="sourceLineNo">361</span>     * @return A new range.<a name="line.361"></a>
    370. 

  370. <span class="sourceLineNo">362</span>     */<a name="line.362"></a>
    371. 

  371. <span class="sourceLineNo">363</span>    public static Range shift(Range base, double delta,<a name="line.363"></a>
    372. 

  372. <span class="sourceLineNo">364</span>                              boolean allowZeroCrossing) {<a name="line.364"></a>
    373. 

  373. <span class="sourceLineNo">365</span>        ParamChecks.nullNotPermitted(base, "base");<a name="line.365"></a>
    374. 

  374. <span class="sourceLineNo">366</span>        if (allowZeroCrossing) {<a name="line.366"></a>
    375. 

  375. <span class="sourceLineNo">367</span>            return new Range(base.getLowerBound() + delta,<a name="line.367"></a>
    376. 

  376. <span class="sourceLineNo">368</span>                    base.getUpperBound() + delta);<a name="line.368"></a>
    377. 

  377. <span class="sourceLineNo">369</span>        }<a name="line.369"></a>
    378. 

  378. <span class="sourceLineNo">370</span>        else {<a name="line.370"></a>
    379. 

  379. <span class="sourceLineNo">371</span>            return new Range(shiftWithNoZeroCrossing(base.getLowerBound(),<a name="line.371"></a>
    380. 

  380. <span class="sourceLineNo">372</span>                    delta), shiftWithNoZeroCrossing(base.getUpperBound(),<a name="line.372"></a>
    381. 

  381. <span class="sourceLineNo">373</span>                    delta));<a name="line.373"></a>
    382. 

  382. <span class="sourceLineNo">374</span>        }<a name="line.374"></a>
    383. 

  383. <span class="sourceLineNo">375</span>    }<a name="line.375"></a>
    384. 

  384. <span class="sourceLineNo">376</span><a name="line.376"></a>
    385. 

  385. <span class="sourceLineNo">377</span>    /**<a name="line.377"></a>
    386. 

  386. <span class="sourceLineNo">378</span>     * Returns the given &lt;code&gt;value&lt;/code&gt; adjusted by &lt;code&gt;delta&lt;/code&gt; but<a name="line.378"></a>
    387. 

  387. <span class="sourceLineNo">379</span>     * with a check to prevent the result from crossing &lt;code&gt;0.0&lt;/code&gt;.<a name="line.379"></a>
    388. 

  388. <span class="sourceLineNo">380</span>     *<a name="line.380"></a>
    389. 

  389. <span class="sourceLineNo">381</span>     * @param value  the value.<a name="line.381"></a>
    390. 

  390. <span class="sourceLineNo">382</span>     * @param delta  the adjustment.<a name="line.382"></a>
    391. 

  391. <span class="sourceLineNo">383</span>     *<a name="line.383"></a>
    392. 

  392. <span class="sourceLineNo">384</span>     * @return The adjusted value.<a name="line.384"></a>
    393. 

  393. <span class="sourceLineNo">385</span>     */<a name="line.385"></a>
    394. 

  394. <span class="sourceLineNo">386</span>    private static double shiftWithNoZeroCrossing(double value, double delta) {<a name="line.386"></a>
    395. 

  395. <span class="sourceLineNo">387</span>        if (value &gt; 0.0) {<a name="line.387"></a>
    396. 

  396. <span class="sourceLineNo">388</span>            return Math.max(value + delta, 0.0);<a name="line.388"></a>
    397. 

  397. <span class="sourceLineNo">389</span>        }<a name="line.389"></a>
    398. 

  398. <span class="sourceLineNo">390</span>        else if (value &lt; 0.0) {<a name="line.390"></a>
    399. 

  399. <span class="sourceLineNo">391</span>            return Math.min(value + delta, 0.0);<a name="line.391"></a>
    400. 

  400. <span class="sourceLineNo">392</span>        }<a name="line.392"></a>
    401. 

  401. <span class="sourceLineNo">393</span>        else {<a name="line.393"></a>
    402. 

  402. <span class="sourceLineNo">394</span>            return value + delta;<a name="line.394"></a>
    403. 

  403. <span class="sourceLineNo">395</span>        }<a name="line.395"></a>
    404. 

  404. <span class="sourceLineNo">396</span>    }<a name="line.396"></a>
    405. 

  405. <span class="sourceLineNo">397</span><a name="line.397"></a>
    406. 

  406. <span class="sourceLineNo">398</span>    /**<a name="line.398"></a>
    407. 

  407. <span class="sourceLineNo">399</span>     * Scales the range by the specified factor.<a name="line.399"></a>
    408. 

  408. <span class="sourceLineNo">400</span>     *<a name="line.400"></a>
    409. 

  409. <span class="sourceLineNo">401</span>     * @param base the base range (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.401"></a>
    410. 

