| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span>/*-<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Copyright 2015, 2016 Diamond Light Source Ltd.<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> *<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><a name="line.9"></a> |
| <span class="sourceLineNo">010</span>package org.eclipse.january.dataset;<a name="line.10"></a> |
| <span class="sourceLineNo">011</span><a name="line.11"></a> |
| <span class="sourceLineNo">012</span>import java.util.Arrays;<a name="line.12"></a> |
| <span class="sourceLineNo">013</span><a name="line.13"></a> |
| <span class="sourceLineNo">014</span>/**<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * Base class for broadcast iterators of pairs with output.<p><a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * For speed, there are public members. Note, index is not updated<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>public abstract class BroadcastIterator extends BroadcastIteratorBase {<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span> public static BroadcastIterator createIterator(Dataset a, Dataset b) {<a name="line.20"></a> |
| <span class="sourceLineNo">021</span> return createIterator(a, b, null, false);<a name="line.21"></a> |
| <span class="sourceLineNo">022</span> }<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span> public static BroadcastIterator createIterator(Dataset a, Dataset b, Dataset o) {<a name="line.24"></a> |
| <span class="sourceLineNo">025</span> return createIterator(a, b, o, false);<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> public static BroadcastIterator createIterator(Dataset a, Dataset b, Dataset o, boolean createIfNull) {<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> if (Arrays.equals(a.getShapeRef(), b.getShapeRef()) && a.getStrides() == null && b.getStrides() == null) {<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> if (o == null || (o.getStrides() == null && Arrays.equals(a.getShapeRef(), o.getShapeRef()))) {<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> return new ContiguousPairIterator(a, b, o, createIfNull);<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> }<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> }<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> return new BroadcastPairIterator(a, b, o, createIfNull);<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> }<a name="line.35"></a> |
| <span class="sourceLineNo">036</span><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> /**<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * Index in output dataset<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> */<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> public int oIndex;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> /**<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * Current value in first dataset<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> */<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> public double aDouble;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> /**<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * Current value in first dataset<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> */<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> public long aLong;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> /**<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * Output dataset<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> */<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> protected Dataset oDataset;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span> final protected boolean outputA;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> final protected boolean outputB;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> protected BroadcastIterator(Dataset a, Dataset b, Dataset o) {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> super(a, b);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> oDataset = o;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> outputA = a == o;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> outputB = b == o;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> read = DTypeUtils.isDTypeNumerical(a.getDType()) && DTypeUtils.isDTypeNumerical(b.getDType());<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> asDouble = aDataset.hasFloatingPointElements() || bDataset.hasFloatingPointElements();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> BroadcastUtils.checkItemSize(a, b, o);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> if (o != null) {<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> o.setDirty();<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> }<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> }<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> /**<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * @return output dataset (can be null)<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> */<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> public Dataset getOutput() {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> return oDataset;<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> protected void storeCurrentValues() {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> if (aIndex >= 0) {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> if (asDouble) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> aDouble = aDataset.getElementDoubleAbs(aIndex);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> } else {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> aLong = aDataset.getElementLongAbs(aIndex);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> }<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> if (bIndex >= 0) {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> if (asDouble) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> bDouble = bDataset.getElementDoubleAbs(bIndex);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> } else {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> bLong = bDataset.getElementLongAbs(bIndex);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span>}<a name="line.94"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |