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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) 2011, 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>import java.math.BigInteger;<a name="line.15"></a> |
| <span class="sourceLineNo">016</span>import java.util.Date;<a name="line.16"></a> |
| <span class="sourceLineNo">017</span>import java.util.List;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>public class DatasetFactory {<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span> /**<a name="line.21"></a> |
| <span class="sourceLineNo">022</span> * Create dataset with items ranging from 0 up to given stop in steps of 1<a name="line.22"></a> |
| <span class="sourceLineNo">023</span> * @param stop stop value is <strong>not</strong> included<a name="line.23"></a> |
| <span class="sourceLineNo">024</span> * @return a new double dataset of given shape and type, filled with values determined by parameters<a name="line.24"></a> |
| <span class="sourceLineNo">025</span> */<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> public static DoubleDataset createRange(final double stop) {<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> return createRange(DoubleDataset.class, 0, stop, 1);<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> }<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span> /**<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * Create dataset with items ranging from given start up to given stop in given steps<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * @param start<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * @param stop stop value is <strong>not</strong> included<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * @param step spacing between items<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * @return a new 1D dataset of given type, filled with values determined by parameters<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * @since 2.1<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> */<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> public static DoubleDataset createRange(final double start, final double stop, final double step) {<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> return createRange(DoubleDataset.class, start, stop, step);<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> /**<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * Create dataset with items ranging from 0 up to given stop in steps of 1<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * @param stop stop value is <strong>not</strong> included<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * @param dtype<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * @return a new dataset of given shape and type, filled with values determined by parameters<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * <a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * such as {@link #createRange(Class, double)}<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> */<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> @Deprecated<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> public static Dataset createRange(final double stop, final int dtype) {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> return createRange(0, stop, 1, dtype);<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> }<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> /**<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * Create dataset with items ranging from given start up to given stop in given steps<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * @param start<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * @param stop stop value is <strong>not</strong> included<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * @param step spacing between items<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * @param dtype<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * @return a new 1D dataset of given type, filled with values determined by parameters<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * <a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * such as {@link #createRange(Class, double, double, double)}<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> */<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> @Deprecated<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> public static Dataset createRange(final double start, final double stop, final double step, final int dtype) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> if ((step > 0) != (start <= stop)) {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> throw new IllegalArgumentException("Invalid parameters: start and stop must be in correct order for step");<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> }<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> switch (dtype) {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> case Dataset.BOOL:<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> break;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> case Dataset.INT8:<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> return ByteDataset.createRange(start, stop, step);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> case Dataset.INT16:<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> return ShortDataset.createRange(start, stop, step);<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> case Dataset.INT32:<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> return IntegerDataset.createRange(start, stop, step);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> case Dataset.INT64:<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> return LongDataset.createRange(start, stop, step);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> case Dataset.FLOAT32:<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> return FloatDataset.createRange(start, stop, step);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> case Dataset.FLOAT64:<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> return DoubleDataset.createRange(start, stop, step);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> case Dataset.COMPLEX64:<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> return ComplexFloatDataset.createRange(start, stop, step);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> case Dataset.COMPLEX128:<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> return ComplexDoubleDataset.createRange(start, stop, step);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> throw new IllegalArgumentException("dtype not known");<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<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> * Create compound dataset with items of given size ranging from 0 up to given stop in steps of 1<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> * @param itemSize<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * @param stop stop value is <strong>not</strong> included<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * @param dtype<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * @return a new dataset of given shape and type, filled with values determined by parameters<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * <a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * such as {@link #createRange(Class, double, double, double)}<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> */<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> @Deprecated<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> public static CompoundDataset createRange(final int itemSize, final double stop, final int dtype) {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> return createRange(itemSize, 0, stop, 1, dtype);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> /**<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * Create compound dataset with items of given size ranging from given start up to given stop in given steps<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * @param itemSize<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * @param start<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * @param stop stop value is <strong>not</strong> included<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * @param step spacing between items<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> * @param dtype<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> * @return a new 1D dataset of given type, filled with values determined by parameters<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> * <a name="line.119"></a> |
| <span class="sourceLineNo">120</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> * such as {@link #createRange(Class, double, double, double)}<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> */<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> @Deprecated<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> public static CompoundDataset createRange(final int itemSize, final double start, final double stop, final double step, final int dtype) {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> if (itemSize < 1) {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> throw new IllegalArgumentException("Item size must be greater or equal to 1");<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> if ((step > 0) != (start <= stop)) {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> throw new IllegalArgumentException("Invalid parameters: start and stop must be in correct order for step");<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> switch (dtype) {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> case Dataset.BOOL:<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> break;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> case Dataset.ARRAYINT8:<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> case Dataset.INT8:<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> return CompoundIntegerDataset.createRange(itemSize, start, stop, step);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> case Dataset.ARRAYINT16:<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> case Dataset.INT16:<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> return CompoundShortDataset.createRange(itemSize, start, stop, step);<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> case Dataset.ARRAYINT32:<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> case Dataset.INT32:<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> return CompoundIntegerDataset.createRange(itemSize, start, stop, step);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> case Dataset.ARRAYINT64:<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> case Dataset.INT64:<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> return CompoundLongDataset.createRange(itemSize, start, stop, step);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> case Dataset.ARRAYFLOAT32:<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> case Dataset.FLOAT32:<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> return CompoundFloatDataset.createRange(itemSize, start, stop, step);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> case Dataset.ARRAYFLOAT64:<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> case Dataset.FLOAT64:<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> return CompoundDoubleDataset.createRange(itemSize, start, stop, step);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> case Dataset.COMPLEX64:<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> if (itemSize != 2) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> throw new IllegalArgumentException("Item size must be equal to 2");<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> return ComplexFloatDataset.createRange(start, stop, step);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> case Dataset.COMPLEX128:<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> if (itemSize != 2) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> throw new IllegalArgumentException("Item size must be equal to 2");<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> return ComplexFloatDataset.createRange(start, stop, step);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> }<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> throw new IllegalArgumentException("dtype not known");<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<a name="line.165"></a> |
