Here you can find the source of epsilon(double v)
static double epsilon(double v)
//package com.java2s; /*/*from w w w .j a v a 2 s .co m*/ * #%L * Cytoscape Ding View/Presentation Impl (ding-presentation-impl) * $Id:$ * $HeadURL:$ * %% * Copyright (C) 2006 - 2013 The Cytoscape Consortium * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 2.1 of the * License, or (at your option) any later version. * * 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 Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * <http://www.gnu.org/licenses/lgpl-2.1.html>. * #L% */ public class Main { static double epsilon(double v) { if (Math.abs(v) < 1.0E-10) return 0.0; return v; } }