Here you can find the source of convertIntToDouble(final int[] intValues)
public static double[] convertIntToDouble(final int[] intValues)
//package com.java2s; /******************************************************************************* * Copyright (C) 2005, 2016 Wolfgang Schramm and Contributors * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free Software * Foundation version 2 of the License./* w w w.java 2 s. com*/ * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA *******************************************************************************/ public class Main { public static double[] convertIntToDouble(final int[] intValues) { if (intValues == null) { return null; } if (intValues.length == 0) { return new double[0]; } final double[] doubleValues = new double[intValues.length]; for (int valueIndex = 0; valueIndex < intValues.length; valueIndex++) { doubleValues[valueIndex] = intValues[valueIndex]; } return doubleValues; } }