Mercurial > hg > de.mpg.mpiwg.itgroup.digilib.plugin

comparison libs/commons-math-2.1/docs/apidocs/src-html/org/apache/commons/math/linear/AbstractRealVector.EntryImpl.html @ 13:cbf34dd4d7e6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
commons-math-2.1 added
author dwinter
date Tue, 04 Jan 2011 10:02:07 +0100
parents
children
comparison
equal deleted inserted replaced
12:970d26a94fb7 13:cbf34dd4d7e6
1 <HTML>
2 <BODY BGCOLOR="white">
3 <PRE>
4 <FONT color="green">001</FONT> /*<a name="line.1"></a>
5 <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
6 <FONT color="green">003</FONT> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a>
7 <FONT color="green">004</FONT> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
8 <FONT color="green">005</FONT> * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
9 <FONT color="green">006</FONT> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
10 <FONT color="green">007</FONT> * the License. You may obtain a copy of the License at<a name="line.7"></a>
11 <FONT color="green">008</FONT> *<a name="line.8"></a>
12 <FONT color="green">009</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
13 <FONT color="green">010</FONT> *<a name="line.10"></a>
14 <FONT color="green">011</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
15 <FONT color="green">012</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
16 <FONT color="green">013</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
17 <FONT color="green">014</FONT> * See the License for the specific language governing permissions and<a name="line.14"></a>
18 <FONT color="green">015</FONT> * limitations under the License.<a name="line.15"></a>
19 <FONT color="green">016</FONT> */<a name="line.16"></a>
20 <FONT color="green">017</FONT> <a name="line.17"></a>
21 <FONT color="green">018</FONT> package org.apache.commons.math.linear;<a name="line.18"></a>
22 <FONT color="green">019</FONT> <a name="line.19"></a>
23 <FONT color="green">020</FONT> import java.util.Iterator;<a name="line.20"></a>
24 <FONT color="green">021</FONT> <a name="line.21"></a>
25 <FONT color="green">022</FONT> import org.apache.commons.math.FunctionEvaluationException;<a name="line.22"></a>
26 <FONT color="green">023</FONT> import org.apache.commons.math.MathRuntimeException;<a name="line.23"></a>
27 <FONT color="green">024</FONT> import org.apache.commons.math.analysis.BinaryFunction;<a name="line.24"></a>
28 <FONT color="green">025</FONT> import org.apache.commons.math.analysis.UnivariateRealFunction;<a name="line.25"></a>
29 <FONT color="green">026</FONT> import org.apache.commons.math.analysis.ComposableFunction;<a name="line.26"></a>
30 <FONT color="green">027</FONT> <a name="line.27"></a>
31 <FONT color="green">028</FONT> /**<a name="line.28"></a>
32 <FONT color="green">029</FONT> * This class provides default basic implementations for many methods in the<a name="line.29"></a>
33 <FONT color="green">030</FONT> * {@link RealVector} interface with.<a name="line.30"></a>
34 <FONT color="green">031</FONT> * @version $Revision: 904231 $ $Date: 2010-01-28 14:42:31 -0500 (Thu, 28 Jan 2010) $<a name="line.31"></a>
35 <FONT color="green">032</FONT> * @since 2.1<a name="line.32"></a>
36 <FONT color="green">033</FONT> */<a name="line.33"></a>
37 <FONT color="green">034</FONT> public abstract class AbstractRealVector implements RealVector {<a name="line.34"></a>
38 <FONT color="green">035</FONT> <a name="line.35"></a>
39 <FONT color="green">036</FONT> /**<a name="line.36"></a>
40 <FONT color="green">037</FONT> * Check if instance and specified vectors have the same dimension.<a name="line.37"></a>
41 <FONT color="green">038</FONT> * @param v vector to compare instance with<a name="line.38"></a>
42 <FONT color="green">039</FONT> * @exception IllegalArgumentException if the vectors do not<a name="line.39"></a>
43 <FONT color="green">040</FONT> * have the same dimension<a name="line.40"></a>
44 <FONT color="green">041</FONT> */<a name="line.41"></a>
45 <FONT color="green">042</FONT> protected void checkVectorDimensions(RealVector v) {<a name="line.42"></a>
46 <FONT color="green">043</FONT> checkVectorDimensions(v.getDimension());<a name="line.43"></a>
47 <FONT color="green">044</FONT> }<a name="line.44"></a>
48 <FONT color="green">045</FONT> <a name="line.45"></a>
49 <FONT color="green">046</FONT> /**<a name="line.46"></a>
50 <FONT color="green">047</FONT> * Check if instance dimension is equal to some expected value.<a name="line.47"></a>
51 <FONT color="green">048</FONT> *<a name="line.48"></a>
52 <FONT color="green">049</FONT> * @param n expected dimension.<a name="line.49"></a>
53 <FONT color="green">050</FONT> * @exception IllegalArgumentException if the dimension is<a name="line.50"></a>
54 <FONT color="green">051</FONT> * inconsistent with vector size<a name="line.51"></a>
55 <FONT color="green">052</FONT> */<a name="line.52"></a>
56 <FONT color="green">053</FONT> protected void checkVectorDimensions(int n)<a name="line.53"></a>
57 <FONT color="green">054</FONT> throws IllegalArgumentException {<a name="line.54"></a>
58 <FONT color="green">055</FONT> double d = getDimension();<a name="line.55"></a>
59 <FONT color="green">056</FONT> if (d != n) {<a name="line.56"></a>
60 <FONT color="green">057</FONT> throw MathRuntimeException.createIllegalArgumentException(<a name="line.57"></a>
61 <FONT color="green">058</FONT> "vector length mismatch: got {0} but expected {1}",<a name="line.58"></a>
62 <FONT color="green">059</FONT> d, n);<a name="line.59"></a>
63 <FONT color="green">060</FONT> }<a name="line.60"></a>
64 <FONT color="green">061</FONT> }<a name="line.61"></a>
65 <FONT color="green">062</FONT> <a name="line.62"></a>
66 <FONT color="green">063</FONT> /**<a name="line.63"></a>
67 <FONT color="green">064</FONT> * Check if an index is valid.<a name="line.64"></a>
68 <FONT color="green">065</FONT> * @param index index to check<a name="line.65"></a>
69 <FONT color="green">066</FONT> * @exception MatrixIndexException if index is not valid<a name="line.66"></a>
70 <FONT color="green">067</FONT> */<a name="line.67"></a>
71 <FONT color="green">068</FONT> protected void checkIndex(final int index)<a name="line.68"></a>
72 <FONT color="green">069</FONT> throws MatrixIndexException {<a name="line.69"></a>
73 <FONT color="green">070</FONT> if (index &lt; 0 || index &gt;= getDimension()) {<a name="line.70"></a>
74 <FONT color="green">071</FONT> throw new MatrixIndexException(<a name="line.71"></a>
75 <FONT color="green">072</FONT> "index {0} out of allowed range [{1}, {2}]",<a name="line.72"></a>
76 <FONT color="green">073</FONT> index, 0, getDimension() - 1);<a name="line.73"></a>
77 <FONT color="green">074</FONT> }<a name="line.74"></a>
78 <FONT color="green">075</FONT> }<a name="line.75"></a>
79 <FONT color="green">076</FONT> <a name="line.76"></a>
80 <FONT color="green">077</FONT> /** {@inheritDoc} */<a name="line.77"></a>
81 <FONT color="green">078</FONT> public void setSubVector(int index, RealVector v) throws MatrixIndexException {<a name="line.78"></a>
82 <FONT color="green">079</FONT> checkIndex(index);<a name="line.79"></a>
83 <FONT color="green">080</FONT> checkIndex(index + v.getDimension() - 1);<a name="line.80"></a>
84 <FONT color="green">081</FONT> setSubVector(index, v.getData());<a name="line.81"></a>
85 <FONT color="green">082</FONT> }<a name="line.82"></a>
86 <FONT color="green">083</FONT> <a name="line.83"></a>
87 <FONT color="green">084</FONT> /** {@inheritDoc} */<a name="line.84"></a>
88 <FONT color="green">085</FONT> public void setSubVector(int index, double[] v) throws MatrixIndexException {<a name="line.85"></a>
89 <FONT color="green">086</FONT> checkIndex(index);<a name="line.86"></a>
90 <FONT color="green">087</FONT> checkIndex(index + v.length - 1);<a name="line.87"></a>
91 <FONT color="green">088</FONT> for (int i = 0; i &lt; v.length; i++) {<a name="line.88"></a>
92 <FONT color="green">089</FONT> setEntry(i + index, v[i]);<a name="line.89"></a>
93 <FONT color="green">090</FONT> }<a name="line.90"></a>
94 <FONT color="green">091</FONT> }<a name="line.91"></a>
95 <FONT color="green">092</FONT> <a name="line.92"></a>
96 <FONT color="green">093</FONT> /** {@inheritDoc} */<a name="line.93"></a>
97 <FONT color="green">094</FONT> public RealVector add(double[] v) throws IllegalArgumentException {<a name="line.94"></a>
98 <FONT color="green">095</FONT> double[] result = v.clone();<a name="line.95"></a>
99 <FONT color="green">096</FONT> Iterator&lt;Entry&gt; it = sparseIterator();<a name="line.96"></a>
100 <FONT color="green">097</FONT> Entry e;<a name="line.97"></a>
101 <FONT color="green">098</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.98"></a>
102 <FONT color="green">099</FONT> result[e.getIndex()] += e.getValue();<a name="line.99"></a>
103 <FONT color="green">100</FONT> }<a name="line.100"></a>
104 <FONT color="green">101</FONT> return new ArrayRealVector(result, false);<a name="line.101"></a>
105 <FONT color="green">102</FONT> }<a name="line.102"></a>
106 <FONT color="green">103</FONT> <a name="line.103"></a>
107 <FONT color="green">104</FONT> /** {@inheritDoc} */<a name="line.104"></a>
108 <FONT color="green">105</FONT> public RealVector add(RealVector v) throws IllegalArgumentException {<a name="line.105"></a>
109 <FONT color="green">106</FONT> if (v instanceof ArrayRealVector) {<a name="line.106"></a>
110 <FONT color="green">107</FONT> double[] values = ((ArrayRealVector)v).getDataRef();<a name="line.107"></a>
111 <FONT color="green">108</FONT> return add(values);<a name="line.108"></a>