  410. <span class="sourceLineNo">402</span>     * @param factor the scaling factor (must be non-negative).<a name="line.402"></a>
    411. 

  411. <span class="sourceLineNo">403</span>     *<a name="line.403"></a>
    412. 

  412. <span class="sourceLineNo">404</span>     * @return A new range.<a name="line.404"></a>
    413. 

  413. <span class="sourceLineNo">405</span>     *<a name="line.405"></a>
    414. 

  414. <span class="sourceLineNo">406</span>     * @since 1.0.9<a name="line.406"></a>
    415. 

  415. <span class="sourceLineNo">407</span>     */<a name="line.407"></a>
    416. 

  416. <span class="sourceLineNo">408</span>    public static Range scale(Range base, double factor) {<a name="line.408"></a>
    417. 

  417. <span class="sourceLineNo">409</span>        ParamChecks.nullNotPermitted(base, "base");<a name="line.409"></a>
    418. 

  418. <span class="sourceLineNo">410</span>        if (factor &lt; 0) {<a name="line.410"></a>
    419. 

  419. <span class="sourceLineNo">411</span>            throw new IllegalArgumentException("Negative 'factor' argument.");<a name="line.411"></a>
    420. 

  420. <span class="sourceLineNo">412</span>        }<a name="line.412"></a>
    421. 

  421. <span class="sourceLineNo">413</span>        return new Range(base.getLowerBound() * factor,<a name="line.413"></a>
    422. 

  422. <span class="sourceLineNo">414</span>                base.getUpperBound() * factor);<a name="line.414"></a>
    423. 

  423. <span class="sourceLineNo">415</span>    }<a name="line.415"></a>
    424. 

  424. <span class="sourceLineNo">416</span><a name="line.416"></a>
    425. 

  425. <span class="sourceLineNo">417</span>    /**<a name="line.417"></a>
    426. 

  426. <span class="sourceLineNo">418</span>     * Tests this object for equality with an arbitrary object.<a name="line.418"></a>
    427. 

  427. <span class="sourceLineNo">419</span>     *<a name="line.419"></a>
    428. 

  428. <span class="sourceLineNo">420</span>     * @param obj  the object to test against (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.420"></a>
    429. 

  429. <span class="sourceLineNo">421</span>     *<a name="line.421"></a>
    430. 

  430. <span class="sourceLineNo">422</span>     * @return A boolean.<a name="line.422"></a>
    431. 

  431. <span class="sourceLineNo">423</span>     */<a name="line.423"></a>
    432. 

  432. <span class="sourceLineNo">424</span>    @Override<a name="line.424"></a>
    433. 

  433. <span class="sourceLineNo">425</span>    public boolean equals(Object obj) {<a name="line.425"></a>
    434. 

  434. <span class="sourceLineNo">426</span>        if (!(obj instanceof Range)) {<a name="line.426"></a>
    435. 

  435. <span class="sourceLineNo">427</span>            return false;<a name="line.427"></a>
    436. 

  436. <span class="sourceLineNo">428</span>        }<a name="line.428"></a>
    437. 

  437. <span class="sourceLineNo">429</span>        Range range = (Range) obj;<a name="line.429"></a>
    438. 

  438. <span class="sourceLineNo">430</span>        if (!(this.lower == range.lower)) {<a name="line.430"></a>
    439. 

  439. <span class="sourceLineNo">431</span>            return false;<a name="line.431"></a>
    440. 

  440. <span class="sourceLineNo">432</span>        }<a name="line.432"></a>
    441. 

  441. <span class="sourceLineNo">433</span>        if (!(this.upper == range.upper)) {<a name="line.433"></a>
    442. 

  442. <span class="sourceLineNo">434</span>            return false;<a name="line.434"></a>
    443. 

  443. <span class="sourceLineNo">435</span>        }<a name="line.435"></a>
    444. 

  444. <span class="sourceLineNo">436</span>        return true;<a name="line.436"></a>
    445. 

  445. <span class="sourceLineNo">437</span>    }<a name="line.437"></a>
    446. 

  446. <span class="sourceLineNo">438</span><a name="line.438"></a>
    447. 

  447. <span class="sourceLineNo">439</span>    /**<a name="line.439"></a>
    448. 

  448. <span class="sourceLineNo">440</span>     * Returns &lt;code&gt;true&lt;/code&gt; if both the lower and upper bounds are <a name="line.440"></a>
    449. 

  449. <span class="sourceLineNo">441</span>     * &lt;code&gt;Double.NaN&lt;/code&gt;, and &lt;code&gt;false&lt;/code&gt; otherwise.<a name="line.441"></a>
    450. 

  450. <span class="sourceLineNo">442</span>     * <a name="line.442"></a>
    451. 

  451. <span class="sourceLineNo">443</span>     * @return A boolean.<a name="line.443"></a>
    452. 

