Java Float Number Format formatFloat(double num)

Description

format Float

License

Open Source License

Declaration

public static String formatFloat(double num) 

Method Source Code

//package com.java2s;
/*//from  w w w. j a va  2s .co  m
 * File: SCD_LogUtils.java 
 *
 * Copyright (C) 2002-2006, Peter Peterson, Ruth Mikkelson
 *
 * 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
 *
 * Contact : Peter F. Peterson <pfpeterson@anl.gov>
 *           Intense Pulsed Neutron Source Division
 *           Argonne National Laboratory
 *           9700 South Cass Avenue, Bldg 360
 *           Argonne, IL 60439-4845, USA
 *
 * This work was supported by the Intense Pulsed Neutron Source Division
 * of Argonne National Laboratory, Argonne, IL 60439-4845, USA.
 * Some of this work was supported by the National Science Foundation under
 * grant number DMR-0218882
 * For further information, see <http://www.pns.anl.gov/ISAW/>
 *
 * $Log$
 * Revision 1.2  2008/01/29 19:45:49  rmikk
 * Replaced Peak by IPeak
 *
 * Revision 1.1  2006/12/19 05:16:28  dennis
 * Collection of static methods used by the various versions of the
 * SCD integrate operators.  These particular methods were factored
 * out of the Integrate_new class.
 *
 *
 */

public class Main {
    public static String formatFloat(double num) {
        StringBuffer text = new StringBuffer(Double.toString(num));
        int index = text.toString().indexOf(".");
        if (index < 0) {
            text.append(".");
            index = text.toString().indexOf(".");
        }
        text.append("00");
        text.delete(index + 3, text.length());

        while (text.length() < 7)
            text.insert(0, " ");

        return text.toString();
    }
}

Related

1. formatFloat(double number, int precision)
2. formatFloat(double value, int decimals)
3. formatFloat(float f)
4. formatFloat(float input, int numDecimals)