112 <FONT color="green">109</FONT> }<a name="line.109"></a>
113 <FONT color="green">110</FONT> RealVector result = v.copy();<a name="line.110"></a>
114 <FONT color="green">111</FONT> Iterator&lt;Entry&gt; it = sparseIterator();<a name="line.111"></a>
115 <FONT color="green">112</FONT> Entry e;<a name="line.112"></a>
116 <FONT color="green">113</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.113"></a>
117 <FONT color="green">114</FONT> final int index = e.getIndex();<a name="line.114"></a>
118 <FONT color="green">115</FONT> result.setEntry(index, e.getValue() + result.getEntry(index));<a name="line.115"></a>
119 <FONT color="green">116</FONT> }<a name="line.116"></a>
120 <FONT color="green">117</FONT> return result;<a name="line.117"></a>
121 <FONT color="green">118</FONT> }<a name="line.118"></a>
122 <FONT color="green">119</FONT> <a name="line.119"></a>
123 <FONT color="green">120</FONT> /** {@inheritDoc} */<a name="line.120"></a>
124 <FONT color="green">121</FONT> public RealVector subtract(double[] v) throws IllegalArgumentException {<a name="line.121"></a>
125 <FONT color="green">122</FONT> double[] result = v.clone();<a name="line.122"></a>
126 <FONT color="green">123</FONT> Iterator&lt;Entry&gt; it = sparseIterator();<a name="line.123"></a>
127 <FONT color="green">124</FONT> Entry e;<a name="line.124"></a>
128 <FONT color="green">125</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.125"></a>
129 <FONT color="green">126</FONT> final int index = e.getIndex();<a name="line.126"></a>
130 <FONT color="green">127</FONT> result[index] = e.getValue() - result[index];<a name="line.127"></a>
131 <FONT color="green">128</FONT> }<a name="line.128"></a>
132 <FONT color="green">129</FONT> return new ArrayRealVector(result, false);<a name="line.129"></a>
133 <FONT color="green">130</FONT> }<a name="line.130"></a>
134 <FONT color="green">131</FONT> <a name="line.131"></a>
135 <FONT color="green">132</FONT> /** {@inheritDoc} */<a name="line.132"></a>
136 <FONT color="green">133</FONT> public RealVector subtract(RealVector v) throws IllegalArgumentException {<a name="line.133"></a>
137 <FONT color="green">134</FONT> if (v instanceof ArrayRealVector) {<a name="line.134"></a>
138 <FONT color="green">135</FONT> double[] values = ((ArrayRealVector)v).getDataRef();<a name="line.135"></a>
139 <FONT color="green">136</FONT> return add(values);<a name="line.136"></a>
140 <FONT color="green">137</FONT> }<a name="line.137"></a>
141 <FONT color="green">138</FONT> RealVector result = v.copy();<a name="line.138"></a>
142 <FONT color="green">139</FONT> Iterator&lt;Entry&gt; it = sparseIterator();<a name="line.139"></a>
143 <FONT color="green">140</FONT> Entry e;<a name="line.140"></a>
144 <FONT color="green">141</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.141"></a>
145 <FONT color="green">142</FONT> final int index = e.getIndex();<a name="line.142"></a>
146 <FONT color="green">143</FONT> v.setEntry(index, e.getValue() - result.getEntry(index));<a name="line.143"></a>
147 <FONT color="green">144</FONT> }<a name="line.144"></a>
148 <FONT color="green">145</FONT> return result;<a name="line.145"></a>
149 <FONT color="green">146</FONT> }<a name="line.146"></a>
150 <FONT color="green">147</FONT> <a name="line.147"></a>
151 <FONT color="green">148</FONT> /** {@inheritDoc} */<a name="line.148"></a>
152 <FONT color="green">149</FONT> public RealVector mapAdd(double d) {<a name="line.149"></a>
153 <FONT color="green">150</FONT> return copy().mapAddToSelf(d);<a name="line.150"></a>
154 <FONT color="green">151</FONT> }<a name="line.151"></a>
155 <FONT color="green">152</FONT> <a name="line.152"></a>
156 <FONT color="green">153</FONT> /** {@inheritDoc} */<a name="line.153"></a>
157 <FONT color="green">154</FONT> public RealVector mapAddToSelf(double d) {<a name="line.154"></a>
158 <FONT color="green">155</FONT> if (d != 0) {<a name="line.155"></a>
159 <FONT color="green">156</FONT> try {<a name="line.156"></a>
160 <FONT color="green">157</FONT> return mapToSelf(BinaryFunction.ADD.fix1stArgument(d));<a name="line.157"></a>
161 <FONT color="green">158</FONT> } catch (FunctionEvaluationException e) {<a name="line.158"></a>
162 <FONT color="green">159</FONT> throw new IllegalArgumentException(e);<a name="line.159"></a>
163 <FONT color="green">160</FONT> }<a name="line.160"></a>
164 <FONT color="green">161</FONT> }<a name="line.161"></a>
165 <FONT color="green">162</FONT> return this;<a name="line.162"></a>
166 <FONT color="green">163</FONT> }<a name="line.163"></a>
167 <FONT color="green">164</FONT> <a name="line.164"></a>
168 <FONT color="green">165</FONT> /** {@inheritDoc} */<a name="line.165"></a>
169 <FONT color="green">166</FONT> public abstract AbstractRealVector copy();<a name="line.166"></a>
170 <FONT color="green">167</FONT> <a name="line.167"></a>
171 <FONT color="green">168</FONT> /** {@inheritDoc} */<a name="line.168"></a>
172 <FONT color="green">169</FONT> public double dotProduct(double[] v) throws IllegalArgumentException {<a name="line.169"></a>
173 <FONT color="green">170</FONT> return dotProduct(new ArrayRealVector(v, false));<a name="line.170"></a>
174 <FONT color="green">171</FONT> }<a name="line.171"></a>
175 <FONT color="green">172</FONT> <a name="line.172"></a>
176 <FONT color="green">173</FONT> /** {@inheritDoc} */<a name="line.173"></a>
177 <FONT color="green">174</FONT> public double dotProduct(RealVector v) throws IllegalArgumentException {<a name="line.174"></a>
178 <FONT color="green">175</FONT> checkVectorDimensions(v);<a name="line.175"></a>
179 <FONT color="green">176</FONT> double d = 0;<a name="line.176"></a>
180 <FONT color="green">177</FONT> Iterator&lt;Entry&gt; it = sparseIterator();<a name="line.177"></a>
181 <FONT color="green">178</FONT> Entry e;<a name="line.178"></a>
182 <FONT color="green">179</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.179"></a>
183 <FONT color="green">180</FONT> d += e.getValue() * v.getEntry(e.getIndex());<a name="line.180"></a>
184 <FONT color="green">181</FONT> }<a name="line.181"></a>
185 <FONT color="green">182</FONT> return d;<a name="line.182"></a>
186 <FONT color="green">183</FONT> }<a name="line.183"></a>
187 <FONT color="green">184</FONT> <a name="line.184"></a>
188 <FONT color="green">185</FONT> /** {@inheritDoc} */<a name="line.185"></a>
189 <FONT color="green">186</FONT> public RealVector ebeDivide(double[] v) throws IllegalArgumentException {<a name="line.186"></a>
190 <FONT color="green">187</FONT> return ebeDivide(new ArrayRealVector(v, false));<a name="line.187"></a>
191 <FONT color="green">188</FONT> }<a name="line.188"></a>
192 <FONT color="green">189</FONT> <a name="line.189"></a>
193 <FONT color="green">190</FONT> /** {@inheritDoc} */<a name="line.190"></a>
194 <FONT color="green">191</FONT> public RealVector ebeMultiply(double[] v) throws IllegalArgumentException {<a name="line.191"></a>
195 <FONT color="green">192</FONT> return ebeMultiply(new ArrayRealVector(v, false));<a name="line.192"></a>
196 <FONT color="green">193</FONT> }<a name="line.193"></a>
197 <FONT color="green">194</FONT> <a name="line.194"></a>
198 <FONT color="green">195</FONT> /** {@inheritDoc} */<a name="line.195"></a>
199 <FONT color="green">196</FONT> public double getDistance(RealVector v) throws IllegalArgumentException {<a name="line.196"></a>
200 <FONT color="green">197</FONT> checkVectorDimensions(v);<a name="line.197"></a>
201 <FONT color="green">198</FONT> double d = 0;<a name="line.198"></a>
202 <FONT color="green">199</FONT> Iterator&lt;Entry&gt; it = iterator();<a name="line.199"></a>
203 <FONT color="green">200</FONT> Entry e;<a name="line.200"></a>
204 <FONT color="green">201</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.201"></a>
205 <FONT color="green">202</FONT> final double diff = e.getValue() - v.getEntry(e.getIndex());<a name="line.202"></a>
206 <FONT color="green">203</FONT> d += diff * diff;<a name="line.203"></a>
207 <FONT color="green">204</FONT> }<a name="line.204"></a>
208 <FONT color="green">205</FONT> return Math.sqrt(d);<a name="line.205"></a>
209 <FONT color="green">206</FONT> }<a name="line.206"></a>
210 <FONT color="green">207</FONT> <a name="line.207"></a>
211 <FONT color="green">208</FONT> /** {@inheritDoc} */<a name="line.208"></a>
212 <FONT color="green">209</FONT> public double getNorm() {<a name="line.209"></a>
213 <FONT color="green">210</FONT> double sum = 0;<a name="line.210"></a>
214 <FONT color="green">211</FONT> Iterator&lt;Entry&gt; it = sparseIterator();<a name="line.211"></a>
215 <FONT color="green">212</FONT> Entry e;<a name="line.212"></a>
216 <FONT color="green">213</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.213"></a>
217 <FONT color="green">214</FONT> final double value = e.getValue();<a name="line.214"></a>
218 <FONT color="green">215</FONT> sum += value * value;<a name="line.215"></a>
219 <FONT color="green">216</FONT> }<a name="line.216"></a>
220 <FONT color="green">217</FONT> return Math.sqrt(sum);<a name="line.217"></a>
221 <FONT color="green">218</FONT> }<a name="line.218"></a>
222 <FONT color="green">219</FONT> <a name="line.219"></a>
223 <FONT color="green">220</FONT> /** {@inheritDoc} */<a name="line.220"></a>
224 <FONT color="green">221</FONT> public double getL1Norm() {<a name="line.221"></a>
225 <FONT color="green">222</FONT> double norm = 0;<a name="line.222"></a>
226 <FONT color="green">223</FONT> Iterator&lt;Entry&gt; it = sparseIterator();<a name="line.223"></a>
227 <FONT color="green">224</FONT> Entry e;<a name="line.224"></a>
228 <FONT color="green">225</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.225"></a>