| <span class="sourceLineNo">166</span><a name="line.166"></a> |
| <span class="sourceLineNo">167</span> /**<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> * Create a dataset from object (automatically detect dataset type)<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> *<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> * @param obj<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> * can be Java list, array or Number<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> * @return dataset<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> */<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> public static Dataset createFromObject(Object obj) {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> return createFromObject(obj, null);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> }<a name="line.176"></a> |
| <span class="sourceLineNo">177</span><a name="line.177"></a> |
| <span class="sourceLineNo">178</span> /**<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * Create a dataset from object (automatically detect dataset type)<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> * <a name="line.180"></a> |
| <span class="sourceLineNo">181</span> * @param obj<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> * can be Java list, array or Number<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> * @param shape can be null<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> * @return dataset<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> */<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> public static Dataset createFromObject(Object obj, int... shape) {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> if (obj instanceof IDataset) {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> Dataset d = DatasetUtils.convertToDataset((IDataset) obj);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> if (shape != null) {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> d.setShape(shape);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> }<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> return d;<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> if (obj instanceof BigInteger) {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> obj = ((BigInteger) obj).longValue();<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> }<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> final int dtype = DTypeUtils.getDTypeFromObject(obj);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> return createFromObject(dtype, obj, shape);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> }<a name="line.200"></a> |
| <span class="sourceLineNo">201</span><a name="line.201"></a> |
| <span class="sourceLineNo">202</span> /**<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> * Create a dataset from object (automatically detect dataset type)<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> * @param isUnsigned<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> * if true, interpret integer values as unsigned by increasing element bit width if required<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> * @param obj<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> * can be a Java list, array or Number<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> * @return dataset<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> */<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> public static Dataset createFromObject(boolean isUnsigned, final Object obj) {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> Dataset a = createFromObject(obj);<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> if (isUnsigned) {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> a = DatasetUtils.makeUnsigned(a, true);<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> }<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> return a;<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span><a name="line.217"></a> |
| <span class="sourceLineNo">218</span> /**<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> * Create a dataset from object<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> * @param dtype<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> * @param obj<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> * can be a Java list, array or Number<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> * @return dataset<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> * @throws IllegalArgumentException if dataset type is not known<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> * <a name="line.225"></a> |
| <span class="sourceLineNo">226</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * such as {@link #createFromObject(Class, Object, int...)}<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> */<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> @Deprecated<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> public static Dataset createFromObject(final int dtype, final Object obj) {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> return createFromObject(dtype, obj, null);<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> /**<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> * Create a dataset from object<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> * @param dtype<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> * @param obj<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> * can be a Java list, array or Number<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> * @param shape can be null<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> * @return dataset<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> * @throws IllegalArgumentException if dataset type is not known<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> * <a name="line.242"></a> |
| <span class="sourceLineNo">243</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> * such as {@link #createFromObject(Class, Object, int...)}<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> */<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> @Deprecated<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> public static Dataset createFromObject(final int dtype, final Object obj, final int... shape) {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> return createFromObject(1, dtype, obj, shape);<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> }<a name="line.249"></a> |
| <span class="sourceLineNo">250</span><a name="line.250"></a> |
| <span class="sourceLineNo">251</span> /**<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> * Create a dataset from object<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> * @param itemSize<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> * @param dtype<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> * @param obj<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> * can be a Java list, array or Number<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> * @param shape can be null<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> * @return dataset<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> * @throws IllegalArgumentException if dataset type is not known<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> * <a name="line.260"></a> |
| <span class="sourceLineNo">261</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> * such as {@link #createFromObject(int, Class, Object, int...)}<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> */<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> @Deprecated<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> public static Dataset createFromObject(final int itemSize, final int dtype, final Object obj, final int... shape) {<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> Dataset d = null;<a name="line.266"></a> |
| <span class="sourceLineNo">267</span><a name="line.267"></a> |
| <span class="sourceLineNo">268</span> if (obj instanceof IDataset) {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> d = itemSize == 1 ? DatasetUtils.cast((IDataset) obj, dtype) :<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> DatasetUtils.cast((IDataset) obj, false, dtype, itemSize);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> } else {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> // primitive arrays<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> Class<? extends Object> ca = obj == null ? null : obj.getClass().getComponentType();<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> if (ca != null && (ca.isPrimitive() || ca.equals(String.class))) {<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> switch (dtype) {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> case Dataset.COMPLEX64:<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> return new ComplexFloatDataset(DTypeUtils.toFloatArray(obj, DTypeUtils.getLength(obj)), shape);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> case Dataset.COMPLEX128:<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> return new ComplexDoubleDataset(DTypeUtils.toDoubleArray(obj, DTypeUtils.getLength(obj)), shape);<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> default:<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> d = createFromPrimitiveArray(DTypeUtils.getDTypeFromClass(ca), obj);<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> if (!DTypeUtils.isDTypeElemental(dtype)) {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> d = DatasetUtils.createCompoundDataset(d, dtype == Dataset.RGB ? 