Here you can find the source of abs(float[] items)
public static float[] abs(float[] items)
//package com.java2s; /** Copyright 2014 Robin Stumm (serverkorken@gmail.com, http://dermetfan.net) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { /** @return the given values with each element being the {@link Math#abs(float) absolute} of its value */ public static float[] abs(float[] items, int offset, int length) { for (int i = offset; i < offset + length; i++) items[i] = Math.abs(items[i]); return items; }//w w w. j a v a2 s . c o m /** @see #abs(float[], int, int) */ public static float[] abs(float[] items) { return abs(items, 0, items.length); } }