229 <FONT color="green">226</FONT> norm += Math.abs(e.getValue());<a name="line.226"></a>
230 <FONT color="green">227</FONT> }<a name="line.227"></a>
231 <FONT color="green">228</FONT> return norm;<a name="line.228"></a>
232 <FONT color="green">229</FONT> }<a name="line.229"></a>
233 <FONT color="green">230</FONT> <a name="line.230"></a>
234 <FONT color="green">231</FONT> /** {@inheritDoc} */<a name="line.231"></a>
235 <FONT color="green">232</FONT> public double getLInfNorm() {<a name="line.232"></a>
236 <FONT color="green">233</FONT> double norm = 0;<a name="line.233"></a>
237 <FONT color="green">234</FONT> Iterator&lt;Entry&gt; it = sparseIterator();<a name="line.234"></a>
238 <FONT color="green">235</FONT> Entry e;<a name="line.235"></a>
239 <FONT color="green">236</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.236"></a>
240 <FONT color="green">237</FONT> norm = Math.max(norm, Math.abs(e.getValue()));<a name="line.237"></a>
241 <FONT color="green">238</FONT> }<a name="line.238"></a>
242 <FONT color="green">239</FONT> return norm;<a name="line.239"></a>
243 <FONT color="green">240</FONT> }<a name="line.240"></a>
244 <FONT color="green">241</FONT> <a name="line.241"></a>
245 <FONT color="green">242</FONT> /** {@inheritDoc} */<a name="line.242"></a>
246 <FONT color="green">243</FONT> public double getDistance(double[] v) throws IllegalArgumentException {<a name="line.243"></a>
247 <FONT color="green">244</FONT> return getDistance(new ArrayRealVector(v,false));<a name="line.244"></a>
248 <FONT color="green">245</FONT> }<a name="line.245"></a>
249 <FONT color="green">246</FONT> <a name="line.246"></a>
250 <FONT color="green">247</FONT> /** {@inheritDoc} */<a name="line.247"></a>
251 <FONT color="green">248</FONT> public double getL1Distance(RealVector v) throws IllegalArgumentException {<a name="line.248"></a>
252 <FONT color="green">249</FONT> checkVectorDimensions(v);<a name="line.249"></a>
253 <FONT color="green">250</FONT> double d = 0;<a name="line.250"></a>
254 <FONT color="green">251</FONT> Iterator&lt;Entry&gt; it = iterator();<a name="line.251"></a>
255 <FONT color="green">252</FONT> Entry e;<a name="line.252"></a>
256 <FONT color="green">253</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.253"></a>
257 <FONT color="green">254</FONT> d += Math.abs(e.getValue() - v.getEntry(e.getIndex()));<a name="line.254"></a>
258 <FONT color="green">255</FONT> }<a name="line.255"></a>
259 <FONT color="green">256</FONT> return d;<a name="line.256"></a>
260 <FONT color="green">257</FONT> }<a name="line.257"></a>
261 <FONT color="green">258</FONT> <a name="line.258"></a>
262 <FONT color="green">259</FONT> /** {@inheritDoc} */<a name="line.259"></a>
263 <FONT color="green">260</FONT> public double getL1Distance(double[] v) throws IllegalArgumentException {<a name="line.260"></a>
264 <FONT color="green">261</FONT> checkVectorDimensions(v.length);<a name="line.261"></a>
265 <FONT color="green">262</FONT> double d = 0;<a name="line.262"></a>
266 <FONT color="green">263</FONT> Iterator&lt;Entry&gt; it = iterator();<a name="line.263"></a>
267 <FONT color="green">264</FONT> Entry e;<a name="line.264"></a>
268 <FONT color="green">265</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.265"></a>
269 <FONT color="green">266</FONT> d += Math.abs(e.getValue() - v[e.getIndex()]);<a name="line.266"></a>
270 <FONT color="green">267</FONT> }<a name="line.267"></a>
271 <FONT color="green">268</FONT> return d;<a name="line.268"></a>
272 <FONT color="green">269</FONT> }<a name="line.269"></a>
273 <FONT color="green">270</FONT> <a name="line.270"></a>
274 <FONT color="green">271</FONT> /** {@inheritDoc} */<a name="line.271"></a>
275 <FONT color="green">272</FONT> public double getLInfDistance(RealVector v) throws IllegalArgumentException {<a name="line.272"></a>
276 <FONT color="green">273</FONT> checkVectorDimensions(v);<a name="line.273"></a>
277 <FONT color="green">274</FONT> double d = 0;<a name="line.274"></a>
278 <FONT color="green">275</FONT> Iterator&lt;Entry&gt; it = iterator();<a name="line.275"></a>
279 <FONT color="green">276</FONT> Entry e;<a name="line.276"></a>
280 <FONT color="green">277</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.277"></a>
281 <FONT color="green">278</FONT> d = Math.max(Math.abs(e.getValue() - v.getEntry(e.getIndex())), d);<a name="line.278"></a>
282 <FONT color="green">279</FONT> }<a name="line.279"></a>
283 <FONT color="green">280</FONT> return d;<a name="line.280"></a>
284 <FONT color="green">281</FONT> }<a name="line.281"></a>
285 <FONT color="green">282</FONT> <a name="line.282"></a>
286 <FONT color="green">283</FONT> /** {@inheritDoc} */<a name="line.283"></a>
287 <FONT color="green">284</FONT> public double getLInfDistance(double[] v) throws IllegalArgumentException {<a name="line.284"></a>
288 <FONT color="green">285</FONT> checkVectorDimensions(v.length);<a name="line.285"></a>
289 <FONT color="green">286</FONT> double d = 0;<a name="line.286"></a>
290 <FONT color="green">287</FONT> Iterator&lt;Entry&gt; it = iterator();<a name="line.287"></a>
291 <FONT color="green">288</FONT> Entry e;<a name="line.288"></a>
292 <FONT color="green">289</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.289"></a>
293 <FONT color="green">290</FONT> d = Math.max(Math.abs(e.getValue() - v[e.getIndex()]), d);<a name="line.290"></a>
294 <FONT color="green">291</FONT> }<a name="line.291"></a>
295 <FONT color="green">292</FONT> return d;<a name="line.292"></a>
296 <FONT color="green">293</FONT> }<a name="line.293"></a>
297 <FONT color="green">294</FONT> <a name="line.294"></a>
298 <FONT color="green">295</FONT> /** Get the index of the minimum entry.<a name="line.295"></a>
299 <FONT color="green">296</FONT> * @return index of the minimum entry or -1 if vector length is 0<a name="line.296"></a>
300 <FONT color="green">297</FONT> * or all entries are NaN<a name="line.297"></a>
301 <FONT color="green">298</FONT> */<a name="line.298"></a>
302 <FONT color="green">299</FONT> public int getMinIndex() {<a name="line.299"></a>
303 <FONT color="green">300</FONT> int minIndex = -1;<a name="line.300"></a>
304 <FONT color="green">301</FONT> double minValue = Double.POSITIVE_INFINITY;<a name="line.301"></a>
305 <FONT color="green">302</FONT> Iterator&lt;Entry&gt; iterator = iterator();<a name="line.302"></a>
306 <FONT color="green">303</FONT> while (iterator.hasNext()) {<a name="line.303"></a>
307 <FONT color="green">304</FONT> final Entry entry = iterator.next();<a name="line.304"></a>
308 <FONT color="green">305</FONT> if (entry.getValue() &lt;= minValue) {<a name="line.305"></a>
309 <FONT color="green">306</FONT> minIndex = entry.getIndex();<a name="line.306"></a>
310 <FONT color="green">307</FONT> minValue = entry.getValue();<a name="line.307"></a>
311 <FONT color="green">308</FONT> }<a name="line.308"></a>
312 <FONT color="green">309</FONT> }<a name="line.309"></a>
313 <FONT color="green">310</FONT> return minIndex;<a name="line.310"></a>
314 <FONT color="green">311</FONT> }<a name="line.311"></a>
315 <FONT color="green">312</FONT> <a name="line.312"></a>
316 <FONT color="green">313</FONT> /** Get the value of the minimum entry.<a name="line.313"></a>
317 <FONT color="green">314</FONT> * @return value of the minimum entry or NaN if all entries are NaN<a name="line.314"></a>
318 <FONT color="green">315</FONT> */<a name="line.315"></a>
319 <FONT color="green">316</FONT> public double getMinValue() {<a name="line.316"></a>
320 <FONT color="green">317</FONT> final int minIndex = getMinIndex();<a name="line.317"></a>
321 <FONT color="green">318</FONT> return minIndex &lt; 0 ? Double.NaN : getEntry(minIndex);<a name="line.318"></a>
322 <FONT color="green">319</FONT> }<a name="line.319"></a>
323 <FONT color="green">320</FONT> <a name="line.320"></a>
324 <FONT color="green">321</FONT> /** Get the index of the maximum entry.<a name="line.321"></a>
325 <FONT color="green">322</FONT> * @return index of the maximum entry or -1 if vector length is 0<a name="line.322"></a>
326 <FONT color="green">323</FONT> * or all entries are NaN<a name="line.323"></a>
327 <FONT color="green">324</FONT> */<a name="line.324"></a>
328 <FONT color="green">325</FONT> public int getMaxIndex() {<a name="line.325"></a>
329 <FONT color="green">326</FONT> int maxIndex = -1;<a name="line.326"></a>
330 <FONT color="green">327</FONT> double maxValue = Double.NEGATIVE_INFINITY;<a name="line.327"></a>
331 <FONT color="green">328</FONT> Iterator&lt;Entry&gt; iterator = iterator();<a name="line.328"></a>
332 <FONT color="green">329</FONT> while (iterator.hasNext()) {<a name="line.329"></a>
333 <FONT color="green">330</FONT> final Entry entry = iterator.next();<a name="line.330"></a>
334 <FONT color="green">331</FONT> if (entry.getValue() &gt;= maxValue) {<a name="line.331"></a>
335 <FONT color="green">332</FONT> maxIndex = entry.getIndex();<a name="line.332"></a>
336 <FONT color="green">333</FONT> maxValue = entry.getValue();<a name="line.333"></a>
337 <FONT color="green">334</FONT> }<a name="line.334"></a>
338 <FONT color="green">335</FONT> }<a name="line.335"></a>
339 <FONT color="green">336</FONT> return maxIndex;<a name="line.336"></a>
340 <FONT color="green">337</FONT> }<a name="line.337"></a>
341 <FONT color="green">338</FONT> <a name="line.338"></a>
342 <FONT color="green">339</FONT> /** Get the value of the maximum entry.<a name="line.339"></a>
343 <FONT color="green">340</FONT> * @return value of the maximum entry or NaN if all entries are NaN<a name="line.340"></a>
344 <FONT color="green">341</FONT> */<a name="line.341"></a>