3 : itemSize);<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> if (dtype == Dataset.RGB && d.getSize() == 1) { // special case of allowing a zero-rank RGB dataset<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> d.setShape();<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> }<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> }<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> d = DatasetUtils.cast(d, dtype);<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> }<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> } else {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> switch (dtype) {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> case Dataset.BOOL:<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> d = BooleanDataset.createFromObject(obj);<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> break;<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> case Dataset.INT8:<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> d = ByteDataset.createFromObject(obj);<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> break;<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> case Dataset.INT16:<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> d = ShortDataset.createFromObject(obj);<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> break;<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> case Dataset.INT32:<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> d = IntegerDataset.createFromObject(obj);<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> break;<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> case Dataset.INT64:<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> d = LongDataset.createFromObject(obj);<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> break;<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> case Dataset.ARRAYINT8:<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> d = CompoundByteDataset.createFromObject(itemSize, obj);<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> break;<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> case Dataset.ARRAYINT16:<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> d = CompoundShortDataset.createFromObject(itemSize, obj);<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> break;<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> case Dataset.ARRAYINT32:<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> d = CompoundIntegerDataset.createFromObject(itemSize, obj);<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> break;<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> case Dataset.ARRAYINT64:<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> d = CompoundLongDataset.createFromObject(itemSize, obj);<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> break;<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> case Dataset.FLOAT32:<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> d = FloatDataset.createFromObject(obj);<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> break;<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> case Dataset.FLOAT64:<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> d = DoubleDataset.createFromObject(obj);<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> break;<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> case Dataset.ARRAYFLOAT32:<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> d = CompoundFloatDataset.createFromObject(itemSize, obj);<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> break;<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> case Dataset.ARRAYFLOAT64:<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> d = CompoundDoubleDataset.createFromObject(itemSize, obj);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> break;<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> case Dataset.COMPLEX64:<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> d = ComplexFloatDataset.createFromObject(obj);<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> break;<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> case Dataset.COMPLEX128:<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> d = ComplexDoubleDataset.createFromObject(obj);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> break;<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> case Dataset.DATE:<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> d = DateDatasetImpl.createFromObject(obj);<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> break;<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> case Dataset.STRING:<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> d = StringDataset.createFromObject(obj);<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> break;<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> case Dataset.OBJECT:<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> d = ObjectDataset.createFromObject(obj);<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> break;<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> case Dataset.RGB:<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> d = RGBDataset.createFromObject(obj);<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> break;<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> default:<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> throw new IllegalArgumentException("Dataset type is not known");<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> }<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> }<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> }<a name="line.353"></a> |
| <span class="sourceLineNo">354</span><a name="line.354"></a> |
| <span class="sourceLineNo">355</span> if (shape != null && !(shape.length == 0 && d.getSize() > 1)) { // allow zero-rank datasets<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> d.setShape(shape);<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> }<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> return d;<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> }<a name="line.359"></a> |
| <span class="sourceLineNo">360</span><a name="line.360"></a> |
| <span class="sourceLineNo">361</span> private static Dataset createFromPrimitiveArray(final int dtype, final Object array) {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> switch (dtype) {<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> case Dataset.BOOL:<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> return new BooleanDataset((boolean []) array);<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> case Dataset.INT8:<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> return new ByteDataset((byte []) array);<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> case Dataset.INT16:<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> return new ShortDataset((short []) array);<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> case Dataset.INT32:<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> return new IntegerDataset((int []) array, null);<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> case Dataset.INT64:<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> return new LongDataset((long []) array);<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> case Dataset.FLOAT32:<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> return new FloatDataset((float []) array);<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> case Dataset.FLOAT64:<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> return new DoubleDataset((double []) array);<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> case Dataset.STRING:<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> return new StringDataset((String []) array);<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> case Dataset.DATE:<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> return new DateDatasetImpl((Date []) array);<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> default:<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> return null;<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> }<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> /**<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> * Create dataset of appropriate type from list<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> * <a name="line.388"></a> |
| <span class="sourceLineNo">389</span> * @param objectList<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> * @return dataset filled with values from list<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> */<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> public static Dataset createFromList(List<?> objectList) {<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> if (objectList == null || objectList.size() == 0) {<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> throw new IllegalArgumentException("No list or zero-length list given");<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> }<a name="line.395"></a> |
| <span class="sourceLineNo">396</span><a name="line.396"></a> |
| <span class="sourceLineNo">397</span> Object obj = null;<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> for (Object o : objectList) {<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> if (o != null) {<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> obj = o;<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> break;<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> }<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> }<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> if (obj == null) {<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> return zeros(ObjectDataset.class, objectList.size());<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> }<a name="line.406"></a> |
| <span class="sourceLineNo">407</span><a name="line.407"></a> |
| <span class="sourceLineNo">408</span> Class<? extends Object> clazz = obj.getClass();<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> if (InterfaceUtils.isElementSupported(clazz)) {<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> return createFromList(InterfaceUtils.getInterface(obj), objectList);<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> }<a name="line.411"></a> |
| <span class="sourceLineNo">412</span><a name="line.412"></a> |
| <span class="sourceLineNo">413</span> return createFromObject(objectList);<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> }<a name="line.414"></a> |
| <span class="sourceLineNo">415</span><a name="line.415"></a> |
| <span class="sourceLineNo">416</span> /**<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> * Create dataset of given type from list<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> *<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> * @param dtype<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> * @param objectList<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> * @return dataset filled with values from list<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> * <a name="line.422"></a> |
| <span class="sourceLineNo">423</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> * such as {@link #createFromList(Class, List)}<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> */ <a name="line.425"></a> |
| <span class="sourceLineNo">426</span> @Deprecated<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> public static Dataset createFromList(final int dtype, List<?> objectList) {<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> int len = objectList.size();<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> Dataset result = zeros(new int[] { len }, dtype);<a name="line.429"></a> |
| <span class="sourceLineNo">430</span><a name="line.430"></a> |
| <span class="sourceLineNo">431</span> for (int i = 0; i < len; i++) {<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> result.setObjectAbs(i, objectList.get(i));<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> }<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> return result;<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> }<a name="line.435"></a> |
| <span class="sourceLineNo">436</span><a name="line.436"></a> |
