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<pre><span class="sourceLineNo">001</span>/*-<a name="line.1"></a>
<span class="sourceLineNo">002</span> *******************************************************************************<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (c) 2016 Diamond Light Source Ltd.<a name="line.3"></a>
<span class="sourceLineNo">004</span> * All rights reserved. This program and the accompanying materials<a name="line.4"></a>
<span class="sourceLineNo">005</span> * are made available under the terms of the Eclipse Public License v1.0<a name="line.5"></a>
<span class="sourceLineNo">006</span> * which accompanies this distribution, and is available at<a name="line.6"></a>
<span class="sourceLineNo">007</span> * http://www.eclipse.org/legal/epl-v10.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * Contributors:<a name="line.9"></a>
<span class="sourceLineNo">010</span> * Peter Chang - initial API and implementation and/or initial documentation<a name="line.10"></a>
<span class="sourceLineNo">011</span> *******************************************************************************/<a name="line.11"></a>
<span class="sourceLineNo">012</span><a name="line.12"></a>
<span class="sourceLineNo">013</span>package org.eclipse.january.dataset;<a name="line.13"></a>
<span class="sourceLineNo">014</span><a name="line.14"></a>
<span class="sourceLineNo">015</span>/**<a name="line.15"></a>
<span class="sourceLineNo">016</span> * Interface to represent a binary operation for implementations over different output domains<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>public interface BinaryOperation extends IOperation {<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span> /**<a name="line.20"></a>
<span class="sourceLineNo">021</span> * @param a<a name="line.21"></a>
<span class="sourceLineNo">022</span> * @param b<a name="line.22"></a>
<span class="sourceLineNo">023</span> * @return a op b<a name="line.23"></a>
<span class="sourceLineNo">024</span> */<a name="line.24"></a>
<span class="sourceLineNo">025</span> boolean booleanOperate(long a, long b);<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span> /**<a name="line.27"></a>
<span class="sourceLineNo">028</span> * @param a<a name="line.28"></a>
<span class="sourceLineNo">029</span> * @param b<a name="line.29"></a>
<span class="sourceLineNo">030</span> * @return a op b<a name="line.30"></a>
<span class="sourceLineNo">031</span> */<a name="line.31"></a>
<span class="sourceLineNo">032</span> long longOperate(long a, long b);<a name="line.32"></a>
<span class="sourceLineNo">033</span><a name="line.33"></a>
<span class="sourceLineNo">034</span> /**<a name="line.34"></a>
<span class="sourceLineNo">035</span> * @param a<a name="line.35"></a>
<span class="sourceLineNo">036</span> * @param b<a name="line.36"></a>
<span class="sourceLineNo">037</span> * @return a op b<a name="line.37"></a>
<span class="sourceLineNo">038</span> */<a name="line.38"></a>
<span class="sourceLineNo">039</span> double doubleOperate(double a, double b);<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span> /**<a name="line.41"></a>
<span class="sourceLineNo">042</span> * @param out holds (ra, ia) op (rb, ib)<a name="line.42"></a>
<span class="sourceLineNo">043</span> * @param ra<a name="line.43"></a>
<span class="sourceLineNo">044</span> * @param ia<a name="line.44"></a>
<span class="sourceLineNo">045</span> * @param rb<a name="line.45"></a>
<span class="sourceLineNo">046</span> * @param ib<a name="line.46"></a>
<span class="sourceLineNo">047</span> */<a name="line.47"></a>
<span class="sourceLineNo">048</span> void complexOperate(double[] out, double ra, double ia, double rb, double ib);<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span> /**<a name="line.50"></a>
<span class="sourceLineNo">051</span> * @param a<a name="line.51"></a>
<span class="sourceLineNo">052</span> * @param b<a name="line.52"></a>
<span class="sourceLineNo">053</span> * @return string to represent output<a name="line.53"></a>
<span class="sourceLineNo">054</span> * @since 2.0<a name="line.54"></a>
<span class="sourceLineNo">055</span> */<a name="line.55"></a>
<span class="sourceLineNo">056</span> String toString(String a, String b);<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span> /**<a name="line.58"></a>
<span class="sourceLineNo">059</span> * Stub class where only three methods need to be overridden:<a name="line.59"></a>
<span class="sourceLineNo">060</span> * {@link #complexOperate(double[], double, double, double, double)},<a name="line.60"></a>
<span class="sourceLineNo">061</span> * {@link #toString(String, String)}<a name="line.61"></a>
<span class="sourceLineNo">062</span> */<a name="line.62"></a>
<span class="sourceLineNo">063</span> public static class Stub implements BinaryOperation {<a name="line.63"></a>
<span class="sourceLineNo">064</span> double[] z = new double[2];<a name="line.64"></a>
<span class="sourceLineNo">065</span><a name="line.65"></a>
<span class="sourceLineNo">066</span> @Override<a name="line.66"></a>
<span class="sourceLineNo">067</span> public double doubleOperate(double a, double b) {<a name="line.67"></a>
<span class="sourceLineNo">068</span> complexOperate(z, a, 0, b, 0);<a name="line.68"></a>
<span class="sourceLineNo">069</span> return z[0];<a name="line.69"></a>
<span class="sourceLineNo">070</span> }<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span> @Override<a name="line.72"></a>
<span class="sourceLineNo">073</span> public boolean booleanOperate(long a, long b) {<a name="line.73"></a>
<span class="sourceLineNo">074</span> return doubleOperate(a, b) != 0;<a name="line.74"></a>
<span class="sourceLineNo">075</span> }<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span> @Override<a name="line.77"></a>
<span class="sourceLineNo">078</span> public long longOperate(long a, long b) {<a name="line.78"></a>
<span class="sourceLineNo">079</span> return DTypeUtils.toLong(doubleOperate(a, b));<a name="line.79"></a>
<span class="sourceLineNo">080</span> }<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
<span class="sourceLineNo">082</span> /**<a name="line.82"></a>
<span class="sourceLineNo">083</span> * override this<a name="line.83"></a>
<span class="sourceLineNo">084</span> */<a name="line.84"></a>
<span class="sourceLineNo">085</span> @Override<a name="line.85"></a>
<span class="sourceLineNo">086</span> public void complexOperate(double[] out, double ra, double ia, double rb, double ib) {<a name="line.86"></a>
<span class="sourceLineNo">087</span> }<a name="line.87"></a>
<span class="sourceLineNo">088</span><a name="line.88"></a>
<span class="sourceLineNo">089</span> /**<a name="line.89"></a>
<span class="sourceLineNo">090</span> * override this<a name="line.90"></a>
<span class="sourceLineNo">091</span> */<a name="line.91"></a>
<span class="sourceLineNo">092</span> @Override<a name="line.92"></a>
<span class="sourceLineNo">093</span> public String toString(String string, String string2) {<a name="line.93"></a>
<span class="sourceLineNo">094</span> return null;<a name="line.94"></a>
<span class="sourceLineNo">095</span> }<a name="line.95"></a>
<span class="sourceLineNo">096</span> }<a name="line.96"></a>
<span class="sourceLineNo">097</span>}<a name="line.97"></a>
</pre>
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