345 <FONT color="green">342</FONT> public double getMaxValue() {<a name="line.342"></a>
346 <FONT color="green">343</FONT> final int maxIndex = getMaxIndex();<a name="line.343"></a>
347 <FONT color="green">344</FONT> return maxIndex &lt; 0 ? Double.NaN : getEntry(maxIndex);<a name="line.344"></a>
348 <FONT color="green">345</FONT> }<a name="line.345"></a>
349 <FONT color="green">346</FONT> <a name="line.346"></a>
350 <FONT color="green">347</FONT> /** {@inheritDoc} */<a name="line.347"></a>
351 <FONT color="green">348</FONT> public RealVector mapAbs() {<a name="line.348"></a>
352 <FONT color="green">349</FONT> return copy().mapAbsToSelf();<a name="line.349"></a>
353 <FONT color="green">350</FONT> }<a name="line.350"></a>
354 <FONT color="green">351</FONT> <a name="line.351"></a>
355 <FONT color="green">352</FONT> /** {@inheritDoc} */<a name="line.352"></a>
356 <FONT color="green">353</FONT> public RealVector mapAbsToSelf() {<a name="line.353"></a>
357 <FONT color="green">354</FONT> try {<a name="line.354"></a>
358 <FONT color="green">355</FONT> return mapToSelf(ComposableFunction.ABS);<a name="line.355"></a>
359 <FONT color="green">356</FONT> } catch (FunctionEvaluationException e) {<a name="line.356"></a>
360 <FONT color="green">357</FONT> throw new IllegalArgumentException(e);<a name="line.357"></a>
361 <FONT color="green">358</FONT> }<a name="line.358"></a>
362 <FONT color="green">359</FONT> }<a name="line.359"></a>
363 <FONT color="green">360</FONT> <a name="line.360"></a>
364 <FONT color="green">361</FONT> /** {@inheritDoc} */<a name="line.361"></a>
365 <FONT color="green">362</FONT> public RealVector mapAcos() {<a name="line.362"></a>
366 <FONT color="green">363</FONT> return copy().mapAcosToSelf();<a name="line.363"></a>
367 <FONT color="green">364</FONT> }<a name="line.364"></a>
368 <FONT color="green">365</FONT> <a name="line.365"></a>
369 <FONT color="green">366</FONT> /** {@inheritDoc} */<a name="line.366"></a>
370 <FONT color="green">367</FONT> public RealVector mapAcosToSelf() {<a name="line.367"></a>
371 <FONT color="green">368</FONT> try {<a name="line.368"></a>
372 <FONT color="green">369</FONT> return mapToSelf(ComposableFunction.ACOS);<a name="line.369"></a>
373 <FONT color="green">370</FONT> } catch (FunctionEvaluationException e) {<a name="line.370"></a>
374 <FONT color="green">371</FONT> throw new IllegalArgumentException(e);<a name="line.371"></a>
375 <FONT color="green">372</FONT> }<a name="line.372"></a>
376 <FONT color="green">373</FONT> }<a name="line.373"></a>
377 <FONT color="green">374</FONT> <a name="line.374"></a>
378 <FONT color="green">375</FONT> /** {@inheritDoc} */<a name="line.375"></a>
379 <FONT color="green">376</FONT> public RealVector mapAsin() {<a name="line.376"></a>
380 <FONT color="green">377</FONT> return copy().mapAsinToSelf();<a name="line.377"></a>
381 <FONT color="green">378</FONT> }<a name="line.378"></a>
382 <FONT color="green">379</FONT> <a name="line.379"></a>
383 <FONT color="green">380</FONT> /** {@inheritDoc} */<a name="line.380"></a>
384 <FONT color="green">381</FONT> public RealVector mapAsinToSelf() {<a name="line.381"></a>
385 <FONT color="green">382</FONT> try {<a name="line.382"></a>
386 <FONT color="green">383</FONT> return mapToSelf(ComposableFunction.ASIN);<a name="line.383"></a>
387 <FONT color="green">384</FONT> } catch (FunctionEvaluationException e) {<a name="line.384"></a>
388 <FONT color="green">385</FONT> throw new IllegalArgumentException(e);<a name="line.385"></a>
389 <FONT color="green">386</FONT> }<a name="line.386"></a>
390 <FONT color="green">387</FONT> }<a name="line.387"></a>
391 <FONT color="green">388</FONT> <a name="line.388"></a>
392 <FONT color="green">389</FONT> /** {@inheritDoc} */<a name="line.389"></a>
393 <FONT color="green">390</FONT> public RealVector mapAtan() {<a name="line.390"></a>
394 <FONT color="green">391</FONT> return copy().mapAtanToSelf();<a name="line.391"></a>
395 <FONT color="green">392</FONT> }<a name="line.392"></a>
396 <FONT color="green">393</FONT> <a name="line.393"></a>
397 <FONT color="green">394</FONT> /** {@inheritDoc} */<a name="line.394"></a>
398 <FONT color="green">395</FONT> public RealVector mapAtanToSelf() {<a name="line.395"></a>
399 <FONT color="green">396</FONT> try {<a name="line.396"></a>
400 <FONT color="green">397</FONT> return mapToSelf(ComposableFunction.ATAN);<a name="line.397"></a>
401 <FONT color="green">398</FONT> } catch (FunctionEvaluationException e) {<a name="line.398"></a>
402 <FONT color="green">399</FONT> throw new IllegalArgumentException(e);<a name="line.399"></a>
403 <FONT color="green">400</FONT> }<a name="line.400"></a>
404 <FONT color="green">401</FONT> }<a name="line.401"></a>
405 <FONT color="green">402</FONT> <a name="line.402"></a>
406 <FONT color="green">403</FONT> /** {@inheritDoc} */<a name="line.403"></a>
407 <FONT color="green">404</FONT> public RealVector mapCbrt() {<a name="line.404"></a>
408 <FONT color="green">405</FONT> return copy().mapCbrtToSelf();<a name="line.405"></a>
409 <FONT color="green">406</FONT> }<a name="line.406"></a>
410 <FONT color="green">407</FONT> <a name="line.407"></a>
411 <FONT color="green">408</FONT> /** {@inheritDoc} */<a name="line.408"></a>
412 <FONT color="green">409</FONT> public RealVector mapCbrtToSelf() {<a name="line.409"></a>
413 <FONT color="green">410</FONT> try {<a name="line.410"></a>
414 <FONT color="green">411</FONT> return mapToSelf(ComposableFunction.CBRT);<a name="line.411"></a>
415 <FONT color="green">412</FONT> } catch (FunctionEvaluationException e) {<a name="line.412"></a>
416 <FONT color="green">413</FONT> throw new IllegalArgumentException(e);<a name="line.413"></a>
417 <FONT color="green">414</FONT> }<a name="line.414"></a>
418 <FONT color="green">415</FONT> }<a name="line.415"></a>
419 <FONT color="green">416</FONT> <a name="line.416"></a>
420 <FONT color="green">417</FONT> /** {@inheritDoc} */<a name="line.417"></a>
421 <FONT color="green">418</FONT> public RealVector mapCeil() {<a name="line.418"></a>
422 <FONT color="green">419</FONT> return copy().mapCeilToSelf();<a name="line.419"></a>
423 <FONT color="green">420</FONT> }<a name="line.420"></a>
424 <FONT color="green">421</FONT> <a name="line.421"></a>
425 <FONT color="green">422</FONT> /** {@inheritDoc} */<a name="line.422"></a>
426 <FONT color="green">423</FONT> public RealVector mapCeilToSelf() {<a name="line.423"></a>
427 <FONT color="green">424</FONT> try {<a name="line.424"></a>
428 <FONT color="green">425</FONT> return mapToSelf(ComposableFunction.CEIL);<a name="line.425"></a>
429 <FONT color="green">426</FONT> } catch (FunctionEvaluationException e) {<a name="line.426"></a>
430 <FONT color="green">427</FONT> throw new IllegalArgumentException(e);<a name="line.427"></a>
431 <FONT color="green">428</FONT> }<a name="line.428"></a>
432 <FONT color="green">429</FONT> }<a name="line.429"></a>
433 <FONT color="green">430</FONT> <a name="line.430"></a>
434 <FONT color="green">431</FONT> /** {@inheritDoc} */<a name="line.431"></a>
435 <FONT color="green">432</FONT> public RealVector mapCos() {<a name="line.432"></a>
436 <FONT color="green">433</FONT> return copy().mapCosToSelf();<a name="line.433"></a>
437 <FONT color="green">434</FONT> }<a name="line.434"></a>
438 <FONT color="green">435</FONT> <a name="line.435"></a>
439 <FONT color="green">436</FONT> /** {@inheritDoc} */<a name="line.436"></a>
440 <FONT color="green">437</FONT> public RealVector mapCosToSelf() {<a name="line.437"></a>
441 <FONT color="green">438</FONT> try {<a name="line.438"></a>
442 <FONT color="green">439</FONT> return mapToSelf(ComposableFunction.COS);<a name="line.439"></a>
443 <FONT color="green">440</FONT> } catch (FunctionEvaluationException e) {<a name="line.440"></a>
444 <FONT color="green">441</FONT> throw new IllegalArgumentException(e);<a name="line.441"></a>
445 <FONT color="green">442</FONT> }<a name="line.442"></a>
446 <FONT color="green">443</FONT> }<a name="line.443"></a>
447 <FONT color="green">444</FONT> <a name="line.444"></a>
448 <FONT color="green">445</FONT> /** {@inheritDoc} */<a name="line.445"></a>
449 <FONT color="green">446</FONT> public RealVector mapCosh() {<a name="line.446"></a>
450 <FONT color="green">447</FONT> return copy().mapCoshToSelf();<a name="line.447"></a>
451 <FONT color="green">448</FONT> }<a name="line.448"></a>
452 <FONT color="green">449</FONT> <a name="line.449"></a>
453 <FONT color="green">450</FONT> /** {@inheritDoc} */<a name="line.450"></a>
454 <FONT color="green">451</FONT> public RealVector mapCoshToSelf() {<a name="line.451"></a>
455 <FONT color="green">452</FONT> try {<a name="line.452"></a>
456 <FONT color="green">453</FONT> return mapToSelf(ComposableFunction.COSH);<a name="line.453"></a>
457 <FONT color="green">454</FONT> } catch (FunctionEvaluationException e) {<a name="line.454"></a>
458 <FONT color="green">455</FONT> throw new IllegalArgumentException(e);<a name="line.455"></a>
459 <FONT color="green">456</FONT> }<a name="line.456"></a>
460 <FONT color="green">457</FONT> }<a name="line.457"></a>
461 <FONT color="green">458</FONT> <a name="line.458"></a>
462 <FONT color="green">459</FONT> /** {@inheritDoc} */<a name="line.459"></a>
463 <FONT color="green">460</FONT> public RealVector mapDivide(double d) {<a name="line.460"></a>
464 <FONT color="green">461</FONT> return copy().mapDivideToSelf(d);<a name="line.461"></a>
465 <FONT color="green">462</FONT> }<a name="line.462"></a>
466 <FONT color="green">463</FONT> <a name="line.463"></a>
467 <FONT color="green">464</FONT> /** {@inheritDoc} */<a name="line.464"></a>