| <span class="sourceLineNo">437</span> /**<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> * Create compound dataset of given type from given parts<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> *<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> * @param objects<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> * @return compound dataset<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> */<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> public static CompoundDataset createCompoundDataset(Object... objects) {<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> Dataset[] datasets = new Dataset[objects.length];<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> for (int i = 0; i < objects.length; i++) {<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> datasets[i] = createFromObject(objects[i]);<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> }<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> return DatasetUtils.createCompoundDataset(datasets);<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> }<a name="line.449"></a> |
| <span class="sourceLineNo">450</span><a name="line.450"></a> |
| <span class="sourceLineNo">451</span> /**<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> * Create compound dataset of given type from given parts<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> *<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> * @param dtype<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> * @param objects<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> * @return compound dataset<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> * <a name="line.457"></a> |
| <span class="sourceLineNo">458</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> * such as {@link #createCompoundDataset(Class, Object...)}<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> */<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> @Deprecated<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> public static CompoundDataset createCompoundDataset(final int dtype, Object... objects) {<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> Dataset[] datasets = new Dataset[objects.length];<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> for (int i = 0; i < objects.length; i++) {<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> datasets[i] = createFromObject(objects[i]);<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> }<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> return DatasetUtils.createCompoundDataset(dtype, datasets);<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> }<a name="line.468"></a> |
| <span class="sourceLineNo">469</span><a name="line.469"></a> |
| <span class="sourceLineNo">470</span> /**<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> * Create complex dataset of given type from real and imaginary parts<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> *<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> * @param dtype<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> * @param real<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> * @param imag<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> * @return complex dataset<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> * <a name="line.477"></a> |
| <span class="sourceLineNo">478</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> * such as {@link #createComplexDataset(Class, Object, Object)}<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> */<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> @Deprecated<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> public static CompoundDataset createComplexDataset(final int dtype, Object real, Object imag) {<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> switch (dtype) {<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> case Dataset.COMPLEX64:<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> return new ComplexFloatDataset(createFromObject(real), createFromObject(imag));<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> case Dataset.COMPLEX128:<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> return new ComplexDoubleDataset(createFromObject(real), createFromObject(imag));<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> default:<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> throw new IllegalArgumentException("Dataset class must be a complex one");<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> }<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> }<a name="line.491"></a> |
| <span class="sourceLineNo">492</span><a name="line.492"></a> |
| <span class="sourceLineNo">493</span> /**<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> * @param shape<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> * @return a new double dataset of given shape, filled with zeros<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> */<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> public static DoubleDataset zeros(final int... shape) {<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> return zeros(DoubleDataset.class, shape);<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> }<a name="line.499"></a> |
| <span class="sourceLineNo">500</span><a name="line.500"></a> |
| <span class="sourceLineNo">501</span> /**<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> * @param shape<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> * @param dtype<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> * @return a new dataset of given shape and type, filled with zeros<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> * <a name="line.505"></a> |
| <span class="sourceLineNo">506</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> * such as {@link #zeros(Class, int...)}<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> */<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> @Deprecated<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> public static Dataset zeros(final int[] shape, final int dtype) {<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> switch (dtype) {<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> case Dataset.BOOL:<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> return new BooleanDataset(shape);<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> case Dataset.INT8:<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> case Dataset.ARRAYINT8:<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> return new ByteDataset(shape);<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> case Dataset.INT16:<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> case Dataset.ARRAYINT16:<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> return new ShortDataset(shape);<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> case Dataset.RGB:<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> return new RGBDataset(shape);<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> case Dataset.INT32:<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> case Dataset.ARRAYINT32:<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> return new IntegerDataset(shape);<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> case Dataset.INT64:<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> case Dataset.ARRAYINT64:<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> return new LongDataset(shape);<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> case Dataset.FLOAT32:<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> case Dataset.ARRAYFLOAT32:<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> return new FloatDataset(shape);<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> case Dataset.FLOAT64:<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> case Dataset.ARRAYFLOAT64:<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> return new DoubleDataset(shape);<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> case Dataset.COMPLEX64:<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> return new ComplexFloatDataset(shape);<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> case Dataset.COMPLEX128:<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> return new ComplexDoubleDataset(shape);<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> case Dataset.STRING:<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> return new StringDataset(shape);<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> case Dataset.DATE:<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> return new DateDatasetImpl(shape);<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> case Dataset.OBJECT:<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> return new ObjectDataset(shape);<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> }<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> throw new IllegalArgumentException("dtype not known or unsupported");<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> }<a name="line.546"></a> |
| <span class="sourceLineNo">547</span><a name="line.547"></a> |
| <span class="sourceLineNo">548</span> /**<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> * @param itemSize<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> * if equal to 1, then non-compound dataset is returned<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> * @param shape<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> * @param dtype<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> * @return a new dataset of given item size, shape and type, filled with zeros<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> * <a name="line.554"></a> |
| <span class="sourceLineNo">555</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> * such as {@link #zeros(int, Class, int...)}<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> */<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> @Deprecated<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> public static Dataset zeros(final int itemSize, final int[] shape, final int dtype) {<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> if (itemSize == 1) {<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> return zeros(shape, dtype);<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> }<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> return compoundZeros(itemSize, shape, dtype);<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> }<a name="line.564"></a> |
| <span class="sourceLineNo">565</span><a name="line.565"></a> |
| <span class="sourceLineNo">566</span> /**<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> * @param itemSize<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> * @param shape<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> * @param dtype<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> * @return a new dataset of given item size, shape and type, filled with zeros<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> * @since 2.0<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> * <a name="line.572"></a> |
| <span class="sourceLineNo">573</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> * such as {@link #compoundZeros(int, Class, int...)}<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> */<a name="line.575"></a> |
