Here you can find the source of floor(double value, int decimal)
Parameter | Description |
---|---|
value | The value to round. |
decimal | The number of figures after decimal point. |
public static double floor(double value, int decimal)
//package com.java2s; /*// w ww . j a v a 2 s. c o m * org.openmicroscopy.shoola.util.ui.UIUtilities * *------------------------------------------------------------------------------ * Copyright (C) 2006-2015 University of Dundee. All rights reserved. * * * 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; either version 2 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 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 Street, Fifth Floor, Boston, MA 02110-1301 USA. * *------------------------------------------------------------------------------ */ public class Main { /** * Rounds the passed value to the specified number of decimals. * * @param value The value to round. * @param decimal The number of figures after decimal point. * @return The rounded value. */ public static double floor(double value, int decimal) { if (decimal <= 0) return value; double p = Math.pow(10, decimal); value = value * p; return Math.floor(value) / p; } }