468 <FONT color="green">465</FONT> public RealVector mapDivideToSelf(double d){<a name="line.465"></a>
469 <FONT color="green">466</FONT> try {<a name="line.466"></a>
470 <FONT color="green">467</FONT> return mapToSelf(BinaryFunction.DIVIDE.fix2ndArgument(d));<a name="line.467"></a>
471 <FONT color="green">468</FONT> } catch (FunctionEvaluationException e) {<a name="line.468"></a>
472 <FONT color="green">469</FONT> throw new IllegalArgumentException(e);<a name="line.469"></a>
473 <FONT color="green">470</FONT> }<a name="line.470"></a>
474 <FONT color="green">471</FONT> }<a name="line.471"></a>
475 <FONT color="green">472</FONT> <a name="line.472"></a>
476 <FONT color="green">473</FONT> /** {@inheritDoc} */<a name="line.473"></a>
477 <FONT color="green">474</FONT> public RealVector mapExp() {<a name="line.474"></a>
478 <FONT color="green">475</FONT> return copy().mapExpToSelf();<a name="line.475"></a>
479 <FONT color="green">476</FONT> }<a name="line.476"></a>
480 <FONT color="green">477</FONT> <a name="line.477"></a>
481 <FONT color="green">478</FONT> /** {@inheritDoc} */<a name="line.478"></a>
482 <FONT color="green">479</FONT> public RealVector mapExpToSelf() {<a name="line.479"></a>
483 <FONT color="green">480</FONT> try {<a name="line.480"></a>
484 <FONT color="green">481</FONT> return mapToSelf(ComposableFunction.EXP);<a name="line.481"></a>
485 <FONT color="green">482</FONT> } catch (FunctionEvaluationException e) {<a name="line.482"></a>
486 <FONT color="green">483</FONT> throw new IllegalArgumentException(e);<a name="line.483"></a>
487 <FONT color="green">484</FONT> }<a name="line.484"></a>
488 <FONT color="green">485</FONT> }<a name="line.485"></a>
489 <FONT color="green">486</FONT> <a name="line.486"></a>
490 <FONT color="green">487</FONT> /** {@inheritDoc} */<a name="line.487"></a>
491 <FONT color="green">488</FONT> public RealVector mapExpm1() {<a name="line.488"></a>
492 <FONT color="green">489</FONT> return copy().mapExpm1ToSelf();<a name="line.489"></a>
493 <FONT color="green">490</FONT> }<a name="line.490"></a>
494 <FONT color="green">491</FONT> <a name="line.491"></a>
495 <FONT color="green">492</FONT> /** {@inheritDoc} */<a name="line.492"></a>
496 <FONT color="green">493</FONT> public RealVector mapExpm1ToSelf() {<a name="line.493"></a>
497 <FONT color="green">494</FONT> try {<a name="line.494"></a>
498 <FONT color="green">495</FONT> return mapToSelf(ComposableFunction.EXPM1);<a name="line.495"></a>
499 <FONT color="green">496</FONT> } catch (FunctionEvaluationException e) {<a name="line.496"></a>
500 <FONT color="green">497</FONT> throw new IllegalArgumentException(e);<a name="line.497"></a>
501 <FONT color="green">498</FONT> }<a name="line.498"></a>
502 <FONT color="green">499</FONT> }<a name="line.499"></a>
503 <FONT color="green">500</FONT> <a name="line.500"></a>
504 <FONT color="green">501</FONT> /** {@inheritDoc} */<a name="line.501"></a>
505 <FONT color="green">502</FONT> public RealVector mapFloor() {<a name="line.502"></a>
506 <FONT color="green">503</FONT> return copy().mapFloorToSelf();<a name="line.503"></a>
507 <FONT color="green">504</FONT> }<a name="line.504"></a>
508 <FONT color="green">505</FONT> <a name="line.505"></a>
509 <FONT color="green">506</FONT> /** {@inheritDoc} */<a name="line.506"></a>
510 <FONT color="green">507</FONT> public RealVector mapFloorToSelf() {<a name="line.507"></a>
511 <FONT color="green">508</FONT> try {<a name="line.508"></a>
512 <FONT color="green">509</FONT> return mapToSelf(ComposableFunction.FLOOR);<a name="line.509"></a>
513 <FONT color="green">510</FONT> } catch (FunctionEvaluationException e) {<a name="line.510"></a>
514 <FONT color="green">511</FONT> throw new IllegalArgumentException(e);<a name="line.511"></a>
515 <FONT color="green">512</FONT> }<a name="line.512"></a>
516 <FONT color="green">513</FONT> }<a name="line.513"></a>
517 <FONT color="green">514</FONT> <a name="line.514"></a>
518 <FONT color="green">515</FONT> /** {@inheritDoc} */<a name="line.515"></a>
519 <FONT color="green">516</FONT> public RealVector mapInv() {<a name="line.516"></a>
520 <FONT color="green">517</FONT> return copy().mapInvToSelf();<a name="line.517"></a>
521 <FONT color="green">518</FONT> }<a name="line.518"></a>
522 <FONT color="green">519</FONT> <a name="line.519"></a>
523 <FONT color="green">520</FONT> /** {@inheritDoc} */<a name="line.520"></a>
524 <FONT color="green">521</FONT> public RealVector mapInvToSelf() {<a name="line.521"></a>
525 <FONT color="green">522</FONT> try {<a name="line.522"></a>
526 <FONT color="green">523</FONT> return mapToSelf(ComposableFunction.INVERT);<a name="line.523"></a>
527 <FONT color="green">524</FONT> } catch (FunctionEvaluationException e) {<a name="line.524"></a>
528 <FONT color="green">525</FONT> throw new IllegalArgumentException(e);<a name="line.525"></a>
529 <FONT color="green">526</FONT> }<a name="line.526"></a>
530 <FONT color="green">527</FONT> }<a name="line.527"></a>
531 <FONT color="green">528</FONT> <a name="line.528"></a>
532 <FONT color="green">529</FONT> /** {@inheritDoc} */<a name="line.529"></a>
533 <FONT color="green">530</FONT> public RealVector mapLog() {<a name="line.530"></a>
534 <FONT color="green">531</FONT> return copy().mapLogToSelf();<a name="line.531"></a>
535 <FONT color="green">532</FONT> }<a name="line.532"></a>
536 <FONT color="green">533</FONT> <a name="line.533"></a>
537 <FONT color="green">534</FONT> /** {@inheritDoc} */<a name="line.534"></a>
538 <FONT color="green">535</FONT> public RealVector mapLogToSelf() {<a name="line.535"></a>
539 <FONT color="green">536</FONT> try {<a name="line.536"></a>
540 <FONT color="green">537</FONT> return mapToSelf(ComposableFunction.LOG);<a name="line.537"></a>
541 <FONT color="green">538</FONT> } catch (FunctionEvaluationException e) {<a name="line.538"></a>
542 <FONT color="green">539</FONT> throw new IllegalArgumentException(e);<a name="line.539"></a>
543 <FONT color="green">540</FONT> }<a name="line.540"></a>
544 <FONT color="green">541</FONT> }<a name="line.541"></a>
545 <FONT color="green">542</FONT> <a name="line.542"></a>
546 <FONT color="green">543</FONT> /** {@inheritDoc} */<a name="line.543"></a>
547 <FONT color="green">544</FONT> public RealVector mapLog10() {<a name="line.544"></a>
548 <FONT color="green">545</FONT> return copy().mapLog10ToSelf();<a name="line.545"></a>
549 <FONT color="green">546</FONT> }<a name="line.546"></a>
550 <FONT color="green">547</FONT> <a name="line.547"></a>
551 <FONT color="green">548</FONT> /** {@inheritDoc} */<a name="line.548"></a>
552 <FONT color="green">549</FONT> public RealVector mapLog10ToSelf() {<a name="line.549"></a>
553 <FONT color="green">550</FONT> try {<a name="line.550"></a>
554 <FONT color="green">551</FONT> return mapToSelf(ComposableFunction.LOG10);<a name="line.551"></a>
555 <FONT color="green">552</FONT> } catch (FunctionEvaluationException e) {<a name="line.552"></a>
556 <FONT color="green">553</FONT> throw new IllegalArgumentException(e);<a name="line.553"></a>
557 <FONT color="green">554</FONT> }<a name="line.554"></a>
558 <FONT color="green">555</FONT> }<a name="line.555"></a>
559 <FONT color="green">556</FONT> <a name="line.556"></a>
560 <FONT color="green">557</FONT> /** {@inheritDoc} */<a name="line.557"></a>
561 <FONT color="green">558</FONT> public RealVector mapLog1p() {<a name="line.558"></a>
562 <FONT color="green">559</FONT> return copy().mapLog1pToSelf();<a name="line.559"></a>
563 <FONT color="green">560</FONT> }<a name="line.560"></a>
564 <FONT color="green">561</FONT> <a name="line.561"></a>
565 <FONT color="green">562</FONT> /** {@inheritDoc} */<a name="line.562"></a>
566 <FONT color="green">563</FONT> public RealVector mapLog1pToSelf() {<a name="line.563"></a>
567 <FONT color="green">564</FONT> try {<a name="line.564"></a>
568 <FONT color="green">565</FONT> return mapToSelf(ComposableFunction.LOG1P);<a name="line.565"></a>
569 <FONT color="green">566</FONT> } catch (FunctionEvaluationException e) {<a name="line.566"></a>
570 <FONT color="green">567</FONT> throw new IllegalArgumentException(e);<a name="line.567"></a>
571 <FONT color="green">568</FONT> }<a name="line.568"></a>
572 <FONT color="green">569</FONT> }<a name="line.569"></a>
573 <FONT color="green">570</FONT> <a name="line.570"></a>
574 <FONT color="green">571</FONT> /** {@inheritDoc} */<a name="line.571"></a>
575 <FONT color="green">572</FONT> public RealVector mapMultiply(double d) {<a name="line.572"></a>
576 <FONT color="green">573</FONT> return copy().mapMultiplyToSelf(d);<a name="line.573"></a>
577 <FONT color="green">574</FONT> }<a name="line.574"></a>
578 <FONT color="green">575</FONT> <a name="line.575"></a>
579 <FONT color="green">576</FONT> /** {@inheritDoc} */<a name="line.576"></a>
580 <FONT color="green">577</FONT> public RealVector mapMultiplyToSelf(double d){<a name="line.577"></a>
581 <FONT color="green">578</FONT> try {<a name="line.578"></a>
582 <FONT color="green">579</FONT> return mapToSelf(BinaryFunction.MULTIPLY.fix1stArgument(d));<a name="line.579"></a>
583 <FONT color="green">580</FONT> } catch (FunctionEvaluationException e) {<a name="line.580"></a>
584 <FONT color="green">581</FONT> throw new IllegalArgumentException(e);<a name="line.581"></a>
585 <FONT color="green">582</FONT> }<a name="line.582"></a>
586 <FONT color="green">583</FONT> }<a name="line.583"></a>
587 <FONT color="green">584</FONT> <a name="line.584"></a>
588 <FONT color="green">585</FONT> /** {@inheritDoc} */<a name="line.585"></a>
589 <FONT color="green">586</FONT> public RealVector mapPow(double d) {<a name="line.586"></a>