| <span class="sourceLineNo">576</span> @Deprecated<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> public static CompoundDataset compoundZeros(final int itemSize, final int[] shape, final int dtype) {<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> switch (dtype) {<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> case Dataset.INT8:<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> case Dataset.ARRAYINT8:<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> return new CompoundByteDataset(itemSize, shape);<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> case Dataset.INT16:<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> case Dataset.ARRAYINT16:<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> return new CompoundShortDataset(itemSize, shape);<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> case Dataset.RGB:<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> if (itemSize != 3) {<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> throw new IllegalArgumentException("Number of elements not compatible with RGB type");<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> }<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> return new RGBDataset(shape);<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> case Dataset.INT32:<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> case Dataset.ARRAYINT32:<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> return new CompoundIntegerDataset(itemSize, shape);<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> case Dataset.INT64:<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> case Dataset.ARRAYINT64:<a name="line.594"></a> |
| <span class="sourceLineNo">595</span> return new CompoundLongDataset(itemSize, shape);<a name="line.595"></a> |
| <span class="sourceLineNo">596</span> case Dataset.FLOAT32:<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> case Dataset.ARRAYFLOAT32:<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> return new CompoundFloatDataset(itemSize, shape);<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> case Dataset.FLOAT64:<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> case Dataset.ARRAYFLOAT64:<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> return new CompoundDoubleDataset(itemSize, shape);<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> case Dataset.COMPLEX64:<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> if (itemSize != 2) {<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> throw new IllegalArgumentException("Number of elements not compatible with complex type");<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> }<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> return new ComplexFloatDataset(shape);<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> case Dataset.COMPLEX128:<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> if (itemSize != 2) {<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> throw new IllegalArgumentException("Number of elements not compatible with complex type");<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> }<a name="line.610"></a> |
| <span class="sourceLineNo">611</span> return new ComplexDoubleDataset(shape);<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> }<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> throw new IllegalArgumentException("dtype not a known compound type");<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> }<a name="line.614"></a> |
| <span class="sourceLineNo">615</span><a name="line.615"></a> |
| <span class="sourceLineNo">616</span> /**<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> * @param dataset<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> * @return a new dataset of same shape and class as input dataset, filled with zeros<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> */<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> @SuppressWarnings("unchecked")<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> public static <T extends Dataset> T zeros(final T dataset) {<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> int dtype = dataset.getDType();<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> return (T) (DTypeUtils.isDTypeElemental(dtype) ? zeros(dataset, dtype) :<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> compoundZeros(dataset.getElementsPerItem(), dataset.getShapeRef(), dtype));<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> }<a name="line.625"></a> |
| <span class="sourceLineNo">626</span><a name="line.626"></a> |
| <span class="sourceLineNo">627</span> /**<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> * Create a new dataset of same shape as input dataset, filled with zeros. If dtype is not<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> * explicitly compound then an elemental dataset is created <a name="line.629"></a> |
| <span class="sourceLineNo">630</span> * @param dataset<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> * @param dtype<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> * @return a new dataset<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> * <a name="line.633"></a> |
| <span class="sourceLineNo">634</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> * such as {@link #zeros(Dataset, Class)}<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> */<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> @Deprecated<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> public static Dataset zeros(final Dataset dataset, final int dtype) {<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> final int[] shape = dataset.getShapeRef();<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> final int isize = DTypeUtils.isDTypeElemental(dtype) ? 1 :dataset.getElementsPerItem();<a name="line.640"></a> |
| <span class="sourceLineNo">641</span><a name="line.641"></a> |
| <span class="sourceLineNo">642</span> return zeros(isize, shape, dtype);<a name="line.642"></a> |
| <span class="sourceLineNo">643</span> }<a name="line.643"></a> |
| <span class="sourceLineNo">644</span><a name="line.644"></a> |
| <span class="sourceLineNo">645</span> /**<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> * @param dataset<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> * @return a new dataset of same shape and class as input dataset, filled with ones<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> */<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> @SuppressWarnings("unchecked")<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> public static <T extends Dataset> T ones(final T dataset) {<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> return (T) ones(dataset, dataset.getDType());<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> }<a name="line.652"></a> |
| <span class="sourceLineNo">653</span><a name="line.653"></a> |
| <span class="sourceLineNo">654</span> /**<a name="line.654"></a> |
| <span class="sourceLineNo">655</span> * Create a new dataset of same shape as input dataset, filled with ones. If dtype is not<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> * explicitly compound then an elemental dataset is created<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> * @param dataset<a name="line.657"></a> |
| <span class="sourceLineNo">658</span> * @param dtype<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> * @return a new dataset<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> * <a name="line.660"></a> |
| <span class="sourceLineNo">661</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.661"></a> |
| <span class="sourceLineNo">662</span> * such as {@link #ones(Dataset, Class)}<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> */<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> @Deprecated<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> public static Dataset ones(final Dataset dataset, final int dtype) {<a name="line.665"></a> |
| <span class="sourceLineNo">666</span> final int[] shape = dataset.getShapeRef();<a name="line.666"></a> |
| <span class="sourceLineNo">667</span> final int isize = DTypeUtils.isDTypeElemental(dtype) ? 1 :dataset.getElementsPerItem();<a name="line.667"></a> |
| <span class="sourceLineNo">668</span><a name="line.668"></a> |
| <span class="sourceLineNo">669</span> return ones(isize, shape, dtype);<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> }<a name="line.670"></a> |
| <span class="sourceLineNo">671</span><a name="line.671"></a> |
| <span class="sourceLineNo">672</span> /**<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> * @param shape<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> * @return a new double dataset of given shape, filled with ones<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> */<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> public static DoubleDataset ones(final int... shape) {<a name="line.676"></a> |
| <span class="sourceLineNo">677</span> return ones(DoubleDataset.class, shape);<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> }<a name="line.678"></a> |
| <span class="sourceLineNo">679</span><a name="line.679"></a> |
| <span class="sourceLineNo">680</span> /**<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> * @param shape<a name="line.681"></a> |
| <span class="sourceLineNo">682</span> * @param dtype<a name="line.682"></a> |
| <span class="sourceLineNo">683</span> * @return a new dataset of given shape and type, filled with ones<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> * <a name="line.684"></a> |
| <span class="sourceLineNo">685</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> * such as {@link #ones(Class, int...)}<a name="line.686"></a> |
| <span class="sourceLineNo">687</span> */<a name="line.687"></a> |
| <span class="sourceLineNo">688</span> @Deprecated<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> public static Dataset ones(final int[] shape, final int dtype) {<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> switch (dtype) {<a name="line.690"></a> |
| <span class="sourceLineNo">691</span> case Dataset.BOOL:<a name="line.691"></a> |
| <span class="sourceLineNo">692</span> return BooleanDataset.ones(shape);<a name="line.692"></a> |
| <span class="sourceLineNo">693</span> case Dataset.INT8:<a name="line.693"></a> |
| <span class="sourceLineNo">694</span> return ByteDataset.ones(shape);<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> case Dataset.INT16:<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> return ShortDataset.ones(shape);<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> case Dataset.RGB:<a name="line.697"></a> |
| <span class="sourceLineNo">698</span> return new RGBDataset(shape).fill(1);<a name="line.698"></a> |
| <span class="sourceLineNo">699</span> case Dataset.INT32:<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> return IntegerDataset.ones(shape);<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> case Dataset.INT64:<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> return LongDataset.ones(shape);<a name="line.702"></a> |
| <span class="sourceLineNo">703</span> case Dataset.FLOAT32:<a name="line.703"></a> |
| <span class="sourceLineNo">704</span> return FloatDataset.ones(shape);<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> case Dataset.FLOAT64:<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> return DoubleDataset.ones(shape);<a name="line.706"></a> |
| <span class="sourceLineNo">707</span> case Dataset.COMPLEX64:<a name="line.707"></a> |
| <span class="sourceLineNo">708</span> return ComplexFloatDataset.ones(shape);<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> case Dataset.COMPLEX128:<a name="line.709"></a> |
| <span class="sourceLineNo">710</span> return ComplexDoubleDataset.ones(shape);<a name="line.710"></a> |
| <span class="sourceLineNo">711</span> }<a name="line.711"></a> |
| <span class="sourceLineNo">712</span> throw new IllegalArgumentException("dtype not known");<a name="line.712"></a> |
| <span class="sourceLineNo">713</span> }<a name="line.713"></a> |
