/* * eGov suite of products aim to improve the internal efficiency,transparency, * accountability and the service delivery of the government organizations. * * Copyright (C) <2015> eGovernments Foundation * * The updated version of eGov suite of products as by eGovernments Foundation * is available at http://www.egovernments.org * * 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 3 of the License, or * 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, see http://www.gnu.org/licenses/ or * http://www.gnu.org/licenses/gpl.html . * * In addition to the terms of the GPL license to be adhered to in using this * program, the following additional terms are to be complied with: * * 1) All versions of this program, verbatim or modified must carry this * Legal Notice. * * 2) Any misrepresentation of the origin of the material is prohibited. It * is required that all modified versions of this material be marked in * reasonable ways as different from the original version. * * 3) This license does not grant any rights to any user of the program * with regards to rights under trademark law for use of the trade names * or trademarks of eGovernments Foundation. * * In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org. */ /* * Created on Jan 13, 2005 * * TODO To change the template for this generated file go to * Window - Preferences - Java - Code Style - Code Templates */ package com.exilant.eGov.src.transactions; import org.apache.log4j.Logger; /** * @author siddhu * * TODO To change the template for this generated type comment go to Window - Preferences - Java - Code Style - Code Templates */ public class ExilPrecision { private static final Logger LOGGER = Logger.getLogger(ExilPrecision.class); public static double convertToDouble(final double dNum, final int precision) { // precision++; if (Double.isNaN(dNum)) return 0; final int afterPoint = (int) Math.pow(10, precision); String fraction = "0."; for (int i = 0; i < precision; i++) fraction += "0"; fraction += "5"; final double adjustFraction = Double.parseDouble(fraction); final double retNum = Math.floor((dNum + adjustFraction) * afterPoint) / afterPoint; return retNum; } public static String convertToString(final double dNum, final int precision) { // precision++; if (Double.isNaN(dNum)) return "0"; final int afterPoint = (int) Math.pow(10, precision); String fraction = "0."; for (int i = 0; i < precision; i++) fraction += "0"; fraction += "5"; final double adjustFraction = Double.parseDouble(fraction); final double retNum = Math.floor((dNum + adjustFraction) * afterPoint) / afterPoint; return String.valueOf(retNum); } public static double convertToDouble(final String sNum, final int precision) { // precision++; double dNum = 0; try { dNum = Double.parseDouble(sNum); } catch (final Exception e) { LOGGER.error("There is error " + e.getMessage()); return 0; } final int afterPoint = (int) Math.pow(10, precision); String fraction = "0."; for (int i = 0; i < precision; i++) fraction += "0"; fraction += "5"; final double adjustFraction = Double.parseDouble(fraction); final double retNum = Math.floor((dNum + adjustFraction) * afterPoint) / afterPoint; return retNum; } public static String convertToString(final String sNum, final int precision) { // precision++; double dNum = 0; try { dNum = Double.parseDouble(sNum); } catch (final Exception e) { LOGGER.error("There is error " + e.getMessage()); return "0"; } final int afterPoint = (int) Math.pow(10, precision); String fraction = "0."; for (int i = 0; i < precision; i++) fraction += "0"; fraction += "5"; final double adjustFraction = Double.parseDouble(fraction); final double retNum = Math.floor((dNum + adjustFraction) * afterPoint) / afterPoint; return String.valueOf(retNum); } public static void main(final String[] args) { if (LOGGER.isDebugEnabled()) LOGGER.debug(ExilPrecision.convertToString("18.245287987", 2)); } }