Here you can find the source of roundSimpleNumberUnits(final long graphDefaultUnit)
public static int roundSimpleNumberUnits(final long graphDefaultUnit)
//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./*from w w w . j ava2s.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 int roundSimpleNumberUnits(final long graphDefaultUnit) { float unit = graphDefaultUnit; int multiplier = 1; while (unit > 20) { multiplier *= 10; unit /= 10; } unit = // // unit >= 10 ? 10 : // unit >= 5 ? 5 : // unit >= 2 ? 2 : // 1; unit *= multiplier; return (int) unit; } }