Java Float to floatToSemiPrecision(float f, byte abyte0[], int i)

Description

float To Semi Precision

License

Open Source License

Declaration

public static final void floatToSemiPrecision(float f, byte abyte0[],
            int i) 

Method Source Code

//package com.java2s;
/**//from  ww  w.  ja  v a  2  s.co  m
 * This file is part of JEMMA - http://jemma.energy-home.org
 * (C) Copyright 2013 Telecom Italia (http://www.telecomitalia.it)
 *
 * JEMMA is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License (LGPL) version 3
 * or later as published by the Free Software Foundation, which accompanies
 * this distribution and is available at http://www.gnu.org/licenses/lgpl.html
 *
 * JEMMA 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 Lesser General Public License (LGPL) for more details.
 *
 */

public class Main {
    public static final void floatToSemiPrecision(float f, byte abyte0[],
            int i) {
        int j = Float.floatToIntBits(f);
        int k = j >> 23;
        k &= 0xff;
        int l = j << 9;
        l >>>= 9;
        int i1 = l >> 13;
        int j1 = (j >>> 31) << 15;
        int k1;
        if (k == 255) {
            k1 = 31744;
            k1 |= j1;
        } else if (k == 0) {
            k1 = j1 | i1;
        } else {
            int l1 = k - 112;
            l1 <<= 10;
            k1 = j1 | l1 | i1;
        }
        _16BitsToLittleEndian(k1, abyte0, i);
    }

    public static final void _16BitsToLittleEndian(int i, byte abyte0[],
            int j) {
        abyte0[j] = (byte) (0xff & i >>> 0);
        abyte0[j + 1] = (byte) (0xff & i >>> 8);
    }
}

Related

1. FloatToInt(double x)
2. floatToIntColor(float value)
3. floatToPrefixCoded(float val)
4. floatToRegisters(float f)
5. floatToS390IntBits(float ieeeFloat)
6. floatToSortableInt(float val)
7. floatToSortableInt(float value)
8. floatToTime(float aTimeDuration)
9. single2short(float f)