| <span class="sourceLineNo">714</span><a name="line.714"></a> |
| <span class="sourceLineNo">715</span> /**<a name="line.715"></a> |
| <span class="sourceLineNo">716</span> * @param itemSize<a name="line.716"></a> |
| <span class="sourceLineNo">717</span> * if equal to 1, then non-compound dataset is returned<a name="line.717"></a> |
| <span class="sourceLineNo">718</span> * @param shape<a name="line.718"></a> |
| <span class="sourceLineNo">719</span> * @param dtype<a name="line.719"></a> |
| <span class="sourceLineNo">720</span> * @return a new dataset of given item size, shape and type, filled with ones<a name="line.720"></a> |
| <span class="sourceLineNo">721</span> * <a name="line.721"></a> |
| <span class="sourceLineNo">722</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.722"></a> |
| <span class="sourceLineNo">723</span> * such as {@link #ones(Class, int...)}<a name="line.723"></a> |
| <span class="sourceLineNo">724</span> */<a name="line.724"></a> |
| <span class="sourceLineNo">725</span> @Deprecated<a name="line.725"></a> |
| <span class="sourceLineNo">726</span> public static Dataset ones(final int itemSize, final int[] shape, final int dtype) {<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> if (itemSize == 1) {<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> return ones(shape, dtype);<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> }<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> switch (dtype) {<a name="line.730"></a> |
| <span class="sourceLineNo">731</span> case Dataset.INT8:<a name="line.731"></a> |
| <span class="sourceLineNo">732</span> case Dataset.ARRAYINT8:<a name="line.732"></a> |
| <span class="sourceLineNo">733</span> return CompoundByteDataset.ones(itemSize, shape);<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> case Dataset.INT16:<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> case Dataset.ARRAYINT16:<a name="line.735"></a> |
| <span class="sourceLineNo">736</span> return CompoundShortDataset.ones(itemSize, shape);<a name="line.736"></a> |
| <span class="sourceLineNo">737</span> case Dataset.RGB:<a name="line.737"></a> |
| <span class="sourceLineNo">738</span> if (itemSize != 3) {<a name="line.738"></a> |
| <span class="sourceLineNo">739</span> throw new IllegalArgumentException("Number of elements not compatible with RGB type");<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> }<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> return new RGBDataset(shape).fill(1);<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> case Dataset.INT32:<a name="line.742"></a> |
| <span class="sourceLineNo">743</span> case Dataset.ARRAYINT32:<a name="line.743"></a> |
| <span class="sourceLineNo">744</span> return CompoundIntegerDataset.ones(itemSize, shape);<a name="line.744"></a> |
| <span class="sourceLineNo">745</span> case Dataset.INT64:<a name="line.745"></a> |
| <span class="sourceLineNo">746</span> case Dataset.ARRAYINT64:<a name="line.746"></a> |
| <span class="sourceLineNo">747</span> return CompoundLongDataset.ones(itemSize, shape);<a name="line.747"></a> |
| <span class="sourceLineNo">748</span> case Dataset.FLOAT32:<a name="line.748"></a> |
| <span class="sourceLineNo">749</span> case Dataset.ARRAYFLOAT32:<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> return CompoundFloatDataset.ones(itemSize, shape);<a name="line.750"></a> |
| <span class="sourceLineNo">751</span> case Dataset.FLOAT64:<a name="line.751"></a> |
| <span class="sourceLineNo">752</span> case Dataset.ARRAYFLOAT64:<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> return CompoundDoubleDataset.ones(itemSize, shape);<a name="line.753"></a> |
| <span class="sourceLineNo">754</span> case Dataset.COMPLEX64:<a name="line.754"></a> |
| <span class="sourceLineNo">755</span> if (itemSize != 2) {<a name="line.755"></a> |
| <span class="sourceLineNo">756</span> throw new IllegalArgumentException("Number of elements not compatible with complex type");<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> }<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> return ComplexFloatDataset.ones(shape);<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> case Dataset.COMPLEX128:<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> if (itemSize != 2) {<a name="line.760"></a> |
| <span class="sourceLineNo">761</span> throw new IllegalArgumentException("Number of elements not compatible with complex type");<a name="line.761"></a> |
| <span class="sourceLineNo">762</span> }<a name="line.762"></a> |
| <span class="sourceLineNo">763</span> return ComplexDoubleDataset.ones(shape);<a name="line.763"></a> |
| <span class="sourceLineNo">764</span> }<a name="line.764"></a> |
| <span class="sourceLineNo">765</span> throw new IllegalArgumentException("dtype not a known compound type");<a name="line.765"></a> |
| <span class="sourceLineNo">766</span> }<a name="line.766"></a> |
| <span class="sourceLineNo">767</span><a name="line.767"></a> |
| <span class="sourceLineNo">768</span> /**<a name="line.768"></a> |
| <span class="sourceLineNo">769</span> * Create a 1D dataset of linearly spaced values in closed interval<a name="line.769"></a> |
| <span class="sourceLineNo">770</span> * <a name="line.770"></a> |
| <span class="sourceLineNo">771</span> * @param start<a name="line.771"></a> |
| <span class="sourceLineNo">772</span> * @param stop stop value is included<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> * @param length number of points<a name="line.773"></a> |
| <span class="sourceLineNo">774</span> * @param dtype<a name="line.774"></a> |
| <span class="sourceLineNo">775</span> * @return dataset with linearly spaced values<a name="line.775"></a> |
| <span class="sourceLineNo">776</span> * <a name="line.776"></a> |
| <span class="sourceLineNo">777</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.777"></a> |
| <span class="sourceLineNo">778</span> * such as {@link #createLinearSpace(Class, double, double, int)}<a name="line.778"></a> |
| <span class="sourceLineNo">779</span> */<a name="line.779"></a> |
| <span class="sourceLineNo">780</span> @Deprecated<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> public static Dataset createLinearSpace(final double start, final double stop, final int length, final int dtype) {<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> return createLinearSpace(DTypeUtils.getInterface(dtype), start, stop, length);<a name="line.782"></a> |
| <span class="sourceLineNo">783</span> }<a name="line.783"></a> |
| <span class="sourceLineNo">784</span><a name="line.784"></a> |
| <span class="sourceLineNo">785</span> /**<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> * Create a 1D dataset of linearly spaced values in closed interval<a name="line.786"></a> |
| <span class="sourceLineNo">787</span> * <a name="line.787"></a> |
| <span class="sourceLineNo">788</span> * @param clazz dataset class<a name="line.788"></a> |
| <span class="sourceLineNo">789</span> * @param start<a name="line.789"></a> |
| <span class="sourceLineNo">790</span> * @param stop stop value is included<a name="line.790"></a> |
| <span class="sourceLineNo">791</span> * @param length number of points<a name="line.791"></a> |
| <span class="sourceLineNo">792</span> * @return dataset with linearly spaced values<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> */<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> public static <T extends Dataset> T createLinearSpace(Class<T> clazz, final double start, final double stop, final int length) {<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> if (length < 1) {<a name="line.795"></a> |
| <span class="sourceLineNo">796</span> throw new IllegalArgumentException("Length is less than one");<a name="line.796"></a> |
| <span class="sourceLineNo">797</span> } else if (length == 1) {<a name="line.797"></a> |
| <span class="sourceLineNo">798</span> return createFromObject(clazz, start);<a name="line.798"></a> |
| <span class="sourceLineNo">799</span> } else {<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> T ds = zeros(clazz, length);<a name="line.800"></a> |
| <span class="sourceLineNo">801</span> double num = stop - start;<a name="line.801"></a> |
| <span class="sourceLineNo">802</span> double den = length - 1;<a name="line.802"></a> |
| <span class="sourceLineNo">803</span> double value;<a name="line.803"></a> |
| <span class="sourceLineNo">804</span> <a name="line.804"></a> |
| <span class="sourceLineNo">805</span> for (int i = 0; i < length; i++) {<a name="line.805"></a> |
| <span class="sourceLineNo">806</span> value = start + (num * i) / den;<a name="line.806"></a> |
| <span class="sourceLineNo">807</span> ds.setObjectAbs(i, value);<a name="line.807"></a> |
| <span class="sourceLineNo">808</span> }<a name="line.808"></a> |
| <span class="sourceLineNo">809</span><a name="line.809"></a> |
| <span class="sourceLineNo">810</span> return ds;<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> }<a name="line.811"></a> |
| <span class="sourceLineNo">812</span> }<a name="line.812"></a> |
| <span class="sourceLineNo">813</span><a name="line.813"></a> |
| <span class="sourceLineNo">814</span> /**<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> * Create a 1D dataset of logarithmically spaced values in closed interval. The base value is used to<a name="line.815"></a> |
| <span class="sourceLineNo">816</span> * determine the factor between values: factor = base ** step, where step is the interval between linearly<a name="line.816"></a> |
| <span class="sourceLineNo">817</span> * spaced sequence of points<a name="line.817"></a> |
| <span class="sourceLineNo">818</span> * <a name="line.818"></a> |
| <span class="sourceLineNo">819</span> * @param start<a name="line.819"></a> |
| <span class="sourceLineNo">820</span> * @param stop stop value is included<a name="line.820"></a> |
| <span class="sourceLineNo">821</span> * @param length number of points<a name="line.821"></a> |
| <span class="sourceLineNo">822</span> * @param base<a name="line.822"></a> |
| <span class="sourceLineNo">823</span> * @param dtype<a name="line.823"></a> |
| <span class="sourceLineNo">824</span> * @return dataset with logarithmically spaced values<a name="line.824"></a> |
| <span class="sourceLineNo">825</span> * <a name="line.825"></a> |
| <span class="sourceLineNo">826</span> * @deprecated Please use the class-based methods in DatasetFactory,<a name="line.826"></a> |
| <span class="sourceLineNo">827</span> * such as {@link #createLogSpace(Class, double, double, int, double)}<a name="line.827"></a> |
| <span class="sourceLineNo">828</span> */<a name="line.828"></a> |
| <span class="sourceLineNo">829</span> @Deprecated<a name="line.829"></a> |
| <span class="sourceLineNo">830</span> public static Dataset createLogSpace(final double start, final double stop, final int length, final double base, final int dtype) {<a name="line.830"></a> |
| <span class="sourceLineNo">831</span> return createLogSpace(DTypeUtils.getInterface(dtype), start, stop, length, base);<a name="line.831"></a> |
| <span class="sourceLineNo">832</span> }<a name="line.832"></a> |
| <span class="sourceLineNo">833</span><a name="line.833"></a> |
| <span class="sourceLineNo">834</span> /**<a name="line.834"></a> |
| <span class="sourceLineNo">835</span> * Create a 1D dataset of logarithmically spaced values in closed interval. The base value is used to<a name="line.835"></a> |