590 <FONT color="green">587</FONT> return copy().mapPowToSelf(d);<a name="line.587"></a>
591 <FONT color="green">588</FONT> }<a name="line.588"></a>
592 <FONT color="green">589</FONT> <a name="line.589"></a>
593 <FONT color="green">590</FONT> /** {@inheritDoc} */<a name="line.590"></a>
594 <FONT color="green">591</FONT> public RealVector mapPowToSelf(double d){<a name="line.591"></a>
595 <FONT color="green">592</FONT> try {<a name="line.592"></a>
596 <FONT color="green">593</FONT> return mapToSelf(BinaryFunction.POW.fix2ndArgument(d));<a name="line.593"></a>
597 <FONT color="green">594</FONT> } catch (FunctionEvaluationException e) {<a name="line.594"></a>
598 <FONT color="green">595</FONT> throw new IllegalArgumentException(e);<a name="line.595"></a>
599 <FONT color="green">596</FONT> }<a name="line.596"></a>
600 <FONT color="green">597</FONT> }<a name="line.597"></a>
601 <FONT color="green">598</FONT> <a name="line.598"></a>
602 <FONT color="green">599</FONT> /** {@inheritDoc} */<a name="line.599"></a>
603 <FONT color="green">600</FONT> public RealVector mapRint() {<a name="line.600"></a>
604 <FONT color="green">601</FONT> return copy().mapRintToSelf();<a name="line.601"></a>
605 <FONT color="green">602</FONT> }<a name="line.602"></a>
606 <FONT color="green">603</FONT> <a name="line.603"></a>
607 <FONT color="green">604</FONT> /** {@inheritDoc} */<a name="line.604"></a>
608 <FONT color="green">605</FONT> public RealVector mapRintToSelf() {<a name="line.605"></a>
609 <FONT color="green">606</FONT> try {<a name="line.606"></a>
610 <FONT color="green">607</FONT> return mapToSelf(ComposableFunction.RINT);<a name="line.607"></a>
611 <FONT color="green">608</FONT> } catch (FunctionEvaluationException e) {<a name="line.608"></a>
612 <FONT color="green">609</FONT> throw new IllegalArgumentException(e);<a name="line.609"></a>
613 <FONT color="green">610</FONT> }<a name="line.610"></a>
614 <FONT color="green">611</FONT> }<a name="line.611"></a>
615 <FONT color="green">612</FONT> <a name="line.612"></a>
616 <FONT color="green">613</FONT> /** {@inheritDoc} */<a name="line.613"></a>
617 <FONT color="green">614</FONT> public RealVector mapSignum() {<a name="line.614"></a>
618 <FONT color="green">615</FONT> return copy().mapSignumToSelf();<a name="line.615"></a>
619 <FONT color="green">616</FONT> }<a name="line.616"></a>
620 <FONT color="green">617</FONT> <a name="line.617"></a>
621 <FONT color="green">618</FONT> /** {@inheritDoc} */<a name="line.618"></a>
622 <FONT color="green">619</FONT> public RealVector mapSignumToSelf() {<a name="line.619"></a>
623 <FONT color="green">620</FONT> try {<a name="line.620"></a>
624 <FONT color="green">621</FONT> return mapToSelf(ComposableFunction.SIGNUM);<a name="line.621"></a>
625 <FONT color="green">622</FONT> } catch (FunctionEvaluationException e) {<a name="line.622"></a>
626 <FONT color="green">623</FONT> throw new IllegalArgumentException(e);<a name="line.623"></a>
627 <FONT color="green">624</FONT> }<a name="line.624"></a>
628 <FONT color="green">625</FONT> }<a name="line.625"></a>
629 <FONT color="green">626</FONT> <a name="line.626"></a>
630 <FONT color="green">627</FONT> /** {@inheritDoc} */<a name="line.627"></a>
631 <FONT color="green">628</FONT> public RealVector mapSin() {<a name="line.628"></a>
632 <FONT color="green">629</FONT> return copy().mapSinToSelf();<a name="line.629"></a>
633 <FONT color="green">630</FONT> }<a name="line.630"></a>
634 <FONT color="green">631</FONT> <a name="line.631"></a>
635 <FONT color="green">632</FONT> /** {@inheritDoc} */<a name="line.632"></a>
636 <FONT color="green">633</FONT> public RealVector mapSinToSelf() {<a name="line.633"></a>
637 <FONT color="green">634</FONT> try {<a name="line.634"></a>
638 <FONT color="green">635</FONT> return mapToSelf(ComposableFunction.SIN);<a name="line.635"></a>
639 <FONT color="green">636</FONT> } catch (FunctionEvaluationException e) {<a name="line.636"></a>
640 <FONT color="green">637</FONT> throw new IllegalArgumentException(e);<a name="line.637"></a>
641 <FONT color="green">638</FONT> }<a name="line.638"></a>
642 <FONT color="green">639</FONT> }<a name="line.639"></a>
643 <FONT color="green">640</FONT> <a name="line.640"></a>
644 <FONT color="green">641</FONT> /** {@inheritDoc} */<a name="line.641"></a>
645 <FONT color="green">642</FONT> public RealVector mapSinh() {<a name="line.642"></a>
646 <FONT color="green">643</FONT> return copy().mapSinhToSelf();<a name="line.643"></a>
647 <FONT color="green">644</FONT> }<a name="line.644"></a>
648 <FONT color="green">645</FONT> <a name="line.645"></a>
649 <FONT color="green">646</FONT> /** {@inheritDoc} */<a name="line.646"></a>
650 <FONT color="green">647</FONT> public RealVector mapSinhToSelf() {<a name="line.647"></a>
651 <FONT color="green">648</FONT> try {<a name="line.648"></a>
652 <FONT color="green">649</FONT> return mapToSelf(ComposableFunction.SINH);<a name="line.649"></a>
653 <FONT color="green">650</FONT> } catch (FunctionEvaluationException e) {<a name="line.650"></a>
654 <FONT color="green">651</FONT> throw new IllegalArgumentException(e);<a name="line.651"></a>
655 <FONT color="green">652</FONT> }<a name="line.652"></a>
656 <FONT color="green">653</FONT> }<a name="line.653"></a>
657 <FONT color="green">654</FONT> <a name="line.654"></a>
658 <FONT color="green">655</FONT> /** {@inheritDoc} */<a name="line.655"></a>
659 <FONT color="green">656</FONT> public RealVector mapSqrt() {<a name="line.656"></a>
660 <FONT color="green">657</FONT> return copy().mapSqrtToSelf();<a name="line.657"></a>
661 <FONT color="green">658</FONT> }<a name="line.658"></a>
662 <FONT color="green">659</FONT> <a name="line.659"></a>
663 <FONT color="green">660</FONT> /** {@inheritDoc} */<a name="line.660"></a>
664 <FONT color="green">661</FONT> public RealVector mapSqrtToSelf() {<a name="line.661"></a>
665 <FONT color="green">662</FONT> try {<a name="line.662"></a>
666 <FONT color="green">663</FONT> return mapToSelf(ComposableFunction.SQRT);<a name="line.663"></a>
667 <FONT color="green">664</FONT> } catch (FunctionEvaluationException e) {<a name="line.664"></a>
668 <FONT color="green">665</FONT> throw new IllegalArgumentException(e);<a name="line.665"></a>
669 <FONT color="green">666</FONT> }<a name="line.666"></a>
670 <FONT color="green">667</FONT> }<a name="line.667"></a>
671 <FONT color="green">668</FONT> <a name="line.668"></a>
672 <FONT color="green">669</FONT> /** {@inheritDoc} */<a name="line.669"></a>
673 <FONT color="green">670</FONT> public RealVector mapSubtract(double d) {<a name="line.670"></a>
674 <FONT color="green">671</FONT> return copy().mapSubtractToSelf(d);<a name="line.671"></a>
675 <FONT color="green">672</FONT> }<a name="line.672"></a>
676 <FONT color="green">673</FONT> <a name="line.673"></a>
677 <FONT color="green">674</FONT> /** {@inheritDoc} */<a name="line.674"></a>
678 <FONT color="green">675</FONT> public RealVector mapSubtractToSelf(double d){<a name="line.675"></a>
679 <FONT color="green">676</FONT> return mapAddToSelf(-d);<a name="line.676"></a>
680 <FONT color="green">677</FONT> }<a name="line.677"></a>
681 <FONT color="green">678</FONT> <a name="line.678"></a>
682 <FONT color="green">679</FONT> /** {@inheritDoc} */<a name="line.679"></a>
683 <FONT color="green">680</FONT> public RealVector mapTan() {<a name="line.680"></a>
684 <FONT color="green">681</FONT> return copy().mapTanToSelf();<a name="line.681"></a>
685 <FONT color="green">682</FONT> }<a name="line.682"></a>
686 <FONT color="green">683</FONT> <a name="line.683"></a>
687 <FONT color="green">684</FONT> /** {@inheritDoc} */<a name="line.684"></a>
688 <FONT color="green">685</FONT> public RealVector mapTanToSelf() {<a name="line.685"></a>
689 <FONT color="green">686</FONT> try {<a name="line.686"></a>
690 <FONT color="green">687</FONT> return mapToSelf(ComposableFunction.TAN);<a name="line.687"></a>
691 <FONT color="green">688</FONT> } catch (FunctionEvaluationException e) {<a name="line.688"></a>
692 <FONT color="green">689</FONT> throw new IllegalArgumentException(e);<a name="line.689"></a>
693 <FONT color="green">690</FONT> }<a name="line.690"></a>
694 <FONT color="green">691</FONT> }<a name="line.691"></a>
695 <FONT color="green">692</FONT> <a name="line.692"></a>
696 <FONT color="green">693</FONT> /** {@inheritDoc} */<a name="line.693"></a>
697 <FONT color="green">694</FONT> public RealVector mapTanh() {<a name="line.694"></a>
698 <FONT color="green">695</FONT> return copy().mapTanhToSelf();<a name="line.695"></a>
699 <FONT color="green">696</FONT> }<a name="line.696"></a>
700 <FONT color="green">697</FONT> <a name="line.697"></a>
701 <FONT color="green">698</FONT> /** {@inheritDoc} */<a name="line.698"></a>
702 <FONT color="green">699</FONT> public RealVector mapTanhToSelf() {<a name="line.699"></a>
703 <FONT color="green">700</FONT> try {<a name="line.700"></a>
704 <FONT color="green">701</FONT> return mapToSelf(ComposableFunction.TANH);<a name="line.701"></a>
705 <FONT color="green">702</FONT> } catch (FunctionEvaluationException e) {<a name="line.702"></a>
706 <FONT color="green">703</FONT> throw new IllegalArgumentException(e);<a name="line.703"></a>
707 <FONT color="green">704</FONT> }<a name="line.704"></a>
708 <FONT color="green">705</FONT> }<a name="line.705"></a>
709 <FONT color="green">706</FONT> <a name="line.706"></a>
710 <FONT color="green">707</FONT> /** {@inheritDoc} */<a name="line.707"></a>
711 <FONT color="green">708</FONT> public RealVector mapUlp() {<a name="line.708"></a>
712 <FONT color="green">709</FONT> return copy().mapUlpToSelf();<a name="line.709"></a>