  452. <span class="sourceLineNo">444</span>     * <a name="line.444"></a>
    453. 

  453. <span class="sourceLineNo">445</span>     * @since 1.0.18<a name="line.445"></a>
    454. 

  454. <span class="sourceLineNo">446</span>     */<a name="line.446"></a>
    455. 

  455. <span class="sourceLineNo">447</span>    public boolean isNaNRange() {<a name="line.447"></a>
    456. 

  456. <span class="sourceLineNo">448</span>        return Double.isNaN(this.lower) &amp;&amp; Double.isNaN(this.upper);<a name="line.448"></a>
    457. 

  457. <span class="sourceLineNo">449</span>    }<a name="line.449"></a>
    458. 

  458. <span class="sourceLineNo">450</span>    <a name="line.450"></a>
    459. 

  459. <span class="sourceLineNo">451</span>    /**<a name="line.451"></a>
    460. 

  460. <span class="sourceLineNo">452</span>     * Returns a hash code.<a name="line.452"></a>
    461. 

  461. <span class="sourceLineNo">453</span>     *<a name="line.453"></a>
    462. 

  462. <span class="sourceLineNo">454</span>     * @return A hash code.<a name="line.454"></a>
    463. 

  463. <span class="sourceLineNo">455</span>     */<a name="line.455"></a>
    464. 

  464. <span class="sourceLineNo">456</span>    @Override<a name="line.456"></a>
    465. 

  465. <span class="sourceLineNo">457</span>    public int hashCode() {<a name="line.457"></a>
    466. 

  466. <span class="sourceLineNo">458</span>        int result;<a name="line.458"></a>
    467. 

  467. <span class="sourceLineNo">459</span>        long temp;<a name="line.459"></a>
    468. 

  468. <span class="sourceLineNo">460</span>        temp = Double.doubleToLongBits(this.lower);<a name="line.460"></a>
    469. 

  469. <span class="sourceLineNo">461</span>        result = (int) (temp ^ (temp &gt;&gt;&gt; 32));<a name="line.461"></a>
    470. 

  470. <span class="sourceLineNo">462</span>        temp = Double.doubleToLongBits(this.upper);<a name="line.462"></a>
    471. 

  471. <span class="sourceLineNo">463</span>        result = 29 * result + (int) (temp ^ (temp &gt;&gt;&gt; 32));<a name="line.463"></a>
    472. 

  472. <span class="sourceLineNo">464</span>        return result;<a name="line.464"></a>
    473. 

  473. <span class="sourceLineNo">465</span>    }<a name="line.465"></a>
    474. 

  474. <span class="sourceLineNo">466</span><a name="line.466"></a>
    475. 

  475. <span class="sourceLineNo">467</span>    /**<a name="line.467"></a>
    476. 

  476. <span class="sourceLineNo">468</span>     * Returns a string representation of this Range.<a name="line.468"></a>
    477. 

  477. <span class="sourceLineNo">469</span>     *<a name="line.469"></a>
    478. 

  478. <span class="sourceLineNo">470</span>     * @return A String "Range[lower,upper]" where lower=lower range and<a name="line.470"></a>
    479. 

  479. <span class="sourceLineNo">471</span>     *         upper=upper range.<a name="line.471"></a>
    480. 

  480. <span class="sourceLineNo">472</span>     */<a name="line.472"></a>
    481. 

  481. <span class="sourceLineNo">473</span>    @Override<a name="line.473"></a>
    482. 

  482. <span class="sourceLineNo">474</span>    public String toString() {<a name="line.474"></a>
    483. 

  483. <span class="sourceLineNo">475</span>        return ("Range[" + this.lower + "," + this.upper + "]");<a name="line.475"></a>
    484. 

  484. <span class="sourceLineNo">476</span>    }<a name="line.476"></a>
    485. 

  485. <span class="sourceLineNo">477</span><a name="line.477"></a>
    486. 

  486. <span class="sourceLineNo">478</span>}<a name="line.478"></a>
    487. 

  487. 

  488. 

  489. 

  490. 

  491. 

  492. 

  493. 

  494. 

  495. 

  496. 

  497. 

  498. 

  499. 

  500. 

  501. 

  502. 

  503. 

  504. 

  505. 

  506. 

  507. 

  508. 

  509. 

  510. 

  511. 

  512. 

  513. 

  514. 

  515. 

  516. 

  517. 

  518. 

  519. 

  520. 

  521. 

  522. 

  523. 

  524. 

  525. 

  526. 

  527. 

  528. 

  529. 

  530. 

  531. 

  532. 

  533. 

  534. 

  535. 

  536. 

  537. 

  538. 

  539. 

  540. 

  541. 

  542. 

  543. 

  544. 

  545. 

  546. 

  547. </pre>
    548. 

  548. </div>
    549. 

  549. </body>
    550. 

  550. </html>
    551.