| <span class="sourceLineNo">836</span> * determine the factor between values: factor = base ** step, where step is the interval between linearly<a name="line.836"></a> |
| <span class="sourceLineNo">837</span> * spaced sequence of points<a name="line.837"></a> |
| <span class="sourceLineNo">838</span> * <a name="line.838"></a> |
| <span class="sourceLineNo">839</span> * @param clazz dataset class<a name="line.839"></a> |
| <span class="sourceLineNo">840</span> * @param start<a name="line.840"></a> |
| <span class="sourceLineNo">841</span> * @param stop stop value is included<a name="line.841"></a> |
| <span class="sourceLineNo">842</span> * @param length number of points<a name="line.842"></a> |
| <span class="sourceLineNo">843</span> * @param base<a name="line.843"></a> |
| <span class="sourceLineNo">844</span> * @return dataset with logarithmically spaced values<a name="line.844"></a> |
| <span class="sourceLineNo">845</span> */<a name="line.845"></a> |
| <span class="sourceLineNo">846</span> public static <T extends Dataset> T createLogSpace(Class<T> clazz, final double start, final double stop, final int length, final double base) {<a name="line.846"></a> |
| <span class="sourceLineNo">847</span> if (length < 1) {<a name="line.847"></a> |
| <span class="sourceLineNo">848</span> throw new IllegalArgumentException("Length is less than one");<a name="line.848"></a> |
| <span class="sourceLineNo">849</span> } else if (length == 1) {<a name="line.849"></a> |
| <span class="sourceLineNo">850</span> return createFromObject(clazz, Math.pow(base, start));<a name="line.850"></a> |
| <span class="sourceLineNo">851</span> } else {<a name="line.851"></a> |
| <span class="sourceLineNo">852</span> T ds = zeros(clazz, length);<a name="line.852"></a> |
| <span class="sourceLineNo">853</span> double step = (stop - start) / (length - 1);<a name="line.853"></a> |
| <span class="sourceLineNo">854</span> double value;<a name="line.854"></a> |
| <span class="sourceLineNo">855</span> <a name="line.855"></a> |
| <span class="sourceLineNo">856</span> for (int i = 0; i < length; i++) {<a name="line.856"></a> |
| <span class="sourceLineNo">857</span> value = start + i * step;<a name="line.857"></a> |
| <span class="sourceLineNo">858</span> ds.setObjectAbs(i, Math.pow(base, value));<a name="line.858"></a> |
| <span class="sourceLineNo">859</span> }<a name="line.859"></a> |
| <span class="sourceLineNo">860</span> <a name="line.860"></a> |
| <span class="sourceLineNo">861</span> return ds;<a name="line.861"></a> |
| <span class="sourceLineNo">862</span> }<a name="line.862"></a> |
| <span class="sourceLineNo">863</span> }<a name="line.863"></a> |
| <span class="sourceLineNo">864</span><a name="line.864"></a> |
| <span class="sourceLineNo">865</span> /**<a name="line.865"></a> |
| <span class="sourceLineNo">866</span> * Create dataset with items ranging from 0 up to given stop in steps of 1<a name="line.866"></a> |
| <span class="sourceLineNo">867</span> * @param clazz dataset class<a name="line.867"></a> |
| <span class="sourceLineNo">868</span> * @param stop stop value is <strong>not</strong> included<a name="line.868"></a> |
| <span class="sourceLineNo">869</span> * @return a new dataset of given shape and class, filled with values determined by parameters<a name="line.869"></a> |
| <span class="sourceLineNo">870</span> */<a name="line.870"></a> |
| <span class="sourceLineNo">871</span> @SuppressWarnings("unchecked")<a name="line.871"></a> |
| <span class="sourceLineNo">872</span> public static <T extends Dataset> T createRange(Class<T> clazz, final double stop) {<a name="line.872"></a> |
| <span class="sourceLineNo">873</span> return (T) createRange(0, stop, 1, DTypeUtils.getDType(clazz));<a name="line.873"></a> |
| <span class="sourceLineNo">874</span> }<a name="line.874"></a> |
| <span class="sourceLineNo">875</span><a name="line.875"></a> |
| <span class="sourceLineNo">876</span> /**<a name="line.876"></a> |
| <span class="sourceLineNo">877</span> * Create dataset with items ranging from given start up to given stop in given steps<a name="line.877"></a> |
| <span class="sourceLineNo">878</span> * @param clazz dataset class<a name="line.878"></a> |
| <span class="sourceLineNo">879</span> * @param start<a name="line.879"></a> |
| <span class="sourceLineNo">880</span> * @param stop stop value is <strong>not</strong> included<a name="line.880"></a> |
| <span class="sourceLineNo">881</span> * @param step spacing between items<a name="line.881"></a> |
| <span class="sourceLineNo">882</span> * @return a new 1D dataset of given class, filled with values determined by parameters<a name="line.882"></a> |
| <span class="sourceLineNo">883</span> */<a name="line.883"></a> |
| <span class="sourceLineNo">884</span> @SuppressWarnings("unchecked")<a name="line.884"></a> |
| <span class="sourceLineNo">885</span> public static <T extends Dataset> T createRange(Class<T> clazz, final double start, final double stop, final double step) {<a name="line.885"></a> |
| <span class="sourceLineNo">886</span> return (T) createRange(start, stop, step, DTypeUtils.getDType(clazz));<a name="line.886"></a> |
| <span class="sourceLineNo">887</span> }<a name="line.887"></a> |
| <span class="sourceLineNo">888</span><a name="line.888"></a> |
| <span class="sourceLineNo">889</span> /**<a name="line.889"></a> |
| <span class="sourceLineNo">890</span> * Create compound dataset with items ranging from 0 up to given stop in steps of 1<a name="line.890"></a> |
| <span class="sourceLineNo">891</span> * @param itemSize<a name="line.891"></a> |
| <span class="sourceLineNo">892</span> * @param clazz compound dataset class<a name="line.892"></a> |
| <span class="sourceLineNo">893</span> * @param stop stop value is <strong>not</strong> included<a name="line.893"></a> |
| <span class="sourceLineNo">894</span> * @return a new 1D dataset of given class, filled with values determined by parameters<a name="line.894"></a> |
| <span class="sourceLineNo">895</span> * @since 2.1<a name="line.895"></a> |
| <span class="sourceLineNo">896</span> */<a name="line.896"></a> |
| <span class="sourceLineNo">897</span> @SuppressWarnings("unchecked")<a name="line.897"></a> |
| <span class="sourceLineNo">898</span> public static <T extends CompoundDataset> T createRange(final int itemSize, Class<T> clazz, final double stop) {<a name="line.898"></a> |
| <span class="sourceLineNo">899</span> return (T) createRange(itemSize, 0, stop, 1, DTypeUtils.getDType(clazz));<a name="line.899"></a> |
| <span class="sourceLineNo">900</span> }<a name="line.900"></a> |
| <span class="sourceLineNo">901</span><a name="line.901"></a> |
| <span class="sourceLineNo">902</span> /**<a name="line.902"></a> |
| <span class="sourceLineNo">903</span> * Create compound dataset with items ranging from given start up to given stop in given steps<a name="line.903"></a> |
| <span class="sourceLineNo">904</span> * @param itemSize<a name="line.904"></a> |
| <span class="sourceLineNo">905</span> * @param clazz compound dataset class<a name="line.905"></a> |
| <span class="sourceLineNo">906</span> * @param start<a name="line.906"></a> |
| <span class="sourceLineNo">907</span> * @param stop stop value is <strong>not</strong> included<a name="line.907"></a> |
| <span class="sourceLineNo">908</span> * @param step spacing between items<a name="line.908"></a> |
| <span class="sourceLineNo">909</span> * @return a new 1D dataset of given class, filled with values determined by parameters<a name="line.909"></a> |
| <span class="sourceLineNo">910</span> * @since 2.1<a name="line.910"></a> |
| <span class="sourceLineNo">911</span> */<a name="line.911"></a> |
| <span class="sourceLineNo">912</span> @SuppressWarnings("unchecked")<a name="line.912"></a> |
| <span class="sourceLineNo">913</span> public static <T extends CompoundDataset> T createRange(final int itemSize, Class<T> clazz, final double start, final double stop, final double step) {<a name="line.913"></a> |
| <span class="sourceLineNo">914</span> return (T) createRange(itemSize, start, stop, step, DTypeUtils.getDType(clazz));<a name="line.914"></a> |
| <span class="sourceLineNo">915</span> }<a name="line.915"></a> |
| <span class="sourceLineNo">916</span><a name="line.916"></a> |
| <span class="sourceLineNo">917</span> /**<a name="line.917"></a> |
| <span class="sourceLineNo">918</span> * Create a dataset from object<a name="line.918"></a> |
| <span class="sourceLineNo">919</span> * @param clazz dataset class<a name="line.919"></a> |
| <span class="sourceLineNo">920</span> * @param obj<a name="line.920"></a> |
| <span class="sourceLineNo">921</span> * can be a Java list, array or Number<a name="line.921"></a> |
| <span class="sourceLineNo">922</span> * @return dataset<a name="line.922"></a> |
| <span class="sourceLineNo">923</span> * @throws IllegalArgumentException if dataset class is not known<a name="line.923"></a> |
| <span class="sourceLineNo">924</span> * @since 2.1<a name="line.924"></a> |
| <span class="sourceLineNo">925</span> */<a name="line.925"></a> |
| <span class="sourceLineNo">926</span> @SuppressWarnings("unchecked")<a name="line.926"></a> |
| <span class="sourceLineNo">927</span> public static <T extends Dataset> T createFromObject(Class<T> clazz, Object obj) {<a name="line.927"></a> |
| <span class="sourceLineNo">928</span> return (T) createFromObject(1, DTypeUtils.getDType(clazz), obj, null);<a name="line.928"></a> |
| <span class="sourceLineNo">929</span> }<a name="line.929"></a> |
| <span class="sourceLineNo">930</span><a name="line.930"></a> |
| <span class="sourceLineNo">931</span><a name="line.931"></a> |
| <span class="sourceLineNo">932</span> /**<a name="line.932"></a> |
| <span class="sourceLineNo">933</span> * Create a dataset from object<a name="line.933"></a> |
| <span class="sourceLineNo">934</span> * @param clazz dataset class<a name="line.934"></a> |
| <span class="sourceLineNo">935</span> * @param obj<a name="line.935"></a> |
| <span class="sourceLineNo">936</span> * can be a Java list, array or Number<a name="line.936"></a> |
| <span class="sourceLineNo">937</span> * @param shape can be null<a name="line.937"></a> |
| <span class="sourceLineNo">938</span> * @return dataset<a name="line.938"></a> |
| <span class="sourceLineNo">939</span> */<a name="line.939"></a> |
| <span class="sourceLineNo">940</span> @SuppressWarnings("unchecked")<a name="line.940"></a> |
| <span class="sourceLineNo">941</span> public static <T extends Dataset> T createFromObject(Class<T> clazz, Object obj, int... shape) {<a name="line.941"></a> |
| <span class="sourceLineNo">942</span> return (T) createFromObject(1, DTypeUtils.getDType(clazz), obj, shape);<a name="line.942"></a> |
| <span class="sourceLineNo">943</span> }<a name="line.943"></a> |
| <span class="sourceLineNo">944</span><a name="line.944"></a> |
| <span class="sourceLineNo">945</span> /**<a name="line.945"></a> |
| <span class="sourceLineNo">946</span> * Create a compound dataset from object<a name="line.946"></a> |
| <span class="sourceLineNo">947</span> * @param itemSize<a name="line.947"></a> |
| <span class="sourceLineNo">948</span> * @param clazz dataset class<a name="line.948"></a> |
| <span class="sourceLineNo">949</span> * @param obj<a name="line.949"></a> |
| <span class="sourceLineNo">950</span> * can be a Java list, array or Number<a name="line.950"></a> |
| <span class="sourceLineNo">951</span> * @param shape can be null<a name="line.951"></a> |
| <span class="sourceLineNo">952</span> * @return dataset<a name="line.952"></a> |
