Here you can find the source of roundToDecimals(double d, int c)
Parameter | Description |
---|---|
d | double to be rounded |
c | digits after comma |
public static double roundToDecimals(double d, int c)
//package com.java2s; /*// w w w. j a va 2 s . co m * StuReSy - Student Response System * Copyright (C) 2012-2014 StuReSy-Team * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { /** * Rounds the given double to the given number of decimals * * @param d * double to be rounded * @param c * digits after comma * @return */ public static double roundToDecimals(double d, int c) { int temp = (int) ((d * Math.pow(10, c))); return (((double) temp) / Math.pow(10, c)); } }