713 <FONT color="green">710</FONT> }<a name="line.710"></a>
714 <FONT color="green">711</FONT> <a name="line.711"></a>
715 <FONT color="green">712</FONT> /** {@inheritDoc} */<a name="line.712"></a>
716 <FONT color="green">713</FONT> public RealVector mapUlpToSelf() {<a name="line.713"></a>
717 <FONT color="green">714</FONT> try {<a name="line.714"></a>
718 <FONT color="green">715</FONT> return mapToSelf(ComposableFunction.ULP);<a name="line.715"></a>
719 <FONT color="green">716</FONT> } catch (FunctionEvaluationException e) {<a name="line.716"></a>
720 <FONT color="green">717</FONT> throw new IllegalArgumentException(e);<a name="line.717"></a>
721 <FONT color="green">718</FONT> }<a name="line.718"></a>
722 <FONT color="green">719</FONT> }<a name="line.719"></a>
723 <FONT color="green">720</FONT> <a name="line.720"></a>
724 <FONT color="green">721</FONT> /** {@inheritDoc} */<a name="line.721"></a>
725 <FONT color="green">722</FONT> public RealMatrix outerProduct(RealVector v) throws IllegalArgumentException {<a name="line.722"></a>
726 <FONT color="green">723</FONT> RealMatrix product;<a name="line.723"></a>
727 <FONT color="green">724</FONT> if (v instanceof SparseRealVector || this instanceof SparseRealVector) {<a name="line.724"></a>
728 <FONT color="green">725</FONT> product = new OpenMapRealMatrix(this.getDimension(), v.getDimension());<a name="line.725"></a>
729 <FONT color="green">726</FONT> } else {<a name="line.726"></a>
730 <FONT color="green">727</FONT> product = new Array2DRowRealMatrix(this.getDimension(), v.getDimension());<a name="line.727"></a>
731 <FONT color="green">728</FONT> }<a name="line.728"></a>
732 <FONT color="green">729</FONT> Iterator&lt;Entry&gt; thisIt = sparseIterator();<a name="line.729"></a>
733 <FONT color="green">730</FONT> Entry thisE = null;<a name="line.730"></a>
734 <FONT color="green">731</FONT> while (thisIt.hasNext() &amp;&amp; (thisE = thisIt.next()) != null) {<a name="line.731"></a>
735 <FONT color="green">732</FONT> Iterator&lt;Entry&gt; otherIt = v.sparseIterator();<a name="line.732"></a>
736 <FONT color="green">733</FONT> Entry otherE = null;<a name="line.733"></a>
737 <FONT color="green">734</FONT> while (otherIt.hasNext() &amp;&amp; (otherE = otherIt.next()) != null) {<a name="line.734"></a>
738 <FONT color="green">735</FONT> product.setEntry(thisE.getIndex(), otherE.getIndex(),<a name="line.735"></a>
739 <FONT color="green">736</FONT> thisE.getValue() * otherE.getValue());<a name="line.736"></a>
740 <FONT color="green">737</FONT> }<a name="line.737"></a>
741 <FONT color="green">738</FONT> }<a name="line.738"></a>
742 <FONT color="green">739</FONT> <a name="line.739"></a>
743 <FONT color="green">740</FONT> return product;<a name="line.740"></a>
744 <FONT color="green">741</FONT> <a name="line.741"></a>
745 <FONT color="green">742</FONT> }<a name="line.742"></a>
746 <FONT color="green">743</FONT> <a name="line.743"></a>
747 <FONT color="green">744</FONT> /** {@inheritDoc} */<a name="line.744"></a>
748 <FONT color="green">745</FONT> public RealMatrix outerProduct(double[] v) throws IllegalArgumentException {<a name="line.745"></a>
749 <FONT color="green">746</FONT> return outerProduct(new ArrayRealVector(v, false));<a name="line.746"></a>
750 <FONT color="green">747</FONT> }<a name="line.747"></a>
751 <FONT color="green">748</FONT> <a name="line.748"></a>
752 <FONT color="green">749</FONT> /** {@inheritDoc} */<a name="line.749"></a>
753 <FONT color="green">750</FONT> public RealVector projection(double[] v) throws IllegalArgumentException {<a name="line.750"></a>
754 <FONT color="green">751</FONT> return projection(new ArrayRealVector(v, false));<a name="line.751"></a>
755 <FONT color="green">752</FONT> }<a name="line.752"></a>
756 <FONT color="green">753</FONT> <a name="line.753"></a>
757 <FONT color="green">754</FONT> /** {@inheritDoc} */<a name="line.754"></a>
758 <FONT color="green">755</FONT> public void set(double value) {<a name="line.755"></a>
759 <FONT color="green">756</FONT> Iterator&lt;Entry&gt; it = iterator();<a name="line.756"></a>
760 <FONT color="green">757</FONT> Entry e = null;<a name="line.757"></a>
761 <FONT color="green">758</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.758"></a>
762 <FONT color="green">759</FONT> e.setValue(value);<a name="line.759"></a>
763 <FONT color="green">760</FONT> }<a name="line.760"></a>
764 <FONT color="green">761</FONT> }<a name="line.761"></a>
765 <FONT color="green">762</FONT> <a name="line.762"></a>
766 <FONT color="green">763</FONT> /** {@inheritDoc} */<a name="line.763"></a>
767 <FONT color="green">764</FONT> public double[] toArray() {<a name="line.764"></a>
768 <FONT color="green">765</FONT> int dim = getDimension();<a name="line.765"></a>
769 <FONT color="green">766</FONT> double[] values = new double[dim];<a name="line.766"></a>
770 <FONT color="green">767</FONT> for (int i = 0; i &lt; dim; i++) {<a name="line.767"></a>
771 <FONT color="green">768</FONT> values[i] = getEntry(i);<a name="line.768"></a>
772 <FONT color="green">769</FONT> }<a name="line.769"></a>
773 <FONT color="green">770</FONT> return values;<a name="line.770"></a>
774 <FONT color="green">771</FONT> }<a name="line.771"></a>
775 <FONT color="green">772</FONT> <a name="line.772"></a>
776 <FONT color="green">773</FONT> /** {@inheritDoc} */<a name="line.773"></a>
777 <FONT color="green">774</FONT> public double[] getData() {<a name="line.774"></a>
778 <FONT color="green">775</FONT> return toArray();<a name="line.775"></a>
779 <FONT color="green">776</FONT> }<a name="line.776"></a>
780 <FONT color="green">777</FONT> <a name="line.777"></a>
781 <FONT color="green">778</FONT> /** {@inheritDoc} */<a name="line.778"></a>
782 <FONT color="green">779</FONT> public RealVector unitVector() {<a name="line.779"></a>
783 <FONT color="green">780</FONT> RealVector copy = copy();<a name="line.780"></a>
784 <FONT color="green">781</FONT> copy.unitize();<a name="line.781"></a>
785 <FONT color="green">782</FONT> return copy;<a name="line.782"></a>
786 <FONT color="green">783</FONT> }<a name="line.783"></a>
787 <FONT color="green">784</FONT> <a name="line.784"></a>
788 <FONT color="green">785</FONT> /** {@inheritDoc} */<a name="line.785"></a>
789 <FONT color="green">786</FONT> public void unitize() {<a name="line.786"></a>
790 <FONT color="green">787</FONT> mapDivideToSelf(getNorm());<a name="line.787"></a>
791 <FONT color="green">788</FONT> }<a name="line.788"></a>
792 <FONT color="green">789</FONT> <a name="line.789"></a>
793 <FONT color="green">790</FONT> /** {@inheritDoc} */<a name="line.790"></a>
794 <FONT color="green">791</FONT> public Iterator&lt;Entry&gt; sparseIterator() {<a name="line.791"></a>
795 <FONT color="green">792</FONT> return new SparseEntryIterator();<a name="line.792"></a>
796 <FONT color="green">793</FONT> }<a name="line.793"></a>
797 <FONT color="green">794</FONT> <a name="line.794"></a>
798 <FONT color="green">795</FONT> /** {@inheritDoc} */<a name="line.795"></a>
799 <FONT color="green">796</FONT> public Iterator&lt;Entry&gt; iterator() {<a name="line.796"></a>
800 <FONT color="green">797</FONT> final int dim = getDimension();<a name="line.797"></a>
801 <FONT color="green">798</FONT> return new Iterator&lt;Entry&gt;() {<a name="line.798"></a>
802 <FONT color="green">799</FONT> <a name="line.799"></a>
803 <FONT color="green">800</FONT> /** Current index. */<a name="line.800"></a>
804 <FONT color="green">801</FONT> private int i = 0;<a name="line.801"></a>
805 <FONT color="green">802</FONT> <a name="line.802"></a>
806 <FONT color="green">803</FONT> /** Current entry. */<a name="line.803"></a>
807 <FONT color="green">804</FONT> private EntryImpl e = new EntryImpl();<a name="line.804"></a>
808 <FONT color="green">805</FONT> <a name="line.805"></a>
809 <FONT color="green">806</FONT> /** {@inheritDoc} */<a name="line.806"></a>
810 <FONT color="green">807</FONT> public boolean hasNext() {<a name="line.807"></a>
811 <FONT color="green">808</FONT> return i &lt; dim;<a name="line.808"></a>
812 <FONT color="green">809</FONT> }<a name="line.809"></a>
813 <FONT color="green">810</FONT> <a name="line.810"></a>
814 <FONT color="green">811</FONT> /** {@inheritDoc} */<a name="line.811"></a>
815 <FONT color="green">812</FONT> public Entry next() {<a name="line.812"></a>
816 <FONT color="green">813</FONT> e.setIndex(i++);<a name="line.813"></a>
817 <FONT color="green">814</FONT> return e;<a name="line.814"></a>
818 <FONT color="green">815</FONT> }<a name="line.815"></a>
819 <FONT color="green">816</FONT> <a name="line.816"></a>
820 <FONT color="green">817</FONT> /** {@inheritDoc} */<a name="line.817"></a>
821 <FONT color="green">818</FONT> public void remove() {<a name="line.818"></a>
822 <FONT color="green">819</FONT> throw new UnsupportedOperationException("Not supported");<a name="line.819"></a>
823 <FONT color="green">820</FONT> }<a name="line.820"></a>
824 <FONT color="green">821</FONT> };<a name="line.821"></a>
825 <FONT color="green">822</FONT> }<a name="line.822"></a>
826 <FONT color="green">823</FONT> <a name="line.823"></a>
827 <FONT color="green">824</FONT> /** {@inheritDoc} */<a name="line.824"></a>
828 <FONT color="green">825</FONT> public RealVector map(UnivariateRealFunction function) throws FunctionEvaluationException {<a name="line.825"></a>
829 <FONT color="green">826</FONT> return copy().mapToSelf(function);<a name="line.826"></a>
830 <FONT color="green">827</FONT> }<a name="line.827"></a>
831 <FONT color="green">828</FONT> <a name="line.828"></a>
832 <FONT color="green">829</FONT> /** {@inheritDoc} */<a name="line.829"></a>