| <span class="sourceLineNo">953</span> */<a name="line.953"></a> |
| <span class="sourceLineNo">954</span> @SuppressWarnings("unchecked")<a name="line.954"></a> |
| <span class="sourceLineNo">955</span> public static <T extends Dataset> T createFromObject(final int itemSize, Class<T> clazz, Object obj, int... shape) {<a name="line.955"></a> |
| <span class="sourceLineNo">956</span> return (T) createFromObject(itemSize, DTypeUtils.getDType(clazz), obj, shape);<a name="line.956"></a> |
| <span class="sourceLineNo">957</span> }<a name="line.957"></a> |
| <span class="sourceLineNo">958</span><a name="line.958"></a> |
| <span class="sourceLineNo">959</span> /**<a name="line.959"></a> |
| <span class="sourceLineNo">960</span> * Create dataset of given class from list<a name="line.960"></a> |
| <span class="sourceLineNo">961</span> *<a name="line.961"></a> |
| <span class="sourceLineNo">962</span> * @param clazz dataset class<a name="line.962"></a> |
| <span class="sourceLineNo">963</span> * @param objectList<a name="line.963"></a> |
| <span class="sourceLineNo">964</span> * @return dataset filled with values from list<a name="line.964"></a> |
| <span class="sourceLineNo">965</span> */<a name="line.965"></a> |
| <span class="sourceLineNo">966</span> @SuppressWarnings("unchecked")<a name="line.966"></a> |
| <span class="sourceLineNo">967</span> public static <T extends Dataset> T createFromList(Class<T> clazz, List<?> objectList) {<a name="line.967"></a> |
| <span class="sourceLineNo">968</span> return (T) createFromList(DTypeUtils.getDType(clazz), objectList);<a name="line.968"></a> |
| <span class="sourceLineNo">969</span> }<a name="line.969"></a> |
| <span class="sourceLineNo">970</span><a name="line.970"></a> |
| <span class="sourceLineNo">971</span> /**<a name="line.971"></a> |
| <span class="sourceLineNo">972</span> * Create compound dataset of given class from given parts<a name="line.972"></a> |
| <span class="sourceLineNo">973</span> *<a name="line.973"></a> |
| <span class="sourceLineNo">974</span> * @param clazz dataset class<a name="line.974"></a> |
| <span class="sourceLineNo">975</span> * @param objects<a name="line.975"></a> |
| <span class="sourceLineNo">976</span> * @return compound dataset<a name="line.976"></a> |
| <span class="sourceLineNo">977</span> */<a name="line.977"></a> |
| <span class="sourceLineNo">978</span> @SuppressWarnings("unchecked")<a name="line.978"></a> |
| <span class="sourceLineNo">979</span> public static <T extends Dataset> T createCompoundDataset(Class<T> clazz, Object... objects) {<a name="line.979"></a> |
| <span class="sourceLineNo">980</span> return (T) createCompoundDataset(DTypeUtils.getDType(clazz), objects);<a name="line.980"></a> |
| <span class="sourceLineNo">981</span> }<a name="line.981"></a> |
| <span class="sourceLineNo">982</span><a name="line.982"></a> |
| <span class="sourceLineNo">983</span> /**<a name="line.983"></a> |
| <span class="sourceLineNo">984</span> * Create complex dataset of given class from real and imaginary parts<a name="line.984"></a> |
| <span class="sourceLineNo">985</span> *<a name="line.985"></a> |
| <span class="sourceLineNo">986</span> * @param clazz dataset class<a name="line.986"></a> |
| <span class="sourceLineNo">987</span> * @param real<a name="line.987"></a> |
| <span class="sourceLineNo">988</span> * @param imag<a name="line.988"></a> |
| <span class="sourceLineNo">989</span> * @return complex dataset<a name="line.989"></a> |
| <span class="sourceLineNo">990</span> */<a name="line.990"></a> |
| <span class="sourceLineNo">991</span> @SuppressWarnings("unchecked")<a name="line.991"></a> |
| <span class="sourceLineNo">992</span> public static <T extends Dataset> T createComplexDataset(Class<T> clazz, Object real, Object imag) {<a name="line.992"></a> |
| <span class="sourceLineNo">993</span> return (T) createComplexDataset(DTypeUtils.getDType(clazz), real, imag);<a name="line.993"></a> |
| <span class="sourceLineNo">994</span> }<a name="line.994"></a> |
| <span class="sourceLineNo">995</span><a name="line.995"></a> |
| <span class="sourceLineNo">996</span> /**<a name="line.996"></a> |
| <span class="sourceLineNo">997</span> * @param clazz dataset class<a name="line.997"></a> |
| <span class="sourceLineNo">998</span> * @param shape<a name="line.998"></a> |
| <span class="sourceLineNo">999</span> * @return a new dataset of given shape and class, filled with zeros<a name="line.999"></a> |
| <span class="sourceLineNo">1000</span> */<a name="line.1000"></a> |
| <span class="sourceLineNo">1001</span> @SuppressWarnings("unchecked")<a name="line.1001"></a> |
| <span class="sourceLineNo">1002</span> public static <T extends Dataset> T zeros(Class<T> clazz, int... shape) {<a name="line.1002"></a> |
| <span class="sourceLineNo">1003</span> return (T) zeros(shape, DTypeUtils.getDType(clazz));<a name="line.1003"></a> |
| <span class="sourceLineNo">1004</span> }<a name="line.1004"></a> |
| <span class="sourceLineNo">1005</span><a name="line.1005"></a> |
| <span class="sourceLineNo">1006</span> /**<a name="line.1006"></a> |
| <span class="sourceLineNo">1007</span> * @param itemSize<a name="line.1007"></a> |
| <span class="sourceLineNo">1008</span> * if equal to 1, then non-compound dataset is returned<a name="line.1008"></a> |
| <span class="sourceLineNo">1009</span> * @param clazz dataset class<a name="line.1009"></a> |
| <span class="sourceLineNo">1010</span> * @param shape<a name="line.1010"></a> |
| <span class="sourceLineNo">1011</span> * @return a new dataset of given item size, shape and class, filled with zeros<a name="line.1011"></a> |
| <span class="sourceLineNo">1012</span> */<a name="line.1012"></a> |
| <span class="sourceLineNo">1013</span> @SuppressWarnings("unchecked")<a name="line.1013"></a> |
| <span class="sourceLineNo">1014</span> public static <T extends Dataset> T zeros(int itemSize, Class<T> clazz, int... shape) {<a name="line.1014"></a> |
| <span class="sourceLineNo">1015</span> return (T) zeros(itemSize, shape, DTypeUtils.getDType(clazz));<a name="line.1015"></a> |
| <span class="sourceLineNo">1016</span> }<a name="line.1016"></a> |
| <span class="sourceLineNo">1017</span><a name="line.1017"></a> |
| <span class="sourceLineNo">1018</span> /**<a name="line.1018"></a> |
| <span class="sourceLineNo">1019</span> * @param dataset<a name="line.1019"></a> |
| <span class="sourceLineNo">1020</span> * @param clazz dataset class<a name="line.1020"></a> |
| <span class="sourceLineNo">1021</span> * @return a new dataset of given class with same shape as input dataset, filled with zeros<a name="line.1021"></a> |
| <span class="sourceLineNo">1022</span> */<a name="line.1022"></a> |
| <span class="sourceLineNo">1023</span> @SuppressWarnings("unchecked")<a name="line.1023"></a> |
| <span class="sourceLineNo">1024</span> public static <T extends Dataset> T zeros(Dataset dataset, Class<T> clazz) {<a name="line.1024"></a> |
| <span class="sourceLineNo">1025</span> return (T) zeros(dataset, DTypeUtils.getDType(clazz));<a name="line.1025"></a> |
| <span class="sourceLineNo">1026</span> }<a name="line.1026"></a> |
| <span class="sourceLineNo">1027</span><a name="line.1027"></a> |
| <span class="sourceLineNo">1028</span> /**<a name="line.1028"></a> |
| <span class="sourceLineNo">1029</span> * @param itemSize<a name="line.1029"></a> |
| <span class="sourceLineNo">1030</span> * @param clazz compound dataset class<a name="line.1030"></a> |
| <span class="sourceLineNo">1031</span> * @param shape<a name="line.1031"></a> |
| <span class="sourceLineNo">1032</span> * @return a new compound dataset of given item size, shape and class, filled with zeros<a name="line.1032"></a> |
| <span class="sourceLineNo">1033</span> * @since 2.0<a name="line.1033"></a> |
| <span class="sourceLineNo">1034</span> */<a name="line.1034"></a> |
| <span class="sourceLineNo">1035</span> @SuppressWarnings("unchecked")<a name="line.1035"></a> |
| <span class="sourceLineNo">1036</span> public static <T extends CompoundDataset> T compoundZeros(int itemSize, Class<T> clazz, int... shape) {<a name="line.1036"></a> |
| <span class="sourceLineNo">1037</span> return (T) compoundZeros(itemSize, shape, DTypeUtils.getDType(clazz));<a name="line.1037"></a> |
| <span class="sourceLineNo">1038</span> }<a name="line.1038"></a> |
| <span class="sourceLineNo">1039</span><a name="line.1039"></a> |
| <span class="sourceLineNo">1040</span> /**<a name="line.1040"></a> |
| <span class="sourceLineNo">1041</span> * @param clazz dataset class<a name="line.1041"></a> |
| <span class="sourceLineNo">1042</span> * @param shape<a name="line.1042"></a> |
| <span class="sourceLineNo">1043</span> * @return a new dataset of given shape and class, filled with ones<a name="line.1043"></a> |
| <span class="sourceLineNo">1044</span> */<a name="line.1044"></a> |
| <span class="sourceLineNo">1045</span> @SuppressWarnings("unchecked")<a name="line.1045"></a> |
| <span class="sourceLineNo">1046</span> public static <T extends Dataset> T ones(Class<T> clazz, int... shape) {<a name="line.1046"></a> |
| <span class="sourceLineNo">1047</span> return (T) ones(shape, DTypeUtils.getDType(clazz));<a name="line.1047"></a> |
| <span class="sourceLineNo">1048</span> }<a name="line.1048"></a> |
| <span class="sourceLineNo">1049</span><a name="line.1049"></a> |
| <span class="sourceLineNo">1050</span> /**<a name="line.1050"></a> |
| <span class="sourceLineNo">1051</span> * @param itemSize<a name="line.1051"></a> |
| <span class="sourceLineNo">1052</span> * if equal to 1, then non-compound dataset is returned<a name="line.1052"></a> |
| <span class="sourceLineNo">1053</span> * @param clazz dataset class<a name="line.1053"></a> |
| <span class="sourceLineNo">1054</span> * @param shape<a name="line.1054"></a> |
| <span class="sourceLineNo">1055</span> * @return a new dataset of given item size, shape and class, filled with ones<a name="line.1055"></a> |
| <span class="sourceLineNo">1056</span> */<a name="line.1056"></a> |
| <span class="sourceLineNo">1057</span> @SuppressWarnings("unchecked")<a name="line.1057"></a> |
| <span class="sourceLineNo">1058</span> public static <T extends Dataset> T ones(int itemSize, Class<T> clazz, int... shape) {<a name="line.1058"></a> |
| <span class="sourceLineNo">1059</span> return (T) ones(itemSize, shape, DTypeUtils.getDType(clazz));<a name="line.1059"></a> |
| <span class="sourceLineNo">1060</span> }<a name="line.1060"></a> |
| <span class="sourceLineNo">1061</span><a name="line.1061"></a> |
| <span class="sourceLineNo">1062</span> /**<a name="line.1062"></a> |
| <span class="sourceLineNo">1063</span> * @param dataset<a name="line.1063"></a> |
| <span class="sourceLineNo">1064</span> * @param clazz dataset class<a name="line.1064"></a> |
| <span class="sourceLineNo">1065</span> * @return a new dataset of given class with same shape as input dataset, filled with ones<a name="line.1065"></a> |
| <span class="sourceLineNo">1066</span> */<a name="line.1066"></a> |
| <span class="sourceLineNo">1067</span> @SuppressWarnings("unchecked")<a name="line.1067"></a> |
| <span class="sourceLineNo">1068</span> public static <T extends Dataset> T ones(Dataset dataset, Class<T> clazz) {<a name="line.1068"></a> |
| <span class="sourceLineNo">1069</span> return (T) ones(dataset, DTypeUtils.getDType(clazz));<a name="line.1069"></a> |
| <span class="sourceLineNo">1070</span> }<a name="line.1070"></a> |
| <span class="sourceLineNo">1071</span>}<a name="line.1071"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