833 <FONT color="green">830</FONT> public RealVector mapToSelf(UnivariateRealFunction function) throws FunctionEvaluationException {<a name="line.830"></a>
834 <FONT color="green">831</FONT> Iterator&lt;Entry&gt; it = (function.value(0) == 0) ? sparseIterator() : iterator();<a name="line.831"></a>
835 <FONT color="green">832</FONT> Entry e;<a name="line.832"></a>
836 <FONT color="green">833</FONT> while (it.hasNext() &amp;&amp; (e = it.next()) != null) {<a name="line.833"></a>
837 <FONT color="green">834</FONT> e.setValue(function.value(e.getValue()));<a name="line.834"></a>
838 <FONT color="green">835</FONT> }<a name="line.835"></a>
839 <FONT color="green">836</FONT> return this;<a name="line.836"></a>
840 <FONT color="green">837</FONT> }<a name="line.837"></a>
841 <FONT color="green">838</FONT> <a name="line.838"></a>
842 <FONT color="green">839</FONT> /** An entry in the vector. */<a name="line.839"></a>
843 <FONT color="green">840</FONT> protected class EntryImpl extends Entry {<a name="line.840"></a>
844 <FONT color="green">841</FONT> <a name="line.841"></a>
845 <FONT color="green">842</FONT> /** Simple constructor. */<a name="line.842"></a>
846 <FONT color="green">843</FONT> public EntryImpl() {<a name="line.843"></a>
847 <FONT color="green">844</FONT> setIndex(0);<a name="line.844"></a>
848 <FONT color="green">845</FONT> }<a name="line.845"></a>
849 <FONT color="green">846</FONT> <a name="line.846"></a>
850 <FONT color="green">847</FONT> /** {@inheritDoc} */<a name="line.847"></a>
851 <FONT color="green">848</FONT> @Override<a name="line.848"></a>
852 <FONT color="green">849</FONT> public double getValue() {<a name="line.849"></a>
853 <FONT color="green">850</FONT> return getEntry(getIndex());<a name="line.850"></a>
854 <FONT color="green">851</FONT> }<a name="line.851"></a>
855 <FONT color="green">852</FONT> <a name="line.852"></a>
856 <FONT color="green">853</FONT> /** {@inheritDoc} */<a name="line.853"></a>
857 <FONT color="green">854</FONT> @Override<a name="line.854"></a>
858 <FONT color="green">855</FONT> public void setValue(double newValue) {<a name="line.855"></a>
859 <FONT color="green">856</FONT> setEntry(getIndex(), newValue);<a name="line.856"></a>
860 <FONT color="green">857</FONT> }<a name="line.857"></a>
861 <FONT color="green">858</FONT> }<a name="line.858"></a>
862 <FONT color="green">859</FONT> <a name="line.859"></a>
863 <FONT color="green">860</FONT> /**<a name="line.860"></a>
864 <FONT color="green">861</FONT> * This class should rare be used, but is here to provide<a name="line.861"></a>
865 <FONT color="green">862</FONT> * a default implementation of sparseIterator(), which is implemented<a name="line.862"></a>
866 <FONT color="green">863</FONT> * by walking over the entries, skipping those whose values are the default one.<a name="line.863"></a>
867 <FONT color="green">864</FONT> *<a name="line.864"></a>
868 <FONT color="green">865</FONT> * Concrete subclasses which are SparseVector implementations should<a name="line.865"></a>
869 <FONT color="green">866</FONT> * make their own sparse iterator, not use this one.<a name="line.866"></a>
870 <FONT color="green">867</FONT> *<a name="line.867"></a>
871 <FONT color="green">868</FONT> * This implementation might be useful for ArrayRealVector, when expensive<a name="line.868"></a>
872 <FONT color="green">869</FONT> * operations which preserve the default value are to be done on the entries,<a name="line.869"></a>
873 <FONT color="green">870</FONT> * and the fraction of non-default values is small (i.e. someone took a<a name="line.870"></a>
874 <FONT color="green">871</FONT> * SparseVector, and passed it into the copy-constructor of ArrayRealVector)<a name="line.871"></a>
875 <FONT color="green">872</FONT> */<a name="line.872"></a>
876 <FONT color="green">873</FONT> protected class SparseEntryIterator implements Iterator&lt;Entry&gt; {<a name="line.873"></a>
877 <FONT color="green">874</FONT> <a name="line.874"></a>
878 <FONT color="green">875</FONT> /** Dimension of the vector. */<a name="line.875"></a>
879 <FONT color="green">876</FONT> private final int dim;<a name="line.876"></a>
880 <FONT color="green">877</FONT> <a name="line.877"></a>
881 <FONT color="green">878</FONT> /** Temporary entry (reused on each call to {@link #next()}. */<a name="line.878"></a>
882 <FONT color="green">879</FONT> private EntryImpl tmp = new EntryImpl();<a name="line.879"></a>
883 <FONT color="green">880</FONT> <a name="line.880"></a>
884 <FONT color="green">881</FONT> /** Current entry. */<a name="line.881"></a>
885 <FONT color="green">882</FONT> private EntryImpl current;<a name="line.882"></a>
886 <FONT color="green">883</FONT> <a name="line.883"></a>
887 <FONT color="green">884</FONT> /** Next entry. */<a name="line.884"></a>
888 <FONT color="green">885</FONT> private EntryImpl next;<a name="line.885"></a>
889 <FONT color="green">886</FONT> <a name="line.886"></a>
890 <FONT color="green">887</FONT> /** Simple constructor. */<a name="line.887"></a>
891 <FONT color="green">888</FONT> protected SparseEntryIterator() {<a name="line.888"></a>
892 <FONT color="green">889</FONT> dim = getDimension();<a name="line.889"></a>
893 <FONT color="green">890</FONT> current = new EntryImpl();<a name="line.890"></a>
894 <FONT color="green">891</FONT> if (current.getValue() == 0) {<a name="line.891"></a>
895 <FONT color="green">892</FONT> advance(current);<a name="line.892"></a>
896 <FONT color="green">893</FONT> }<a name="line.893"></a>
897 <FONT color="green">894</FONT> if(current.getIndex() &gt;= 0){<a name="line.894"></a>
898 <FONT color="green">895</FONT> // There is at least one non-zero entry<a name="line.895"></a>
899 <FONT color="green">896</FONT> next = new EntryImpl();<a name="line.896"></a>
900 <FONT color="green">897</FONT> next.setIndex(current.getIndex());<a name="line.897"></a>
901 <FONT color="green">898</FONT> advance(next);<a name="line.898"></a>
902 <FONT color="green">899</FONT> } else {<a name="line.899"></a>
903 <FONT color="green">900</FONT> // The vector consists of only zero entries, so deny having a next<a name="line.900"></a>
904 <FONT color="green">901</FONT> current = null;<a name="line.901"></a>
905 <FONT color="green">902</FONT> }<a name="line.902"></a>
906 <FONT color="green">903</FONT> }<a name="line.903"></a>
907 <FONT color="green">904</FONT> <a name="line.904"></a>
908 <FONT color="green">905</FONT> /** Advance an entry up to the next non null one.<a name="line.905"></a>
909 <FONT color="green">906</FONT> * @param e entry to advance<a name="line.906"></a>
910 <FONT color="green">907</FONT> */<a name="line.907"></a>
911 <FONT color="green">908</FONT> protected void advance(EntryImpl e) {<a name="line.908"></a>
912 <FONT color="green">909</FONT> if (e == null) {<a name="line.909"></a>
913 <FONT color="green">910</FONT> return;<a name="line.910"></a>
914 <FONT color="green">911</FONT> }<a name="line.911"></a>
915 <FONT color="green">912</FONT> do {<a name="line.912"></a>
916 <FONT color="green">913</FONT> e.setIndex(e.getIndex() + 1);<a name="line.913"></a>
917 <FONT color="green">914</FONT> } while (e.getIndex() &lt; dim &amp;&amp; e.getValue() == 0);<a name="line.914"></a>
918 <FONT color="green">915</FONT> if (e.getIndex() &gt;= dim) {<a name="line.915"></a>
919 <FONT color="green">916</FONT> e.setIndex(-1);<a name="line.916"></a>
920 <FONT color="green">917</FONT> }<a name="line.917"></a>
921 <FONT color="green">918</FONT> }<a name="line.918"></a>
922 <FONT color="green">919</FONT> <a name="line.919"></a>
923 <FONT color="green">920</FONT> /** {@inheritDoc} */<a name="line.920"></a>
924 <FONT color="green">921</FONT> public boolean hasNext() {<a name="line.921"></a>
925 <FONT color="green">922</FONT> return current != null;<a name="line.922"></a>
926 <FONT color="green">923</FONT> }<a name="line.923"></a>
927 <FONT color="green">924</FONT> <a name="line.924"></a>
928 <FONT color="green">925</FONT> /** {@inheritDoc} */<a name="line.925"></a>
929 <FONT color="green">926</FONT> public Entry next() {<a name="line.926"></a>
930 <FONT color="green">927</FONT> tmp.setIndex(current.getIndex());<a name="line.927"></a>
931 <FONT color="green">928</FONT> if (next != null) {<a name="line.928"></a>
932 <FONT color="green">929</FONT> current.setIndex(next.getIndex());<a name="line.929"></a>
933 <FONT color="green">930</FONT> advance(next);<a name="line.930"></a>
934 <FONT color="green">931</FONT> if (next.getIndex() &lt; 0) {<a name="line.931"></a>
935 <FONT color="green">932</FONT> next = null;<a name="line.932"></a>
936 <FONT color="green">933</FONT> }<a name="line.933"></a>
937 <FONT color="green">934</FONT> } else {<a name="line.934"></a>
938 <FONT color="green">935</FONT> current = null;<a name="line.935"></a>
939 <FONT color="green">936</FONT> }<a name="line.936"></a>
940 <FONT color="green">937</FONT> return tmp;<a name="line.937"></a>
941 <FONT color="green">938</FONT> }<a name="line.938"></a>
942 <FONT color="green">939</FONT> <a name="line.939"></a>
943 <FONT color="green">940</FONT> /** {@inheritDoc} */<a name="line.940"></a>
944 <FONT color="green">941</FONT> public void remove() {<a name="line.941"></a>
945 <FONT color="green">942</FONT> throw new UnsupportedOperationException("Not supported");<a name="line.942"></a>
946 <FONT color="green">943</FONT> }<a name="line.943"></a>
947 <FONT color="green">944</FONT> }<a name="line.944"></a>
948 <FONT color="green">945</FONT> <a name="line.945"></a>
949 <FONT color="green">946</FONT> }<a name="line.946"></a>
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010 </PRE>
1011 </BODY>
1012 </HTML>